Added table utilities.

Refactoring and bug fixing.

12 files changed, 984 insertions, 1099 deletions

diff --git a/src/Context.php b/src/Context.php
index b04adc1..eed10d3 100644
--- a/src/Context.php
+++ b/src/Context.php
@@ -3,7 +3,7 @@
 namespace SqlParser;
 
 /**
- * Default MySQL context (based on MySQL 5.7).
+ * Default MySQL context.
  *
  * @category Contexts
  * @package  SqlParser
@@ -72,225 +72,7 @@ abstract class Context
      *
      * @var array
      */
-    public static $KEYWORDS = array(
-        'AS' => 1, 'BY' => 1, 'IF' => 1, 'IN' => 1, 'IS' => 1,
-        'ON' => 1, 'OR' => 1, 'TO' => 1,
-        'ADD' => 1, 'ALL' => 1, 'AND' => 1, 'ASC' => 1, 'DEC' => 1,
-        'DIV' => 1, 'FOR' => 1, 'GET' => 1, 'INT' => 1, 'KEY' => 1,
-        'MOD' => 1, 'NOT' => 1, 'OUT' => 1, 'SET' => 1, 'SQL' => 1,
-        'SSL' => 1, 'USE' => 1, 'XOR' => 1,
-        'BLOB' => 1, 'BOTH' => 1, 'CALL' => 1, 'CASE' => 1,
-        'CHAR' => 1, 'DESC' => 1, 'DROP' => 1, 'DUAL' => 1,
-        'EACH' => 1, 'ELSE' => 1, 'EXIT' => 1, 'FROM' => 1,
-        'INT1' => 1, 'INT2' => 1, 'INT3' => 1, 'INT4' => 1,
-        'INT8' => 1, 'INTO' => 1, 'JOIN' => 1, 'KEYS' => 1,
-        'KILL' => 1, 'LEFT' => 1, 'LIKE' => 1, 'LOAD' => 1,
-        'LOCK' => 1, 'LONG' => 1, 'LOOP' => 1, 'NULL' => 1,
-        'READ' => 1, 'REAL' => 1, 'SHOW' => 1, 'THEN' => 1,
-        'TRUE' => 1, 'UNDO' => 1, 'WHEN' => 1, 'WITH' => 1,
-        'ALTER' => 1, 'CHECK' => 1, 'CROSS' => 1, 'FALSE' => 1,
-        'FETCH' => 1, 'FLOAT' => 1, 'FORCE' => 1, 'GRANT' => 1,
-        'GROUP' => 1, 'INDEX' => 1, 'INNER' => 1, 'INOUT' => 1,
-        'LEAVE' => 1, 'LIMIT' => 1, 'LINES' => 1, 'MATCH' => 1,
-        'ORDER' => 1, 'OUTER' => 1, 'PURGE' => 1, 'RANGE' => 1,
-        'READS' => 1, 'RIGHT' => 1, 'RLIKE' => 1, 'TABLE' => 1,
-        'UNION' => 1, 'USAGE' => 1, 'USING' => 1, 'WHERE' => 1,
-        'WHILE' => 1, 'WRITE' => 1,
-        'BEFORE' => 1, 'BIGINT' => 1, 'BINARY' => 1, 'CHANGE' => 1,
-        'COLUMN' => 1, 'CREATE' => 1, 'CURSOR' => 1, 'DELETE' => 1,
-        'DOUBLE' => 1, 'ELSEIF' => 1, 'EXISTS' => 1, 'FLOAT4' => 1,
-        'FLOAT8' => 1, 'HAVING' => 1, 'IGNORE' => 1, 'INFILE' => 1,
-        'INSERT' => 1, 'LINEAR' => 1, 'OPTION' => 1, 'REGEXP' => 1,
-        'RENAME' => 1, 'REPEAT' => 1, 'RETURN' => 1, 'REVOKE' => 1,
-        'SCHEMA' => 1, 'SELECT' => 1, 'SIGNAL' => 1, 'STORED' => 1,
-        'UNIQUE' => 1, 'UNLOCK' => 1, 'UPDATE' => 1, 'VALUES' => 1,
-        'ANALYZE' => 1, 'BETWEEN' => 1, 'CASCADE' => 1, 'COLLATE' => 1,
-        'CONVERT' => 1, 'DECIMAL' => 1, 'DECLARE' => 1, 'DEFAULT' => 1,
-        'DELAYED' => 1, 'ESCAPED' => 1, 'EXPLAIN' => 1, 'FOREIGN' => 1,
-        'INTEGER' => 1, 'ITERATE' => 1, 'LEADING' => 1, 'NATURAL' => 1,
-        'NUMERIC' => 1, 'OUTFILE' => 1, 'PRIMARY' => 1, 'RELEASE' => 1,
-        'REPLACE' => 1, 'REQUIRE' => 1, 'SCHEMAS' => 1, 'SPATIAL' => 1,
-        'TINYINT' => 1, 'TRIGGER' => 1, 'VARCHAR' => 1, 'VARYING' => 1,
-        'VIRTUAL' => 1,
-        'CONTINUE' => 1, 'DATABASE' => 1, 'DAY_HOUR' => 1,
-        'DESCRIBE' => 1, 'DISTINCT' => 1, 'ENCLOSED' => 1,
-        'FULLTEXT' => 1, 'INTERVAL' => 1, 'LONGBLOB' => 1,
-        'LONGTEXT' => 1, 'MAXVALUE' => 1, 'MODIFIES' => 1,
-        'OPTIMIZE' => 1, 'RESIGNAL' => 1, 'RESTRICT' => 1,
-        'SMALLINT' => 1, 'SPECIFIC' => 1, 'SQLSTATE' => 1,
-        'STARTING' => 1, 'TINYBLOB' => 1, 'TINYTEXT' => 1,
-        'TRAILING' => 1, 'UNSIGNED' => 1, 'UTC_DATE' => 1,
-        'UTC_TIME' => 1, 'ZEROFILL' => 1,
-        'CHARACTER' => 1, 'CONDITION' => 1, 'DATABASES' => 1,
-        'GENERATED' => 1, 'LOCALTIME' => 1, 'MEDIUMINT' => 1,
-        'MIDDLEINT' => 1, 'PARTITION' => 1, 'PRECISION' => 1,
-        'PROCEDURE' => 1, 'SENSITIVE' => 1, 'SEPARATOR' => 1,
-        'VARBINARY' => 1,
-        'ACCESSIBLE' => 1, 'ASENSITIVE' => 1, 'CONSTRAINT' => 1,
-        'DAY_MINUTE' => 1, 'DAY_SECOND' => 1, 'MEDIUMBLOB' => 1,
-        'MEDIUMTEXT' => 1, 'OPTIONALLY' => 1, 'READ_WRITE' => 1,
-        'REFERENCES' => 1, 'SQLWARNING' => 1, 'TERMINATED' => 1,
-        'YEAR_MONTH' => 1,
-        'DISTINCTROW' => 1, 'HOUR_MINUTE' => 1, 'HOUR_SECOND' => 1,
-        'INSENSITIVE' => 1, 'MASTER_BIND' => 1,
-        'CURRENT_DATE' => 1, 'CURRENT_TIME' => 1, 'CURRENT_USER' => 1,
-        'LOW_PRIORITY' => 1, 'SQLEXCEPTION' => 1, 'VARCHARACTER' => 1,
-        'DETERMINISTIC' => 1, 'HIGH_PRIORITY' => 1, 'MINUTE_SECOND' => 1,
-        'STRAIGHT_JOIN' => 1, 'UTC_TIMESTAMP' => 1,
-        'IO_AFTER_GTIDS' => 1, 'LOCALTIMESTAMP' => 1, 'SQL_BIG_RESULT' => 1,
-        'DAY_MICROSECOND' => 1, 'IO_BEFORE_GTIDS' => 1, 'OPTIMIZER_COSTS' => 1,
-        'HOUR_MICROSECOND' => 1, 'SQL_SMALL_RESULT' => 1,
-        'CURRENT_TIMESTAMP' => 1,
-        'MINUTE_MICROSECOND' => 1, 'NO_WRITE_TO_BINLOG' => 1,
-        'SECOND_MICROSECOND' => 1,
-        'SQL_CALC_FOUND_ROWS' => 1,
-        'MASTER_SSL_VERIFY_SERVER_CERT' => 1,
-
-        'AT' => 2, 'DO' => 2, 'IO' => 2, 'NO' => 2, 'XA' => 2,
-        'ANY' => 2, 'AVG' => 2, 'BIT' => 2, 'CPU' => 2, 'DAY' => 2, 'END' => 2,
-        'IPC' => 2, 'NDB' => 2, 'NEW' => 2, 'ONE' => 2, 'ROW' => 2, 'XID' => 2,
-        'XML' => 2,
-        'BOOL' => 2, 'BYTE' => 2, 'CODE' => 2, 'CUBE' => 2, 'DATA' => 2, 'DATE' => 2,
-        'DISK' => 2, 'ENDS' => 2, 'ENUM' => 2, 'FAST' => 2, 'FILE' => 2, 'FULL' => 2,
-        'HASH' => 2, 'HELP' => 2, 'HOST' => 2, 'HOUR' => 2, 'LAST' => 2, 'LESS' => 2,
-        'LIST' => 2, 'LOGS' => 2, 'MODE' => 2, 'NAME' => 2, 'NEXT' => 2, 'NONE' => 2,
-        'ONLY' => 2, 'OPEN' => 2, 'PAGE' => 2, 'PORT' => 2, 'PREV' => 2, 'ROWS' => 2,
-        'SLOW' => 2, 'SOME' => 2, 'STOP' => 2, 'TEXT' => 2, 'THAN' => 2, 'TIME' => 2,
-        'TYPE' => 2, 'USER' => 2, 'VIEW' => 2, 'WAIT' => 2, 'WEEK' => 2, 'WORK' => 2,
-        'X509' => 2, 'YEAR' => 2,
-        'AFTER' => 2, 'ASCII' => 2, 'BEGIN' => 2, 'BLOCK' => 2, 'BTREE' => 2,
-        'CACHE' => 2, 'CHAIN' => 2, 'CLOSE' => 2, 'ERROR' => 2, 'EVENT' => 2,
-        'EVERY' => 2, 'FIRST' => 2, 'FIXED' => 2, 'FLUSH' => 2, 'FOUND' => 2,
-        'HOSTS' => 2, 'LEVEL' => 2, 'LOCAL' => 2, 'LOCKS' => 2, 'MERGE' => 2,
-        'MONTH' => 2, 'MUTEX' => 2, 'NAMES' => 2, 'NCHAR' => 2, 'NEVER' => 2,
-        'OWNER' => 2, 'PHASE' => 2, 'POINT' => 2, 'PROXY' => 2, 'QUERY' => 2,
-        'QUICK' => 2, 'RELAY' => 2, 'RESET' => 2, 'RTREE' => 2, 'SHARE' => 2,
-        'SLAVE' => 2, 'START' => 2, 'SUPER' => 2, 'SWAPS' => 2, 'TYPES' => 2,
-        'UNTIL' => 2, 'VALUE' => 2,
-        'ACTION' => 2, 'ALWAYS' => 2, 'BACKUP' => 2, 'BINLOG' => 2, 'CIPHER' => 2,
-        'CLIENT' => 2, 'COMMIT' => 2, 'ENABLE' => 2, 'ENGINE' => 2, 'ERRORS' => 2,
-        'ESCAPE' => 2, 'EVENTS' => 2, 'EXPIRE' => 2, 'EXPORT' => 2, 'FAULTS' => 2,
-        'FIELDS' => 2, 'FILTER' => 2, 'FORMAT' => 2, 'GLOBAL' => 2, 'GRANTS' => 2,
-        'IMPORT' => 2, 'ISSUER' => 2, 'LEAVES' => 2, 'MASTER' => 2, 'MEDIUM' => 2,
-        'MEMORY' => 2, 'MINUTE' => 2, 'MODIFY' => 2, 'NUMBER' => 2, 'OFFSET' => 2,
-        'PARSER' => 2, 'PLUGIN' => 2, 'RELOAD' => 2, 'REMOVE' => 2, 'REPAIR' => 2,
-        'RESUME' => 2, 'ROLLUP' => 2, 'SECOND' => 2, 'SERIAL' => 2, 'SERVER' => 2,
-        'SIGNED' => 2, 'SIMPLE' => 2, 'SOCKET' => 2, 'SONAME' => 2, 'SOUNDS' => 2,
-        'SOURCE' => 2, 'STARTS' => 2, 'STATUS' => 2, 'STRING' => 2, 'TABLES' => 2,
-        'ACCOUNT' => 2, 'AGAINST' => 2, 'ANALYSE' => 2, 'BOOLEAN' => 2, 'CHANGED' => 2,
-        'CHANNEL' => 2, 'CHARSET' => 2, 'COLUMNS' => 2, 'COMMENT' => 2, 'COMPACT' => 2,
-        'CONTEXT' => 2, 'CURRENT' => 2, 'DEFINER' => 2, 'DISABLE' => 2, 'DISCARD' => 2,
-        'DYNAMIC' => 2, 'ENGINES' => 2, 'EXECUTE' => 2, 'FOLLOWS' => 2, 'GENERAL' => 2,
-        'HANDLER' => 2, 'INDEXES' => 2, 'INSTALL' => 2, 'INVOKER' => 2, 'LOGFILE' => 2,
-        'MIGRATE' => 2, 'NO_WAIT' => 2, 'OPTIONS' => 2, 'PARTIAL' => 2, 'PLUGINS' => 2,
-        'POLYGON' => 2, 'PREPARE' => 2, 'PROFILE' => 2, 'QUARTER' => 2, 'REBUILD' => 2,
-        'RECOVER' => 2, 'RESTORE' => 2, 'RETURNS' => 2, 'REVERSE' => 2, 'ROUTINE' => 2,
-        'SESSION' => 2, 'STACKED' => 2, 'STORAGE' => 2, 'SUBJECT' => 2, 'SUSPEND' => 2,
-        'UNICODE' => 2, 'UNKNOWN' => 2, 'UPGRADE' => 2, 'USE_FRM' => 2, 'WITHOUT' => 2,
-        'WRAPPER' => 2,
-        'CASCADED' => 2, 'CHECKSUM' => 2, 'COALESCE' => 2, 'CONTAINS' => 2,
-        'DATAFILE' => 2, 'DATETIME' => 2, 'DUMPFILE' => 2, 'EXCHANGE' => 2,
-        'EXTENDED' => 2, 'FUNCTION' => 2, 'GEOMETRY' => 2, 'LANGUAGE' => 2,
-        'MAX_ROWS' => 2, 'MAX_SIZE' => 2, 'MIN_ROWS' => 2, 'NATIONAL' => 2,
-        'NVARCHAR' => 2, 'PASSWORD' => 2, 'PRECEDES' => 2, 'PRESERVE' => 2,
-        'PROFILES' => 2, 'REDOFILE' => 2, 'RELAYLOG' => 2, 'ROLLBACK' => 2,
-        'SCHEDULE' => 2, 'SECURITY' => 2, 'SHUTDOWN' => 2, 'SNAPSHOT' => 2,
-        'SWITCHES' => 2, 'TRIGGERS' => 2, 'TRUNCATE' => 2, 'UNDOFILE' => 2,
-        'WARNINGS' => 2,
-        'AGGREGATE' => 2, 'ALGORITHM' => 2, 'COLLATION' => 2, 'COMMITTED' => 2,
-        'DIRECTORY' => 2, 'DUPLICATE' => 2, 'EXPANSION' => 2, 'IO_THREAD' => 2,
-        'ISOLATION' => 2, 'NODEGROUP' => 2, 'PACK_KEYS' => 2, 'READ_ONLY' => 2,
-        'REDUNDANT' => 2, 'ROW_COUNT' => 2, 'SAVEPOINT' => 2, 'SQL_CACHE' => 2,
-        'TEMPORARY' => 2, 'TEMPTABLE' => 2, 'TIMESTAMP' => 2, 'UNDEFINED' => 2,
-        'UNINSTALL' => 2, 'VARIABLES' => 2,
-        'COMPLETION' => 2, 'COMPRESSED' => 2, 'CONCURRENT' => 2, 'CONNECTION' => 2,
-        'CONSISTENT' => 2, 'DEALLOCATE' => 2, 'GET_FORMAT' => 2, 'IDENTIFIED' => 2,
-        'LINESTRING' => 2, 'MASTER_SSL' => 2, 'MULTIPOINT' => 2, 'NDBCLUSTER' => 2,
-        'PARTITIONS' => 2, 'PLUGIN_DIR' => 2, 'PRIVILEGES' => 2, 'REORGANIZE' => 2,
-        'REPEATABLE' => 2, 'ROW_FORMAT' => 2, 'SQL_THREAD' => 2, 'TABLESPACE' => 2,
-        'TABLE_NAME' => 2, 'VALIDATION' => 2,
-        'COLUMN_NAME' => 2, 'COMPRESSION' => 2, 'CURSOR_NAME' => 2, 'DIAGNOSTICS' => 2,
-        'EXTENT_SIZE' => 2, 'MASTER_HOST' => 2, 'MASTER_PORT' => 2, 'MASTER_USER' => 2,
-        'MICROSECOND' => 2, 'MYSQL_ERRNO' => 2, 'NONBLOCKING' => 2, 'PROCESSLIST' => 2,
-        'REPLICATION' => 2, 'SCHEMA_NAME' => 2, 'SQL_TSI_DAY' => 2, 'TRANSACTION' => 2,
-        'UNCOMMITTED' => 2,
-        'CATALOG_NAME' => 2, 'CLASS_ORIGIN' => 2, 'DEFAULT_AUTH' => 2,
-        'DES_KEY_FILE' => 2, 'INITIAL_SIZE' => 2, 'MASTER_DELAY' => 2,
-        'MESSAGE_TEXT' => 2, 'MULTIPOLYGON' => 2, 'OLD_PASSWORD' => 2,
-        'PARTITIONING' => 2, 'RELAY_THREAD' => 2, 'SERIALIZABLE' => 2,
-        'SQL_NO_CACHE' => 2, 'SQL_TSI_HOUR' => 2, 'SQL_TSI_WEEK' => 2,
-        'SQL_TSI_YEAR' => 2, 'SUBPARTITION' => 2, 'TIMESTAMPADD' => 2,
-        'COLUMN_FORMAT' => 2, 'INSERT_METHOD' => 2, 'MASTER_SSL_CA' => 2,
-        'RELAY_LOG_POS' => 2, 'SQL_TSI_MONTH' => 2, 'SUBPARTITIONS' => 2,
-        'TIMESTAMPDIFF' => 2, 'WEIGHT_STRING' => 2,
-        'AUTO_INCREMENT' => 2, 'AVG_ROW_LENGTH' => 2, 'KEY_BLOCK_SIZE' => 2,
-        'MASTER_LOG_POS' => 2, 'MASTER_SSL_CRL' => 2, 'MASTER_SSL_KEY' => 2,
-        'RELAY_LOG_FILE' => 2, 'SQL_TSI_MINUTE' => 2, 'SQL_TSI_SECOND' => 2,
-        'TABLE_CHECKSUM' => 2, 'USER_RESOURCES' => 2,
-        'AUTOEXTEND_SIZE' => 2, 'CONSTRAINT_NAME' => 2, 'DELAY_KEY_WRITE' => 2,
-        'FILE_BLOCK_SIZE' => 2, 'MASTER_LOG_FILE' => 2, 'MASTER_PASSWORD' => 2,
-        'MASTER_SSL_CERT' => 2, 'MULTILINESTRING' => 2, 'PARSE_GCOL_EXPR' => 2,
-        'REPLICATE_DO_DB' => 2, 'SQL_AFTER_GTIDS' => 2, 'SQL_TSI_QUARTER' => 2,
-        'SUBCLASS_ORIGIN' => 2,
-        'MASTER_SERVER_ID' => 2, 'REDO_BUFFER_SIZE' => 2, 'SQL_BEFORE_GTIDS' => 2,
-        'STATS_PERSISTENT' => 2, 'UNDO_BUFFER_SIZE' => 2,
-        'CONSTRAINT_SCHEMA' => 2, 'GROUP_REPLICATION' => 2, 'IGNORE_SERVER_IDS' => 2,
-        'MASTER_SSL_CAPATH' => 2, 'MASTER_SSL_CIPHER' => 2, 'RETURNED_SQLSTATE' => 2,
-        'SQL_BUFFER_RESULT' => 2, 'STATS_AUTO_RECALC' => 2,
-        'CONSTRAINT_CATALOG' => 2, 'GEOMETRYCOLLECTION' => 2, 'MASTER_RETRY_COUNT' => 2,
-        'MASTER_SSL_CRLPATH' => 2, 'MAX_STATEMENT_TIME' => 2, 'REPLICATE_DO_TABLE' => 2,
-        'SQL_AFTER_MTS_GAPS' => 2, 'STATS_SAMPLE_PAGES' => 2,
-        'REPLICATE_IGNORE_DB' => 2,
-        'MASTER_AUTO_POSITION' => 2, 'MASTER_CONNECT_RETRY' => 2,
-        'MAX_QUERIES_PER_HOUR' => 2, 'MAX_UPDATES_PER_HOUR' => 2,
-        'MAX_USER_CONNECTIONS' => 2, 'REPLICATE_REWRITE_DB' => 2,
-        'REPLICATE_IGNORE_TABLE' => 2,
-        'MASTER_HEARTBEAT_PERIOD' => 2, 'REPLICATE_WILD_DO_TABLE' => 2,
-        'MAX_CONNECTIONS_PER_HOUR' => 2,
-        'REPLICATE_WILD_IGNORE_TABLE' => 2,
-
-        'NOT NULL' => 4,
-        'INDEX KEY' => 4,
-        'UNIQUE KEY' => 4,
-        'FOREIGN KEY' => 4, 'PRIMARY KEY' => 4, 'PRIMARY KEY' => 4, 'SPATIAL KEY' => 4,
-        'FULLTEXT KEY' => 4, 'UNIQUE INDEX' => 4,
-        'CHARACTER SET' => 4, 'IF NOT EXISTS' => 4, 'SPATIAL INDEX' => 4,
-        'DATA DIRECTORY' => 4, 'FULLTEXT INDEX' => 4,
-        'DEFAULT COLLATE' => 4, 'INDEX DIRECTORY' => 4,
-        'DEFAULT CHARACTER SET' => 4,
-    );
-
-    // -------------------------------------------------------------------------
-    // Keys and Data Types.
-
-    /**
-     * Types of keys.
-     *
-     * @var array
-     */
-    public static $KEY_TYPES = array(
-        'FOREIGN KEY' => 1, 'FULLTEXT INDEX' => 1, 'FULLTEXT KEY' => 1,
-        'INDEX KEY' => 1, 'INDEX' => 1, 'KEY' => 1, 'PRIMARY KEY' => 1,
-        'SPATIAL INDEX' => 1, 'SPATIAL KEY' => 1, 'UNIQUE INDEX' => 1,
-        'UNIQUE KEY' => 1, 'UNIQUE' => 1,
-    );
-
-    /**
-     * All data types.
-     *
-     * @var array
-     */
-    public static $DATA_TYPES = array(
-        'ARRAY' => 1, 'BIGINT' => 1, 'BINARY' => 1, 'BINARY VARYING' => 1,
-        'BLOB' => 1, 'BOOLEAN' => 1, 'CHAR' => 1, 'CHARACTER' => 1, 'DATE' => 1,
-        'DATETIME' => 1, 'DECIMAL' => 1, 'DOUBLE' => 1, 'ENUM' => 1,
-        'FLOAT' => 1, 'INT' => 1, 'INTEGER' => 1, 'INTERVAL' => 1,
-        'LONGBLOB' => 1, 'LONGTEXT' => 1, 'MEDIUMBLOB' => 1, 'MEDIUMINT' => 1,
-        'MEDIUMTEXT' => 1, 'MULTISET' => 1, 'NUMERIC' => 1, 'REAL' => 1,
-        'SET' => 1, 'SMALLINT' => 1, 'TEXT' => 1, 'TIME' => 1, 'TIMESTAMP' => 1,
-        'TINYBLOB' => 1, 'TINYINT' => 1, 'TINYTEXT' => 1, 'VARBINARY' => 1,
-        'VARCHAR' => 1, 'XML' => 1, 'YEAR' => 1
-    );
+    public static $KEYWORDS = array();
 
