284 lines
11 KiB
PHP
284 lines
11 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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Doctrine::autoload('Doctrine_DataDict');
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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 Lorenzo Alberton <l.alberton@quipo.it> (PEAR MDB2 Interbase driver)
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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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_Firebird 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 $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getNativeDeclaration($field) {
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switch($field['type']) {
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case 'varchar':
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case 'string':
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case 'array':
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case 'object':
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case 'char':
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case 'text':
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$length = !empty($field['length'])
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? $field['length'] : 16777215; // TODO: $db->options['default_text_field_length'];
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$fixed = ((isset($field['fixed']) && $field['fixed']) || $field['type'] == 'char') ? true : false;
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return $fixed ? 'CHAR('.$length.')' : 'VARCHAR('.$length.')';
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case 'clob':
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return 'BLOB SUB_TYPE 1';
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case 'blob':
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return 'BLOB SUB_TYPE 0';
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case 'integer':
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case 'enum':
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return 'INT';
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case 'boolean':
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return 'SMALLINT';
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case 'date':
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return 'DATE';
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case 'time':
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return 'TIME';
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case 'timestamp':
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return 'TIMESTAMP';
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case 'float':
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return 'DOUBLE PRECISION';
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case 'decimal':
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$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 Doctrine datatype and length
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*
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* @param array $field native field description
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* @return array containing the various possible types, length, sign, fixed
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*/
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public function getPortableDeclaration($field) {
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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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$type = array();
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$unsigned = $fixed = null;
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$db_type = strtolower($field['type']);
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$field['field_sub_type'] = !empty($field['field_sub_type'])
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? strtolower($field['field_sub_type']) : null;
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switch ($db_type) {
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case 'smallint':
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case 'integer':
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case 'int64':
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//these may be 'numeric' or 'decimal'
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if (isset($field['field_sub_type'])) {
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$field['type'] = $field['field_sub_type'];
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return $this->mapNativeDatatype($field);
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}
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case 'bigint':
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case 'quad':
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$type[] = 'integer';
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if ($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($type);
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}
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}
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break;
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case 'varchar':
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$fixed = false;
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case 'char':
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case 'cstring':
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$type[] = 'text';
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if ($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($type);
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}
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}
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if ($fixed !== false) {
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$fixed = true;
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}
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break;
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case 'date':
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$type[] = 'date';
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$length = null;
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break;
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case 'timestamp':
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$type[] = 'timestamp';
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$length = null;
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break;
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case 'time':
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$type[] = 'time';
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$length = null;
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break;
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case 'float':
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case 'double':
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case 'double precision':
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case 'd_float':
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$type[] = 'float';
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break;
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case 'decimal':
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case 'numeric':
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$type[] = 'decimal';
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break;
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case 'blob':
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$type[] = ($field['field_sub_type'] == 'text') ? 'clob' : 'blob';
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$length = null;
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break;
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default:
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throw new Doctrine_DataDict_Firebird_Exception('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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* Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
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* of a field declaration to be used in statements like CREATE TABLE.
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*
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* @param string $charset name of the charset
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* @return string DBMS specific SQL code portion needed to set the CHARACTER SET
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* of a field declaration.
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*/
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public function getCharsetFieldDeclaration($charset) {
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return 'CHARACTER SET '.$charset;
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}
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/**
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* Obtain DBMS specific SQL code portion needed to set the COLLATION
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* of a field declaration to be used in statements like CREATE TABLE.
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*
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* @param string $collation name of the collation
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* @return string DBMS specific SQL code portion needed to set the COLLATION
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* of a field declaration.
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*/
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public function getCollationFieldDeclaration($collation) {
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return 'COLLATE '.$collation;
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}
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/**
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* list all tables in the current database
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*
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* @return array data array
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*/
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public function listTables() {
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$query = 'SELECT RDB$RELATION_NAME FROM RDB$RELATIONS WHERE RDB$SYSTEM_FLAG=0 AND RDB$VIEW_BLR IS NULL';
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return $this->conn->fetchColumn($query);
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}
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/**
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* list all fields in a tables in the current database
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*
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* @param string $table name of table that should be used in method
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* @return mixed data array on success, a MDB2 error on failure
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* @access public
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*/
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public function listTableFields($table) {
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$table = $db->quote(strtoupper($table), 'text');
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$query = 'SELECT RDB\$FIELD_NAME FROM RDB$RELATION_FIELDS WHERE UPPER(RDB$RELATION_NAME) = ' . $table;
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return $this->conn->fetchColumn($query);
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}
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/**
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* list all users
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*
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* @return array data array containing all database users
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*/
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public function listUsers() {
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return $this->conn->fetchColumn('SELECT DISTINCT RDB$USER FROM RDB$USER_PRIVILEGES');
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}
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/**
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* list the views in the database
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*
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* @return array data array containing all database views
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*/
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public function listViews() {
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$result = $db->queryCol('SELECT DISTINCT RDB$VIEW_NAME FROM RDB$VIEW_RELATIONS');
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return $this->conn->fetchColumn($query);
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}
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/**
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* list the views in the database that reference a given table
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*
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* @param string $table table for which all references views should be found
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* @return array data array containing all views for given table
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*/
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public function listTableViews($table) {
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$query = 'SELECT DISTINCT RDB$VIEW_NAME FROM RDB$VIEW_RELATIONS';
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$table = $db->quote(strtoupper($table), 'text');
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$query .= 'WHERE UPPER(RDB\$RELATION_NAME) = ' . $table;
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return $this->conn->fetchColumn($query);
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}
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/**
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* list all functions in the current database
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*
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* @return array data array containing all availible functions
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*/
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public function listFunctions() {
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$query = 'SELECT RDB$FUNCTION_NAME FROM RDB$FUNCTIONS WHERE RDB$SYSTEM_FLAG IS NULL';
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return $this->conn->fetchColumn($query);
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}
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/**
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* This function will be called to get all triggers of the
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* current database ($db->getDatabase())
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*
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* @param string $table The name of the table from the
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* previous database to query against.
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* @return array data array containing all triggers for given table
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*/
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public function listTableTriggers($table = null) {
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$query = 'SELECT RDB$TRIGGER_NAME
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FROM RDB$TRIGGERS
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WHERE RDB$SYSTEM_FLAG IS NULL
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OR RDB$SYSTEM_FLAG = 0';
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if( ! is_null($table)) {
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$table = $db->quote(strtoupper($table), 'text');
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$query .= 'WHERE UPPER(RDB$RELATION_NAME) = ' . $table;
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}
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return $this->conn->fetchColumn($query);
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}
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}
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