444 lines
18 KiB
PHP
444 lines
18 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 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_Mysql extends Doctrine_DataDict
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{
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protected $keywords = array(
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'ADD', 'ALL', 'ALTER',
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'ANALYZE', 'AND', 'AS',
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'ASC', 'ASENSITIVE', 'BEFORE',
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'BETWEEN', 'BIGINT', 'BINARY',
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'BLOB', 'BOTH', 'BY',
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'CALL', 'CASCADE', 'CASE',
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'CHANGE', 'CHAR', 'CHARACTER',
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'CHECK', 'COLLATE', 'COLUMN',
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'CONDITION', 'CONNECTION', 'CONSTRAINT',
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'CONTINUE', 'CONVERT', 'CREATE',
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'CROSS', 'CURRENT_DATE', 'CURRENT_TIME',
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'CURRENT_TIMESTAMP', 'CURRENT_USER', 'CURSOR',
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'DATABASE', 'DATABASES', 'DAY_HOUR',
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'DAY_MICROSECOND', 'DAY_MINUTE', 'DAY_SECOND',
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'DEC', 'DECIMAL', 'DECLARE',
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'DEFAULT', 'DELAYED', 'DELETE',
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'DESC', 'DESCRIBE', 'DETERMINISTIC',
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'DISTINCT', 'DISTINCTROW', 'DIV',
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'DOUBLE', 'DROP', 'DUAL',
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'EACH', 'ELSE', 'ELSEIF',
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'ENCLOSED', 'ESCAPED', 'EXISTS',
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'EXIT', 'EXPLAIN', 'FALSE',
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'FETCH', 'FLOAT', 'FLOAT4',
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'FLOAT8', 'FOR', 'FORCE',
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'FOREIGN', 'FROM', 'FULLTEXT',
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'GRANT', 'GROUP', 'HAVING',
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'HIGH_PRIORITY', 'HOUR_MICROSECOND', 'HOUR_MINUTE',
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'HOUR_SECOND', 'IF', 'IGNORE',
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'IN', 'INDEX', 'INFILE',
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'INNER', 'INOUT', 'INSENSITIVE',
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'INSERT', 'INT', 'INT1',
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'INT2', 'INT3', 'INT4',
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'INT8', 'INTEGER', 'INTERVAL',
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'INTO', 'IS', 'ITERATE',
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'JOIN', 'KEY', 'KEYS',
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'KILL', 'LEADING', 'LEAVE',
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'LEFT', 'LIKE', 'LIMIT',
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'LINES', 'LOAD', 'LOCALTIME',
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'LOCALTIMESTAMP', 'LOCK', 'LONG',
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'LONGBLOB', 'LONGTEXT', 'LOOP',
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'LOW_PRIORITY', 'MATCH', 'MEDIUMBLOB',
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'MEDIUMINT', 'MEDIUMTEXT', 'MIDDLEINT',
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'MINUTE_MICROSECOND', 'MINUTE_SECOND', 'MOD',
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'MODIFIES', 'NATURAL', 'NOT',
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'NO_WRITE_TO_BINLOG', 'NULL', 'NUMERIC',
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'ON', 'OPTIMIZE', 'OPTION',
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'OPTIONALLY', 'OR', 'ORDER',
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'OUT', 'OUTER', 'OUTFILE',
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'PRECISION', 'PRIMARY', 'PROCEDURE',
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'PURGE', 'RAID0', 'READ',
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'READS', 'REAL', 'REFERENCES',
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'REGEXP', 'RELEASE', 'RENAME',
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'REPEAT', 'REPLACE', 'REQUIRE',
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'RESTRICT', 'RETURN', 'REVOKE',
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'RIGHT', 'RLIKE', 'SCHEMA',
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'SCHEMAS', 'SECOND_MICROSECOND', 'SELECT',
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'SENSITIVE', 'SEPARATOR', 'SET',
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'SHOW', 'SMALLINT', 'SONAME',
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'SPATIAL', 'SPECIFIC', 'SQL',
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'SQLEXCEPTION', 'SQLSTATE', 'SQLWARNING',
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'SQL_BIG_RESULT', 'SQL_CALC_FOUND_ROWS', 'SQL_SMALL_RESULT',
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'SSL', 'STARTING', 'STRAIGHT_JOIN',
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'TABLE', 'TERMINATED', 'THEN',
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'TINYBLOB', 'TINYINT', 'TINYTEXT',
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'TO', 'TRAILING', 'TRIGGER',
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'TRUE', 'UNDO', 'UNION',
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'UNIQUE', 'UNLOCK', 'UNSIGNED',
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'UPDATE', 'USAGE', 'USE',
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'USING', 'UTC_DATE', 'UTC_TIME',
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'UTC_TIMESTAMP', 'VALUES', 'VARBINARY',
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'VARCHAR', 'VARCHARACTER', 'VARYING',
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'WHEN', 'WHERE', 'WHILE',
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'WITH', 'WRITE', 'X509',
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'XOR', 'YEAR_MONTH', 'ZEROFILL'
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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 $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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*
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getNativeDeclaration($field)
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{
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switch ($field['type']) {
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case 'char':
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$length = (! empty($field['length'])) ? $field['length'] : false;
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return $length ? 'CHAR('.$length.')' : 'CHAR(255)';
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case 'varchar':
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case 'array':
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case 'object':
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case 'string':
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if ( ! isset($field['length'])) {
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if (array_key_exists('default', $field)) {
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$field['length'] = $this->conn->varchar_max_length;
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} else {
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$field['length'] = false;
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}
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}
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$length = ($field['length'] <= $this->conn->varchar_max_length) ? $field['length'] : false;
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$fixed = (isset($field['fixed'])) ? $field['fixed'] : false;
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return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
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: ($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 <= 255) {
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return 'TINYTEXT';
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} elseif ($length <= 65532) {
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return 'TEXT';
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} elseif ($length <= 16777215) {
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return 'MEDIUMTEXT';
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}
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}
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return 'LONGTEXT';
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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 <= 255) {
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return 'TINYBLOB';
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} elseif ($length <= 65532) {
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return 'BLOB';
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} elseif ($length <= 16777215) {
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return 'MEDIUMBLOB';
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}
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}
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return 'LONGBLOB';
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case 'integer':
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case 'int':
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case 'enum':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 1) {
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return 'TINYINT';
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} elseif ($length == 2) {
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return 'SMALLINT';
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} elseif ($length == 3) {
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return 'MEDIUMINT';
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} elseif ($length == 4) {
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return 'INT';
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} elseif ($length > 4) {
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return 'BIGINT';
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}
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}
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return 'INT';
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case 'boolean':
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return 'TINYINT(1)';
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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 'DATETIME';
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case 'float':
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case 'double':
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return 'DOUBLE';
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case 'decimal':
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$length = !empty($field['length']) ? $field['length'] : 18;
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return 'DECIMAL(' . $length . ',' . 0 . ')'; //$this->dbh->options['decimal_places'] . ')';
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}
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throw new Doctrine_DataDict_Exception('Unknown column type.');
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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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* @return array containing the various possible types, length, sign, fixed
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*/
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public function getPortableDeclaration(array $field)