     // -------------------------------------------------------------------------
     // Operators.
@@ -635,3 +417,6 @@ abstract class Context
         self::$KEYWORDS = $context::$KEYWORDS;
     }
 }
+
+// Initializng the default context.
+Context::load();
diff --git a/src/Contexts/ContextMySql50000.php b/src/Contexts/ContextMySql50000.php
index e54373d..fa7ab1d 100644
--- a/src/Contexts/ContextMySql50000.php
+++ b/src/Contexts/ContextMySql50000.php
@@ -5,7 +5,7 @@ namespace SqlParser\Contexts;
 use SqlParser\Context;
 
 /**
- * Context for MySQL 5.0.
+ * Context for MySQL 5.
  *
  * @category   Contexts
  * @package    SqlParser
@@ -18,155 +18,161 @@ class ContextMySql50000 extends Context
 
     public static $KEYWORDS = array(
 
-        'AS' => 1, 'BY' => 1, 'IF' => 1, 'IN' => 1, 'IS' => 1,
-        'ON' => 1, 'OR' => 1, 'TO' => 1,
-        'ADD' => 1, 'ALL' => 1, 'AND' => 1, 'ASC' => 1, 'DEC' => 1,
-        'DIV' => 1, 'FOR' => 1, 'INT' => 1, 'KEY' => 1, 'MOD' => 1,
-        'NOT' => 1, 'OUT' => 1, 'SET' => 1, 'SQL' => 1, 'SSL' => 1,
-        'USE' => 1, 'XOR' => 1,
-        'BLOB' => 1, 'BOTH' => 1, 'CALL' => 1, 'CASE' => 1,
-        'CHAR' => 1, 'DESC' => 1, 'DROP' => 1, 'DUAL' => 1,
-        'EACH' => 1, 'ELSE' => 1, 'EXIT' => 1, 'FROM' => 1,
-        'INT1' => 1, 'INT2' => 1, 'INT3' => 1, 'INT4' => 1,
-        'INT8' => 1, 'INTO' => 1, 'JOIN' => 1, 'KEYS' => 1,
-        'KILL' => 1, 'LEFT' => 1, 'LIKE' => 1, 'LOAD' => 1,
-        'LOCK' => 1, 'LONG' => 1, 'LOOP' => 1, 'NULL' => 1,
-        'READ' => 1, 'REAL' => 1, 'SHOW' => 1, 'THEN' => 1,
-        'TRUE' => 1, 'UNDO' => 1, 'WHEN' => 1, 'WITH' => 1,
-        'ALTER' => 1, 'CHECK' => 1, 'CROSS' => 1, 'FALSE' => 1,
-        'FETCH' => 1, 'FLOAT' => 1, 'FORCE' => 1, 'GRANT' => 1,
-        'GROUP' => 1, 'INDEX' => 1, 'INNER' => 1, 'INOUT' => 1,
-        'LEAVE' => 1, 'LIMIT' => 1, 'LINES' => 1, 'MATCH' => 1,
-        'ORDER' => 1, 'OUTER' => 1, 'PURGE' => 1, 'READS' => 1,
-        'RIGHT' => 1, 'RLIKE' => 1, 'TABLE' => 1, 'UNION' => 1,
-        'USAGE' => 1, 'USING' => 1, 'WHERE' => 1, 'WHILE' => 1,
-        'WRITE' => 1,
-        'BEFORE' => 1, 'BIGINT' => 1, 'BINARY' => 1, 'CHANGE' => 1,
-        'COLUMN' => 1, 'CREATE' => 1, 'CURSOR' => 1, 'DELETE' => 1,
-        'DOUBLE' => 1, 'ELSEIF' => 1, 'EXISTS' => 1, 'FLOAT4' => 1,
-        'FLOAT8' => 1, 'HAVING' => 1, 'IGNORE' => 1, 'INFILE' => 1,
-        'INSERT' => 1, 'OPTION' => 1, 'REGEXP' => 1, 'RENAME' => 1,
-        'REPEAT' => 1, 'RETURN' => 1, 'REVOKE' => 1, 'SCHEMA' => 1,
-        'SELECT' => 1, 'SONAME' => 1, 'UNIQUE' => 1, 'UNLOCK' => 1,
-        'UPDATE' => 1, 'VALUES' => 1,
-        'ANALYZE' => 1, 'BETWEEN' => 1, 'CASCADE' => 1, 'COLLATE' => 1,
-        'CONVERT' => 1, 'DECIMAL' => 1, 'DECLARE' => 1, 'DEFAULT' => 1,
-        'DELAYED' => 1, 'ESCAPED' => 1, 'EXPLAIN' => 1, 'FOREIGN' => 1,
-        'INTEGER' => 1, 'ITERATE' => 1, 'LEADING' => 1, 'NATURAL' => 1,
-        'NUMERIC' => 1, 'OUTFILE' => 1, 'PRIMARY' => 1, 'RELEASE' => 1,
-        'REPLACE' => 1, 'REQUIRE' => 1, 'SCHEMAS' => 1, 'SPATIAL' => 1,
-        'TINYINT' => 1, 'TRIGGER' => 1, 'VARCHAR' => 1, 'VARYING' => 1,
-        'CONTINUE' => 1, 'DATABASE' => 1, 'DAY_HOUR' => 1,
-        'DESCRIBE' => 1, 'DISTINCT' => 1, 'ENCLOSED' => 1,
-        'FULLTEXT' => 1, 'INTERVAL' => 1, 'LONGBLOB' => 1,
-        'LONGTEXT' => 1, 'MODIFIES' => 1, 'OPTIMIZE' => 1,
-        'RESTRICT' => 1, 'SMALLINT' => 1, 'SPECIFIC' => 1,
-        'SQLSTATE' => 1, 'STARTING' => 1, 'TINYBLOB' => 1,
-        'TINYTEXT' => 1, 'TRAILING' => 1, 'UNSIGNED' => 1,
-        'UTC_DATE' => 1, 'UTC_TIME' => 1, 'ZEROFILL' => 1,
-        'CHARACTER' => 1, 'CONDITION' => 1, 'DATABASES' => 1,
-        'LOCALTIME' => 1, 'MEDIUMINT' => 1, 'MIDDLEINT' => 1,
-        'PRECISION' => 1, 'PROCEDURE' => 1, 'SENSITIVE' => 1,
-        'SEPARATOR' => 1, 'VARBINARY' => 1,
-        'ASENSITIVE' => 1, 'CONSTRAINT' => 1, 'DAY_MINUTE' => 1,
-        'DAY_SECOND' => 1, 'MEDIUMBLOB' => 1, 'MEDIUMTEXT' => 1,
-        'OPTIONALLY' => 1, 'REFERENCES' => 1, 'SQLWARNING' => 1,
-        'TERMINATED' => 1, 'YEAR_MONTH' => 1,
-        'DISTINCTROW' => 1, 'HOUR_MINUTE' => 1, 'HOUR_SECOND' => 1,
-        'INSENSITIVE' => 1,
-        'CURRENT_DATE' => 1, 'CURRENT_TIME' => 1, 'CURRENT_USER' => 1,
-        'LOW_PRIORITY' => 1, 'SQLEXCEPTION' => 1, 'VARCHARACTER' => 1,
-        'DETERMINISTIC' => 1, 'HIGH_PRIORITY' => 1, 'MINUTE_SECOND' => 1,
-        'STRAIGHT_JOIN' => 1, 'UTC_TIMESTAMP' => 1,
-        'LOCALTIMESTAMP' => 1, 'SQL_BIG_RESULT' => 1,
-        'DAY_MICROSECOND' => 1,
-        'HOUR_MICROSECOND' => 1, 'SQL_SMALL_RESULT' => 1,
-        'CURRENT_TIMESTAMP' => 1,
-        'MINUTE_MICROSECOND' => 1, 'NO_WRITE_TO_BINLOG' => 1,
-        'SECOND_MICROSECOND' => 1,
-        'SQL_CALC_FOUND_ROWS' => 1,
+        'DO' => 1, 'IO' => 1, 'NO' => 1, 'XA' => 1, 
+        'ANY' => 1, 'AVG' => 1, 'BDB' => 1, 'BIT' => 1, 'CPU' => 1, 'DAY' => 1, 
+        'END' => 1, 'IPC' => 1, 'NDB' => 1, 'NEW' => 1, 'ONE' => 1, 'ROW' => 1, 
+        'BOOL' => 1, 'BYTE' => 1, 'CODE' => 1, 'CUBE' => 1, 'DATA' => 1, 'FAST' => 1, 
+        'FILE' => 1, 'FULL' => 1, 'HASH' => 1, 'HELP' => 1, 'HOUR' => 1, 'LAST' => 1, 
+        'LOGS' => 1, 'MODE' => 1, 'NAME' => 1, 'NEXT' => 1, 'NONE' => 1, 'OPEN' => 1, 
+        'PAGE' => 1, 'PREV' => 1, 'ROWS' => 1, 'SOME' => 1, 'STOP' => 1, 'TYPE' => 1, 
+        'USER' => 1, 'VIEW' => 1, 'WEEK' => 1, 'WORK' => 1, 'X509' => 1, 
+        'AFTER' => 1, 'ASCII' => 1, 'BEGIN' => 1, 'BLOCK' => 1, 'BTREE' => 1, 
+        'CACHE' => 1, 'CHAIN' => 1, 'CLOSE' => 1, 'FIRST' => 1, 'FIXED' => 1, 
+        'FLUSH' => 1, 'FOUND' => 1, 'HOSTS' => 1, 'LEVEL' => 1, 'LOCAL' => 1, 
+        'LOCKS' => 1, 'MERGE' => 1, 'MONTH' => 1, 'MUTEX' => 1, 'NAMES' => 1, 
+        'NCHAR' => 1, 'PHASE' => 1, 'POINT' => 1, 'QUERY' => 1, 'QUICK' => 1, 
+        'RAID0' => 1, 'RESET' => 1, 'RTREE' => 1, 'SHARE' => 1, 'SLAVE' => 1, 
+        'START' => 1, 'SUPER' => 1, 'SWAPS' => 1, 'TYPES' => 1, 'UNTIL' => 1, 
+        'VALUE' => 1, 
+        'ACTION' => 1, 'BACKUP' => 1, 'BINLOG' => 1, 'CIPHER' => 1, 'CLIENT' => 1, 
+        'COMMIT' => 1, 'ENABLE' => 1, 'ENGINE' => 1, 'ERRORS' => 1, 'ESCAPE' => 1, 
+        'EVENTS' => 1, 'FAULTS' => 1, 'FIELDS' => 1, 'GLOBAL' => 1, 'GRANTS' => 1, 
+        'IMPORT' => 1, 'INNODB' => 1, 'ISSUER' => 1, 'LEAVES' => 1, 'MASTER' => 1, 
+        'MEDIUM' => 1, 'MEMORY' => 1, 'MINUTE' => 1, 'MODIFY' => 1, 'OFFSET' => 1, 
+        'RELOAD' => 1, 'REPAIR' => 1, 'RESUME' => 1, 'ROLLUP' => 1, 'SECOND' => 1, 
+        'SERIAL' => 1, 'SIGNED' => 1, 'SIMPLE' => 1, 'SOUNDS' => 1, 'SOURCE' => 1, 
+        'STATUS' => 1, 'STRING' => 1, 'TABLES' => 1, 
+        'AGAINST' => 1, 'CHANGED' => 1, 'CHARSET' => 1, 'COLUMNS' => 1, 'COMMENT' => 1, 
+        'COMPACT' => 1, 'CONTEXT' => 1, 'DEFINER' => 1, 'DISABLE' => 1, 'DISCARD' => 1, 
+        'DYNAMIC' => 1, 'ENGINES' => 1, 'EXECUTE' => 1, 'HANDLER' => 1, 'INDEXES' => 1, 
+        'INVOKER' => 1, 'MIGRATE' => 1, 'PARTIAL' => 1, 'POLYGON' => 1, 'PREPARE' => 1, 
+        'PROFILE' => 1, 'QUARTER' => 1, 'RECOVER' => 1, 'RESTORE' => 1, 'RETURNS' => 1, 
+        'ROUTINE' => 1, 'SESSION' => 1, 'STORAGE' => 1, 'STRIPED' => 1, 'SUBJECT' => 1, 
+        'SUSPEND' => 1, 'UNICODE' => 1, 'UNKNOWN' => 1, 'UPGRADE' => 1, 'USE_FRM' => 1, 
+        'CASCADED' => 1, 'CHECKSUM' => 1, 'CONTAINS' => 1, 'DUMPFILE' => 1, 
+        'EXTENDED' => 1, 'FUNCTION' => 1, 'GEOMETRY' => 1, 'INNOBASE' => 1, 
+        'LANGUAGE' => 1, 'MAX_ROWS' => 1, 'MIN_ROWS' => 1, 'NATIONAL' => 1, 
+        'NVARCHAR' => 1, 'ONE_SHOT' => 1, 'PASSWORD' => 1, 'PROFILES' => 1, 
+        'ROLLBACK' => 1, 'SECURITY' => 1, 'SHUTDOWN' => 1, 'SNAPSHOT' => 1, 
+        'SWITCHES' => 1, 'TRIGGERS' => 1, 'TRUNCATE' => 1, 'WARNINGS' => 1, 
+        'AGGREGATE' => 1, 'ALGORITHM' => 1, 'COLLATION' => 1, 'COMMITTED' => 1, 
+        'DIRECTORY' => 1, 'DUPLICATE' => 1, 'EXPANSION' => 1, 'IO_THREAD' => 1, 
+        'ISOLATION' => 1, 'PACK_KEYS' => 1, 'RAID_TYPE' => 1, 'REDUNDANT' => 1, 
+        'SAVEPOINT' => 1, 'SQL_CACHE' => 1, 'TEMPORARY' => 1, 'TEMPTABLE' => 1, 
+        'UNDEFINED' => 1, 'VARIABLES' => 1, 
+        'BERKELEYDB' => 1, 'COMPRESSED' => 1, 'CONCURRENT' => 1, 'CONNECTION' => 1, 
+        'CONSISTENT' => 1, 'DEALLOCATE' => 1, 'GET_FORMAT' => 1, 'IDENTIFIED' => 1, 
+        'LINESTRING' => 1, 'MASTER_SSL' => 1, 'MULTIPOINT' => 1, 'NDBCLUSTER' => 1, 
+        'PRIVILEGES' => 1, 'REPEATABLE' => 1, 'ROW_FORMAT' => 1, 'SQL_THREAD' => 1, 
+        'TABLESPACE' => 1, 
+        'FRAC_SECOND' => 1, 'MASTER_HOST' => 1, 'MASTER_PORT' => 1, 'MASTER_USER' => 1, 
+        'MICROSECOND' => 1, 'PROCESSLIST' => 1, 'RAID_CHUNKS' => 1, 'REPLICATION' => 1, 
+        'SQL_TSI_DAY' => 1, 'TRANSACTION' => 1, 'UNCOMMITTED' => 1, 
+        'DES_KEY_FILE' => 1, 'MULTIPOLYGON' => 1, 'OLD_PASSWORD' => 1, 
+        'RELAY_THREAD' => 1, 'SERIALIZABLE' => 1, 'SQL_NO_CACHE' => 1, 
+        'SQL_TSI_HOUR' => 1, 'SQL_TSI_WEEK' => 1, 'SQL_TSI_YEAR' => 1, 
+        'TIMESTAMPADD' => 1, 
+        'INSERT_METHOD' => 1, 'MASTER_SSL_CA' => 1, 'RELAY_LOG_POS' => 1, 
+        'SQL_TSI_MONTH' => 1, 'TIMESTAMPDIFF' => 1, 
+        'AUTO_INCREMENT' => 1, 'AVG_ROW_LENGTH' => 1, 'MASTER_LOG_POS' => 1, 
+        'MASTER_SSL_KEY' => 1, 'RAID_CHUNKSIZE' => 1, 'RELAY_LOG_FILE' => 1, 
+        'SQL_TSI_MINUTE' => 1, 'SQL_TSI_SECOND' => 1, 'USER_RESOURCES' => 1, 
+        'DELAY_KEY_WRITE' => 1, 'MASTER_LOG_FILE' => 1, 'MASTER_PASSWORD' => 1, 
+        'MASTER_SSL_CERT' => 1, 'MULTILINESTRING' => 1, 'SQL_TSI_QUARTER' => 1, 
+        'MASTER_SERVER_ID' => 1, 
+        'MASTER_SSL_CAPATH' => 1, 'MASTER_SSL_CIPHER' => 1, 'SQL_BUFFER_RESULT' => 1, 
+        'GEOMETRYCOLLECTION' => 1, 
+        'SQL_TSI_FRAC_SECOND' => 1, 
+        'MASTER_CONNECT_RETRY' => 1, 'MAX_QUERIES_PER_HOUR' => 1, 
+        'MAX_UPDATES_PER_HOUR' => 1, 'MAX_USER_CONNECTIONS' => 1, 
+        'MAX_CONNECTIONS_PER_HOUR' => 1, 
 
