--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Db/Adapter/Pdo/Mysql.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,257 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Db
+ * @subpackage Adapter
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Mysql.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Db_Adapter_Pdo_Abstract
+ */
+require_once 'Zend/Db/Adapter/Pdo/Abstract.php';
+
+
+/**
+ * Class for connecting to MySQL databases and performing common operations.
+ *
+ * @category Zend
+ * @package Zend_Db
+ * @subpackage Adapter
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Db_Adapter_Pdo_Mysql extends Zend_Db_Adapter_Pdo_Abstract
+{
+
+ /**
+ * PDO type.
+ *
+ * @var string
+ */
+ protected $_pdoType = 'mysql';
+
+ /**
+ * Keys are UPPERCASE SQL datatypes or the constants
+ * Zend_Db::INT_TYPE, Zend_Db::BIGINT_TYPE, or Zend_Db::FLOAT_TYPE.
+ *
+ * Values are:
+ * 0 = 32-bit integer
+ * 1 = 64-bit integer
+ * 2 = float or decimal
+ *
+ * @var array Associative array of datatypes to values 0, 1, or 2.
+ */
+ protected $_numericDataTypes = array(
+ Zend_Db::INT_TYPE => Zend_Db::INT_TYPE,
+ Zend_Db::BIGINT_TYPE => Zend_Db::BIGINT_TYPE,
+ Zend_Db::FLOAT_TYPE => Zend_Db::FLOAT_TYPE,
+ 'INT' => Zend_Db::INT_TYPE,
+ 'INTEGER' => Zend_Db::INT_TYPE,
+ 'MEDIUMINT' => Zend_Db::INT_TYPE,
+ 'SMALLINT' => Zend_Db::INT_TYPE,
+ 'TINYINT' => Zend_Db::INT_TYPE,
+ 'BIGINT' => Zend_Db::BIGINT_TYPE,
+ 'SERIAL' => Zend_Db::BIGINT_TYPE,
+ 'DEC' => Zend_Db::FLOAT_TYPE,
+ 'DECIMAL' => Zend_Db::FLOAT_TYPE,
+ 'DOUBLE' => Zend_Db::FLOAT_TYPE,
+ 'DOUBLE PRECISION' => Zend_Db::FLOAT_TYPE,
+ 'FIXED' => Zend_Db::FLOAT_TYPE,
+ 'FLOAT' => Zend_Db::FLOAT_TYPE
+ );
+
+ /**
+ * Creates a PDO object and connects to the database.
+ *
+ * @return void
+ * @throws Zend_Db_Adapter_Exception
+ */
+ protected function _connect()
+ {
+ if ($this->_connection) {
+ return;
+ }
+
+ if (!empty($this->_config['charset'])) {
+ $initCommand = "SET NAMES '" . $this->_config['charset'] . "'";
+ $this->_config['driver_options'][1002] = $initCommand; // 1002 = PDO::MYSQL_ATTR_INIT_COMMAND
+ }
+
+ parent::_connect();
+ }
+
+ /**
+ * @return string
+ */
+ public function getQuoteIdentifierSymbol()
+ {
+ return "`";
+ }
+
+ /**
+ * Returns a list of the tables in the database.
+ *
+ * @return array
+ */
+ public function listTables()
+ {
+ return $this->fetchCol('SHOW TABLES');
+ }
+
+ /**
+ * Returns the column descriptions for a table.
+ *
+ * The return value is an associative array keyed by the column name,
+ * as returned by the RDBMS.
+ *
+ * The value of each array element is an associative array
+ * with the following keys:
+ *
+ * SCHEMA_NAME => string; name of database or schema
+ * TABLE_NAME => string;
+ * COLUMN_NAME => string; column name
+ * COLUMN_POSITION => number; ordinal position of column in table
+ * DATA_TYPE => string; SQL datatype name of column
+ * DEFAULT => string; default expression of column, null if none
+ * NULLABLE => boolean; true if column can have nulls
+ * LENGTH => number; length of CHAR/VARCHAR
+ * SCALE => number; scale of NUMERIC/DECIMAL
+ * PRECISION => number; precision of NUMERIC/DECIMAL
+ * UNSIGNED => boolean; unsigned property of an integer type
+ * PRIMARY => boolean; true if column is part of the primary key
+ * PRIMARY_POSITION => integer; position of column in primary key
+ * IDENTITY => integer; true if column is auto-generated with unique values
+ *
+ * @param string $tableName
+ * @param string $schemaName OPTIONAL
+ * @return array
+ */
+ public function describeTable($tableName, $schemaName = null)
+ {
+ // @todo use INFORMATION_SCHEMA someday when MySQL's
+ // implementation has reasonably good performance and
+ // the version with this improvement is in wide use.
