1250 lines
47 KiB
PHP
1250 lines
47 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.org>.
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*/
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#namespace Doctrine::DBAL::Platforms;
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/**
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* The MySqlPlatform provides the behavior, features and SQL dialect of the
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* MySQL database platform.
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*
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* @since 2.0
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* @author Roman Borschel <roman@code-factory.org>
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*/
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class Doctrine_DBAL_Platforms_MySqlPlatform extends Doctrine_DBAL_Platforms_AbstractPlatform
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{
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/**
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* MySql reserved words.
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*
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* @var array
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* @todo Needed? What about lazy initialization?
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*/
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/*protected static $_reservedKeywords = 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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* Constructor.
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* Creates a new MySqlPlatform instance.
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*/
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public function __construct()
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{
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parent::__construct();
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}
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/**
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* Gets the character used for identifier quoting.
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*
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* @return string
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* @override
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*/
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public function getIdentifierQuoteCharacter()
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{
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return '`';
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}
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/**
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* Returns the regular expression operator.
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*
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* @return string
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* @override
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*/
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public function getRegexpExpression()
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{
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return 'RLIKE';
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}
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/**
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* return string to call a function to get random value inside an SQL statement
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*
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* @return string to generate float between 0 and 1
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*/
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public function getRandomExpression()
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{
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return 'RAND()';
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}
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/**
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* Builds a pattern matching string.
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*
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* EXPERIMENTAL
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*
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* WARNING: this function is experimental and may change signature at
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* any time until labelled as non-experimental.
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*
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* @param array $pattern even keys are strings, odd are patterns (% and _)
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* @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
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* @param string $field optional field name that is being matched against
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* (might be required when emulating ILIKE)
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*
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* @return string SQL pattern
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* @override
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*/
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public function getMatchPatternExpression($pattern, $operator = null, $field = null)
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{
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$match = '';
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if ( ! is_null($operator)) {
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$field = is_null($field) ? '' : $field.' ';
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$operator = strtoupper($operator);
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switch ($operator) {
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// case insensitive
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case 'ILIKE':
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$match = $field.'LIKE ';
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break;
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// case sensitive
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case 'LIKE':
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$match = $field.'LIKE BINARY ';
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break;
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default:
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throw new Doctrine_Expression_Mysql_Exception('not a supported operator type:'. $operator);
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}
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}
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$match.= "'";
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foreach ($pattern as $key => $value) {
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if ($key % 2) {
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$match .= $value;
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} else {
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$match .= $this->conn->escapePattern($this->conn->escape($value));
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}
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}
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$match.= "'";
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$match.= $this->patternEscapeString();
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return $match;
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}
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/**
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* Returns global unique identifier
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*
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* @return string to get global unique identifier
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* @override
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*/
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public function getGuidExpression()
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{
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return 'UUID()';
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}
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/**
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* Returns a series of strings concatinated
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*
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* concat() accepts an arbitrary number of parameters. Each parameter
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* must contain an expression or an array with expressions.
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*
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* @param string|array(string) strings that will be concatinated.
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* @override
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*/
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public function getConcatExpression()
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{
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$args = func_get_args();
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return 'CONCAT(' . join(', ', (array) $args) . ')';
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}
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/**
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* @TEST
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*/
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public function getVarcharDeclarationSql(array $field)
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{
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if ( ! isset($field['length'])) {
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if (array_key_exists('default', $field)) {
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$field['length'] = $this->getVarcharMaxLength();
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} else {
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$field['length'] = false;
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}
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}
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$length = ($field['length'] <= $this->getVarcharMaxLength()) ? $field['length'] : false;
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$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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}
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/**
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* Enter description here...