-        'DO' => 2, 'IO' => 2, 'NO' => 2, 'XA' => 2,
-        'ANY' => 2, 'AVG' => 2, 'BDB' => 2, 'BIT' => 2, 'CPU' => 2, 'DAY' => 2,
-        'END' => 2, 'IPC' => 2, 'NDB' => 2, 'NEW' => 2, 'ONE' => 2, 'ROW' => 2,
-        'BOOL' => 2, 'BYTE' => 2, 'CODE' => 2, 'CUBE' => 2, 'DATA' => 2, 'DATE' => 2,
-        'ENUM' => 2, 'FAST' => 2, 'FILE' => 2, 'FULL' => 2, 'HASH' => 2, 'HELP' => 2,
-        'HOUR' => 2, 'LAST' => 2, 'LOGS' => 2, 'MODE' => 2, 'NAME' => 2, 'NEXT' => 2,
-        'NONE' => 2, 'OPEN' => 2, 'PAGE' => 2, 'PREV' => 2, 'ROWS' => 2, 'SOME' => 2,
-        'STOP' => 2, 'TEXT' => 2, 'TIME' => 2, 'TYPE' => 2, 'USER' => 2, 'VIEW' => 2,
-        'WEEK' => 2, 'WORK' => 2, 'X509' => 2, 'YEAR' => 2,
-        'AFTER' => 2, 'ASCII' => 2, 'BEGIN' => 2, 'BLOCK' => 2, 'BTREE' => 2,
-        'CACHE' => 2, 'CHAIN' => 2, 'CLOSE' => 2, 'FIRST' => 2, 'FIXED' => 2,
-        'FLUSH' => 2, 'FOUND' => 2, 'HOSTS' => 2, 'LEVEL' => 2, 'LOCAL' => 2,
-        'LOCKS' => 2, 'MERGE' => 2, 'MONTH' => 2, 'MUTEX' => 2, 'NAMES' => 2,
-        'NCHAR' => 2, 'PHASE' => 2, 'POINT' => 2, 'QUERY' => 2, 'QUICK' => 2,
-        'RAID0' => 2, 'RESET' => 2, 'RTREE' => 2, 'SHARE' => 2, 'SLAVE' => 2,
-        'START' => 2, 'SUPER' => 2, 'SWAPS' => 2, 'TYPES' => 2, 'UNTIL' => 2,
-        'VALUE' => 2,
-        'ACTION' => 2, 'BACKUP' => 2, 'BINLOG' => 2, 'CIPHER' => 2, 'CLIENT' => 2,
-        'COMMIT' => 2, 'ENABLE' => 2, 'ENGINE' => 2, 'ERRORS' => 2, 'ESCAPE' => 2,
-        'EVENTS' => 2, 'FAULTS' => 2, 'FIELDS' => 2, 'GLOBAL' => 2, 'GRANTS' => 2,
-        'IMPORT' => 2, 'INNODB' => 2, 'ISSUER' => 2, 'LEAVES' => 2, 'MASTER' => 2,
-        'MEDIUM' => 2, 'MEMORY' => 2, 'MINUTE' => 2, 'MODIFY' => 2, 'OFFSET' => 2,
-        'RELOAD' => 2, 'REPAIR' => 2, 'RESUME' => 2, 'ROLLUP' => 2, 'SECOND' => 2,
-        'SERIAL' => 2, 'SIGNED' => 2, 'SIMPLE' => 2, 'SOUNDS' => 2, 'SOURCE' => 2,
-        'STATUS' => 2, 'STRING' => 2, 'TABLES' => 2,
-        'AGAINST' => 2, 'BOOLEAN' => 2, 'CHANGED' => 2, 'CHARSET' => 2, 'COLUMNS' => 2,
-        'COMMENT' => 2, 'COMPACT' => 2, 'CONTEXT' => 2, 'DEFINER' => 2, 'DISABLE' => 2,
-        'DISCARD' => 2, 'DYNAMIC' => 2, 'ENGINES' => 2, 'EXECUTE' => 2, 'HANDLER' => 2,
-        'INDEXES' => 2, 'INVOKER' => 2, 'MIGRATE' => 2, 'PARTIAL' => 2, 'POLYGON' => 2,
-        'PREPARE' => 2, 'PROFILE' => 2, 'QUARTER' => 2, 'RECOVER' => 2, 'RESTORE' => 2,
-        'RETURNS' => 2, 'ROUTINE' => 2, 'SESSION' => 2, 'STORAGE' => 2, 'STRIPED' => 2,
-        'SUBJECT' => 2, 'SUSPEND' => 2, 'UNICODE' => 2, 'UNKNOWN' => 2, 'UPGRADE' => 2,
-        'USE_FRM' => 2,
-        'CASCADED' => 2, 'CHECKSUM' => 2, 'CONTAINS' => 2, 'DATETIME' => 2,
-        'DUMPFILE' => 2, 'EXTENDED' => 2, 'FUNCTION' => 2, 'GEOMETRY' => 2,
-        'INNOBASE' => 2, 'LANGUAGE' => 2, 'MAX_ROWS' => 2, 'MIN_ROWS' => 2,
-        'NATIONAL' => 2, 'NVARCHAR' => 2, 'ONE_SHOT' => 2, 'PASSWORD' => 2,
-        'PROFILES' => 2, 'ROLLBACK' => 2, 'SECURITY' => 2, 'SHUTDOWN' => 2,
-        'SNAPSHOT' => 2, 'SWITCHES' => 2, 'TRIGGERS' => 2, 'TRUNCATE' => 2,
-        'WARNINGS' => 2,
-        'AGGREGATE' => 2, 'ALGORITHM' => 2, 'COLLATION' => 2, 'COMMITTED' => 2,
-        'DIRECTORY' => 2, 'DUPLICATE' => 2, 'EXPANSION' => 2, 'IO_THREAD' => 2,
-        'ISOLATION' => 2, 'PACK_KEYS' => 2, 'RAID_TYPE' => 2, 'REDUNDANT' => 2,
-        'SAVEPOINT' => 2, 'SQL_CACHE' => 2, 'TEMPORARY' => 2, 'TEMPTABLE' => 2,
-        'TIMESTAMP' => 2, 'UNDEFINED' => 2, 'VARIABLES' => 2,
-        'BERKELEYDB' => 2, 'COMPRESSED' => 2, 'CONCURRENT' => 2, 'CONNECTION' => 2,
-        'CONSISTENT' => 2, 'DEALLOCATE' => 2, 'GET_FORMAT' => 2, 'IDENTIFIED' => 2,
-        'LINESTRING' => 2, 'MASTER_SSL' => 2, 'MULTIPOINT' => 2, 'NDBCLUSTER' => 2,
-        'PRIVILEGES' => 2, 'REPEATABLE' => 2, 'ROW_FORMAT' => 2, 'SQL_THREAD' => 2,
-        'TABLESPACE' => 2,
-        'FRAC_SECOND' => 2, 'MASTER_HOST' => 2, 'MASTER_PORT' => 2, 'MASTER_USER' => 2,
-        'MICROSECOND' => 2, 'PROCESSLIST' => 2, 'RAID_CHUNKS' => 2, 'REPLICATION' => 2,
-        'SQL_TSI_DAY' => 2, 'TRANSACTION' => 2, 'UNCOMMITTED' => 2,
-        'DES_KEY_FILE' => 2, 'MULTIPOLYGON' => 2, 'OLD_PASSWORD' => 2,
-        'RELAY_THREAD' => 2, 'SERIALIZABLE' => 2, 'SQL_NO_CACHE' => 2,
-        'SQL_TSI_HOUR' => 2, 'SQL_TSI_WEEK' => 2, 'SQL_TSI_YEAR' => 2,
-        'TIMESTAMPADD' => 2,
-        'INSERT_METHOD' => 2, 'MASTER_SSL_CA' => 2, 'RELAY_LOG_POS' => 2,
-        'SQL_TSI_MONTH' => 2, 'TIMESTAMPDIFF' => 2,
-        'AUTO_INCREMENT' => 2, 'AVG_ROW_LENGTH' => 2, 'MASTER_LOG_POS' => 2,
-        'MASTER_SSL_KEY' => 2, 'RAID_CHUNKSIZE' => 2, 'RELAY_LOG_FILE' => 2,
-        'SQL_TSI_MINUTE' => 2, 'SQL_TSI_SECOND' => 2, 'USER_RESOURCES' => 2,
-        'DELAY_KEY_WRITE' => 2, 'MASTER_LOG_FILE' => 2, 'MASTER_PASSWORD' => 2,
-        'MASTER_SSL_CERT' => 2, 'MULTILINESTRING' => 2, 'SQL_TSI_QUARTER' => 2,
-        'MASTER_SERVER_ID' => 2,
-        'MASTER_SSL_CAPATH' => 2, 'MASTER_SSL_CIPHER' => 2, 'SQL_BUFFER_RESULT' => 2,
-        'GEOMETRYCOLLECTION' => 2,
-        'SQL_TSI_FRAC_SECOND' => 2,
-        'MASTER_CONNECT_RETRY' => 2, 'MAX_QUERIES_PER_HOUR' => 2,
-        'MAX_UPDATES_PER_HOUR' => 2, 'MAX_USER_CONNECTIONS' => 2,
-        'MAX_CONNECTIONS_PER_HOUR' => 2,
+        'AS' => 3, 'BY' => 3, 'IF' => 3, 'IN' => 3, 'IS' => 3, 'ON' => 3, 'OR' => 3, 
+        'TO' => 3, 
+        'ADD' => 3, 'ALL' => 3, 'AND' => 3, 'ASC' => 3, 'DEC' => 3, 'DIV' => 3, 
+        'FOR' => 3, 'MOD' => 3, 'NOT' => 3, 'OUT' => 3, 'SQL' => 3, 'SSL' => 3, 
+        'USE' => 3, 'XOR' => 3, 
+        'BOTH' => 3, 'CALL' => 3, 'CASE' => 3, 'DESC' => 3, 'DROP' => 3, 'DUAL' => 3, 
+        'EACH' => 3, 'ELSE' => 3, 'EXIT' => 3, 'FROM' => 3, 'INT1' => 3, 'INT2' => 3, 
+        'INT3' => 3, 'INT4' => 3, 'INT8' => 3, 'INTO' => 3, 'JOIN' => 3, 'KEYS' => 3, 
+        'KILL' => 3, 'LEFT' => 3, 'LIKE' => 3, 'LOAD' => 3, 'LOCK' => 3, 'LONG' => 3, 
+        'LOOP' => 3, 'NULL' => 3, 'READ' => 3, 'SHOW' => 3, 'THEN' => 3, 'TRUE' => 3, 
+        'UNDO' => 3, 'WHEN' => 3, 'WITH' => 3, 
+        'ALTER' => 3, 'CHECK' => 3, 'CROSS' => 3, 'FALSE' => 3, 'FETCH' => 3, 
+        'FORCE' => 3, 'GRANT' => 3, 'GROUP' => 3, 'INNER' => 3, 'INOUT' => 3, 
+        'LEAVE' => 3, 'LIMIT' => 3, 'LINES' => 3, 'MATCH' => 3, 'ORDER' => 3, 
+        'OUTER' => 3, 'PURGE' => 3, 'READS' => 3, 'RIGHT' => 3, 'RLIKE' => 3, 
+        'TABLE' => 3, 'UNION' => 3, 'USAGE' => 3, 'USING' => 3, 'WHERE' => 3, 
+        'WHILE' => 3, 'WRITE' => 3, 
+        'BEFORE' => 3, 'CHANGE' => 3, 'COLUMN' => 3, 'CREATE' => 3, 'CURSOR' => 3, 
+        'DELETE' => 3, 'ELSEIF' => 3, 'EXISTS' => 3, 'FLOAT4' => 3, 'FLOAT8' => 3, 
+        'HAVING' => 3, 'IGNORE' => 3, 'INFILE' => 3, 'INSERT' => 3, 'OPTION' => 3, 
+        'REGEXP' => 3, 'RENAME' => 3, 'REPEAT' => 3, 'RETURN' => 3, 'REVOKE' => 3, 
+        'SCHEMA' => 3, 'SELECT' => 3, 'SONAME' => 3, 'UNLOCK' => 3, 'UPDATE' => 3, 
+        'VALUES' => 3, 
+        'ANALYZE' => 3, 'BETWEEN' => 3, 'CASCADE' => 3, 'COLLATE' => 3, 'CONVERT' => 3, 
+        'DECLARE' => 3, 'DEFAULT' => 3, 'DELAYED' => 3, 'ESCAPED' => 3, 'EXPLAIN' => 3, 
+        'FOREIGN' => 3, 'ITERATE' => 3, 'LEADING' => 3, 'NATURAL' => 3, 'OUTFILE' => 3, 
+        'PRIMARY' => 3, 'RELEASE' => 3, 'REPLACE' => 3, 'REQUIRE' => 3, 'SCHEMAS' => 3, 
+        'SPATIAL' => 3, 'TRIGGER' => 3, 'VARYING' => 3, 
+        'CONTINUE' => 3, 'DATABASE' => 3, 'DAY_HOUR' => 3, 'DESCRIBE' => 3, 
+        'DISTINCT' => 3, 'ENCLOSED' => 3, 'FULLTEXT' => 3, 'MODIFIES' => 3, 
+        'OPTIMIZE' => 3, 'RESTRICT' => 3, 'SPECIFIC' => 3, 'SQLSTATE' => 3, 
+        'STARTING' => 3, 'TRAILING' => 3, 'UNSIGNED' => 3, 'UTC_DATE' => 3, 
+        'UTC_TIME' => 3, 'ZEROFILL' => 3, 
+        'CONDITION' => 3, 'DATABASES' => 3, 'LOCALTIME' => 3, 'MIDDLEINT' => 3, 
+        'PRECISION' => 3, 'PROCEDURE' => 3, 'SENSITIVE' => 3, 'SEPARATOR' => 3, 
+        'ASENSITIVE' => 3, 'CONSTRAINT' => 3, 'DAY_MINUTE' => 3, 'DAY_SECOND' => 3, 
+        'OPTIONALLY' => 3, 'REFERENCES' => 3, 'SQLWARNING' => 3, 'TERMINATED' => 3, 
+        'YEAR_MONTH' => 3, 
+        'DISTINCTROW' => 3, 'HOUR_MINUTE' => 3, 'HOUR_SECOND' => 3, 'INSENSITIVE' => 3, 
+        'CURRENT_DATE' => 3, 'CURRENT_TIME' => 3, 'CURRENT_USER' => 3, 
+        'LOW_PRIORITY' => 3, 'SQLEXCEPTION' => 3, 'VARCHARACTER' => 3, 
+        'DETERMINISTIC' => 3, 'HIGH_PRIORITY' => 3, 'MINUTE_SECOND' => 3, 
+        'STRAIGHT_JOIN' => 3, 'UTC_TIMESTAMP' => 3, 
+        'LOCALTIMESTAMP' => 3, 'SQL_BIG_RESULT' => 3, 
+        'DAY_MICROSECOND' => 3, 
+        'HOUR_MICROSECOND' => 3, 'SQL_SMALL_RESULT' => 3, 
+        'CURRENT_TIMESTAMP' => 3, 
+        'MINUTE_MICROSECOND' => 3, 'NO_WRITE_TO_BINLOG' => 3, 'SECOND_MICROSECOND' => 3, 
+        'SQL_CALC_FOUND_ROWS' => 3, 
 
-        'NOT NULL' => 4,
-        'INDEX KEY' => 4,
-        'UNIQUE KEY' => 4,
-        'FOREIGN KEY' => 4, 'PRIMARY KEY' => 4, 'PRIMARY KEY' => 4, 'SPATIAL KEY' => 4,
-        'FULLTEXT KEY' => 4, 'UNIQUE INDEX' => 4,
-        'CHARACTER SET' => 4, 'IF NOT EXISTS' => 4, 'SPATIAL INDEX' => 4,
-        'DATA DIRECTORY' => 4, 'FULLTEXT INDEX' => 4,
-        'DEFAULT COLLATE' => 4, 'INDEX DIRECTORY' => 4,
-        'DEFAULT CHARACTER SET' => 4,
+        'NOT NULL' => 5, 
+        'ON UPDATE' => 5, 
+        'CHARACTER SET' => 5, 'IF NOT EXISTS' => 5, 
+        'DATA DIRECTORY' => 5, 
+        'DEFAULT COLLATE' => 5, 'INDEX DIRECTORY' => 5, 
+        'DEFAULT CHARACTER SET' => 5, 
+
+        'XML' => 9, 
+        'DATE' => 9, 'ENUM' => 9, 'TEXT' => 9, 'TIME' => 9, 'YEAR' => 9, 
+        'ARRAY' => 9, 
+        'BOOLEAN' => 9, 
+        'DATETIME' => 9, 'MULTISET' => 9, 
+        'TIMESTAMP' => 9, 
+
+        'INT' => 11, 'SET' => 11, 
+        'BLOB' => 11, 'CHAR' => 11, 'REAL' => 11, 
+        'FLOAT' => 11, 
+        'BIGINT' => 11, 'BINARY' => 11, 'DOUBLE' => 11, 
+        'DECIMAL' => 11, 'INTEGER' => 11, 'NUMERIC' => 11, 'TINYINT' => 11, 'VARCHAR' => 11, 
+        'INTERVAL' => 11, 'LONGBLOB' => 11, 'LONGTEXT' => 11, 'SMALLINT' => 11, 
+        'TINYBLOB' => 11, 'TINYTEXT' => 11, 
+        'CHARACTER' => 11, 'MEDIUMINT' => 11, 'VARBINARY' => 11, 
+        'MEDIUMBLOB' => 11, 'MEDIUMTEXT' => 11, 
+
+        'BINARY VARYING' => 13, 
+
+        'KEY' => 19, 
+        'INDEX' => 19, 
+        'UNIQUE' => 19, 
+
+        'INDEX KEY' => 21, 
+        'UNIQUE KEY' => 21, 
+        'FOREIGN KEY' => 21, 'PRIMARY KEY' => 21, 'SPATIAL KEY' => 21, 
+        'FULLTEXT KEY' => 21, 'UNIQUE INDEX' => 21, 
+        'SPATIAL INDEX' => 21, 
+        'FULLTEXT INDEX' => 21, 
 
     );
 }
diff --git a/src/Contexts/ContextMySql50100.php b/src/Contexts/ContextMySql50100.php
index f853c9a..4822141 100644
--- a/src/Contexts/ContextMySql50100.php
+++ b/src/Contexts/ContextMySql50100.php
@@ -18,169 +18,175 @@ class ContextMySql50100 extends Context
 
     public static $KEYWORDS = array(
 
-        'AS' => 1, 'BY' => 1, 'IF' => 1, 'IN' => 1, 'IS' => 1,
-        'ON' => 1, 'OR' => 1, 'TO' => 1,
-        'ADD' => 1, 'ALL' => 1, 'AND' => 1, 'ASC' => 1, 'DEC' => 1,
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+        'INT3' => 3, 'INT4' => 3, 'INT8' => 3, 'INTO' => 3, 'JOIN' => 3, 'KEYS' => 3, 
+        'KILL' => 3, 'LEFT' => 3, 'LIKE' => 3, 'LOAD' => 3, 'LOCK' => 3, 'LONG' => 3, 
+        'LOOP' => 3, 'NULL' => 3, 'READ' => 3, 'SHOW' => 3, 'THEN' => 3, 'TRUE' => 3, 
+        'UNDO' => 3, 'WHEN' => 3, 'WITH' => 3, 
+        'ALTER' => 3, 'CHECK' => 3, 'CROSS' => 3, 'FALSE' => 3, 'FETCH' => 3, 
+        'FORCE' => 3, 'GRANT' => 3, 'GROUP' => 3, 'INNER' => 3, 'INOUT' => 3, 
+        'LEAVE' => 3, 'LIMIT' => 3, 'LINES' => 3, 'MATCH' => 3, 'ORDER' => 3, 
+        'OUTER' => 3, 'PURGE' => 3, 'RANGE' => 3, 'READS' => 3, 'RIGHT' => 3, 
+        'RLIKE' => 3, 'TABLE' => 3, 'UNION' => 3, 'USAGE' => 3, 'USING' => 3, 
+        'WHERE' => 3, 'WHILE' => 3, 'WRITE' => 3, 
+        'BEFORE' => 3, 'CHANGE' => 3, 'COLUMN' => 3, 'CREATE' => 3, 'CURSOR' => 3, 
+        'DELETE' => 3, 'ELSEIF' => 3, 'EXISTS' => 3, 'FLOAT4' => 3, 'FLOAT8' => 3, 
+        'HAVING' => 3, 'IGNORE' => 3, 'INFILE' => 3, 'INSERT' => 3, 'LINEAR' => 3, 
+        'OPTION' => 3, 'REGEXP' => 3, 'RENAME' => 3, 'REPEAT' => 3, 'RETURN' => 3, 
+        'REVOKE' => 3, 'SCHEMA' => 3, 'SELECT' => 3, 'UNLOCK' => 3, 'UPDATE' => 3, 
+        'VALUES' => 3, 
+        'ANALYZE' => 3, 'BETWEEN' => 3, 'CASCADE' => 3, 'COLLATE' => 3, 'CONVERT' => 3, 
+        'DECLARE' => 3, 'DEFAULT' => 3, 'DELAYED' => 3, 'ESCAPED' => 3, 'EXPLAIN' => 3, 
+        'FOREIGN' => 3, 'ITERATE' => 3, 'LEADING' => 3, 'NATURAL' => 3, 'OUTFILE' => 3, 
+        'PRIMARY' => 3, 'RELEASE' => 3, 'REPLACE' => 3, 'REQUIRE' => 3, 'SCHEMAS' => 3, 
+        'SPATIAL' => 3, 'TRIGGER' => 3, 'VARYING' => 3, 
+        'CONTINUE' => 3, 'DATABASE' => 3, 'DAY_HOUR' => 3, 'DESCRIBE' => 3, 
+        'DISTINCT' => 3, 'ENCLOSED' => 3, 'FULLTEXT' => 3, 'MODIFIES' => 3, 
+        'OPTIMIZE' => 3, 'RESTRICT' => 3, 'SPECIFIC' => 3, 'SQLSTATE' => 3, 
+        'STARTING' => 3, 'TRAILING' => 3, 'UNSIGNED' => 3, 'UTC_DATE' => 3, 
+        'UTC_TIME' => 3, 'ZEROFILL' => 3, 
+        'CONDITION' => 3, 'DATABASES' => 3, 'LOCALTIME' => 3, 'MIDDLEINT' => 3, 
+        'PRECISION' => 3, 'PROCEDURE' => 3, 'SENSITIVE' => 3, 'SEPARATOR' => 3, 
+        'ACCESSIBLE' => 3, 'ASENSITIVE' => 3, 'CONSTRAINT' => 3, 'DAY_MINUTE' => 3, 
+        'DAY_SECOND' => 3, 'OPTIONALLY' => 3, 'READ_WRITE' => 3, 'REFERENCES' => 3, 
+        'SQLWARNING' => 3, 'TERMINATED' => 3, 'YEAR_MONTH' => 3, 
+        'DISTINCTROW' => 3, 'HOUR_MINUTE' => 3, 'HOUR_SECOND' => 3, 'INSENSITIVE' => 3, 
+        'CURRENT_DATE' => 3, 'CURRENT_TIME' => 3, 'CURRENT_USER' => 3, 
+        'LOW_PRIORITY' => 3, 'SQLEXCEPTION' => 3, 'VARCHARACTER' => 3, 
+        'DETERMINISTIC' => 3, 'HIGH_PRIORITY' => 3, 'MINUTE_SECOND' => 3, 
+        'STRAIGHT_JOIN' => 3, 'UTC_TIMESTAMP' => 3, 
+        'LOCALTIMESTAMP' => 3, 'SQL_BIG_RESULT' => 3, 
+        'DAY_MICROSECOND' => 3, 
+        'HOUR_MICROSECOND' => 3, 'SQL_SMALL_RESULT' => 3, 
+        'CURRENT_TIMESTAMP' => 3, 
+        'MINUTE_MICROSECOND' => 3, 'NO_WRITE_TO_BINLOG' => 3, 'SECOND_MICROSECOND' => 3, 
+        'SQL_CALC_FOUND_ROWS' => 3, 
+        'MASTER_SSL_VERIFY_SERVER_CERT' => 3, 
 
