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-rw-r--r--codebase/db_mysql.php67
1 files changed, 67 insertions, 0 deletions
diff --git a/codebase/db_mysql.php b/codebase/db_mysql.php
new file mode 100644
index 0000000..d31d210
--- /dev/null
+++ b/codebase/db_mysql.php
@@ -0,0 +1,67 @@
+<?php
+
+/*! Implementation of DataWrapper for MySQL
+**/
+class MySQLDBDataWrapper extends DBDataWrapper{
+ protected $last_result;
+ public function query($sql){
+ LogMaster::log($sql);
+ $res=mysql_query($sql,$this->connection);
+ if ($res===false) throw new Exception("MySQL operation failed\n".mysql_error($this->connection));
+ $this->last_result = $res;
+ return $res;
+ }
+
+ public function get_next($res){
+ if (!$res)
+ $res = $this->last_result;
+
+ return mysql_fetch_assoc($res);
+ }
+
+ public function get_new_id(){
+ return mysql_insert_id($this->connection);
+ }
+
+ public function escape($data){
+ return mysql_real_escape_string($data, $this->connection);
+ }
+
+ public function tables_list() {
+ $result = mysql_query("SHOW TABLES");
+ if ($result===false) throw new Exception("MySQL operation failed\n".mysql_error($this->connection));
+
+ $tables = array();
+ while ($table = mysql_fetch_array($result)) {
+ $tables[] = $table[0];
+ }
+ return $tables;
+ }
+
+ public function fields_list($table) {
+ $result = mysql_query("SHOW COLUMNS FROM `".$table."`");
+ if ($result===false) throw new Exception("MySQL operation failed\n".mysql_error($this->connection));
+
+ $fields = array();
+ $id = "";
+ while ($field = mysql_fetch_assoc($result)) {
+ if ($field['Key'] == "PRI")
+ $id = $field["Field"];
+ else
+ $fields[] = $field["Field"];
+ }
+ return array("fields" => $fields, "key" => $id );
+ }
+
+ /*! escape field name to prevent sql reserved words conflict
+ @param data
+ unescaped data
+ @return
+ escaped data
+ */
+ public function escape_name($data){
+ if ((strpos($data,"`")!==false || is_int($data)) || (strpos($data,".")!==false))
+ return $data;
+ return '`'.$data.'`';
+ }
+} \ No newline at end of file