Refactored field to something more appropriate depending on the context in which it is used.

21 files changed, 66 insertions, 66 deletions

diff --git a/src/Components/AlterOperation.php b/src/Components/AlterOperation.php
index ae28d51..d704f25 100644
--- a/src/Components/AlterOperation.php
+++ b/src/Components/AlterOperation.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * Parses a reference to a field.
+ * Parses an alter operation.
  *
  * @package    SqlParser
  * @subpackage Components
@@ -14,7 +14,7 @@ use SqlParser\Token;
 use SqlParser\TokensList;
 
 /**
- * Parses a reference to a field.
+ * Parses an alter operation.
  *
  * @category   Components
  * @package    SqlParser
@@ -178,10 +178,8 @@ class AlterOperation extends Component
                         ++$brackets;
                     } elseif ($token->value === ')') {
                         --$brackets;
-                    } elseif ($token->value === ',') {
-                        if ($brackets === 0) {
-                            break;
-                        }
+                    } elseif (($token->value === ',') && ($brackets === 0)) {
+                        break;
                     }
                 }
                 $ret->unknown[] = $token;
diff --git a/src/Components/FieldDefinition.php b/src/Components/CreateDefinition.php
index 351e8b5..4dfbb7a 100644
--- a/src/Components/FieldDefinition.php
+++ b/src/Components/CreateDefinition.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * Parses the definition of a field.
+ * Parses the create definition of a column or a key.
  *
  * Used for parsing `CREATE TABLE` statement.
  *
@@ -17,7 +17,7 @@ use SqlParser\Token;
 use SqlParser\TokensList;
 
 /**
- * Parses the definition of a field.
+ * Parses the create definition of a column or a key.
  *
  * Used for parsing `CREATE TABLE` statement.
  *
@@ -27,7 +27,7 @@ use SqlParser\TokensList;
  * @author     Dan Ungureanu <udan1107@gmail.com>
  * @license    http://opensource.org/licenses/GPL-2.0 GNU Public License
  */
-class FieldDefinition extends Component
+class CreateDefinition extends Component
 {
 
     /**
@@ -145,13 +145,13 @@ class FieldDefinition extends Component
      * @param TokensList $list    The list of tokens that are being parsed.
      * @param array      $options Parameters for parsing.
      *
-     * @return FieldDefinition[]
+     * @return CreateDefinition[]
      */
     public static function parse(Parser $parser, TokensList $list, array $options = array())
     {
         $ret = array();
 
-        $expr = new FieldDefinition();
+        $expr = new CreateDefinition();
 
         /**
          * The state of the parser.
@@ -234,7 +234,7 @@ class FieldDefinition extends Component
                 if ((!empty($expr->type)) || (!empty($expr->key))) {
                     $ret[] = $expr;
                 }
-                $expr = new FieldDefinition();
+                $expr = new CreateDefinition();
                 if ($token->value === ',') {
                     $state = 1;
                 } elseif ($token->value === ')') {
@@ -269,7 +269,7 @@ class FieldDefinition extends Component
     }
 
     /**
-     * @param FieldDefinition|FieldDefinition[] $component The component to be built.
+     * @param CreateDefinition|CreateDefinition[] $component The component to be built.
      *
      * @return string
      */
diff --git a/src/Components/Expression.php b/src/Components/Expression.php
index d7d0d4a..60f8554 100644
--- a/src/Components/Expression.php
+++ b/src/Components/Expression.php
@@ -1,7 +1,8 @@
 <?php
 
 /**
- * Parses a reference to a field.
+ * Parses a reference to an expression (column, table or database name, function
+ * call, mathematical expression, etc.).
  *
  * @package    SqlParser
  * @subpackage Components
@@ -15,7 +16,8 @@ use SqlParser\Token;
 use SqlParser\TokensList;
 