-        'NOT NULL' => 4,
-        'INDEX KEY' => 4,
-        'UNIQUE KEY' => 4,
-        'FOREIGN KEY' => 4, 'PRIMARY KEY' => 4, 'PRIMARY KEY' => 4, 'SPATIAL KEY' => 4,
-        'FULLTEXT KEY' => 4, 'UNIQUE INDEX' => 4,
-        'CHARACTER SET' => 4, 'IF NOT EXISTS' => 4, 'SPATIAL INDEX' => 4,
-        'DATA DIRECTORY' => 4, 'FULLTEXT INDEX' => 4,
-        'DEFAULT COLLATE' => 4, 'INDEX DIRECTORY' => 4,
-        'DEFAULT CHARACTER SET' => 4,
+        'NOT NULL' => 5, 
+        'ON UPDATE' => 5, 
+        'CHARACTER SET' => 5, 'IF NOT EXISTS' => 5, 
+        'DATA DIRECTORY' => 5, 
+        'DEFAULT COLLATE' => 5, 'INDEX DIRECTORY' => 5, 
+        'DEFAULT CHARACTER SET' => 5, 
+
+        'XML' => 9, 
+        'DATE' => 9, 'ENUM' => 9, 'TEXT' => 9, 'TIME' => 9, 'YEAR' => 9, 
+        'ARRAY' => 9, 
+        'BOOLEAN' => 9, 
+        'DATETIME' => 9, 'MULTISET' => 9, 
+        'TIMESTAMP' => 9, 
+
+        'INT' => 11, 'SET' => 11, 
+        'BLOB' => 11, 'CHAR' => 11, 'REAL' => 11, 
+        'FLOAT' => 11, 
+        'BIGINT' => 11, 'BINARY' => 11, 'DOUBLE' => 11, 
+        'DECIMAL' => 11, 'INTEGER' => 11, 'NUMERIC' => 11, 'TINYINT' => 11, 'VARCHAR' => 11, 
+        'INTERVAL' => 11, 'LONGBLOB' => 11, 'LONGTEXT' => 11, 'SMALLINT' => 11, 
+        'TINYBLOB' => 11, 'TINYTEXT' => 11, 
+        'CHARACTER' => 11, 'MEDIUMINT' => 11, 'VARBINARY' => 11, 
+        'MEDIUMBLOB' => 11, 'MEDIUMTEXT' => 11, 
+
+        'BINARY VARYING' => 13, 
+
+        'KEY' => 19, 
+        'INDEX' => 19, 
+        'UNIQUE' => 19, 
+
+        'INDEX KEY' => 21, 
+        'UNIQUE KEY' => 21, 
+        'FOREIGN KEY' => 21, 'PRIMARY KEY' => 21, 'SPATIAL KEY' => 21, 
+        'FULLTEXT KEY' => 21, 'UNIQUE INDEX' => 21, 
+        'SPATIAL INDEX' => 21, 
+        'FULLTEXT INDEX' => 21, 
 
     );
 }
diff --git a/src/Contexts/ContextMySql50500.php b/src/Contexts/ContextMySql50500.php
index 9fe3e87..e0cea95 100644
--- a/src/Contexts/ContextMySql50500.php
+++ b/src/Contexts/ContextMySql50500.php
@@ -18,173 +18,178 @@ class ContextMySql50500 extends Context
 
     public static $KEYWORDS = array(
 
-        'AS' => 1, 'BY' => 1, 'IF' => 1, 'IN' => 1, 'IS' => 1,
-        'ON' => 1, 'OR' => 1, 'TO' => 1,
-        'ADD' => 1, 'ALL' => 1, 'AND' => 1, 'ASC' => 1, 'DEC' => 1,
-        'DIV' => 1, 'FOR' => 1, 'INT' => 1, 'KEY' => 1, 'MOD' => 1,
-        'NOT' => 1, 'OUT' => 1, 'SET' => 1, 'SQL' => 1, 'SSL' => 1,
-        'USE' => 1, 'XOR' => 1,
-        'BLOB' => 1, 'BOTH' => 1, 'CALL' => 1, 'CASE' => 1,
-        'CHAR' => 1, 'DESC' => 1, 'DROP' => 1, 'DUAL' => 1,
-        'EACH' => 1, 'ELSE' => 1, 'EXIT' => 1, 'FROM' => 1,
-        'INT1' => 1, 'INT2' => 1, 'INT3' => 1, 'INT4' => 1,
-        'INT8' => 1, 'INTO' => 1, 'JOIN' => 1, 'KEYS' => 1,
-        'KILL' => 1, 'LEFT' => 1, 'LIKE' => 1, 'LOAD' => 1,
-        'LOCK' => 1, 'LONG' => 1, 'LOOP' => 1, 'NULL' => 1,
-        'READ' => 1, 'REAL' => 1, 'SHOW' => 1, 'THEN' => 1,
-        'TRUE' => 1, 'UNDO' => 1, 'WHEN' => 1, 'WITH' => 1,
-        'ALTER' => 1, 'CHECK' => 1, 'CROSS' => 1, 'FALSE' => 1,
-        'FETCH' => 1, 'FLOAT' => 1, 'FORCE' => 1, 'GRANT' => 1,
-        'GROUP' => 1, 'INDEX' => 1, 'INNER' => 1, 'INOUT' => 1,
-        'LEAVE' => 1, 'LIMIT' => 1, 'LINES' => 1, 'MATCH' => 1,
-        'ORDER' => 1, 'OUTER' => 1, 'PURGE' => 1, 'RANGE' => 1,
-        'READS' => 1, 'RIGHT' => 1, 'RLIKE' => 1, 'TABLE' => 1,
-        'UNION' => 1, 'USAGE' => 1, 'USING' => 1, 'WHERE' => 1,
-        'WHILE' => 1, 'WRITE' => 1,
-        'BEFORE' => 1, 'BIGINT' => 1, 'BINARY' => 1, 'CHANGE' => 1,
-        'COLUMN' => 1, 'CREATE' => 1, 'CURSOR' => 1, 'DELETE' => 1,
-        'DOUBLE' => 1, 'ELSEIF' => 1, 'EXISTS' => 1, 'FLOAT4' => 1,
-        'FLOAT8' => 1, 'HAVING' => 1, 'IGNORE' => 1, 'INFILE' => 1,
-        'INSERT' => 1, 'LINEAR' => 1, 'OPTION' => 1, 'REGEXP' => 1,
-        'RENAME' => 1, 'REPEAT' => 1, 'RETURN' => 1, 'REVOKE' => 1,
-        'SCHEMA' => 1, 'SELECT' => 1, 'SIGNAL' => 1, 'UNIQUE' => 1,
-        'UNLOCK' => 1, 'UPDATE' => 1, 'VALUES' => 1,
-        'ANALYZE' => 1, 'BETWEEN' => 1, 'CASCADE' => 1, 'COLLATE' => 1,
-        'CONVERT' => 1, 'DECIMAL' => 1, 'DECLARE' => 1, 'DEFAULT' => 1,
-        'DELAYED' => 1, 'ESCAPED' => 1, 'EXPLAIN' => 1, 'FOREIGN' => 1,
-        'INTEGER' => 1, 'ITERATE' => 1, 'LEADING' => 1, 'NATURAL' => 1,
-        'NUMERIC' => 1, 'OUTFILE' => 1, 'PRIMARY' => 1, 'RELEASE' => 1,
-        'REPLACE' => 1, 'REQUIRE' => 1, 'SCHEMAS' => 1, 'SPATIAL' => 1,
-        'TINYINT' => 1, 'TRIGGER' => 1, 'VARCHAR' => 1, 'VARYING' => 1,
-        'CONTINUE' => 1, 'DATABASE' => 1, 'DAY_HOUR' => 1,
-        'DESCRIBE' => 1, 'DISTINCT' => 1, 'ENCLOSED' => 1,
-        'FULLTEXT' => 1, 'INTERVAL' => 1, 'LONGBLOB' => 1,
-        'LONGTEXT' => 1, 'MAXVALUE' => 1, 'MODIFIES' => 1,
-        'OPTIMIZE' => 1, 'RESIGNAL' => 1, 'RESTRICT' => 1,
-        'SMALLINT' => 1, 'SPECIFIC' => 1, 'SQLSTATE' => 1,
-        'STARTING' => 1, 'TINYBLOB' => 1, 'TINYTEXT' => 1,
-        'TRAILING' => 1, 'UNSIGNED' => 1, 'UTC_DATE' => 1,
-        'UTC_TIME' => 1, 'ZEROFILL' => 1,
-        'CHARACTER' => 1, 'CONDITION' => 1, 'DATABASES' => 1,
-        'LOCALTIME' => 1, 'MEDIUMINT' => 1, 'MIDDLEINT' => 1,
-        'PRECISION' => 1, 'PROCEDURE' => 1, 'SENSITIVE' => 1,
-        'SEPARATOR' => 1, 'VARBINARY' => 1,
-        'ACCESSIBLE' => 1, 'ASENSITIVE' => 1, 'CONSTRAINT' => 1,
-        'DAY_MINUTE' => 1, 'DAY_SECOND' => 1, 'MEDIUMBLOB' => 1,
-        'MEDIUMTEXT' => 1, 'OPTIONALLY' => 1, 'READ_WRITE' => 1,
-        'REFERENCES' => 1, 'SQLWARNING' => 1, 'TERMINATED' => 1,
-        'YEAR_MONTH' => 1,
-        'DISTINCTROW' => 1, 'HOUR_MINUTE' => 1, 'HOUR_SECOND' => 1,
-        'INSENSITIVE' => 1,
-        'CURRENT_DATE' => 1, 'CURRENT_TIME' => 1, 'CURRENT_USER' => 1,
-        'LOW_PRIORITY' => 1, 'SQLEXCEPTION' => 1, 'VARCHARACTER' => 1,
-        'DETERMINISTIC' => 1, 'HIGH_PRIORITY' => 1, 'MINUTE_SECOND' => 1,
-        'STRAIGHT_JOIN' => 1, 'UTC_TIMESTAMP' => 1,
-        'LOCALTIMESTAMP' => 1, 'SQL_BIG_RESULT' => 1,
-        'DAY_MICROSECOND' => 1,
-        'HOUR_MICROSECOND' => 1, 'SQL_SMALL_RESULT' => 1,
-        'CURRENT_TIMESTAMP' => 1,
-        'MINUTE_MICROSECOND' => 1, 'NO_WRITE_TO_BINLOG' => 1,
-        'SECOND_MICROSECOND' => 1,
-        'SQL_CALC_FOUND_ROWS' => 1,
-        'MASTER_SSL_VERIFY_SERVER_CERT' => 1,
+        'AT' => 1, 'DO' => 1, 'IO' => 1, 'NO' => 1, 'XA' => 1, 
+        'ANY' => 1, 'AVG' => 1, 'BIT' => 1, 'CPU' => 1, 'DAY' => 1, 'END' => 1, 
+        'IPC' => 1, 'NDB' => 1, 'NEW' => 1, 'ONE' => 1, 'ROW' => 1, 
+        'BOOL' => 1, 'BYTE' => 1, 'CODE' => 1, 'CUBE' => 1, 'DATA' => 1, 'DISK' => 1, 
+        'ENDS' => 1, 'FAST' => 1, 'FILE' => 1, 'FULL' => 1, 'HASH' => 1, 'HELP' => 1, 
+        'HOST' => 1, 'HOUR' => 1, 'LAST' => 1, 'LESS' => 1, 'LIST' => 1, 'LOGS' => 1, 
+        'MODE' => 1, 'NAME' => 1, 'NEXT' => 1, 'NONE' => 1, 'OPEN' => 1, 'PAGE' => 1, 
+        'PORT' => 1, 'PREV' => 1, 'ROWS' => 1, 'SLOW' => 1, 'SOME' => 1, 'STOP' => 1, 
+        'THAN' => 1, 'TYPE' => 1, 'USER' => 1, 'VIEW' => 1, 'WAIT' => 1, 'WEEK' => 1, 
+        'WORK' => 1, 'X509' => 1, 
+        'AFTER' => 1, 'ASCII' => 1, 'BEGIN' => 1, 'BLOCK' => 1, 'BTREE' => 1, 
+        'CACHE' => 1, 'CHAIN' => 1, 'CLOSE' => 1, 'ERROR' => 1, 'EVENT' => 1, 
+        'EVERY' => 1, 'FIRST' => 1, 'FIXED' => 1, 'FLUSH' => 1, 'FOUND' => 1, 
+        'HOSTS' => 1, 'LEVEL' => 1, 'LOCAL' => 1, 'LOCKS' => 1, 'MERGE' => 1, 
+        'MONTH' => 1, 'MUTEX' => 1, 'NAMES' => 1, 'NCHAR' => 1, 'OWNER' => 1, 
+        'PHASE' => 1, 'POINT' => 1, 'PROXY' => 1, 'QUERY' => 1, 'QUICK' => 1, 
+        'RELAY' => 1, 'RESET' => 1, 'RTREE' => 1, 'SHARE' => 1, 'SLAVE' => 1, 
+        'START' => 1, 'SUPER' => 1, 'SWAPS' => 1, 'TYPES' => 1, 'UNTIL' => 1, 
+        'VALUE' => 1, 
+        'ACTION' => 1, 'BACKUP' => 1, 'BINLOG' => 1, 'CIPHER' => 1, 'CLIENT' => 1, 
+        'COMMIT' => 1, 'ENABLE' => 1, 'ENGINE' => 1, 'ERRORS' => 1, 'ESCAPE' => 1, 
+        'EVENTS' => 1, 'FAULTS' => 1, 'FIELDS' => 1, 'GLOBAL' => 1, 'GRANTS' => 1, 
+        'IMPORT' => 1, 'INNODB' => 1, 'ISSUER' => 1, 'LEAVES' => 1, 'MASTER' => 1, 
+        'MEDIUM' => 1, 'MEMORY' => 1, 'MINUTE' => 1, 'MODIFY' => 1, 'OFFSET' => 1, 
+        'PARSER' => 1, 'PLUGIN' => 1, 'RELOAD' => 1, 'REMOVE' => 1, 'REPAIR' => 1, 
+        'RESUME' => 1, 'ROLLUP' => 1, 'SECOND' => 1, 'SERIAL' => 1, 'SERVER' => 1, 
+        'SIGNED' => 1, 'SIMPLE' => 1, 'SOCKET' => 1, 'SONAME' => 1, 'SOUNDS' => 1, 
+        'SOURCE' => 1, 'STARTS' => 1, 'STATUS' => 1, 'STRING' => 1, 'TABLES' => 1, 
+        'AGAINST' => 1, 'AUTHORS' => 1, 'CHANGED' => 1, 'CHARSET' => 1, 'COLUMNS' => 1, 
+        'COMMENT' => 1, 'COMPACT' => 1, 'CONTEXT' => 1, 'DEFINER' => 1, 'DISABLE' => 1, 
+        'DISCARD' => 1, 'DYNAMIC' => 1, 'ENGINES' => 1, 'EXECUTE' => 1, 'GENERAL' => 1, 
+        'HANDLER' => 1, 'INDEXES' => 1, 'INSTALL' => 1, 'INVOKER' => 1, 'LOGFILE' => 1, 
+        'MIGRATE' => 1, 'NO_WAIT' => 1, 'OPTIONS' => 1, 'PARTIAL' => 1, 'PLUGINS' => 1, 
+        'POLYGON' => 1, 'PREPARE' => 1, 'PROFILE' => 1, 'QUARTER' => 1, 'REBUILD' => 1, 
+        'RECOVER' => 1, 'RESTORE' => 1, 'RETURNS' => 1, 'ROUTINE' => 1, 'SESSION' => 1, 
+        'STORAGE' => 1, 'SUBJECT' => 1, 'SUSPEND' => 1, 'UNICODE' => 1, 'UNKNOWN' => 1, 
+        'UPGRADE' => 1, 'USE_FRM' => 1, 'WRAPPER' => 1, 
+        'CASCADED' => 1, 'CHECKSUM' => 1, 'COALESCE' => 1, 'CONTAINS' => 1, 
+        'DATAFILE' => 1, 'DUMPFILE' => 1, 'EXTENDED' => 1, 'FUNCTION' => 1, 
+        'GEOMETRY' => 1, 'INNOBASE' => 1, 'LANGUAGE' => 1, 'MAX_ROWS' => 1, 
+        'MAX_SIZE' => 1, 'MIN_ROWS' => 1, 'NATIONAL' => 1, 'NVARCHAR' => 1, 
+        'ONE_SHOT' => 1, 'PASSWORD' => 1, 'PRESERVE' => 1, 'PROFILES' => 1, 
+        'REDOFILE' => 1, 'RELAYLOG' => 1, 'ROLLBACK' => 1, 'SCHEDULE' => 1, 
+        'SECURITY' => 1, 'SHUTDOWN' => 1, 'SNAPSHOT' => 1, 'SWITCHES' => 1, 
+        'TRIGGERS' => 1, 'TRUNCATE' => 1, 'UNDOFILE' => 1, 'WARNINGS' => 1, 
+        'AGGREGATE' => 1, 'ALGORITHM' => 1, 'COLLATION' => 1, 'COMMITTED' => 1, 
+        'DIRECTORY' => 1, 'DUPLICATE' => 1, 'EXPANSION' => 1, 'IO_THREAD' => 1, 
+        'ISOLATION' => 1, 'NODEGROUP' => 1, 'PACK_KEYS' => 1, 'PARTITION' => 1, 
+        'READ_ONLY' => 1, 'REDUNDANT' => 1, 'SAVEPOINT' => 1, 'SQL_CACHE' => 1, 
+        'TEMPORARY' => 1, 'TEMPTABLE' => 1, 'UNDEFINED' => 1, 'UNINSTALL' => 1, 
+        'VARIABLES' => 1, 
+        'COMPLETION' => 1, 'COMPRESSED' => 1, 'CONCURRENT' => 1, 'CONNECTION' => 1, 
+        'CONSISTENT' => 1, 'DEALLOCATE' => 1, 'GET_FORMAT' => 1, 'IDENTIFIED' => 1, 
+        'LINESTRING' => 1, 'MASTER_SSL' => 1, 'MULTIPOINT' => 1, 'NDBCLUSTER' => 1, 
+        'PARTITIONS' => 1, 'PRIVILEGES' => 1, 'REORGANIZE' => 1, 'REPEATABLE' => 1, 
+        'ROW_FORMAT' => 1, 'SQL_THREAD' => 1, 'TABLESPACE' => 1, 'TABLE_NAME' => 1, 
+        'COLUMN_NAME' => 1, 'CURSOR_NAME' => 1, 'EXTENT_SIZE' => 1, 'FRAC_SECOND' => 1, 
+        'MASTER_HOST' => 1, 'MASTER_PORT' => 1, 'MASTER_USER' => 1, 'MICROSECOND' => 1, 
+        'MYSQL_ERRNO' => 1, 'PROCESSLIST' => 1, 'REPLICATION' => 1, 'SCHEMA_NAME' => 1, 
+        'SQL_TSI_DAY' => 1, 'TRANSACTION' => 1, 'UNCOMMITTED' => 1, 
+        'CATALOG_NAME' => 1, 'CLASS_ORIGIN' => 1, 'CONTRIBUTORS' => 1, 
+        'DES_KEY_FILE' => 1, 'INITIAL_SIZE' => 1, 'MESSAGE_TEXT' => 1, 
+        'MULTIPOLYGON' => 1, 'OLD_PASSWORD' => 1, 'PARTITIONING' => 1, 
+        'RELAY_THREAD' => 1, 'SERIALIZABLE' => 1, 'SQL_NO_CACHE' => 1, 
+        'SQL_TSI_HOUR' => 1, 'SQL_TSI_WEEK' => 1, 'SQL_TSI_YEAR' => 1, 
+        'SUBPARTITION' => 1, 'TIMESTAMPADD' => 1, 
+        'INSERT_METHOD' => 1, 'MASTER_SSL_CA' => 1, 'RELAY_LOG_POS' => 1, 
+        'SQL_TSI_MONTH' => 1, 'SUBPARTITIONS' => 1, 'TIMESTAMPDIFF' => 1, 
+        'AUTO_INCREMENT' => 1, 'AVG_ROW_LENGTH' => 1, 'KEY_BLOCK_SIZE' => 1, 
+        'MASTER_LOG_POS' => 1, 'MASTER_SSL_KEY' => 1, 'RELAY_LOG_FILE' => 1, 
+        'SQL_TSI_MINUTE' => 1, 'SQL_TSI_SECOND' => 1, 'TABLE_CHECKSUM' => 1, 
+        'USER_RESOURCES' => 1, 
+        'AUTOEXTEND_SIZE' => 1, 'CONSTRAINT_NAME' => 1, 'DELAY_KEY_WRITE' => 1, 
+        'MASTER_LOG_FILE' => 1, 'MASTER_PASSWORD' => 1, 'MASTER_SSL_CERT' => 1, 
+        'MULTILINESTRING' => 1, 'SQL_TSI_QUARTER' => 1, 'SUBCLASS_ORIGIN' => 1, 
+        'MASTER_SERVER_ID' => 1, 'REDO_BUFFER_SIZE' => 1, 'UNDO_BUFFER_SIZE' => 1, 
+        'CONSTRAINT_SCHEMA' => 1, 'IGNORE_SERVER_IDS' => 1, 'MASTER_SSL_CAPATH' => 1, 
+        'MASTER_SSL_CIPHER' => 1, 'SQL_BUFFER_RESULT' => 1, 
+        'CONSTRAINT_CATALOG' => 1, 'GEOMETRYCOLLECTION' => 1, 
+        'SQL_TSI_FRAC_SECOND' => 1, 
+        'MASTER_CONNECT_RETRY' => 1, 'MAX_QUERIES_PER_HOUR' => 1, 
+        'MAX_UPDATES_PER_HOUR' => 1, 'MAX_USER_CONNECTIONS' => 1, 
+        'MASTER_HEARTBEAT_PERIOD' => 1, 
+        'MAX_CONNECTIONS_PER_HOUR' => 1, 
 
