--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Db/Adapter/Pdo/Sqlite.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,297 @@
+<?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: Sqlite.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 SQLite2 and SQLite3 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_Sqlite extends Zend_Db_Adapter_Pdo_Abstract
+{
+
+ /**
+ * PDO type
+ *
+ * @var string
+ */
+ protected $_pdoType = 'sqlite';
+
+ /**
+ * 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,
+ 'INTEGER' => Zend_Db::BIGINT_TYPE,
+ 'REAL' => Zend_Db::FLOAT_TYPE
+ );
+
+ /**
+ * Constructor.
+ *
+ * $config is an array of key/value pairs containing configuration
+ * options. Note that the SQLite options are different than most of
+ * the other PDO adapters in that no username or password are needed.
+ * Also, an extra config key "sqlite2" specifies compatibility mode.
+ *
+ * dbname => (string) The name of the database to user (required,
+ * use :memory: for memory-based database)
+ *
+ * sqlite2 => (boolean) PDO_SQLITE defaults to SQLite 3. For compatibility
+ * with an older SQLite 2 database, set this to TRUE.
+ *
+ * @param array $config An array of configuration keys.
+ */
+ public function __construct(array $config = array())
+ {
+ if (isset($config['sqlite2']) && $config['sqlite2']) {
+ $this->_pdoType = 'sqlite2';
+ }
+
+ // SQLite uses no username/password. Stub to satisfy parent::_connect()
+ $this->_config['username'] = null;
+ $this->_config['password'] = null;
+
+ return parent::__construct($config);
+ }
+
+ /**
+ * Check for config options that are mandatory.
+ * Throw exceptions if any are missing.
+ *
+ * @param array $config
+ * @throws Zend_Db_Adapter_Exception
+ */
+ protected function _checkRequiredOptions(array $config)
+ {
+ // we need at least a dbname
+ if (! array_key_exists('dbname', $config)) {
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception("Configuration array must have a key for 'dbname' that names the database instance");
+ }
+ }
+
+ /**
+ * DSN builder
+ */
+ protected function _dsn()
+ {
+ return $this->_pdoType .':'. $this->_config['dbname'];
+ }
+
+ /**
+ * Special configuration for SQLite behavior: make sure that result sets
+ * contain keys like 'column' instead of 'table.column'.
+ *
+ * @throws Zend_Db_Adapter_Exception
+ */
+ protected function _connect()
+ {
+ /**
+ * if we already have a PDO object, no need to re-connect.
+ */
+ if ($this->_connection) {
+ return;
+ }
+
+ parent::_connect();
+
+ $retval = $this->_connection->exec('PRAGMA full_column_names=0');
+ if ($retval === false) {
+ $error = $this->_connection->errorInfo();
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception($error[2]);
+ }
+
+ $retval = $this->_connection->exec('PRAGMA short_column_names=1');
+ if ($retval === false) {
+ $error = $this->_connection->errorInfo();
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception($error[2]);
+ }
+ }
+
+ /**
+ * Returns a list of the tables in the database.
+ *
+ * @return array
+ */
+ public function listTables()
+ {
+ $sql = "SELECT name FROM sqlite_master WHERE type='table' "
+ . "UNION ALL SELECT name FROM sqlite_temp_master "
+ . "WHERE type='table' ORDER BY name";
+
+ return $this->fetchCol($sql);
+ }
+
+ /**
+ * 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)
+ {
+ $sql = 'PRAGMA ';
+
+ if ($schemaName) {
+ $sql .= $this->quoteIdentifier($schemaName) . '.';
+ }
+
+ $sql .= 'table_info('.$this->quoteIdentifier($tableName).')';
+
+ $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);
+
+ $cid = 0;
+ $name = 1;
+ $type = 2;
+ $notnull = 3;
+ $dflt_value = 4;
+ $pk = 5;
+
+ $desc = array();
+
+ $p = 1;
+ foreach ($result as $key => $row) {
+ list($length, $scale, $precision, $primary, $primaryPosition, $identity) =
+ array(null, null, null, false, null, false);
+ if (preg_match('/^((?:var)?char)\((\d+)\)/i', $row[$type], $matches)) {
+ $row[$type] = $matches[1];
+ $length = $matches[2];
+ } else if (preg_match('/^decimal\((\d+),(\d+)\)/i', $row[$type], $matches)) {
+ $row[$type] = 'DECIMAL';
+ $precision = $matches[1];
+ $scale = $matches[2];
+ }
+ if ((bool) $row[$pk]) {
+ $primary = true;
+ $primaryPosition = $p;
+ /**
+ * SQLite INTEGER primary key is always auto-increment.
+ */
+ $identity = (bool) ($row[$type] == 'INTEGER');
+ ++$p;
+ }
+ $desc[$this->foldCase($row[$name])] = array(
+ 'SCHEMA_NAME' => $this->foldCase($schemaName),
+ 'TABLE_NAME' => $this->foldCase($tableName),
+ 'COLUMN_NAME' => $this->foldCase($row[$name]),
+ 'COLUMN_POSITION' => $row[$cid]+1,
+ 'DATA_TYPE' => $row[$type],
+ 'DEFAULT' => $row[$dflt_value],
+ 'NULLABLE' => ! (bool) $row[$notnull],
+ 'LENGTH' => $length,
+ 'SCALE' => $scale,
+ 'PRECISION' => $precision,
+ 'UNSIGNED' => null, // Sqlite3 does not support unsigned data
+ 'PRIMARY' => $primary,
+ 'PRIMARY_POSITION' => $primaryPosition,
+ 'IDENTITY' => $identity
+ );
+ }
+ return $desc;
+ }
+
+ /**
+ * Adds an adapter-specific LIMIT clause to the SELECT statement.
+ *
+ * @param string $sql
+ * @param integer $count
+ * @param integer $offset OPTIONAL
+ * @return string
+ */
+ public function limit($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;
+ }
+
+}