 /**
- * Parses a reference to a field.
+ * Parses a reference to an expression (column, table or database name, function
+ * call, mathematical expression, etc.).
  *
  * @category   Components
  * @package    SqlParser
diff --git a/src/Components/ExpressionArray.php b/src/Components/ExpressionArray.php
index 2e082dc..f453154 100644
--- a/src/Components/ExpressionArray.php
+++ b/src/Components/ExpressionArray.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * Parses a a list of fields delimited by a single comma.
+ * Parses a a list of expression delimited by a comma.
  *
  * @package    SqlParser
  * @subpackage Components
@@ -14,7 +14,7 @@ use SqlParser\Token;
 use SqlParser\TokensList;
 
 /**
- * Parses a a list of fields delimited by a single comma.
+ * Parses a a list of expression delimited by a comma.
  *
  * @category   Keywords
  * @package    SqlParser
diff --git a/src/Components/IntoKeyword.php b/src/Components/IntoKeyword.php
index a0e5d54..cb25481 100644
--- a/src/Components/IntoKeyword.php
+++ b/src/Components/IntoKeyword.php
@@ -44,7 +44,7 @@ class IntoKeyword extends Component
      *
      * @var array
      */
-    public $fields;
+    public $columns;
 
     /**
      * @param Parser     $parser  The parser that serves as context.
@@ -114,7 +114,7 @@ class IntoKeyword extends Component
                 $state = 1;
             } elseif ($state === 1) {
                 if (($token->type === Token::TYPE_OPERATOR) && ($token->value === '(')) {
-                    $ret->fields = ArrayObj::parse($parser, $list)->values;
+                    $ret->columns = ArrayObj::parse($parser, $list)->values;
                     ++$list->idx;
                 }
                 break;
diff --git a/src/Components/OrderKeyword.php b/src/Components/OrderKeyword.php
index 7f1879c..2ca3525 100644
--- a/src/Components/OrderKeyword.php
+++ b/src/Components/OrderKeyword.php
@@ -26,11 +26,11 @@ class OrderKeyword extends Component
 {
 
     /**
-     * The field that is used for ordering.
+     * The expression that is used for ordering.
      *
      * @var Expression
      */
-    public $field;
+    public $expr;
 
     /**
      * The order type.
@@ -42,12 +42,12 @@ class OrderKeyword extends Component
     /**
      * Constructor.
      *
-     * @param Expression $field The field that we are sorting by.
+     * @param Expression $expr The expression that we are sorting by.
      * @param string     $type  The sorting type.
      */
-    public function __construct($field = null, $type = 'ASC')
+    public function __construct($expr = null, $type = 'ASC')
     {
-        $this->field = $field;
+        $this->expr = $expr;
         $this->type = $type;
     }
 
@@ -69,7 +69,7 @@ class OrderKeyword extends Component
          *
          * Below are the states of the parser.
          *
-         *      0 ----------------------[ field ]----------------------> 1
+         *      0 --------------------[ expression ]-------------------> 1
          *
          *      1 ------------------------[ , ]------------------------> 0
          *      1 -------------------[ ASC / DESC ]--------------------> 1
@@ -96,13 +96,13 @@ class OrderKeyword extends Component
             }
 
             if ($state === 0) {
-                $expr->field = Expression::parse($parser, $list);
+                $expr->expr = Expression::parse($parser, $list);
                 $state = 1;
             } elseif ($state === 1) {
                 if (($token->type === Token::TYPE_KEYWORD) && (($token->value === 'ASC') || ($token->value === 'DESC'))) {
                     $expr->type = $token->value;
                 } elseif (($token->type === Token::TYPE_OPERATOR) && ($token->value === ',')) {
-                    if (!empty($expr->field)) {
+                    if (!empty($expr->expr)) {
                         $ret[] = $expr;
                     }
                     $expr = new OrderKeyword();
@@ -115,7 +115,7 @@ class OrderKeyword extends Component
         }
 
         // Last iteration was not processed.
-        if (!empty($expr->field)) {
+        if (!empty($expr->expr)) {
             $ret[] = $expr;
         }
 
