217 lines
8.3 KiB
PHP
217 lines
8.3 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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* @subpackage Doctrine_DataDict
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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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/**
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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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{
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if ( ! isset($field['type'])) {
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throw new Doctrine_DataDict_Exception('Missing column type.');
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}
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switch ($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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case 'gzip':
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$length = !empty($field['length'])
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? $field['length'] : 16777215; // TODO: $this->conn->options['default_text_field_length'];
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$fixed = ((isset($field['fixed']) && $field['fixed']) || $field['type'] == 'char') ? true : false;
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return $fixed ? 'CHAR('.$length.')' : 'VARCHAR('.$length.')';
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case 'clob':
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return 'BLOB SUB_TYPE 1';
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case 'blob':
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return 'BLOB SUB_TYPE 0';
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case 'integer':
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case 'enum':
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case 'int':
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return 'INT';
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case 'boolean':
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return 'SMALLINT';
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case 'date':
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return 'DATE';
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case 'time':
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return 'TIME';
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case 'timestamp':
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return 'TIMESTAMP';
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case 'float':
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return 'DOUBLE PRECISION';
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case 'decimal':
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$length = !empty($field['length']) ? $field['length'] : 18;
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$scale = !empty($field['scale']) ? $field['scale'] : $this->conn->getAttribute(Doctrine::ATTR_DECIMAL_PLACES);
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return 'DECIMAL('.$length.','.$scale.')';
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}
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throw new Doctrine_DataDict_Exception('Unknown field type \'' . $field['type'] . '\'.');
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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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{
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$length = (isset($field['length']) && $field['length'] > 0) ? $field['length'] : null;
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$type = array();
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$unsigned = $fixed = null;
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$dbType = 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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if ( ! isset($field['name'])) {
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$field['name'] = '';
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}
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switch ($dbType) {
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case 'smallint':
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case 'integer':
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case 'int64':
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//these may be 'numeric' or 'decimal'
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if (isset($field['field_sub_type'])) {
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$field['type'] = $field['field_sub_type'];
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return $this->getPortableDeclaration($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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$type[] = 'string';
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if ($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_Exception('unknown database attribute type: '.$dbType);
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}
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return array('type' => $type,
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'length' => $length,
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'unsigned' => $unsigned,
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'fixed' => $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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{
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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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{
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return 'COLLATE ' . $collation;
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}
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}
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