-        'AT' => 2, 'DO' => 2, 'IO' => 2, 'NO' => 2, 'XA' => 2,
-        'ANY' => 2, 'AVG' => 2, 'BIT' => 2, 'CPU' => 2, 'DAY' => 2, 'END' => 2,
-        'IPC' => 2, 'NDB' => 2, 'NEW' => 2, 'ONE' => 2, 'ROW' => 2, 'XML' => 2,
-        'BOOL' => 2, 'BYTE' => 2, 'CODE' => 2, 'CUBE' => 2, 'DATA' => 2, 'DATE' => 2,
-        'DISK' => 2, 'ENDS' => 2, 'ENUM' => 2, 'FAST' => 2, 'FILE' => 2, 'FULL' => 2,
-        'HASH' => 2, 'HELP' => 2, 'HOST' => 2, 'HOUR' => 2, 'LAST' => 2, 'LESS' => 2,
-        'LIST' => 2, 'LOGS' => 2, 'MODE' => 2, 'NAME' => 2, 'NEXT' => 2, 'NONE' => 2,
-        'OPEN' => 2, 'PAGE' => 2, 'PORT' => 2, 'PREV' => 2, 'ROWS' => 2, 'SLOW' => 2,
-        'SOME' => 2, 'STOP' => 2, 'TEXT' => 2, 'THAN' => 2, 'TIME' => 2, 'TYPE' => 2,
-        'USER' => 2, 'VIEW' => 2, 'WAIT' => 2, 'WEEK' => 2, 'WORK' => 2, 'X509' => 2,
-        'YEAR' => 2,
-        'AFTER' => 2, 'ASCII' => 2, 'BEGIN' => 2, 'BLOCK' => 2, 'BTREE' => 2,
-        'CACHE' => 2, 'CHAIN' => 2, 'CLOSE' => 2, 'ERROR' => 2, 'EVENT' => 2,
-        'EVERY' => 2, 'FIRST' => 2, 'FIXED' => 2, 'FLUSH' => 2, 'FOUND' => 2,
-        'HOSTS' => 2, 'LEVEL' => 2, 'LOCAL' => 2, 'LOCKS' => 2, 'MERGE' => 2,
-        'MONTH' => 2, 'MUTEX' => 2, 'NAMES' => 2, 'NCHAR' => 2, 'OWNER' => 2,
-        'PHASE' => 2, 'POINT' => 2, 'PROXY' => 2, 'QUERY' => 2, 'QUICK' => 2,
-        'RELAY' => 2, 'RESET' => 2, 'RTREE' => 2, 'SHARE' => 2, 'SLAVE' => 2,
-        'START' => 2, 'SUPER' => 2, 'SWAPS' => 2, 'TYPES' => 2, 'UNTIL' => 2,
-        'VALUE' => 2,
-        'ACTION' => 2, 'BACKUP' => 2, 'BINLOG' => 2, 'CIPHER' => 2, 'CLIENT' => 2,
-        'COMMIT' => 2, 'ENABLE' => 2, 'ENGINE' => 2, 'ERRORS' => 2, 'ESCAPE' => 2,
-        'EVENTS' => 2, 'FAULTS' => 2, 'FIELDS' => 2, 'GLOBAL' => 2, 'GRANTS' => 2,
-        'IMPORT' => 2, 'INNODB' => 2, 'ISSUER' => 2, 'LEAVES' => 2, 'MASTER' => 2,
-        'MEDIUM' => 2, 'MEMORY' => 2, 'MINUTE' => 2, 'MODIFY' => 2, 'OFFSET' => 2,
-        'PARSER' => 2, 'PLUGIN' => 2, 'RELOAD' => 2, 'REMOVE' => 2, 'REPAIR' => 2,
-        'RESUME' => 2, 'ROLLUP' => 2, 'SECOND' => 2, 'SERIAL' => 2, 'SERVER' => 2,
-        'SIGNED' => 2, 'SIMPLE' => 2, 'SOCKET' => 2, 'SONAME' => 2, 'SOUNDS' => 2,
-        'SOURCE' => 2, 'STARTS' => 2, 'STATUS' => 2, 'STRING' => 2, 'TABLES' => 2,
-        'AGAINST' => 2, 'AUTHORS' => 2, 'BOOLEAN' => 2, 'CHANGED' => 2, 'CHARSET' => 2,
-        'COLUMNS' => 2, 'COMMENT' => 2, 'COMPACT' => 2, 'CONTEXT' => 2, 'DEFINER' => 2,
-        'DISABLE' => 2, 'DISCARD' => 2, 'DYNAMIC' => 2, 'ENGINES' => 2, 'EXECUTE' => 2,
-        'GENERAL' => 2, 'HANDLER' => 2, 'INDEXES' => 2, 'INSTALL' => 2, 'INVOKER' => 2,
-        'LOGFILE' => 2, 'MIGRATE' => 2, 'NO_WAIT' => 2, 'OPTIONS' => 2, 'PARTIAL' => 2,
-        'PLUGINS' => 2, 'POLYGON' => 2, 'PREPARE' => 2, 'PROFILE' => 2, 'QUARTER' => 2,
-        'REBUILD' => 2, 'RECOVER' => 2, 'RESTORE' => 2, 'RETURNS' => 2, 'ROUTINE' => 2,
-        'SESSION' => 2, 'STORAGE' => 2, 'SUBJECT' => 2, 'SUSPEND' => 2, 'UNICODE' => 2,
-        'UNKNOWN' => 2, 'UPGRADE' => 2, 'USE_FRM' => 2, 'WRAPPER' => 2,
-        'CASCADED' => 2, 'CHECKSUM' => 2, 'COALESCE' => 2, 'CONTAINS' => 2,
-        'DATAFILE' => 2, 'DATETIME' => 2, 'DUMPFILE' => 2, 'EXTENDED' => 2,
-        'FUNCTION' => 2, 'GEOMETRY' => 2, 'INNOBASE' => 2, 'LANGUAGE' => 2,
-        'MAX_ROWS' => 2, 'MAX_SIZE' => 2, 'MIN_ROWS' => 2, 'NATIONAL' => 2,
-        'NVARCHAR' => 2, 'ONE_SHOT' => 2, 'PASSWORD' => 2, 'PRESERVE' => 2,
-        'PROFILES' => 2, 'REDOFILE' => 2, 'RELAYLOG' => 2, 'ROLLBACK' => 2,
-        'SCHEDULE' => 2, 'SECURITY' => 2, 'SHUTDOWN' => 2, 'SNAPSHOT' => 2,
-        'SWITCHES' => 2, 'TRIGGERS' => 2, 'TRUNCATE' => 2, 'UNDOFILE' => 2,
-        'WARNINGS' => 2,
-        'AGGREGATE' => 2, 'ALGORITHM' => 2, 'COLLATION' => 2, 'COMMITTED' => 2,
-        'DIRECTORY' => 2, 'DUPLICATE' => 2, 'EXPANSION' => 2, 'IO_THREAD' => 2,
-        'ISOLATION' => 2, 'NODEGROUP' => 2, 'PACK_KEYS' => 2, 'PARTITION' => 2,
-        'READ_ONLY' => 2, 'REDUNDANT' => 2, 'SAVEPOINT' => 2, 'SQL_CACHE' => 2,
-        'TEMPORARY' => 2, 'TEMPTABLE' => 2, 'TIMESTAMP' => 2, 'UNDEFINED' => 2,
-        'UNINSTALL' => 2, 'VARIABLES' => 2,
-        'COMPLETION' => 2, 'COMPRESSED' => 2, 'CONCURRENT' => 2, 'CONNECTION' => 2,
-        'CONSISTENT' => 2, 'DEALLOCATE' => 2, 'GET_FORMAT' => 2, 'IDENTIFIED' => 2,
-        'LINESTRING' => 2, 'MASTER_SSL' => 2, 'MULTIPOINT' => 2, 'NDBCLUSTER' => 2,
-        'PARTITIONS' => 2, 'PRIVILEGES' => 2, 'REORGANIZE' => 2, 'REPEATABLE' => 2,
-        'ROW_FORMAT' => 2, 'SQL_THREAD' => 2, 'TABLESPACE' => 2, 'TABLE_NAME' => 2,
-        'COLUMN_NAME' => 2, 'CURSOR_NAME' => 2, 'EXTENT_SIZE' => 2, 'FRAC_SECOND' => 2,
-        'MASTER_HOST' => 2, 'MASTER_PORT' => 2, 'MASTER_USER' => 2, 'MICROSECOND' => 2,
-        'MYSQL_ERRNO' => 2, 'PROCESSLIST' => 2, 'REPLICATION' => 2, 'SCHEMA_NAME' => 2,
-        'SQL_TSI_DAY' => 2, 'TRANSACTION' => 2, 'UNCOMMITTED' => 2,
-        'CATALOG_NAME' => 2, 'CLASS_ORIGIN' => 2, 'CONTRIBUTORS' => 2,
-        'DES_KEY_FILE' => 2, 'INITIAL_SIZE' => 2, 'MESSAGE_TEXT' => 2,
-        'MULTIPOLYGON' => 2, 'OLD_PASSWORD' => 2, 'PARTITIONING' => 2,
-        'RELAY_THREAD' => 2, 'SERIALIZABLE' => 2, 'SQL_NO_CACHE' => 2,
-        'SQL_TSI_HOUR' => 2, 'SQL_TSI_WEEK' => 2, 'SQL_TSI_YEAR' => 2,
-        'SUBPARTITION' => 2, 'TIMESTAMPADD' => 2,
-        'INSERT_METHOD' => 2, 'MASTER_SSL_CA' => 2, 'RELAY_LOG_POS' => 2,
-        'SQL_TSI_MONTH' => 2, 'SUBPARTITIONS' => 2, 'TIMESTAMPDIFF' => 2,
-        'AUTO_INCREMENT' => 2, 'AVG_ROW_LENGTH' => 2, 'KEY_BLOCK_SIZE' => 2,
-        'MASTER_LOG_POS' => 2, 'MASTER_SSL_KEY' => 2, 'RELAY_LOG_FILE' => 2,
-        'SQL_TSI_MINUTE' => 2, 'SQL_TSI_SECOND' => 2, 'TABLE_CHECKSUM' => 2,
-        'USER_RESOURCES' => 2,
-        'AUTOEXTEND_SIZE' => 2, 'CONSTRAINT_NAME' => 2, 'DELAY_KEY_WRITE' => 2,
-        'MASTER_LOG_FILE' => 2, 'MASTER_PASSWORD' => 2, 'MASTER_SSL_CERT' => 2,
-        'MULTILINESTRING' => 2, 'SQL_TSI_QUARTER' => 2, 'SUBCLASS_ORIGIN' => 2,
-        'MASTER_SERVER_ID' => 2, 'REDO_BUFFER_SIZE' => 2, 'UNDO_BUFFER_SIZE' => 2,
-        'CONSTRAINT_SCHEMA' => 2, 'IGNORE_SERVER_IDS' => 2, 'MASTER_SSL_CAPATH' => 2,
-        'MASTER_SSL_CIPHER' => 2, 'SQL_BUFFER_RESULT' => 2,
-        'CONSTRAINT_CATALOG' => 2, 'GEOMETRYCOLLECTION' => 2,
-        'SQL_TSI_FRAC_SECOND' => 2,
-        'MASTER_CONNECT_RETRY' => 2, 'MAX_QUERIES_PER_HOUR' => 2,
-        'MAX_UPDATES_PER_HOUR' => 2, 'MAX_USER_CONNECTIONS' => 2,
-        'MASTER_HEARTBEAT_PERIOD' => 2,
-        'MAX_CONNECTIONS_PER_HOUR' => 2,
+        'AS' => 3, 'BY' => 3, 'IF' => 3, 'IN' => 3, 'IS' => 3, 'ON' => 3, 'OR' => 3, 
+        'TO' => 3, 
+        'ADD' => 3, 'ALL' => 3, 'AND' => 3, 'ASC' => 3, 'DEC' => 3, 'DIV' => 3, 
+        'FOR' => 3, 'MOD' => 3, 'NOT' => 3, 'OUT' => 3, 'SQL' => 3, 'SSL' => 3, 
+        'USE' => 3, 'XOR' => 3, 
+        'BOTH' => 3, 'CALL' => 3, 'CASE' => 3, 'DESC' => 3, 'DROP' => 3, 'DUAL' => 3, 
+        'EACH' => 3, 'ELSE' => 3, 'EXIT' => 3, 'FROM' => 3, 'INT1' => 3, 'INT2' => 3, 
+        'INT3' => 3, 'INT4' => 3, 'INT8' => 3, 'INTO' => 3, 'JOIN' => 3, 'KEYS' => 3, 
+        'KILL' => 3, 'LEFT' => 3, 'LIKE' => 3, 'LOAD' => 3, 'LOCK' => 3, 'LONG' => 3, 
+        'LOOP' => 3, 'NULL' => 3, 'READ' => 3, 'SHOW' => 3, 'THEN' => 3, 'TRUE' => 3, 
+        'UNDO' => 3, 'WHEN' => 3, 'WITH' => 3, 
+        'ALTER' => 3, 'CHECK' => 3, 'CROSS' => 3, 'FALSE' => 3, 'FETCH' => 3, 
+        'FORCE' => 3, 'GRANT' => 3, 'GROUP' => 3, 'INNER' => 3, 'INOUT' => 3, 
+        'LEAVE' => 3, 'LIMIT' => 3, 'LINES' => 3, 'MATCH' => 3, 'ORDER' => 3, 
+        'OUTER' => 3, 'PURGE' => 3, 'RANGE' => 3, 'READS' => 3, 'RIGHT' => 3, 
+        'RLIKE' => 3, 'TABLE' => 3, 'UNION' => 3, 'USAGE' => 3, 'USING' => 3, 
+        'WHERE' => 3, 'WHILE' => 3, 'WRITE' => 3, 
+        'BEFORE' => 3, 'CHANGE' => 3, 'COLUMN' => 3, 'CREATE' => 3, 'CURSOR' => 3, 
+        'DELETE' => 3, 'ELSEIF' => 3, 'EXISTS' => 3, 'FLOAT4' => 3, 'FLOAT8' => 3, 
+        'HAVING' => 3, 'IGNORE' => 3, 'INFILE' => 3, 'INSERT' => 3, 'LINEAR' => 3, 
+        'OPTION' => 3, 'REGEXP' => 3, 'RENAME' => 3, 'REPEAT' => 3, 'RETURN' => 3, 
+        'REVOKE' => 3, 'SCHEMA' => 3, 'SELECT' => 3, 'SIGNAL' => 3, 'UNLOCK' => 3, 
+        'UPDATE' => 3, 'VALUES' => 3, 
+        'ANALYZE' => 3, 'BETWEEN' => 3, 'CASCADE' => 3, 'COLLATE' => 3, 'CONVERT' => 3, 
+        'DECLARE' => 3, 'DEFAULT' => 3, 'DELAYED' => 3, 'ESCAPED' => 3, 'EXPLAIN' => 3, 
+        'FOREIGN' => 3, 'ITERATE' => 3, 'LEADING' => 3, 'NATURAL' => 3, 'OUTFILE' => 3, 
+        'PRIMARY' => 3, 'RELEASE' => 3, 'REPLACE' => 3, 'REQUIRE' => 3, 'SCHEMAS' => 3, 
+        'SPATIAL' => 3, 'TRIGGER' => 3, 'VARYING' => 3, 
+        'CONTINUE' => 3, 'DATABASE' => 3, 'DAY_HOUR' => 3, 'DESCRIBE' => 3, 
+        'DISTINCT' => 3, 'ENCLOSED' => 3, 'FULLTEXT' => 3, 'MAXVALUE' => 3, 
+        'MODIFIES' => 3, 'OPTIMIZE' => 3, 'RESIGNAL' => 3, 'RESTRICT' => 3, 
+        'SPECIFIC' => 3, 'SQLSTATE' => 3, 'STARTING' => 3, 'TRAILING' => 3, 
+        'UNSIGNED' => 3, 'UTC_DATE' => 3, 'UTC_TIME' => 3, 'ZEROFILL' => 3, 
+        'CONDITION' => 3, 'DATABASES' => 3, 'LOCALTIME' => 3, 'MIDDLEINT' => 3, 
+        'PRECISION' => 3, 'PROCEDURE' => 3, 'SENSITIVE' => 3, 'SEPARATOR' => 3, 
+        'ACCESSIBLE' => 3, 'ASENSITIVE' => 3, 'CONSTRAINT' => 3, 'DAY_MINUTE' => 3, 
+        'DAY_SECOND' => 3, 'OPTIONALLY' => 3, 'READ_WRITE' => 3, 'REFERENCES' => 3, 
+        'SQLWARNING' => 3, 'TERMINATED' => 3, 'YEAR_MONTH' => 3, 
+        'DISTINCTROW' => 3, 'HOUR_MINUTE' => 3, 'HOUR_SECOND' => 3, 'INSENSITIVE' => 3, 
+        'CURRENT_DATE' => 3, 'CURRENT_TIME' => 3, 'CURRENT_USER' => 3, 
+        'LOW_PRIORITY' => 3, 'SQLEXCEPTION' => 3, 'VARCHARACTER' => 3, 
+        'DETERMINISTIC' => 3, 'HIGH_PRIORITY' => 3, 'MINUTE_SECOND' => 3, 
+        'STRAIGHT_JOIN' => 3, 'UTC_TIMESTAMP' => 3, 
+        'LOCALTIMESTAMP' => 3, 'SQL_BIG_RESULT' => 3, 
+        'DAY_MICROSECOND' => 3, 
+        'HOUR_MICROSECOND' => 3, 'SQL_SMALL_RESULT' => 3, 
+        'CURRENT_TIMESTAMP' => 3, 
+        'MINUTE_MICROSECOND' => 3, 'NO_WRITE_TO_BINLOG' => 3, 'SECOND_MICROSECOND' => 3, 
+        'SQL_CALC_FOUND_ROWS' => 3, 
+        'MASTER_SSL_VERIFY_SERVER_CERT' => 3, 
 
-        'NOT NULL' => 4,
-        'INDEX KEY' => 4,
-        'UNIQUE KEY' => 4,
-        'FOREIGN KEY' => 4, 'PRIMARY KEY' => 4, 'PRIMARY KEY' => 4, 'SPATIAL KEY' => 4,
-        'FULLTEXT KEY' => 4, 'UNIQUE INDEX' => 4,
-        'CHARACTER SET' => 4, 'IF NOT EXISTS' => 4, 'SPATIAL INDEX' => 4,
-        'DATA DIRECTORY' => 4, 'FULLTEXT INDEX' => 4,
-        'DEFAULT COLLATE' => 4, 'INDEX DIRECTORY' => 4,
-        'DEFAULT CHARACTER SET' => 4,
+        'NOT NULL' => 5, 
+        'ON UPDATE' => 5, 
+        'CHARACTER SET' => 5, 'IF NOT EXISTS' => 5, 
+        'DATA DIRECTORY' => 5, 
+        'DEFAULT COLLATE' => 5, 'INDEX DIRECTORY' => 5, 
+        'DEFAULT CHARACTER SET' => 5, 
+
+        'XML' => 9, 
+        'DATE' => 9, 'ENUM' => 9, 'TEXT' => 9, 'TIME' => 9, 'YEAR' => 9, 
+        'ARRAY' => 9, 
+        'BOOLEAN' => 9, 
+        'DATETIME' => 9, 'MULTISET' => 9, 
+        'TIMESTAMP' => 9, 
+
+        'INT' => 11, 'SET' => 11, 
+        'BLOB' => 11, 'CHAR' => 11, 'REAL' => 11, 
+        'FLOAT' => 11, 
+        'BIGINT' => 11, 'BINARY' => 11, 'DOUBLE' => 11, 
+        'DECIMAL' => 11, 'INTEGER' => 11, 'NUMERIC' => 11, 'TINYINT' => 11, 'VARCHAR' => 11, 
+        'INTERVAL' => 11, 'LONGBLOB' => 11, 'LONGTEXT' => 11, 'SMALLINT' => 11, 
+        'TINYBLOB' => 11, 'TINYTEXT' => 11, 
+        'CHARACTER' => 11, 'MEDIUMINT' => 11, 'VARBINARY' => 11, 
+        'MEDIUMBLOB' => 11, 'MEDIUMTEXT' => 11, 
+
+        'BINARY VARYING' => 13, 
+
+        'KEY' => 19, 
+        'INDEX' => 19, 
+        'UNIQUE' => 19, 
+
+        'INDEX KEY' => 21, 
+        'UNIQUE KEY' => 21, 
+        'FOREIGN KEY' => 21, 'PRIMARY KEY' => 21, 'SPATIAL KEY' => 21, 
+        'FULLTEXT KEY' => 21, 'UNIQUE INDEX' => 21, 
+        'SPATIAL INDEX' => 21, 
+        'FULLTEXT INDEX' => 21, 
 