@@ -137,7 +137,7 @@ class OrderKeyword extends Component
             }
             return implode(", ", $ret);
         } else {
-            return Expression::build($component->field) . ' ' . $component->type;
+            return Expression::build($component->expr) . ' ' . $component->type;
         }
     }
 }
diff --git a/src/Components/SetOperation.php b/src/Components/SetOperation.php
index fc05cf7..25bb9e4 100644
--- a/src/Components/SetOperation.php
+++ b/src/Components/SetOperation.php
@@ -57,7 +57,7 @@ class SetOperation extends Component
          *
          * Below are the states of the parser.
          *
-         *      0 -------------------[ field name ]--------------------> 1
+         *      0 -------------------[ column name ]-------------------> 1
          *
          *      1 ------------------------[ , ]------------------------> 0
          *      1 ----------------------[ value ]----------------------> 1
diff --git a/src/Statements/CreateStatement.php b/src/Statements/CreateStatement.php
index 732b6a4..4c0d985 100644
--- a/src/Statements/CreateStatement.php
+++ b/src/Statements/CreateStatement.php
@@ -14,7 +14,7 @@ use SqlParser\Token;
 use SqlParser\TokensList;
 use SqlParser\Components\ArrayObj;
 use SqlParser\Components\DataType;
-use SqlParser\Components\FieldDefinition;
+use SqlParser\Components\CreateDefinition;
 use SqlParser\Components\Expression;
 use SqlParser\Components\OptionsArray;
 use SqlParser\Components\ParameterDefinition;
@@ -164,12 +164,12 @@ class CreateStatement extends Statement
     public $entityOptions;
 
     /**
-     * If `CREATE TABLE`, a list of fields in the new table.
+     * If `CREATE TABLE`, a list of columns and keys.
      * If `CREATE VIEW`, a list of columns.
      *
      * Used by `CREATE TABLE` and `CREATE VIEW`.
      *
-     * @var FieldDefinition[]|ArrayObj
+     * @var CreateDefinition[]|ArrayObj
      */
     public $fields;
 
@@ -218,7 +218,7 @@ class CreateStatement extends Statement
         $fields = '';
         if (!empty($this->fields)) {
             if (is_array($this->fields)) {
-                $fields = FieldDefinition::build($this->fields) . ' ';
+                $fields = CreateDefinition::build($this->fields) . ' ';
             } elseif ($this->fields instanceof ArrayObj) {
                 $fields = ArrayObj::build($this->fields);
             }
@@ -304,7 +304,7 @@ class CreateStatement extends Statement
                 static::$DB_OPTIONS
             );
         } elseif ($this->options->has('TABLE')) {
-            $this->fields = FieldDefinition::parse($parser, $list);
+            $this->fields = CreateDefinition::parse($parser, $list);
             if (empty($this->fields)) {
                 $parser->error(
                     __('At least one column definition was expected.'),
diff --git a/src/Utils/Query.php b/src/Utils/Query.php
index 604a902..41e99d1 100644
--- a/src/Utils/Query.php
+++ b/src/Utils/Query.php
@@ -449,40 +449,40 @@ class Query
      */
     public static function getTables($statement)
     {
-        $fields = array();
+        $expressions = array();
 
         if (($statement instanceof InsertStatement)
             || ($statement instanceof ReplaceStatement)
         ) {
-            $fields = array($statement->into->dest);
+            $expressions = array($statement->into->dest);
         } elseif ($statement instanceof UpdateStatement) {
-            $fields = $statement->tables;
+            $expressions = $statement->tables;
         } elseif (($statement instanceof SelectStatement)
             || ($statement instanceof DeleteStatement)
         ) {
-            $fields = $statement->from;
+            $expressions = $statement->from;
         } elseif (($statement instanceof AlterStatement)
             || ($statement instanceof TruncateStatement)
         ) {
-            $fields = array($statement->table);
+            $expressions = array($statement->table);
         } elseif ($statement instanceof DropStatement) {
             if (!$statement->options->has('TABLE')) {
                 // No tables are dropped.
                 return array();
             }
-            $fields = $statement->fields;
+            $expressions = $statement->fields;
         } elseif ($statement instanceof RenameStatement) {
             foreach ($statement->renames as $rename) {
-                $fields[] = $rename->old;
+                $expressions[] = $rename->old;
             }
         }
 