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*
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* @param array $field
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*/
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public function getClobDeclarationSql(array $field)
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{
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if ( ! empty($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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} else if ($length <= 65532) {
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return 'TEXT';
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} else if ($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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}
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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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* @override
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*/
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public function getNativeDeclaration(array $field)
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{
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if ( ! isset($field['type'])) {
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throw new Doctrine_DataDict_Exception('Missing column type.');
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}
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switch ($field['type']) {
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case 'char':
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$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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case 'gzip':
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return $this->getVarcharDeclarationSql($field);
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case 'clob':
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return $this->getClobDeclarationSql($field);
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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 'enum':
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if ($this->conn->getAttribute(Doctrine::ATTR_USE_NATIVE_ENUM)) {
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$values = array();
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foreach ($field['values'] as $value) {
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$values[] = $this->conn->quote($value, 'varchar');
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}
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return 'ENUM('.implode(', ', $values).')';
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}
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// fall back to integer
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case 'integer':
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case 'int':
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if ( ! empty($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']) ? $field['length'] : 18;
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$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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* @override
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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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$field['name'] = '';
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}
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$values = null;
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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':
|
|
$type[] = 'integer';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
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|
$length = 4;
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|
break;
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|
case 'bigint':
|
|
$type[] = 'integer';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
$length = 8;
|
|
break;
|
|
case 'tinytext':
|
|
case 'mediumtext':
|
|
case 'longtext':
|
|
case 'text':
|
|
case 'text':
|
|
case 'varchar':
|
|
$fixed = false;
|
|
case 'string':
|
|
case 'char':
|
|
$type[] = 'string';
|
|
if ($length == '1') {
|
|
$type[] = 'boolean';
|
|
if (preg_match('/^(is|has)/', $field['name'])) {
|
|
$type = array_reverse($type);
|
|
}
|
|
} elseif (strstr($dbType, 'text')) {
|
|
$type[] = 'clob';
|
|
if ($decimal == 'binary') {
|
|
$type[] = 'blob';
|
|
}
|
|
}
|
|
if ($fixed !== false) {
|
|
$fixed = true;
|
|
}
|
|
break;
|
|
case 'enum':
|
|
$type[] = 'enum';
|
|
preg_match_all('/\'((?:\'\'|[^\'])*)\'/', $field['type'], $matches);
|
|
$length = 0;
|
|
$fixed = false;
|
|
if (is_array($matches)) {
|
|
foreach ($matches[1] as &$value) {
|
|
$value = str_replace('\'\'', '\'', $value);
|
|
$length = max($length, strlen($value));
|
|
}
|
|
if ($length == '1' && count($matches[1]) == 2) {
|
|
$type[] = 'boolean';
|
|
if (preg_match('/^(is|has)/', $field['name'])) {
|
|
$type = array_reverse($type);
|
|
}
|
|
} else {
|
|
$values = $matches[1];
|
|
}
|
|
}
|
|
$type[] = 'integer';
|
|
break;
|
|
case 'set':
|
|
$fixed = false;
|
|
$type[] = 'text';
|
|
$type[] = 'integer';
|
|
break;
|
|
case 'date':
|
|
$type[] = 'date';
|
|
$length = null;
|
|
break;
|
|
case 'datetime':
|
|
case 'timestamp':
|
|
$type[] = 'timestamp';
|
|
$length = null;
|
|
break;
|
|
case 'time':
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|
$type[] = 'time';
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|
$length = null;
|
|
break;
|
|
case 'float':
|
|
case 'double':
|
|
case 'real':
|
|
$type[] = 'float';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
break;
|
|
case 'unknown':
|
|
case 'decimal':
|
|
case 'numeric':
|
|
$type[] = 'decimal';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
break;
|
|
case 'tinyblob':
|
|
case 'mediumblob':
|
|
case 'longblob':
|
|
case 'blob':
|
|
$type[] = 'blob';
|
|
$length = null;
|
|
break;
|
|
case 'year':
|
|
$type[] = 'integer';
|
|
$type[] = 'date';
|
|
$length = null;
|
|
break;
|
|
default:
|
|
throw new Doctrine_DataDict_Exception('unknown database attribute type: ' . $dbType);
|
|
}
|
|
|
|
$length = ((int) $length == 0) ? null : (int) $length;
|
|
|
|
if ($values === null) {
|
|
return array('type' => $type, 'length' => $length, 'unsigned' => $unsigned, 'fixed' => $fixed);
|
|
} else {
|
|
return array('type' => $type, 'length' => $length, 'unsigned' => $unsigned, 'fixed' => $fixed, 'values' => $values);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
|
|
* of a field declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $charset name of the charset
|
|
* @return string DBMS specific SQL code portion needed to set the CHARACTER SET
|
|
* of a field declaration.
|
|
*/
|
|
public function getCharsetFieldDeclaration($charset)
|
|
{
|
|
return 'CHARACTER SET ' . $charset;
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to set the COLLATION
|
|
* of a field declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $collation name of the collation
|
|
* @return string DBMS specific SQL code portion needed to set the COLLATION
|
|
* of a field declaration.
|
|
*/
|
|
public function getCollationFieldDeclaration($collation)
|
|
{
|
|
return 'COLLATE ' . $collation;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform prefers identity columns for ID generation.
|
|
* MySql prefers "autoincrement" identity columns since sequences can only
|
|
* be emulated with a table.
|
|
*
|
|
* @return boolean
|
|
* @override
|
|
*/
|
|
public function prefersIdentityColumns()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform supports identity columns.
|
|
* MySql supports this through AUTO_INCREMENT columns.
|
|
*
|
|
* @return boolean
|
|
* @override
|
|
*/
|
|
public function supportsIdentityColumns()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform supports savepoints. MySql does not.
|
|
*
|
|
* @return boolean
|
|
* @override
|
|
*/
|
|
public function supportsSavepoints()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @return unknown
|
|
* @override
|
|
*/
|
|
public function getShowDatabasesSql()
|
|
{
|
|
return 'SHOW DATABASES';
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @todo Throw exception by default?
