365 lines
12 KiB
PHP
365 lines
12 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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/**
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* @package Doctrine
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @author Frank M. Kromann <frank@kromann.info> (PEAR MDB2 Mssql driver)
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* @author David Coallier <davidc@php.net> (PEAR MDB2 Mssql driver)
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* @version $Revision$
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* @category Object Relational Mapping
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* @link www.phpdoctrine.com
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* @since 1.0
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*/
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class Doctrine_DataDict_Mssql extends Doctrine_DataDict {
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/**
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* Obtain DBMS specific SQL code portion needed to declare an text type
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* field to be used in statements like CREATE TABLE.
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*
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* @param array $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getTypeDeclaration($field) {
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switch ($field['type']) {
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case 'text':
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$length = !empty($field['length'])
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? $field['length'] : false;
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$fixed = !empty($field['fixed']) ? $field['fixed'] : false;
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return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
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: ($length ? 'VARCHAR('.$length.')' : 'TEXT');
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case 'clob':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 8000) {
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return 'VARCHAR('.$length.')';
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}
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}
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return 'TEXT';
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case 'blob':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 8000) {
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return "VARBINARY($length)";
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}
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}
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return 'IMAGE';
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case 'integer':
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return 'INT';
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case 'boolean':
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return 'BIT';
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case 'date':
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return 'CHAR ('.strlen('YYYY-MM-DD').')';
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case 'time':
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return 'CHAR ('.strlen('HH:MM:SS').')';
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case 'timestamp':
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return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')';
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case 'float':
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return 'FLOAT';
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case 'decimal':
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$length = !empty($field['length']) ? $field['length'] : 18;
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return 'DECIMAL('.$length.','.$db->options['decimal_places'].')';
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}
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return '';
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}
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/**
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* Maps a native array description of a field to a MDB2 datatype and length
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*
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* @param array $field native field description
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @return array containing the various possible types, length, sign, fixed
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*/
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public function mapNativeDatatype($field) {
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$db_type = preg_replace('/\d/','', strtolower($field['type']) );
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$length = $field['length'];
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if ((int)$length <= 0) {
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$length = null;
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}
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$type = array();
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// todo: unsigned handling seems to be missing
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$unsigned = $fixed = null;
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switch ($db_type) {
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case 'bit':
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$type[0] = 'boolean';
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break;
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case 'int':
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$type[0] = 'integer';
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break;
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case 'datetime':
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$type[0] = 'timestamp';
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break;
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case 'float':
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case 'real':
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case 'numeric':
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$type[0] = 'float';
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break;
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case 'decimal':
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case 'money':
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$type[0] = 'decimal';
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break;
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case 'text':
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case 'varchar':
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$fixed = false;
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case 'char':
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$type[0] = 'text';
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if ($length == '1') {
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$type[] = 'boolean';
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if (preg_match('/^[is|has]/', $field['name'])) {
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$type = array_reverse($type);
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}
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} elseif (strstr($db_type, 'text')) {
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$type[] = 'clob';
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}
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if ($fixed !== false) {
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$fixed = true;
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}
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break;
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case 'image':
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case 'varbinary':
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$type[] = 'blob';
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$length = null;
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break;
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default:
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throw new Doctrine_DataDict_Mssql_Exception('mapNativeDatatype: unknown database attribute type: '.$db_type);
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}
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return array($type, $length, $unsigned, $fixed);
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}
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/**
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* lists all databases
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*
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* @return array
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*/
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public function listDatabases() {
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}
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/**
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* lists all availible database functions
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*
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* @return array
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*/
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public function listFunctions() {
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}
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/**
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* lists all database triggers
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*
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* @param string|null $database
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* @return array
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*/
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public function listTriggers($database = null) {
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}
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/**
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* lists all database sequences
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*
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* @param string|null $database
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* @return array
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*/
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public function listSequences($database = null) {
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$query = "SELECT name FROM sysobjects WHERE xtype = 'U'";
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$table_names = $db->queryCol($query);
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if (PEAR::isError($table_names)) {
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return $table_names;
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}
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$result = array();
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foreach ($table_names as $table_name) {
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if ($sqn = $this->_fixSequenceName($table_name, true)) {
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$result[] = $sqn;
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}
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}
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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$result = array_map(($db->options['field_case'] == CASE_LOWER ?