         $ret = array();
-        foreach ($fields as $field) {
-            if (!empty($field->table)) {
-                $field->expr = null; // Force rebuild.
-                $field->alias = null; // Aliases are not required.
-                $ret[] = Expression::build($field);
+        foreach ($expressions as $expr) {
+            if (!empty($expr->table)) {
+                $expr->expr = null; // Force rebuild.
+                $expr->alias = null; // Aliases are not required.
+                $ret[] = Expression::build($expr);
             }
         }
         return $ret;
diff --git a/tests/Builder/CreateStatementTest.php b/tests/Builder/CreateStatementTest.php
index 6aa994b..944cbe4 100644
--- a/tests/Builder/CreateStatementTest.php
+++ b/tests/Builder/CreateStatementTest.php
@@ -5,7 +5,7 @@ namespace SqlParser\Tests\Builder;
 use SqlParser\Parser;
 use SqlParser\Components\DataType;
 use SqlParser\Components\Expression;
-use SqlParser\Components\FieldDefinition;
+use SqlParser\Components\CreateDefinition;
 use SqlParser\Components\Key;
 use SqlParser\Components\OptionsArray;
 use SqlParser\Statements\CreateStatement;
@@ -44,12 +44,12 @@ class CreateStatementTest extends TestCase
         $stmt->name = new Expression('', 'test', '');
         $stmt->options = new OptionsArray(array('TABLE'));
         $stmt->fields = array(
-            new FieldDefinition(
+            new CreateDefinition(
                 'id',
                 new OptionsArray(array('NOT NULL', 'AUTO_INCREMENT')),
                 new DataType('INT', array(11), new OptionsArray(array('UNSIGNED')))
             ),
-            new FieldDefinition(
+            new CreateDefinition(
                 '',
                 null,
                 new Key('', array('id'), 'PRIMARY KEY')
diff --git a/tests/Components/FieldDefinitionTest.php b/tests/Components/CreateDefinitionTest.php
index 3ecc363..81c8ba8 100644
--- a/tests/Components/FieldDefinitionTest.php
+++ b/tests/Components/CreateDefinitionTest.php
@@ -3,16 +3,16 @@
 namespace SqlParser\Tests\Components;
 
 use SqlParser\Parser;
-use SqlParser\Components\FieldDefinition;
+use SqlParser\Components\CreateDefinition;
 
 use SqlParser\Tests\TestCase;
 
-class FieldDefinitionTest extends TestCase
+class CreateDefinitionTest extends TestCase
 {
 