     );
 }
diff --git a/src/Contexts/ContextMySql50600.php b/src/Contexts/ContextMySql50600.php
index b465026..1fad4fa 100644
--- a/src/Contexts/ContextMySql50600.php
+++ b/src/Contexts/ContextMySql50600.php
@@ -18,182 +18,189 @@ class ContextMySql50600 extends Context
 
     public static $KEYWORDS = array(
 
-        'AS' => 1, 'BY' => 1, 'IF' => 1, 'IN' => 1, 'IS' => 1,
-        'ON' => 1, 'OR' => 1, 'TO' => 1,
-        'ADD' => 1, 'ALL' => 1, 'AND' => 1, 'ASC' => 1, 'DEC' => 1,
-        'DIV' => 1, 'FOR' => 1, 'GET' => 1, 'INT' => 1, 'KEY' => 1,
-        'MOD' => 1, 'NOT' => 1, 'OUT' => 1, 'SET' => 1, 'SQL' => 1,
-        'SSL' => 1, 'USE' => 1, 'XOR' => 1,
-        'BLOB' => 1, 'BOTH' => 1, 'CALL' => 1, 'CASE' => 1,
-        'CHAR' => 1, 'DESC' => 1, 'DROP' => 1, 'DUAL' => 1,
-        'EACH' => 1, 'ELSE' => 1, 'EXIT' => 1, 'FROM' => 1,
-        'INT1' => 1, 'INT2' => 1, 'INT3' => 1, 'INT4' => 1,
-        'INT8' => 1, 'INTO' => 1, 'JOIN' => 1, 'KEYS' => 1,
-        'KILL' => 1, 'LEFT' => 1, 'LIKE' => 1, 'LOAD' => 1,
-        'LOCK' => 1, 'LONG' => 1, 'LOOP' => 1, 'NULL' => 1,
-        'READ' => 1, 'REAL' => 1, 'SHOW' => 1, 'THEN' => 1,
-        'TRUE' => 1, 'UNDO' => 1, 'WHEN' => 1, 'WITH' => 1,
-        'ALTER' => 1, 'CHECK' => 1, 'CROSS' => 1, 'FALSE' => 1,
-        'FETCH' => 1, 'FLOAT' => 1, 'FORCE' => 1, 'GRANT' => 1,
-        'GROUP' => 1, 'INDEX' => 1, 'INNER' => 1, 'INOUT' => 1,
-        'LEAVE' => 1, 'LIMIT' => 1, 'LINES' => 1, 'MATCH' => 1,
-        'ORDER' => 1, 'OUTER' => 1, 'PURGE' => 1, 'RANGE' => 1,
-        'READS' => 1, 'RIGHT' => 1, 'RLIKE' => 1, 'TABLE' => 1,
-        'UNION' => 1, 'USAGE' => 1, 'USING' => 1, 'WHERE' => 1,
-        'WHILE' => 1, 'WRITE' => 1,
-        'BEFORE' => 1, 'BIGINT' => 1, 'BINARY' => 1, 'CHANGE' => 1,
-        'COLUMN' => 1, 'CREATE' => 1, 'CURSOR' => 1, 'DELETE' => 1,
-        'DOUBLE' => 1, 'ELSEIF' => 1, 'EXISTS' => 1, 'FLOAT4' => 1,
-        'FLOAT8' => 1, 'HAVING' => 1, 'IGNORE' => 1, 'INFILE' => 1,
-        'INSERT' => 1, 'LINEAR' => 1, 'OPTION' => 1, 'REGEXP' => 1,
-        'RENAME' => 1, 'REPEAT' => 1, 'RETURN' => 1, 'REVOKE' => 1,
-        'SCHEMA' => 1, 'SELECT' => 1, 'SIGNAL' => 1, 'UNIQUE' => 1,
-        'UNLOCK' => 1, 'UPDATE' => 1, 'VALUES' => 1,
-        'ANALYZE' => 1, 'BETWEEN' => 1, 'CASCADE' => 1, 'COLLATE' => 1,
-        'CONVERT' => 1, 'DECIMAL' => 1, 'DECLARE' => 1, 'DEFAULT' => 1,
-        'DELAYED' => 1, 'ESCAPED' => 1, 'EXPLAIN' => 1, 'FOREIGN' => 1,
-        'INTEGER' => 1, 'ITERATE' => 1, 'LEADING' => 1, 'NATURAL' => 1,
-        'NUMERIC' => 1, 'OUTFILE' => 1, 'PRIMARY' => 1, 'RELEASE' => 1,
-        'REPLACE' => 1, 'REQUIRE' => 1, 'SCHEMAS' => 1, 'SPATIAL' => 1,
-        'TINYINT' => 1, 'TRIGGER' => 1, 'VARCHAR' => 1, 'VARYING' => 1,
-        'CONTINUE' => 1, 'DATABASE' => 1, 'DAY_HOUR' => 1,
-        'DESCRIBE' => 1, 'DISTINCT' => 1, 'ENCLOSED' => 1,
-        'FULLTEXT' => 1, 'INTERVAL' => 1, 'LONGBLOB' => 1,
-        'LONGTEXT' => 1, 'MAXVALUE' => 1, 'MODIFIES' => 1,
-        'OPTIMIZE' => 1, 'RESIGNAL' => 1, 'RESTRICT' => 1,
-        'SMALLINT' => 1, 'SPECIFIC' => 1, 'SQLSTATE' => 1,
-        'STARTING' => 1, 'TINYBLOB' => 1, 'TINYTEXT' => 1,
-        'TRAILING' => 1, 'UNSIGNED' => 1, 'UTC_DATE' => 1,
-        'UTC_TIME' => 1, 'ZEROFILL' => 1,
-        'CHARACTER' => 1, 'CONDITION' => 1, 'DATABASES' => 1,
-        'LOCALTIME' => 1, 'MEDIUMINT' => 1, 'MIDDLEINT' => 1,
-        'PARTITION' => 1, 'PRECISION' => 1, 'PROCEDURE' => 1,
-        'SENSITIVE' => 1, 'SEPARATOR' => 1, 'VARBINARY' => 1,
-        'ACCESSIBLE' => 1, 'ASENSITIVE' => 1, 'CONSTRAINT' => 1,
-        'DAY_MINUTE' => 1, 'DAY_SECOND' => 1, 'MEDIUMBLOB' => 1,
-        'MEDIUMTEXT' => 1, 'OPTIONALLY' => 1, 'READ_WRITE' => 1,
-        'REFERENCES' => 1, 'SQLWARNING' => 1, 'TERMINATED' => 1,
-        'YEAR_MONTH' => 1,
-        'DISTINCTROW' => 1, 'HOUR_MINUTE' => 1, 'HOUR_SECOND' => 1,
-        'INSENSITIVE' => 1, 'MASTER_BIND' => 1,
-        'CURRENT_DATE' => 1, 'CURRENT_TIME' => 1, 'CURRENT_USER' => 1,
-        'LOW_PRIORITY' => 1, 'SQLEXCEPTION' => 1, 'VARCHARACTER' => 1,
-        'DETERMINISTIC' => 1, 'HIGH_PRIORITY' => 1, 'MINUTE_SECOND' => 1,
-        'STRAIGHT_JOIN' => 1, 'UTC_TIMESTAMP' => 1,
-        'IO_AFTER_GTIDS' => 1, 'LOCALTIMESTAMP' => 1, 'SQL_BIG_RESULT' => 1,
-        'DAY_MICROSECOND' => 1, 'IO_BEFORE_GTIDS' => 1,
-        'HOUR_MICROSECOND' => 1, 'SQL_SMALL_RESULT' => 1,
-        'CURRENT_TIMESTAMP' => 1,
-        'MINUTE_MICROSECOND' => 1, 'NO_WRITE_TO_BINLOG' => 1,
-        'SECOND_MICROSECOND' => 1,
-        'SQL_CALC_FOUND_ROWS' => 1,
-        'MASTER_SSL_VERIFY_SERVER_CERT' => 1,
+        'AT' => 1, 'DO' => 1, 'IO' => 1, 'NO' => 1, 'XA' => 1, 
+        'ANY' => 1, 'AVG' => 1, 'BIT' => 1, 'CPU' => 1, 'DAY' => 1, 'END' => 1, 
+        'IPC' => 1, 'NDB' => 1, 'NEW' => 1, 'ONE' => 1, 'ROW' => 1, 
+        'BOOL' => 1, 'BYTE' => 1, 'CODE' => 1, 'CUBE' => 1, 'DATA' => 1, 'DISK' => 1, 
+        'ENDS' => 1, 'FAST' => 1, 'FILE' => 1, 'FULL' => 1, 'HASH' => 1, 'HELP' => 1, 
+        'HOST' => 1, 'HOUR' => 1, 'LAST' => 1, 'LESS' => 1, 'LIST' => 1, 'LOGS' => 1, 
+        'MODE' => 1, 'NAME' => 1, 'NEXT' => 1, 'NONE' => 1, 'ONLY' => 1, 'OPEN' => 1, 
+        'PAGE' => 1, 'PORT' => 1, 'PREV' => 1, 'ROWS' => 1, 'SLOW' => 1, 'SOME' => 1, 
+        'STOP' => 1, 'THAN' => 1, 'TYPE' => 1, 'USER' => 1, 'VIEW' => 1, 'WAIT' => 1, 
+        'WEEK' => 1, 'WORK' => 1, 'X509' => 1, 
+        'AFTER' => 1, 'ASCII' => 1, 'BEGIN' => 1, 'BLOCK' => 1, 'BTREE' => 1, 
+        'CACHE' => 1, 'CHAIN' => 1, 'CLOSE' => 1, 'ERROR' => 1, 'EVENT' => 1, 
+        'EVERY' => 1, 'FIRST' => 1, 'FIXED' => 1, 'FLUSH' => 1, 'FOUND' => 1, 
+        'HOSTS' => 1, 'LEVEL' => 1, 'LOCAL' => 1, 'LOCKS' => 1, 'MERGE' => 1, 
+        'MONTH' => 1, 'MUTEX' => 1, 'NAMES' => 1, 'NCHAR' => 1, 'OWNER' => 1, 
+        'PHASE' => 1, 'POINT' => 1, 'PROXY' => 1, 'QUERY' => 1, 'QUICK' => 1, 
+        'RELAY' => 1, 'RESET' => 1, 'RTREE' => 1, 'SHARE' => 1, 'SLAVE' => 1, 
+        'START' => 1, 'SUPER' => 1, 'SWAPS' => 1, 'TYPES' => 1, 'UNTIL' => 1, 
+        'VALUE' => 1, 
+        'ACTION' => 1, 'BACKUP' => 1, 'BINLOG' => 1, 'CIPHER' => 1, 'CLIENT' => 1, 
+        'COMMIT' => 1, 'ENABLE' => 1, 'ENGINE' => 1, 'ERRORS' => 1, 'ESCAPE' => 1, 
+        'EVENTS' => 1, 'EXPIRE' => 1, 'EXPORT' => 1, 'FAULTS' => 1, 'FIELDS' => 1, 
+        'FORMAT' => 1, 'GLOBAL' => 1, 'GRANTS' => 1, 'IMPORT' => 1, 'ISSUER' => 1, 
+        'LEAVES' => 1, 'MASTER' => 1, 'MEDIUM' => 1, 'MEMORY' => 1, 'MINUTE' => 1, 
+        'MODIFY' => 1, 'NUMBER' => 1, 'OFFSET' => 1, 'PARSER' => 1, 'PLUGIN' => 1, 
+        'RELOAD' => 1, 'REMOVE' => 1, 'REPAIR' => 1, 'RESUME' => 1, 'ROLLUP' => 1, 
+        'SECOND' => 1, 'SERIAL' => 1, 'SERVER' => 1, 'SIGNED' => 1, 'SIMPLE' => 1, 
+        'SOCKET' => 1, 'SONAME' => 1, 'SOUNDS' => 1, 'SOURCE' => 1, 'STARTS' => 1, 
+        'STATUS' => 1, 'STRING' => 1, 'TABLES' => 1, 
+        'AGAINST' => 1, 'ANALYSE' => 1, 'AUTHORS' => 1, 'CHANGED' => 1, 'CHARSET' => 1, 
+        'COLUMNS' => 1, 'COMMENT' => 1, 'COMPACT' => 1, 'CONTEXT' => 1, 'CURRENT' => 1, 
+        'DEFINER' => 1, 'DISABLE' => 1, 'DISCARD' => 1, 'DYNAMIC' => 1, 'ENGINES' => 1, 
+        'EXECUTE' => 1, 'GENERAL' => 1, 'HANDLER' => 1, 'INDEXES' => 1, 'INSTALL' => 1, 
+        'INVOKER' => 1, 'LOGFILE' => 1, 'MIGRATE' => 1, 'NO_WAIT' => 1, 'OPTIONS' => 1, 
+        'PARTIAL' => 1, 'PLUGINS' => 1, 'POLYGON' => 1, 'PREPARE' => 1, 'PROFILE' => 1, 
+        'QUARTER' => 1, 'REBUILD' => 1, 'RECOVER' => 1, 'RESTORE' => 1, 'RETURNS' => 1, 
+        'REVERSE' => 1, 'ROUTINE' => 1, 'SESSION' => 1, 'STORAGE' => 1, 'SUBJECT' => 1, 
+        'SUSPEND' => 1, 'UNICODE' => 1, 'UNKNOWN' => 1, 'UPGRADE' => 1, 'USE_FRM' => 1, 
+        'WRAPPER' => 1, 
+        'CASCADED' => 1, 'CHECKSUM' => 1, 'COALESCE' => 1, 'CONTAINS' => 1, 
+        'DATAFILE' => 1, 'DUMPFILE' => 1, 'EXCHANGE' => 1, 'EXTENDED' => 1, 
+        'FUNCTION' => 1, 'GEOMETRY' => 1, 'LANGUAGE' => 1, 'MAX_ROWS' => 1, 
+        'MAX_SIZE' => 1, 'MIN_ROWS' => 1, 'NATIONAL' => 1, 'NVARCHAR' => 1, 
+        'ONE_SHOT' => 1, 'PASSWORD' => 1, 'PRESERVE' => 1, 'PROFILES' => 1, 
+        'REDOFILE' => 1, 'RELAYLOG' => 1, 'ROLLBACK' => 1, 'SCHEDULE' => 1, 
+        'SECURITY' => 1, 'SHUTDOWN' => 1, 'SNAPSHOT' => 1, 'SWITCHES' => 1, 
+        'TRIGGERS' => 1, 'TRUNCATE' => 1, 'UNDOFILE' => 1, 'WARNINGS' => 1, 
+        'AGGREGATE' => 1, 'ALGORITHM' => 1, 'COLLATION' => 1, 'COMMITTED' => 1, 
+        'DIRECTORY' => 1, 'DUPLICATE' => 1, 'EXPANSION' => 1, 'IO_THREAD' => 1, 
+        'ISOLATION' => 1, 'NODEGROUP' => 1, 'PACK_KEYS' => 1, 'READ_ONLY' => 1, 
+        'REDUNDANT' => 1, 'ROW_COUNT' => 1, 'SAVEPOINT' => 1, 'SQL_CACHE' => 1, 
+        'TEMPORARY' => 1, 'TEMPTABLE' => 1, 'UNDEFINED' => 1, 'UNINSTALL' => 1, 
+        'VARIABLES' => 1, 
+        'COMPLETION' => 1, 'COMPRESSED' => 1, 'CONCURRENT' => 1, 'CONNECTION' => 1, 
+        'CONSISTENT' => 1, 'DEALLOCATE' => 1, 'GET_FORMAT' => 1, 'IDENTIFIED' => 1, 
+        'LINESTRING' => 1, 'MASTER_SSL' => 1, 'MULTIPOINT' => 1, 'NDBCLUSTER' => 1, 
+        'PARTITIONS' => 1, 'PLUGIN_DIR' => 1, 'PRIVILEGES' => 1, 'REORGANIZE' => 1, 
+        'REPEATABLE' => 1, 'ROW_FORMAT' => 1, 'SQL_THREAD' => 1, 'TABLESPACE' => 1, 
+        'TABLE_NAME' => 1, 
+        'COLUMN_NAME' => 1, 'CURSOR_NAME' => 1, 'DIAGNOSTICS' => 1, 'EXTENT_SIZE' => 1, 
+        'MASTER_HOST' => 1, 'MASTER_PORT' => 1, 'MASTER_USER' => 1, 'MICROSECOND' => 1, 
+        'MYSQL_ERRNO' => 1, 'PROCESSLIST' => 1, 'REPLICATION' => 1, 'SCHEMA_NAME' => 1, 
+        'SQL_TSI_DAY' => 1, 'TRANSACTION' => 1, 'UNCOMMITTED' => 1, 
+        'CATALOG_NAME' => 1, 'CLASS_ORIGIN' => 1, 'CONTRIBUTORS' => 1, 
+        'DEFAULT_AUTH' => 1, 'DES_KEY_FILE' => 1, 'INITIAL_SIZE' => 1, 
+        'MASTER_DELAY' => 1, 'MESSAGE_TEXT' => 1, 'MULTIPOLYGON' => 1, 
+        'OLD_PASSWORD' => 1, 'PARTITIONING' => 1, 'RELAY_THREAD' => 1, 
+        'SERIALIZABLE' => 1, 'SQL_NO_CACHE' => 1, 'SQL_TSI_HOUR' => 1, 
+        'SQL_TSI_WEEK' => 1, 'SQL_TSI_YEAR' => 1, 'SUBPARTITION' => 1, 
+        'TIMESTAMPADD' => 1, 
+        'COLUMN_FORMAT' => 1, 'INSERT_METHOD' => 1, 'MASTER_SSL_CA' => 1, 
+        'RELAY_LOG_POS' => 1, 'SQL_TSI_MONTH' => 1, 'SUBPARTITIONS' => 1, 
+        'TIMESTAMPDIFF' => 1, 'WEIGHT_STRING' => 1, 
+        'AUTO_INCREMENT' => 1, 'AVG_ROW_LENGTH' => 1, 'KEY_BLOCK_SIZE' => 1, 
+        'MASTER_LOG_POS' => 1, 'MASTER_SSL_CRL' => 1, 'MASTER_SSL_KEY' => 1, 
+        'RELAY_LOG_FILE' => 1, 'SQL_TSI_MINUTE' => 1, 'SQL_TSI_SECOND' => 1, 
+        'TABLE_CHECKSUM' => 1, 'USER_RESOURCES' => 1, 
+        'AUTOEXTEND_SIZE' => 1, 'CONSTRAINT_NAME' => 1, 'DELAY_KEY_WRITE' => 1, 
+        'MASTER_LOG_FILE' => 1, 'MASTER_PASSWORD' => 1, 'MASTER_SSL_CERT' => 1, 
+        'MULTILINESTRING' => 1, 'SQL_AFTER_GTIDS' => 1, 'SQL_TSI_QUARTER' => 1, 
+        'SUBCLASS_ORIGIN' => 1, 
+        'MASTER_SERVER_ID' => 1, 'REDO_BUFFER_SIZE' => 1, 'SQL_BEFORE_GTIDS' => 1, 
+        'STATS_PERSISTENT' => 1, 'UNDO_BUFFER_SIZE' => 1, 
+        'CONSTRAINT_SCHEMA' => 1, 'IGNORE_SERVER_IDS' => 1, 'MASTER_SSL_CAPATH' => 1, 
+        'MASTER_SSL_CIPHER' => 1, 'RETURNED_SQLSTATE' => 1, 'SQL_BUFFER_RESULT' => 1, 
+        'STATS_AUTO_RECALC' => 1, 
+        'CONSTRAINT_CATALOG' => 1, 'GEOMETRYCOLLECTION' => 1, 'MASTER_RETRY_COUNT' => 1, 
+        'MASTER_SSL_CRLPATH' => 1, 'SQL_AFTER_MTS_GAPS' => 1, 'STATS_SAMPLE_PAGES' => 1, 
+        'MASTER_AUTO_POSITION' => 1, 'MASTER_CONNECT_RETRY' => 1, 
+        'MAX_QUERIES_PER_HOUR' => 1, 'MAX_UPDATES_PER_HOUR' => 1, 
+        'MAX_USER_CONNECTIONS' => 1, 
+        'MASTER_HEARTBEAT_PERIOD' => 1, 
+        'MAX_CONNECTIONS_PER_HOUR' => 1, 
 