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{
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$dbType = strtolower($field['type']);
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$dbType = strtok($dbType, '(), ');
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if ($dbType == 'national') {
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$dbType = strtok('(), ');
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}
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if (isset($field['length'])) {
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$length = $field['length'];
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$decimal = '';
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} else {
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$length = strtok('(), ');
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$decimal = strtok('(), ');
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}
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$type = array();
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$unsigned = $fixed = null;
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if ( ! isset($field['name'])) {
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$field['name'] = '';
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}
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switch ($dbType) {
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case 'tinyint':
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$type[] = 'integer';
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/', $field['name'])) {
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$type = array_reverse($type);
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}
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 1;
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break;
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case 'smallint':
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$type[] = 'integer';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 2;
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break;
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case 'mediumint':
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$type[] = 'integer';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 3;
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break;
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case 'int':
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case 'integer':
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$type[] = 'integer';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 4;
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break;
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case 'bigint':
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$type[] = 'integer';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 8;
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break;
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case 'tinytext':
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case 'mediumtext':
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case 'longtext':
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case 'text':
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case 'text':
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case 'varchar':
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$fixed = false;
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case 'string':
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case 'char':
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$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($type);
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}
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} elseif (strstr($dbType, 'text')) {
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$type[] = 'clob';
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if ($decimal == 'binary') {
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$type[] = 'blob';
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}
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}
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if ($fixed !== false) {
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$fixed = true;
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}
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break;
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case 'enum':
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$type[] = 'text';
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preg_match_all('/\'.+\'/U', $field['type'], $matches);
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$length = 0;
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$fixed = false;
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if (is_array($matches)) {
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foreach ($matches[0] as $value) {
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$length = max($length, strlen($value)-2);
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}
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if ($length == '1' && count($matches[0]) == 2) {
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/', $field['name'])) {
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$type = array_reverse($type);
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}
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}
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}
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$type[] = 'integer';
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case 'set':
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$fixed = false;
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$type[] = 'text';
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$type[] = 'integer';
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break;
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case 'date':
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$type[] = 'date';
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$length = null;
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break;
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case 'datetime':
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case 'timestamp':
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$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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$length = null;
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break;
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case 'float':
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case 'double':
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case 'real':
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$type[] = 'float';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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break;
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case 'unknown':
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case 'decimal':
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case 'numeric':
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$type[] = 'decimal';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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break;
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case 'tinyblob':
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case 'mediumblob':
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case 'longblob':
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case 'blob':
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$type[] = 'blob';
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$length = null;
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break;
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case 'year':
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$type[] = 'integer';
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$type[] = 'date';
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$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: '.$dbType);
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}
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$length = ((int) $length == 0) ? null : (int) $length;
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return array('type' => $type, 'length' => $length, 'unsigned' => $unsigned, '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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* Obtain DBMS specific SQL code portion needed to declare an integer type
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* field to be used in statements like CREATE TABLE.
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*
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* @param string $name name the field to be declared.
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* @param string $field associative array with the name of the properties
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* of the field being declared as array indexes.
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* Currently, the types of supported field
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* properties are as follows:
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*
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* unsigned
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* Boolean flag that indicates whether the field
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* should be declared as unsigned integer if
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* possible.
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*
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* default
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* Integer value to be used as default for this
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* field.
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*
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* notnull
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* Boolean flag that indicates whether this field is
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* constrained to not be set to null.
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getIntegerDeclaration($name, $field)
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{
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$default = $autoinc = '';
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if (!empty($field['autoincrement'])) {
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$autoinc = ' AUTO_INCREMENT';
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} elseif (array_key_exists('default', $field)) {
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if ($field['default'] === '') {
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$field['default'] = empty($field['notnull']) ? null : 0;
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}
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$default = ' DEFAULT '.$this->conn->quote($field['default']);
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}
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/**
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elseif (empty($field['notnull'])) {
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$default = ' DEFAULT NULL';
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}
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*/
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$notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : '';
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$unsigned = (isset($field['unsigned']) && $field['unsigned']) ? ' UNSIGNED' : '';
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$name = $this->conn->quoteIdentifier($name, true);
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return $name . ' ' . $this->getNativeDeclaration($field) . $unsigned . $default . $notnull . $autoinc;
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}
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}
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