     public function testParse()
     {
-        $component = FieldDefinition::parse(
+        $component = CreateDefinition::parse(
             new Parser(),
             $this->getTokensList('(str TEXT, FULLTEXT INDEX indx (str))')
         );
@@ -25,7 +25,7 @@ class FieldDefinitionTest extends TestCase
     public function testParseErr1()
     {
         $parser = new Parser();
-        $component = FieldDefinition::parse(
+        $component = CreateDefinition::parse(
             $parser,
             $this->getTokensList('(str TEXT, FULLTEXT INDEX indx (str)')
         );
@@ -39,7 +39,7 @@ class FieldDefinitionTest extends TestCase
     public function testParseErr2()
     {
         $parser = new Parser();
-        $component = FieldDefinition::parse(
+        $component = CreateDefinition::parse(
             $parser,
             $this->getTokensList(')')
         );
@@ -61,7 +61,7 @@ class FieldDefinitionTest extends TestCase
         );
         $this->assertEquals(
             'CONSTRAINT `fk_payment_customer` FOREIGN KEY (`customer_id`) REFERENCES `customer` (`customer_id`) ON UPDATE CASCADE',
-            FieldDefinition::build($parser->statements[0]->fields[1])
+            CreateDefinition::build($parser->statements[0]->fields[1])
         );
     }
 }
diff --git a/tests/data/bugs/gh9.out b/tests/data/bugs/gh9.out
index 4aefba9..d1a102a 100644
--- a/tests/data/bugs/gh9.out
+++ b/tests/data/bugs/gh9.out
@@ -31,4 +31,4 @@ COMMIT;";s:3:"len";i:213;s:4:"last";i:213;s:4:"list";O:20:"SqlParser\TokensList"
 ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:164;}i:55;O:15:"SqlParser\Token":5:{s:5:"token";s:5:"INDEX";s:5:"value";s:5:"INDEX";s:4:"type";i:1;s:5:"flags";i:19;s:8:"position";i:165;}i:56;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:170;}i:57;O:15:"SqlParser\Token":5:{s:5:"token";s:1:"(";s:5:"value";s:1:"(";s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:171;}i:58;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:172;}i:59;O:15:"SqlParser\Token":5:{s:5:"token";s:10:"`position`";s:5:"value";s:8:"position";s:4:"type";i:8;s:5:"flags";i:2;s:8:"position";i:173;}i:60;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:183;}i:61;O:15:"SqlParser\Token":5:{s:5:"token";s:1:")";s:5:"value";s:1:")";s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:184;}i:62;O:15:"SqlParser\Token":5:{s:5:"token";s:1:"
 ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:185;}i:63;O:15:"SqlParser\Token":5:{s:5:"token";s:1:")";s:5:"value";s:1:")";s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:186;}i:64;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:187;}i:65;O:15:"SqlParser\Token":5:{s:5:"token";s:6:"ENGINE";s:5:"value";s:6:"ENGINE";s:4:"type";i:1;s:5:"flags";i:1;s:8:"position";i:188;}i:66;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:194;}i:67;O:15:"SqlParser\Token":5:{s:5:"token";s:1:"=";s:5:"value";s:1:"=";s:4:"type";i:2;s:5:"flags";i:2;s:8:"position";i:195;}i:68;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:196;}i:69;O:15:"SqlParser\Token":5:{s:5:"token";s:6:"InnoDB";s:5:"value";s:6:"InnoDB";s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:197;}i:70;O:15:"SqlParser\Token":5:{s:5:"token";s:1:";";s:5:"value";s:1:";";s:4:"type";i:9;s:5:"flags";i:0;s:8:"position";i:203;}i:71;O:15:"SqlParser\Token":5:{s:5:"token";s:2:"
 
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\ No newline at end of file
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diff --git a/tests/data/parser/parseCreateTable.out b/tests/data/parser/parseCreateTable.out
index fe1892c..27f05c4 100644
--- a/tests/data/parser/parseCreateTable.out
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diff --git a/tests/data/parser/parseCreateTable2.out b/tests/data/parser/parseCreateTable2.out
index 24a3991..60083e9 100644
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diff --git a/tests/data/parser/parseCreateTable3.out b/tests/data/parser/parseCreateTable3.out
index ca6862e..d3b5976 100644
--- a/tests/data/parser/parseCreateTable3.out
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diff --git a/tests/data/parser/parseCreateTableErr1.out b/tests/data/parser/parseCreateTableErr1.out
index d168271..cb747b7 100644
--- a/tests/data/parser/parseCreateTableErr1.out
+++ b/tests/data/parser/parseCreateTableErr1.out
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diff --git a/tests/data/parser/parseDelete.out b/tests/data/parser/parseDelete.out
index da4b42f..b863243 100644
--- a/tests/data/parser/parseDelete.out
+++ b/tests/data/parser/parseDelete.out
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diff --git a/tests/data/parser/parseInsert.out b/tests/data/parser/parseInsert.out
index 05c6e53..481d15d 100644
--- a/tests/data/parser/parseInsert.out
+++ b/tests/data/parser/parseInsert.out
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diff --git a/tests/data/parser/parseReplace.out b/tests/data/parser/parseReplace.out
index e09cbc9..0c9f901 100644
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\ No newline at end of file
diff --git a/tests/data/parser/parseReplace2.out b/tests/data/parser/parseReplace2.out
index 4f02f56..83a200a 100644
--- a/tests/data/parser/parseReplace2.out
+++ b/tests/data/parser/parseReplace2.out
@@ -7,4 +7,4 @@ SET id = 1,
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\ No newline at end of file
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\ No newline at end of file
diff --git a/tests/data/parser/parseSelectErr1.out b/tests/data/parser/parseSelectErr1.out
index 2d72ce4..d3d5297 100644
--- a/tests/data/parser/parseSelectErr1.out
+++ b/tests/data/parser/parseSelectErr1.out
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