-        'AT' => 2, 'DO' => 2, 'IO' => 2, 'NO' => 2, 'XA' => 2,
-        'ANY' => 2, 'AVG' => 2, 'BIT' => 2, 'CPU' => 2, 'DAY' => 2, 'END' => 2,
-        'IPC' => 2, 'NDB' => 2, 'NEW' => 2, 'ONE' => 2, 'ROW' => 2, 'XML' => 2,
-        'BOOL' => 2, 'BYTE' => 2, 'CODE' => 2, 'CUBE' => 2, 'DATA' => 2, 'DATE' => 2,
-        'DISK' => 2, 'ENDS' => 2, 'ENUM' => 2, 'FAST' => 2, 'FILE' => 2, 'FULL' => 2,
-        'HASH' => 2, 'HELP' => 2, 'HOST' => 2, 'HOUR' => 2, 'LAST' => 2, 'LESS' => 2,
-        'LIST' => 2, 'LOGS' => 2, 'MODE' => 2, 'NAME' => 2, 'NEXT' => 2, 'NONE' => 2,
-        'ONLY' => 2, 'OPEN' => 2, 'PAGE' => 2, 'PORT' => 2, 'PREV' => 2, 'ROWS' => 2,
-        'SLOW' => 2, 'SOME' => 2, 'STOP' => 2, 'TEXT' => 2, 'THAN' => 2, 'TIME' => 2,
-        'TYPE' => 2, 'USER' => 2, 'VIEW' => 2, 'WAIT' => 2, 'WEEK' => 2, 'WORK' => 2,
-        'X509' => 2, 'YEAR' => 2,
-        'AFTER' => 2, 'ASCII' => 2, 'BEGIN' => 2, 'BLOCK' => 2, 'BTREE' => 2,
-        'CACHE' => 2, 'CHAIN' => 2, 'CLOSE' => 2, 'ERROR' => 2, 'EVENT' => 2,
-        'EVERY' => 2, 'FIRST' => 2, 'FIXED' => 2, 'FLUSH' => 2, 'FOUND' => 2,
-        'HOSTS' => 2, 'LEVEL' => 2, 'LOCAL' => 2, 'LOCKS' => 2, 'MERGE' => 2,
-        'MONTH' => 2, 'MUTEX' => 2, 'NAMES' => 2, 'NCHAR' => 2, 'OWNER' => 2,
-        'PHASE' => 2, 'POINT' => 2, 'PROXY' => 2, 'QUERY' => 2, 'QUICK' => 2,
-        'RELAY' => 2, 'RESET' => 2, 'RTREE' => 2, 'SHARE' => 2, 'SLAVE' => 2,
-        'START' => 2, 'SUPER' => 2, 'SWAPS' => 2, 'TYPES' => 2, 'UNTIL' => 2,
-        'VALUE' => 2,
-        'ACTION' => 2, 'BACKUP' => 2, 'BINLOG' => 2, 'CIPHER' => 2, 'CLIENT' => 2,
-        'COMMIT' => 2, 'ENABLE' => 2, 'ENGINE' => 2, 'ERRORS' => 2, 'ESCAPE' => 2,
-        'EVENTS' => 2, 'EXPIRE' => 2, 'EXPORT' => 2, 'FAULTS' => 2, 'FIELDS' => 2,
-        'FORMAT' => 2, 'GLOBAL' => 2, 'GRANTS' => 2, 'IMPORT' => 2, 'ISSUER' => 2,
-        'LEAVES' => 2, 'MASTER' => 2, 'MEDIUM' => 2, 'MEMORY' => 2, 'MINUTE' => 2,
-        'MODIFY' => 2, 'NUMBER' => 2, 'OFFSET' => 2, 'PARSER' => 2, 'PLUGIN' => 2,
-        'RELOAD' => 2, 'REMOVE' => 2, 'REPAIR' => 2, 'RESUME' => 2, 'ROLLUP' => 2,
-        'SECOND' => 2, 'SERIAL' => 2, 'SERVER' => 2, 'SIGNED' => 2, 'SIMPLE' => 2,
-        'SOCKET' => 2, 'SONAME' => 2, 'SOUNDS' => 2, 'SOURCE' => 2, 'STARTS' => 2,
-        'STATUS' => 2, 'STRING' => 2, 'TABLES' => 2,
-        'AGAINST' => 2, 'ANALYSE' => 2, 'AUTHORS' => 2, 'BOOLEAN' => 2, 'CHANGED' => 2,
-        'CHARSET' => 2, 'COLUMNS' => 2, 'COMMENT' => 2, 'COMPACT' => 2, 'CONTEXT' => 2,
-        'CURRENT' => 2, 'DEFINER' => 2, 'DISABLE' => 2, 'DISCARD' => 2, 'DYNAMIC' => 2,
-        'ENGINES' => 2, 'EXECUTE' => 2, 'GENERAL' => 2, 'HANDLER' => 2, 'INDEXES' => 2,
-        'INSTALL' => 2, 'INVOKER' => 2, 'LOGFILE' => 2, 'MIGRATE' => 2, 'NO_WAIT' => 2,
-        'OPTIONS' => 2, 'PARTIAL' => 2, 'PLUGINS' => 2, 'POLYGON' => 2, 'PREPARE' => 2,
-        'PROFILE' => 2, 'QUARTER' => 2, 'REBUILD' => 2, 'RECOVER' => 2, 'RESTORE' => 2,
-        'RETURNS' => 2, 'REVERSE' => 2, 'ROUTINE' => 2, 'SESSION' => 2, 'STORAGE' => 2,
-        'SUBJECT' => 2, 'SUSPEND' => 2, 'UNICODE' => 2, 'UNKNOWN' => 2, 'UPGRADE' => 2,
-        'USE_FRM' => 2, 'WRAPPER' => 2,
-        'CASCADED' => 2, 'CHECKSUM' => 2, 'COALESCE' => 2, 'CONTAINS' => 2,
-        'DATAFILE' => 2, 'DATETIME' => 2, 'DUMPFILE' => 2, 'EXCHANGE' => 2,
-        'EXTENDED' => 2, 'FUNCTION' => 2, 'GEOMETRY' => 2, 'LANGUAGE' => 2,
-        'MAX_ROWS' => 2, 'MAX_SIZE' => 2, 'MIN_ROWS' => 2, 'NATIONAL' => 2,
-        'NVARCHAR' => 2, 'ONE_SHOT' => 2, 'PASSWORD' => 2, 'PRESERVE' => 2,
-        'PROFILES' => 2, 'REDOFILE' => 2, 'RELAYLOG' => 2, 'ROLLBACK' => 2,
-        'SCHEDULE' => 2, 'SECURITY' => 2, 'SHUTDOWN' => 2, 'SNAPSHOT' => 2,
-        'SWITCHES' => 2, 'TRIGGERS' => 2, 'TRUNCATE' => 2, 'UNDOFILE' => 2,
-        'WARNINGS' => 2,
-        'AGGREGATE' => 2, 'ALGORITHM' => 2, 'COLLATION' => 2, 'COMMITTED' => 2,
-        'DIRECTORY' => 2, 'DUPLICATE' => 2, 'EXPANSION' => 2, 'IO_THREAD' => 2,
-        'ISOLATION' => 2, 'NODEGROUP' => 2, 'PACK_KEYS' => 2, 'READ_ONLY' => 2,
-        'REDUNDANT' => 2, 'ROW_COUNT' => 2, 'SAVEPOINT' => 2, 'SQL_CACHE' => 2,
-        'TEMPORARY' => 2, 'TEMPTABLE' => 2, 'TIMESTAMP' => 2, 'UNDEFINED' => 2,
-        'UNINSTALL' => 2, 'VARIABLES' => 2,
-        'COMPLETION' => 2, 'COMPRESSED' => 2, 'CONCURRENT' => 2, 'CONNECTION' => 2,
-        'CONSISTENT' => 2, 'DEALLOCATE' => 2, 'GET_FORMAT' => 2, 'IDENTIFIED' => 2,
-        'LINESTRING' => 2, 'MASTER_SSL' => 2, 'MULTIPOINT' => 2, 'NDBCLUSTER' => 2,
-        'PARTITIONS' => 2, 'PLUGIN_DIR' => 2, 'PRIVILEGES' => 2, 'REORGANIZE' => 2,
-        'REPEATABLE' => 2, 'ROW_FORMAT' => 2, 'SQL_THREAD' => 2, 'TABLESPACE' => 2,
-        'TABLE_NAME' => 2,
-        'COLUMN_NAME' => 2, 'CURSOR_NAME' => 2, 'DIAGNOSTICS' => 2, 'EXTENT_SIZE' => 2,
-        'MASTER_HOST' => 2, 'MASTER_PORT' => 2, 'MASTER_USER' => 2, 'MICROSECOND' => 2,
-        'MYSQL_ERRNO' => 2, 'PROCESSLIST' => 2, 'REPLICATION' => 2, 'SCHEMA_NAME' => 2,
-        'SQL_TSI_DAY' => 2, 'TRANSACTION' => 2, 'UNCOMMITTED' => 2,
-        'CATALOG_NAME' => 2, 'CLASS_ORIGIN' => 2, 'CONTRIBUTORS' => 2,
-        'DEFAULT_AUTH' => 2, 'DES_KEY_FILE' => 2, 'INITIAL_SIZE' => 2,
-        'MASTER_DELAY' => 2, 'MESSAGE_TEXT' => 2, 'MULTIPOLYGON' => 2,
-        'OLD_PASSWORD' => 2, 'PARTITIONING' => 2, 'RELAY_THREAD' => 2,
-        'SERIALIZABLE' => 2, 'SQL_NO_CACHE' => 2, 'SQL_TSI_HOUR' => 2,
-        'SQL_TSI_WEEK' => 2, 'SQL_TSI_YEAR' => 2, 'SUBPARTITION' => 2,
-        'TIMESTAMPADD' => 2,
-        'COLUMN_FORMAT' => 2, 'INSERT_METHOD' => 2, 'MASTER_SSL_CA' => 2,
-        'RELAY_LOG_POS' => 2, 'SQL_TSI_MONTH' => 2, 'SUBPARTITIONS' => 2,
-        'TIMESTAMPDIFF' => 2, 'WEIGHT_STRING' => 2,
-        'AUTO_INCREMENT' => 2, 'AVG_ROW_LENGTH' => 2, 'KEY_BLOCK_SIZE' => 2,
-        'MASTER_LOG_POS' => 2, 'MASTER_SSL_CRL' => 2, 'MASTER_SSL_KEY' => 2,
-        'RELAY_LOG_FILE' => 2, 'SQL_TSI_MINUTE' => 2, 'SQL_TSI_SECOND' => 2,
-        'TABLE_CHECKSUM' => 2, 'USER_RESOURCES' => 2,
-        'AUTOEXTEND_SIZE' => 2, 'CONSTRAINT_NAME' => 2, 'DELAY_KEY_WRITE' => 2,
-        'MASTER_LOG_FILE' => 2, 'MASTER_PASSWORD' => 2, 'MASTER_SSL_CERT' => 2,
-        'MULTILINESTRING' => 2, 'SQL_AFTER_GTIDS' => 2, 'SQL_TSI_QUARTER' => 2,
-        'SUBCLASS_ORIGIN' => 2,
-        'MASTER_SERVER_ID' => 2, 'REDO_BUFFER_SIZE' => 2, 'SQL_BEFORE_GTIDS' => 2,
-        'STATS_PERSISTENT' => 2, 'UNDO_BUFFER_SIZE' => 2,
-        'CONSTRAINT_SCHEMA' => 2, 'IGNORE_SERVER_IDS' => 2, 'MASTER_SSL_CAPATH' => 2,
-        'MASTER_SSL_CIPHER' => 2, 'RETURNED_SQLSTATE' => 2, 'SQL_BUFFER_RESULT' => 2,
-        'STATS_AUTO_RECALC' => 2,
-        'CONSTRAINT_CATALOG' => 2, 'GEOMETRYCOLLECTION' => 2, 'MASTER_RETRY_COUNT' => 2,
-        'MASTER_SSL_CRLPATH' => 2, 'SQL_AFTER_MTS_GAPS' => 2, 'STATS_SAMPLE_PAGES' => 2,
-        'MASTER_AUTO_POSITION' => 2, 'MASTER_CONNECT_RETRY' => 2,
-        'MAX_QUERIES_PER_HOUR' => 2, 'MAX_UPDATES_PER_HOUR' => 2,
-        'MAX_USER_CONNECTIONS' => 2,
-        'MASTER_HEARTBEAT_PERIOD' => 2,
-        'MAX_CONNECTIONS_PER_HOUR' => 2,
+        'AS' => 3, 'BY' => 3, 'IF' => 3, 'IN' => 3, 'IS' => 3, 'ON' => 3, 'OR' => 3, 
+        'TO' => 3, 
+        'ADD' => 3, 'ALL' => 3, 'AND' => 3, 'ASC' => 3, 'DEC' => 3, 'DIV' => 3, 
+        'FOR' => 3, 'GET' => 3, 'MOD' => 3, 'NOT' => 3, 'OUT' => 3, 'SQL' => 3, 
+        'SSL' => 3, 'USE' => 3, 'XOR' => 3, 
+        'BOTH' => 3, 'CALL' => 3, 'CASE' => 3, 'DESC' => 3, 'DROP' => 3, 'DUAL' => 3, 
+        'EACH' => 3, 'ELSE' => 3, 'EXIT' => 3, 'FROM' => 3, 'INT1' => 3, 'INT2' => 3, 
+        'INT3' => 3, 'INT4' => 3, 'INT8' => 3, 'INTO' => 3, 'JOIN' => 3, 'KEYS' => 3, 
+        'KILL' => 3, 'LEFT' => 3, 'LIKE' => 3, 'LOAD' => 3, 'LOCK' => 3, 'LONG' => 3, 
+        'LOOP' => 3, 'NULL' => 3, 'READ' => 3, 'SHOW' => 3, 'THEN' => 3, 'TRUE' => 3, 
+        'UNDO' => 3, 'WHEN' => 3, 'WITH' => 3, 
+        'ALTER' => 3, 'CHECK' => 3, 'CROSS' => 3, 'FALSE' => 3, 'FETCH' => 3, 
+        'FORCE' => 3, 'GRANT' => 3, 'GROUP' => 3, 'INNER' => 3, 'INOUT' => 3, 
+        'LEAVE' => 3, 'LIMIT' => 3, 'LINES' => 3, 'MATCH' => 3, 'ORDER' => 3, 
+        'OUTER' => 3, 'PURGE' => 3, 'RANGE' => 3, 'READS' => 3, 'RIGHT' => 3, 
+        'RLIKE' => 3, 'TABLE' => 3, 'UNION' => 3, 'USAGE' => 3, 'USING' => 3, 
+        'WHERE' => 3, 'WHILE' => 3, 'WRITE' => 3, 
+        'BEFORE' => 3, 'CHANGE' => 3, 'COLUMN' => 3, 'CREATE' => 3, 'CURSOR' => 3, 
+        'DELETE' => 3, 'ELSEIF' => 3, 'EXISTS' => 3, 'FLOAT4' => 3, 'FLOAT8' => 3, 
+        'HAVING' => 3, 'IGNORE' => 3, 'INFILE' => 3, 'INSERT' => 3, 'LINEAR' => 3, 
+        'OPTION' => 3, 'REGEXP' => 3, 'RENAME' => 3, 'REPEAT' => 3, 'RETURN' => 3, 
+        'REVOKE' => 3, 'SCHEMA' => 3, 'SELECT' => 3, 'SIGNAL' => 3, 'UNLOCK' => 3, 
+        'UPDATE' => 3, 'VALUES' => 3, 
+        'ANALYZE' => 3, 'BETWEEN' => 3, 'CASCADE' => 3, 'COLLATE' => 3, 'CONVERT' => 3, 
+        'DECLARE' => 3, 'DEFAULT' => 3, 'DELAYED' => 3, 'ESCAPED' => 3, 'EXPLAIN' => 3, 
+        'FOREIGN' => 3, 'ITERATE' => 3, 'LEADING' => 3, 'NATURAL' => 3, 'OUTFILE' => 3, 
+        'PRIMARY' => 3, 'RELEASE' => 3, 'REPLACE' => 3, 'REQUIRE' => 3, 'SCHEMAS' => 3, 
+        'SPATIAL' => 3, 'TRIGGER' => 3, 'VARYING' => 3, 
+        'CONTINUE' => 3, 'DATABASE' => 3, 'DAY_HOUR' => 3, 'DESCRIBE' => 3, 
+        'DISTINCT' => 3, 'ENCLOSED' => 3, 'FULLTEXT' => 3, 'MAXVALUE' => 3, 
+        'MODIFIES' => 3, 'OPTIMIZE' => 3, 'RESIGNAL' => 3, 'RESTRICT' => 3, 
+        'SPECIFIC' => 3, 'SQLSTATE' => 3, 'STARTING' => 3, 'TRAILING' => 3, 
+        'UNSIGNED' => 3, 'UTC_DATE' => 3, 'UTC_TIME' => 3, 'ZEROFILL' => 3, 
+        'CONDITION' => 3, 'DATABASES' => 3, 'LOCALTIME' => 3, 'MIDDLEINT' => 3, 
+        'PARTITION' => 3, 'PRECISION' => 3, 'PROCEDURE' => 3, 'SENSITIVE' => 3, 
+        'SEPARATOR' => 3, 
+        'ACCESSIBLE' => 3, 'ASENSITIVE' => 3, 'CONSTRAINT' => 3, 'DAY_MINUTE' => 3, 
+        'DAY_SECOND' => 3, 'OPTIONALLY' => 3, 'READ_WRITE' => 3, 'REFERENCES' => 3, 
+        'SQLWARNING' => 3, 'TERMINATED' => 3, 'YEAR_MONTH' => 3, 
+        'DISTINCTROW' => 3, 'HOUR_MINUTE' => 3, 'HOUR_SECOND' => 3, 'INSENSITIVE' => 3, 
+        'MASTER_BIND' => 3, 
+        'CURRENT_DATE' => 3, 'CURRENT_TIME' => 3, 'CURRENT_USER' => 3, 
+        'LOW_PRIORITY' => 3, 'SQLEXCEPTION' => 3, 'VARCHARACTER' => 3, 
+        'DETERMINISTIC' => 3, 'HIGH_PRIORITY' => 3, 'MINUTE_SECOND' => 3, 
+        'STRAIGHT_JOIN' => 3, 'UTC_TIMESTAMP' => 3, 
+        'IO_AFTER_GTIDS' => 3, 'LOCALTIMESTAMP' => 3, 'SQL_BIG_RESULT' => 3, 
+        'DAY_MICROSECOND' => 3, 'IO_BEFORE_GTIDS' => 3, 
+        'HOUR_MICROSECOND' => 3, 'SQL_SMALL_RESULT' => 3, 
+        'CURRENT_TIMESTAMP' => 3, 
+        'MINUTE_MICROSECOND' => 3, 'NO_WRITE_TO_BINLOG' => 3, 'SECOND_MICROSECOND' => 3, 
+        'SQL_CALC_FOUND_ROWS' => 3, 
+        'MASTER_SSL_VERIFY_SERVER_CERT' => 3, 
 
-        'NOT NULL' => 4,
-        'INDEX KEY' => 4,
-        'UNIQUE KEY' => 4,
-        'FOREIGN KEY' => 4, 'PRIMARY KEY' => 4, 'PRIMARY KEY' => 4, 'SPATIAL KEY' => 4,
-        'FULLTEXT KEY' => 4, 'UNIQUE INDEX' => 4,
-        'CHARACTER SET' => 4, 'IF NOT EXISTS' => 4, 'SPATIAL INDEX' => 4,
-        'DATA DIRECTORY' => 4, 'FULLTEXT INDEX' => 4,
-        'DEFAULT COLLATE' => 4, 'INDEX DIRECTORY' => 4,
-        'DEFAULT CHARACTER SET' => 4,
+        'NOT NULL' => 5, 
+        'ON UPDATE' => 5, 
+        'CHARACTER SET' => 5, 'IF NOT EXISTS' => 5, 
+        'DATA DIRECTORY' => 5, 
+        'DEFAULT COLLATE' => 5, 'INDEX DIRECTORY' => 5, 
+        'DEFAULT CHARACTER SET' => 5, 
+
+        'XML' => 9, 
+        'DATE' => 9, 'ENUM' => 9, 'TEXT' => 9, 'TIME' => 9, 'YEAR' => 9, 
+        'ARRAY' => 9, 
+        'BOOLEAN' => 9, 
+        'DATETIME' => 9, 'MULTISET' => 9, 
+        'TIMESTAMP' => 9, 
+
+        'INT' => 11, 'SET' => 11, 
+        'BLOB' => 11, 'CHAR' => 11, 'REAL' => 11, 
+        'FLOAT' => 11, 
+        'BIGINT' => 11, 'BINARY' => 11, 'DOUBLE' => 11, 
+        'DECIMAL' => 11, 'INTEGER' => 11, 'NUMERIC' => 11, 'TINYINT' => 11, 'VARCHAR' => 11, 
+        'INTERVAL' => 11, 'LONGBLOB' => 11, 'LONGTEXT' => 11, 'SMALLINT' => 11, 
+        'TINYBLOB' => 11, 'TINYTEXT' => 11, 
+        'CHARACTER' => 11, 'MEDIUMINT' => 11, 'VARBINARY' => 11, 
+        'MEDIUMBLOB' => 11, 'MEDIUMTEXT' => 11, 
+
+        'BINARY VARYING' => 13, 
+
+        'KEY' => 19, 
+        'INDEX' => 19, 
+        'UNIQUE' => 19, 
+
+        'INDEX KEY' => 21, 
+        'UNIQUE KEY' => 21, 
+        'FOREIGN KEY' => 21, 'PRIMARY KEY' => 21, 'SPATIAL KEY' => 21, 
+        'FULLTEXT KEY' => 21, 'UNIQUE INDEX' => 21, 
+        'SPATIAL INDEX' => 21, 
+        'FULLTEXT INDEX' => 21, 
 