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'strtolower' : 'strtoupper'), $result);
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}
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return $result;
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableConstraints($table) {
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableColumns($table) {
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$sql = 'EXEC sp_columns @table_name = ' . $this->quoteIdentifier($table);
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$result = $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
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$columns = array();
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foreach ($result as $key => $val) {
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if (strstr($val['type_name'], ' ')) {
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list($type, $identity) = explode(' ', $val['type_name']);
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} else {
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$type = $val['type_name'];
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$identity = '';
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}
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if ($type == 'varchar') {
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$type .= '('.$val['length'].')';
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}
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$description = array(
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'name' => $val['column_name'],
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'type' => $type,
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'notnull' => (bool) ($val['is_nullable'] === 'NO'),
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'default' => $val['column_def'],
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'primary' => (strtolower($identity) == 'identity'),
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);
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$columns[$val['column_name']] = new Doctrine_Schema_Column($description);
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}
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return $columns;
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableIndexes($table) {
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}
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/**
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* lists tables
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*
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* @param string|null $database
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* @return array
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*/
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public function listTables($database = null) {
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$sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
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return $this->dbh->fetchCol($sql);
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}
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/**
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* lists table triggers
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableTriggers($table) {
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$table = $db->quote($table, 'text');
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$query = "SELECT name FROM sysobjects WHERE xtype = 'TR'";
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if (!is_null($table)) {
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$query .= "AND object_name(parent_obj) = $table";
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}
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$result = $db->queryCol($query);
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if (PEAR::isError($results)) {
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return $result;
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}
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if ($db->options['portability'] & Doctrine::PORTABILITY_FIX_CASE &&
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$db->options['field_case'] == CASE_LOWER)
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{
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$result = array_map(($db->options['field_case'] == CASE_LOWER ?
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'strtolower' : 'strtoupper'), $result);
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}
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return $result;
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}
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/**
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* lists table views
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableViews($table) {
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$keyName = 'INDEX_NAME';
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$pkName = 'PK_NAME';
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if ($db->options['portability'] & Doctrine::PORTABILITY_FIX_CASE) {
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if ($db->options['field_case'] == CASE_LOWER) {
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$keyName = strtolower($keyName);
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$pkName = strtolower($pkName);
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} else {
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$keyName = strtoupper($keyName);
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$pkName = strtoupper($pkName);
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}
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}
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$table = $db->quote($table, 'text');
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$query = 'EXEC sp_statistics @table_name = ' . $table;
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$indexes = $db->queryCol($query, 'text', $keyName);
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$query = 'EXEC sp_pkeys @table_name = ' . $table;
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$pkAll = $db->queryCol($query, 'text', $pkName);
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$result = array();
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foreach ($indexes as $index) {
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if (!in_array($index, $pkAll) && $index != null) {
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$result[$this->_fixIndexName($index)] = true;
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}
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}
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if ($db->options['portability'] & Doctrine::PORTABILITY_FIX_CASE) {
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$result = array_change_key_case($result, $db->options['field_case']);
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}
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return array_keys($result);
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}
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/**
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* lists database users
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*
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* @return array
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*/
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public function listUsers() {
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}
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/**
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* lists database views
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*
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* @param string|null $database
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* @return array
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*/
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public function listViews($database = null) {
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$query = "SELECT name FROM sysobjects WHERE xtype = 'V'";
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$result = $db->queryCol($query);
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if ($db->options['portability'] & Doctrine::PORTABILITY_FIX_CASE &&
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$db->options['field_case'] == CASE_LOWER)
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{
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$result = array_map(($db->options['field_case'] == CASE_LOWER ?
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'strtolower' : 'strtoupper'), $result);
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}
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return $result;
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}
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}
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