+
+ if ($schemaName) {
+ $sql = 'DESCRIBE ' . $this->quoteIdentifier("$schemaName.$tableName", true);
+ } else {
+ $sql = 'DESCRIBE ' . $this->quoteIdentifier($tableName, true);
+ }
+ $stmt = $this->query($sql);
+
+ // Use FETCH_NUM so we are not dependent on the CASE attribute of the PDO connection
+ $result = $stmt->fetchAll(Zend_Db::FETCH_NUM);
+
+ $field = 0;
+ $type = 1;
+ $null = 2;
+ $key = 3;
+ $default = 4;
+ $extra = 5;
+
+ $desc = array();
+ $i = 1;
+ $p = 1;
+ foreach ($result as $row) {
+ list($length, $scale, $precision, $unsigned, $primary, $primaryPosition, $identity)
+ = array(null, null, null, null, false, null, false);
+ if (preg_match('/unsigned/', $row[$type])) {
+ $unsigned = true;
+ }
+ if (preg_match('/^((?:var)?char)\((\d+)\)/', $row[$type], $matches)) {
+ $row[$type] = $matches[1];
+ $length = $matches[2];
+ } else if (preg_match('/^decimal\((\d+),(\d+)\)/', $row[$type], $matches)) {
+ $row[$type] = 'decimal';
+ $precision = $matches[1];
+ $scale = $matches[2];
+ } else if (preg_match('/^float\((\d+),(\d+)\)/', $row[$type], $matches)) {
+ $row[$type] = 'float';
+ $precision = $matches[1];
+ $scale = $matches[2];
+ } else if (preg_match('/^((?:big|medium|small|tiny)?int)\((\d+)\)/', $row[$type], $matches)) {
+ $row[$type] = $matches[1];
+ // The optional argument of a MySQL int type is not precision
+ // or length; it is only a hint for display width.
+ }
+ if (strtoupper($row[$key]) == 'PRI') {
+ $primary = true;
+ $primaryPosition = $p;
+ if ($row[$extra] == 'auto_increment') {
+ $identity = true;
+ } else {
+ $identity = false;
+ }
+ ++$p;
+ }
+ $desc[$this->foldCase($row[$field])] = array(
+ 'SCHEMA_NAME' => null, // @todo
+ 'TABLE_NAME' => $this->foldCase($tableName),
+ 'COLUMN_NAME' => $this->foldCase($row[$field]),
+ 'COLUMN_POSITION' => $i,
+ 'DATA_TYPE' => $row[$type],
+ 'DEFAULT' => $row[$default],
+ 'NULLABLE' => (bool) ($row[$null] == 'YES'),
+ 'LENGTH' => $length,
+ 'SCALE' => $scale,
+ 'PRECISION' => $precision,
+ 'UNSIGNED' => $unsigned,
+ 'PRIMARY' => $primary,
+ 'PRIMARY_POSITION' => $primaryPosition,
+ 'IDENTITY' => $identity
+ );
+ ++$i;
+ }
+ return $desc;
+ }
+
+ /**
+ * Adds an adapter-specific LIMIT clause to the SELECT statement.
+ *
+ * @param string $sql
+ * @param integer $count
+ * @param integer $offset OPTIONAL
+ * @throws Zend_Db_Adapter_Exception
+ * @return string
+ */
+ public function limit($sql, $count, $offset = 0)
+ {
+ $count = intval($count);
+ if ($count <= 0) {
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception("LIMIT argument count=$count is not valid");
+ }
+
+ $offset = intval($offset);
+ if ($offset < 0) {
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception("LIMIT argument offset=$offset is not valid");
+ }
+
+ $sql .= " LIMIT $count";
+ if ($offset > 0) {
+ $sql .= " OFFSET $offset";
+ }
+
+ return $sql;
+ }
+
+}