     );
 }
diff --git a/src/Contexts/ContextMySql50700.php b/src/Contexts/ContextMySql50700.php
index 5f9014c..d9b7906 100644
--- a/src/Contexts/ContextMySql50700.php
+++ b/src/Contexts/ContextMySql50700.php
@@ -18,191 +18,194 @@ class ContextMySql50700 extends Context
 
     public static $KEYWORDS = array(
 
-        'AS' => 1, 'BY' => 1, 'IF' => 1, 'IN' => 1, 'IS' => 1,
-        'ON' => 1, 'OR' => 1, 'TO' => 1,
-        'ADD' => 1, 'ALL' => 1, 'AND' => 1, 'ASC' => 1, 'DEC' => 1,
-        'DIV' => 1, 'FOR' => 1, 'GET' => 1, 'INT' => 1, 'KEY' => 1,
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-        'PARTITIONING' => 2, 'RELAY_THREAD' => 2, 'SERIALIZABLE' => 2,
-        'SQL_NO_CACHE' => 2, 'SQL_TSI_HOUR' => 2, 'SQL_TSI_WEEK' => 2,
-        'SQL_TSI_YEAR' => 2, 'SUBPARTITION' => 2, 'TIMESTAMPADD' => 2,
-        'COLUMN_FORMAT' => 2, 'INSERT_METHOD' => 2, 'MASTER_SSL_CA' => 2,
-        'RELAY_LOG_POS' => 2, 'SQL_TSI_MONTH' => 2, 'SUBPARTITIONS' => 2,
-        'TIMESTAMPDIFF' => 2, 'WEIGHT_STRING' => 2,
-        'AUTO_INCREMENT' => 2, 'AVG_ROW_LENGTH' => 2, 'KEY_BLOCK_SIZE' => 2,
-        'MASTER_LOG_POS' => 2, 'MASTER_SSL_CRL' => 2, 'MASTER_SSL_KEY' => 2,
-        'RELAY_LOG_FILE' => 2, 'SQL_TSI_MINUTE' => 2, 'SQL_TSI_SECOND' => 2,
-        'TABLE_CHECKSUM' => 2, 'USER_RESOURCES' => 2,
-        'AUTOEXTEND_SIZE' => 2, 'CONSTRAINT_NAME' => 2, 'DELAY_KEY_WRITE' => 2,
-        'FILE_BLOCK_SIZE' => 2, 'MASTER_LOG_FILE' => 2, 'MASTER_PASSWORD' => 2,
-        'MASTER_SSL_CERT' => 2, 'MULTILINESTRING' => 2, 'PARSE_GCOL_EXPR' => 2,
-        'REPLICATE_DO_DB' => 2, 'SQL_AFTER_GTIDS' => 2, 'SQL_TSI_QUARTER' => 2,
-        'SUBCLASS_ORIGIN' => 2,
-        'MASTER_SERVER_ID' => 2, 'REDO_BUFFER_SIZE' => 2, 'SQL_BEFORE_GTIDS' => 2,
-        'STATS_PERSISTENT' => 2, 'UNDO_BUFFER_SIZE' => 2,
-        'CONSTRAINT_SCHEMA' => 2, 'GROUP_REPLICATION' => 2, 'IGNORE_SERVER_IDS' => 2,
-        'MASTER_SSL_CAPATH' => 2, 'MASTER_SSL_CIPHER' => 2, 'RETURNED_SQLSTATE' => 2,
-        'SQL_BUFFER_RESULT' => 2, 'STATS_AUTO_RECALC' => 2,
-        'CONSTRAINT_CATALOG' => 2, 'GEOMETRYCOLLECTION' => 2, 'MASTER_RETRY_COUNT' => 2,
-        'MASTER_SSL_CRLPATH' => 2, 'MAX_STATEMENT_TIME' => 2, 'REPLICATE_DO_TABLE' => 2,
-        'SQL_AFTER_MTS_GAPS' => 2, 'STATS_SAMPLE_PAGES' => 2,
-        'REPLICATE_IGNORE_DB' => 2,
-        'MASTER_AUTO_POSITION' => 2, 'MASTER_CONNECT_RETRY' => 2,
-        'MAX_QUERIES_PER_HOUR' => 2, 'MAX_UPDATES_PER_HOUR' => 2,
-        'MAX_USER_CONNECTIONS' => 2, 'REPLICATE_REWRITE_DB' => 2,
-        'REPLICATE_IGNORE_TABLE' => 2,
-        'MASTER_HEARTBEAT_PERIOD' => 2, 'REPLICATE_WILD_DO_TABLE' => 2,
-        'MAX_CONNECTIONS_PER_HOUR' => 2,
-        'REPLICATE_WILD_IGNORE_TABLE' => 2,
+        'AS' => 3, 'BY' => 3, 'IF' => 3, 'IN' => 3, 'IS' => 3, 'ON' => 3, 'OR' => 3, 
+        'TO' => 3, 
+        'ADD' => 3, 'ALL' => 3, 'AND' => 3, 'ASC' => 3, 'DEC' => 3, 'DIV' => 3, 
+        'FOR' => 3, 'GET' => 3, 'MOD' => 3, 'NOT' => 3, 'OUT' => 3, 'SQL' => 3, 
+        'SSL' => 3, 'USE' => 3, 'XOR' => 3, 
+        'BOTH' => 3, 'CALL' => 3, 'CASE' => 3, 'DESC' => 3, 'DROP' => 3, 'DUAL' => 3, 
+        'EACH' => 3, 'ELSE' => 3, 'EXIT' => 3, 'FROM' => 3, 'INT1' => 3, 'INT2' => 3, 
+        'INT3' => 3, 'INT4' => 3, 'INT8' => 3, 'INTO' => 3, 'JOIN' => 3, 'KEYS' => 3, 
+        'KILL' => 3, 'LEFT' => 3, 'LIKE' => 3, 'LOAD' => 3, 'LOCK' => 3, 'LONG' => 3, 
+        'LOOP' => 3, 'NULL' => 3, 'READ' => 3, 'SHOW' => 3, 'THEN' => 3, 'TRUE' => 3, 
+        'UNDO' => 3, 'WHEN' => 3, 'WITH' => 3, 
+        'ALTER' => 3, 'CHECK' => 3, 'CROSS' => 3, 'FALSE' => 3, 'FETCH' => 3, 
+        'FORCE' => 3, 'GRANT' => 3, 'GROUP' => 3, 'INNER' => 3, 'INOUT' => 3, 
+        'LEAVE' => 3, 'LIMIT' => 3, 'LINES' => 3, 'MATCH' => 3, 'ORDER' => 3, 
+        'OUTER' => 3, 'PURGE' => 3, 'RANGE' => 3, 'READS' => 3, 'RIGHT' => 3, 
+        'RLIKE' => 3, 'TABLE' => 3, 'UNION' => 3, 'USAGE' => 3, 'USING' => 3, 
+        'WHERE' => 3, 'WHILE' => 3, 'WRITE' => 3, 
+        'BEFORE' => 3, 'CHANGE' => 3, 'COLUMN' => 3, 'CREATE' => 3, 'CURSOR' => 3, 
+        'DELETE' => 3, 'ELSEIF' => 3, 'EXISTS' => 3, 'FLOAT4' => 3, 'FLOAT8' => 3, 
+        'HAVING' => 3, 'IGNORE' => 3, 'INFILE' => 3, 'INSERT' => 3, 'LINEAR' => 3, 
+        'OPTION' => 3, 'REGEXP' => 3, 'RENAME' => 3, 'REPEAT' => 3, 'RETURN' => 3, 
+        'REVOKE' => 3, 'SCHEMA' => 3, 'SELECT' => 3, 'SIGNAL' => 3, 'STORED' => 3, 
+        'UNLOCK' => 3, 'UPDATE' => 3, 'VALUES' => 3, 
+        'ANALYZE' => 3, 'BETWEEN' => 3, 'CASCADE' => 3, 'COLLATE' => 3, 'CONVERT' => 3, 
+        'DECLARE' => 3, 'DEFAULT' => 3, 'DELAYED' => 3, 'ESCAPED' => 3, 'EXPLAIN' => 3, 
+        'FOREIGN' => 3, 'ITERATE' => 3, 'LEADING' => 3, 'NATURAL' => 3, 'OUTFILE' => 3, 
+        'PRIMARY' => 3, 'RELEASE' => 3, 'REPLACE' => 3, 'REQUIRE' => 3, 'SCHEMAS' => 3, 
+        'SPATIAL' => 3, 'TRIGGER' => 3, 'VARYING' => 3, 'VIRTUAL' => 3, 
+        'CONTINUE' => 3, 'DATABASE' => 3, 'DAY_HOUR' => 3, 'DESCRIBE' => 3, 
+        'DISTINCT' => 3, 'ENCLOSED' => 3, 'FULLTEXT' => 3, 'MAXVALUE' => 3, 
+        'MODIFIES' => 3, 'OPTIMIZE' => 3, 'RESIGNAL' => 3, 'RESTRICT' => 3, 
+        'SPECIFIC' => 3, 'SQLSTATE' => 3, 'STARTING' => 3, 'TRAILING' => 3, 
+        'UNSIGNED' => 3, 'UTC_DATE' => 3, 'UTC_TIME' => 3, 'ZEROFILL' => 3, 
+        'CONDITION' => 3, 'DATABASES' => 3, 'GENERATED' => 3, 'LOCALTIME' => 3, 
+        'MIDDLEINT' => 3, 'PARTITION' => 3, 'PRECISION' => 3, 'PROCEDURE' => 3, 
+        'SENSITIVE' => 3, 'SEPARATOR' => 3, 
+        'ACCESSIBLE' => 3, 'ASENSITIVE' => 3, 'CONSTRAINT' => 3, 'DAY_MINUTE' => 3, 
+        'DAY_SECOND' => 3, 'OPTIONALLY' => 3, 'READ_WRITE' => 3, 'REFERENCES' => 3, 
+        'SQLWARNING' => 3, 'TERMINATED' => 3, 'YEAR_MONTH' => 3, 
+        'DISTINCTROW' => 3, 'HOUR_MINUTE' => 3, 'HOUR_SECOND' => 3, 'INSENSITIVE' => 3, 
+        'MASTER_BIND' => 3, 
+        'CURRENT_DATE' => 3, 'CURRENT_TIME' => 3, 'CURRENT_USER' => 3, 
+        'LOW_PRIORITY' => 3, 'SQLEXCEPTION' => 3, 'VARCHARACTER' => 3, 
+        'DETERMINISTIC' => 3, 'HIGH_PRIORITY' => 3, 'MINUTE_SECOND' => 3, 
+        'STRAIGHT_JOIN' => 3, 'UTC_TIMESTAMP' => 3, 
+        'IO_AFTER_GTIDS' => 3, 'LOCALTIMESTAMP' => 3, 'SQL_BIG_RESULT' => 3, 
+        'DAY_MICROSECOND' => 3, 'IO_BEFORE_GTIDS' => 3, 'OPTIMIZER_COSTS' => 3, 
+        'HOUR_MICROSECOND' => 3, 'SQL_SMALL_RESULT' => 3, 
+        'CURRENT_TIMESTAMP' => 3, 
+        'MINUTE_MICROSECOND' => 3, 'NO_WRITE_TO_BINLOG' => 3, 'SECOND_MICROSECOND' => 3, 
+        'SQL_CALC_FOUND_ROWS' => 3, 
+        'MASTER_SSL_VERIFY_SERVER_CERT' => 3, 
 
-        'NOT NULL' => 4,
-        'INDEX KEY' => 4,
-        'UNIQUE KEY' => 4,
-        'FOREIGN KEY' => 4, 'PRIMARY KEY' => 4, 'PRIMARY KEY' => 4, 'SPATIAL KEY' => 4,
-        'FULLTEXT KEY' => 4, 'UNIQUE INDEX' => 4,
-        'CHARACTER SET' => 4, 'IF NOT EXISTS' => 4, 'SPATIAL INDEX' => 4,
-        'DATA DIRECTORY' => 4, 'FULLTEXT INDEX' => 4,
-        'DEFAULT COLLATE' => 4, 'INDEX DIRECTORY' => 4,
-        'DEFAULT CHARACTER SET' => 4,
+        'NOT NULL' => 5, 
+        'ON UPDATE' => 5, 
+        'CHARACTER SET' => 5, 'IF NOT EXISTS' => 5, 
+        'DATA DIRECTORY' => 5, 
+        'DEFAULT COLLATE' => 5, 'INDEX DIRECTORY' => 5, 
+        'DEFAULT CHARACTER SET' => 5, 
+
+        'XML' => 9, 
+        'DATE' => 9, 'ENUM' => 9, 'TEXT' => 9, 'TIME' => 9, 'YEAR' => 9, 
+        'ARRAY' => 9, 
+        'BOOLEAN' => 9, 
+        'DATETIME' => 9, 'MULTISET' => 9, 
+        'TIMESTAMP' => 9, 
+
+        'INT' => 11, 'SET' => 11, 
+        'BLOB' => 11, 'CHAR' => 11, 'REAL' => 11, 
+        'FLOAT' => 11, 
+        'BIGINT' => 11, 'BINARY' => 11, 'DOUBLE' => 11, 
+        'DECIMAL' => 11, 'INTEGER' => 11, 'NUMERIC' => 11, 'TINYINT' => 11, 'VARCHAR' => 11, 
+        'INTERVAL' => 11, 'LONGBLOB' => 11, 'LONGTEXT' => 11, 'SMALLINT' => 11, 
+        'TINYBLOB' => 11, 'TINYTEXT' => 11, 
+        'CHARACTER' => 11, 'MEDIUMINT' => 11, 'VARBINARY' => 11, 
+        'MEDIUMBLOB' => 11, 'MEDIUMTEXT' => 11, 
+
+        'BINARY VARYING' => 13, 
+
+        'KEY' => 19, 
+        'INDEX' => 19, 
+        'UNIQUE' => 19, 
+
+        'INDEX KEY' => 21, 
+        'UNIQUE KEY' => 21, 
+        'FOREIGN KEY' => 21, 'PRIMARY KEY' => 21, 'SPATIAL KEY' => 21, 
+        'FULLTEXT KEY' => 21, 'UNIQUE INDEX' => 21, 
+        'SPATIAL INDEX' => 21, 
+        'FULLTEXT INDEX' => 21, 
 
     );
 }
diff --git a/src/Fragments/DataTypeFragment.php b/src/Fragments/DataTypeFragment.php
index 7baefdd..740fbfd 100644
--- a/src/Fragments/DataTypeFragment.php
+++ b/src/Fragments/DataTypeFragment.php
@@ -88,8 +88,8 @@ class DataTypeFragment extends Fragment
             }
 
             if ($state === 0) {
-                $ret->name = $token->value;
-                if (!isset(Context::$DATA_TYPES[$token->value])) {
+                $ret->name = strtoupper($token->value);
+                if (($token->type !== Token::TYPE_KEYWORD) || (!($token->flags & Token::FLAG_KEYWORD_DATA_TYPE))) {
                     $parser->error('Unrecognized data type.', $token);
                 }
                 $state = 1;
diff --git a/src/Fragments/FieldDefFragment.php b/src/Fragments/FieldDefFragment.php
index ba4b6dc..f4a08bd 100644
--- a/src/Fragments/FieldDefFragment.php
+++ b/src/Fragments/FieldDefFragment.php
@@ -38,6 +38,7 @@ class FieldDefFragment extends Fragment
         'UNIQUE KEY'                    => 4,
         'COMMENT'                       => array(5, 'var'),
         'COLUMN_FORMAT'                 => array(6, 'var'),
+        'ON UPDATE'                     => array(7, 'var'),
     );
 
     /**
@@ -133,16 +134,14 @@ class FieldDefFragment extends Fragment
                 }
                 continue;
             } elseif ($state === 1) {
-                if (($token->type === Token::TYPE_KEYWORD) && ($token->flags & Token::FLAG_KEYWORD_RESERVED)) {
-                    if ($token->value === 'CONSTRAINT') {
-                        $state = 4;
-                    } elseif (isset(Context::$KEY_TYPES[$token->value])) {
-                        $expr->type = $token->value;
-                        $state = 5;
-                    } else {
-                        $parser->error('Unexpected keyword.', $token);
-                        break; // TODO: Skip to the end of the query.
-                    }
+                if (($token->type === Token::TYPE_KEYWORD) && ($token->value === 'CONSTRAINT')) {
+                    $state = 4;
+                } elseif (($token->type === Token::TYPE_KEYWORD) && ($token->flags & Token::FLAG_KEYWORD_KEY)) {
+                    $expr->type = $token->value;
+                    $state = 5;
+                } elseif (($token->type === Token::TYPE_KEYWORD) && ($token->flags & Token::FLAG_KEYWORD_RESERVED)) {
+                    $parser->error('Unexpected keyword.', $token);
+                    break; // TODO: Skip to the end of the query.
                 } else {
                     $expr->name = $token->value;
                     $state = 2;
@@ -154,17 +153,23 @@ class FieldDefFragment extends Fragment
                 $expr->options = OptionsFragment::parse($parser, $list, static::$FIELD_OPTIONS);
                 $state = 6;
             } elseif ($state === 4) {
-                if (!isset(Context::$KEY_TYPES[$token->value])) {
+                if (($token->type !== Token::TYPE_KEYWORD) || (!($token->flags & Token::FLAG_KEYWORD_KEY))) {
                     $expr->name = $token->value;
                 } else {
                     $expr->type = $token->value;
                     $state = 5;
                 }
             } elseif ($state === 5) {
-                $expr->indexes = ArrayFragment::parse($parser, $list);
-                $state = 6;
+                if (($token->type === Token::TYPE_OPERATOR) && ($token->value === '(')) {
+                    $expr->indexes = ArrayFragment::parse($parser, $list);
+                    $state = 6;
+                } else {
+                    $expr->name = $token->value;
+                }
             } elseif ($state === 6) {
-                $ret[] = $expr;
+                if (!empty($expr->type)) {
+                    $ret[] = $expr;
+                }
                 $expr = new FieldDefFragment();
                 if ($token->value === ',') {
                     $state = 1;
@@ -178,7 +183,7 @@ class FieldDefFragment extends Fragment
         }
 
         // Last iteration was not saved.
-        if (!empty($expr->name)) {
+        if (!empty($expr->type)) {
             $ret[] = $expr;
         }
 
diff --git a/src/Fragments/OptionsFragment.php b/src/Fragments/OptionsFragment.php
index f002f5b..dfb4fc9 100644
--- a/src/Fragments/OptionsFragment.php
+++ b/src/Fragments/OptionsFragment.php
@@ -70,30 +70,24 @@ class OptionsFragment extends Fragment
                 continue;
             }
 
-            if (isset($options[strtoupper($token->value)])) {
-                $lastOption = $options[strtoupper($token->value)];
-                $lastOptionId = is_array($lastOption) ? $lastOption[0] : $lastOption;
-
-                // Checking for option conflicts.
-                // For example, in `SELECT` statements the keywords `ALL` and `DISTINCT`
-                // conflict and if used together, they produce an invalid query.
-                // Usually, tokens can be identified in the array by the option ID,
-                // but if conflicts occur, a psuedo option ID is used.
-                // The first pseudo duplicate ID is the maximum value of the real
-                // options (e.g.  if there are 5 options, the first fake ID is 6).
-                if (isset($ret->options[$lastOptionId])) {
-                    $parser->error('This option conflicts with \'' . $ret->options[$lastOptionId] . '\'.', $token);
-                    $lastOptionId = $lastAssignedId++;
-                }
-            } else {
-                // There is no option to be processed.
-                if ($lastOption === null) {
-                    break;
-                }
-
-                // The only keywords that are expected are those which are
-                // options.
-                if (($token->type === Token::TYPE_KEYWORD) && ($token->flags & Token::FLAG_KEYWORD_RESERVED)) {
+            if ($lastOption === null) {
+                if (isset($options[strtoupper($token->value)])) {
+                    $lastOption = $options[strtoupper($token->value)];
+                    $lastOptionId = is_array($lastOption) ? $lastOption[0] : $lastOption;
+
+                    // Checking for option conflicts.
+                    // For example, in `SELECT` statements the keywords `ALL` and `DISTINCT`
+                    // conflict and if used together, they produce an invalid query.
+                    // Usually, tokens can be identified in the array by the option ID,
+                    // but if conflicts occur, a psuedo option ID is used.
+                    // The first pseudo duplicate ID is the maximum value of the real
+                    // options (e.g.  if there are 5 options, the first fake ID is 6).
+                    if (isset($ret->options[$lastOptionId])) {
+                        $parser->error('This option conflicts with \'' . $ret->options[$lastOptionId] . '\'.', $token);
+                        $lastOptionId = $lastAssignedId++;
+                    }
+                } else {
+                    // There is no option to be processed.
                     break;
                 }
             }
diff --git a/src/Token.php b/src/Token.php
index 5a378ca..867976c 100644
--- a/src/Token.php
+++ b/src/Token.php
@@ -114,9 +114,12 @@ class Token
     const TYPE_DELIMITER                =  9;
 
     // Flags that describe the tokens in more detail.
-    const FLAG_KEYWORD_RESERVED         =  1;
-    const FLAG_KEYWORD_UNRESERVED       =  2;
+    // All keywords must have flag 1 so `Context::isKeyword` method doesn't
+    // require strict comparison.
+    const FLAG_KEYWORD_RESERVED         =  2;
     const FLAG_KEYWORD_COMPOSED         =  4;
+    const FLAG_KEYWORD_DATA_TYPE        =  8;
+    const FLAG_KEYWORD_KEY              = 16;
 
     // Numbers related flags.
     const FLAG_NUMBER_HEX               =  1;
@@ -207,10 +210,12 @@ class Token
     {
         switch ($this->type) {
         case Token::TYPE_KEYWORD:
-            if ($this->flags & Token::FLAG_KEYWORD_RESERVED) {
-                return strtoupper($this->token);
+            if (!($this->flags & Token::FLAG_KEYWORD_RESERVED)) {
+                // Unreserved keywords should stay the way they are because they
+                // might represent field names.
+                return $this->token;
             }
-            return $this->token;
+            return strtoupper($this->token);
         case Token::TYPE_WHITESPACE:
             return ' ';
         case Token::TYPE_BOOL:
diff --git a/src/Utils/Misc.php b/src/Utils/Misc.php
index 2174060..22227a8 100644
--- a/src/Utils/Misc.php
+++ b/src/Utils/Misc.php
@@ -19,8 +19,8 @@ class Misc
     /**
      * Gets a list of all aliases and their original names.
      *
-     * @param SelectStatement $tree The tree that was generated after parsing.
-     * @param string          $database   The name of the database.
+     * @param SelectStatement $tree     The tree that was generated after parsing.
+     * @param string          $database The name of the database.
      *
      * @return array
      */
diff --git a/src/Utils/Table.php b/src/Utils/Table.php
new file mode 100644
index 0000000..7560f9d
--- /dev/null
+++ b/src/Utils/Table.php
@@ -0,0 +1,69 @@
+<?php
+
+namespace SqlParser\Utils;
+
+use SqlParser\Lexer;
+use SqlParser\Parser;
+use SqlParser\Fragments\DataTypeFragment;
+use SqlParser\Fragments\ParamDefFragment;
+use SqlParser\Statements\CreateStatement;
+
+/**
+ * Table utilities.
+ *
+ * @category   Tables
+ * @package    SqlParser
+ * @subpackage Utils
+ * @author     Dan Ungureanu <udan1107@gmail.com>
+ * @license    http://opensource.org/licenses/GPL-2.0 GNU Public License
+ */
+class Table
+{
+
+    public static function getFields(CreateStatement $tree)
+    {
+        if (($tree->fields === null) || (!$tree->options->has('TABLE'))) {
+            return array();
+        }
+
+        $ret = array();
+
+        foreach ($tree->fields as $field) {
+
+            // Skipping keys.
+            if (is_string($field->type)) {
+                continue;
+            }
+
+            $ret[$field->name] = array(
+                'type' => $field->type->name,
+                'timestamp_not_null' => false,
+            );
+
+            if ($field->options) {
+
+                if ($field->type->name === 'TIMESTAMP') {
+                    if ($field->options->has('NOT NULL')) {
+                        $ret[$field->name]['timestamp_not_null'] = true;
+                    }
+                }
+
+                if (($option = $field->options->has('DEFAULT'))) {
+                    $ret[$field->name]['default_value'] = $option;
+                    if ($option === 'CURRENT_TIMESTAMP') {
+                        $ret[$field->name]['default_current_timestamp'] = true;
+                    }
+                }
+
+                if (($option = $field->options->has('ON UPDATE'))) {
+                    if ($option === 'CURRENT_TIMESTAMP') {
+                        $ret[$field->name]['on_update_current_timestamp'] = true;
+                    }
+                }
+            }
+
+        }
+
+        return $ret;
+    }
+}