|
|
* @override
|
|
*/
|
|
public function getListTablesSql()
|
|
{
|
|
return 'SHOW TABLES';
|
|
}
|
|
|
|
/**
|
|
* create a new database
|
|
*
|
|
* @param string $name name of the database that should be created
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getCreateDatabaseSql($name)
|
|
{
|
|
return 'CREATE DATABASE ' . $this->quoteIdentifier($name);
|
|
}
|
|
|
|
/**
|
|
* drop an existing database
|
|
*
|
|
* @param string $name name of the database that should be dropped
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getDropDatabaseSql($name)
|
|
{
|
|
return 'DROP DATABASE ' . $this->quoteIdentifier($name);
|
|
}
|
|
|
|
/**
|
|
* create a new table
|
|
*
|
|
* @param string $name Name of the database that should be created
|
|
* @param array $fields Associative array that contains the definition of each field of the new table
|
|
* The indexes of the array entries are the names of the fields of the table an
|
|
* the array entry values are associative arrays like those that are meant to be
|
|
* passed with the field definitions to get[Type]Declaration() functions.
|
|
* array(
|
|
* 'id' => array(
|
|
* 'type' => 'integer',
|
|
* 'unsigned' => 1
|
|
* 'notnull' => 1
|
|
* 'default' => 0
|
|
* ),
|
|
* 'name' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 12
|
|
* ),
|
|
* 'password' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 12
|
|
* )
|
|
* );
|
|
* @param array $options An associative array of table options:
|
|
* array(
|
|
* 'comment' => 'Foo',
|
|
* 'charset' => 'utf8',
|
|
* 'collate' => 'utf8_unicode_ci',
|
|
* 'type' => 'innodb',
|
|
* );
|
|
*
|
|
* @return void
|
|
* @override
|
|
*/
|
|
public function getCreateTableSql($name, array $fields, array $options = array())
|
|
{
|
|
if ( ! $name) {
|
|
throw new Doctrine_Export_Exception('no valid table name specified');
|
|
}
|
|
if (empty($fields)) {
|
|
throw new Doctrine_Export_Exception('no fields specified for table "'.$name.'"');
|
|
}
|
|
$queryFields = $this->getFieldDeclarationListSql($fields);
|
|
|
|
// build indexes for all foreign key fields (needed in MySQL!!)
|
|
if (isset($options['foreignKeys'])) {
|
|
foreach ($options['foreignKeys'] as $fk) {
|
|
$local = $fk['local'];
|
|
$found = false;
|
|
if (isset($options['indexes'])) {
|
|
foreach ($options['indexes'] as $definition) {
|
|
if (is_string($definition['fields'])) {
|
|
// Check if index already exists on the column
|
|
$found = ($local == $definition['fields']);
|
|
} else if (in_array($local, $definition['fields']) && count($definition['fields']) === 1) {
|
|
// Index already exists on the column
|
|
$found = true;
|
|
}
|
|
}
|
|
}
|
|
if (isset($options['primary']) && !empty($options['primary']) &&
|
|
in_array($local, $options['primary'])) {
|
|
// field is part of the PK and therefore already indexed
|
|
$found = true;
|
|
}
|
|
|
|
if ( ! $found) {
|
|
$options['indexes'][$local] = array('fields' => array($local => array()));
|
|
}
|
|
}
|
|
}
|
|
|
|
// add all indexes
|
|
if (isset($options['indexes']) && ! empty($options['indexes'])) {
|
|
foreach($options['indexes'] as $index => $definition) {
|
|
$queryFields .= ', ' . $this->getIndexDeclarationSql($index, $definition);
|
|
}
|
|
}
|
|
|
|
// attach all primary keys
|
|
if (isset($options['primary']) && ! empty($options['primary'])) {
|
|
$keyColumns = array_values($options['primary']);
|
|
$keyColumns = array_map(array($this->_conn, 'quoteIdentifier'), $keyColumns);
|
|
$queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')';
|
|
}
|
|
|
|
$query = 'CREATE ';
|
|
if (!empty($options['temporary'])) {
|
|
$query .= 'TEMPORARY ';
|
|
}
|
|
$query.= 'TABLE ' . $this->quoteIdentifier($name, true) . ' (' . $queryFields . ')';
|
|
|
|
$optionStrings = array();
|
|
|
|
if (isset($options['comment'])) {
|
|
$optionStrings['comment'] = 'COMMENT = ' . $this->quote($options['comment'], 'text');
|
|
}
|
|
if (isset($options['charset'])) {
|
|
$optionStrings['charset'] = 'DEFAULT CHARACTER SET ' . $options['charset'];
|
|
if (isset($options['collate'])) {
|
|
$optionStrings['charset'] .= ' COLLATE ' . $options['collate'];
|
|
}
|
|
}
|
|
|
|
$type = false;
|
|
|
|
// get the type of the table
|
|
if (isset($options['type'])) {
|
|
$type = $options['type'];
|
|
} else {
|
|
$type = $this->getAttribute(Doctrine::ATTR_DEFAULT_TABLE_TYPE);
|
|
}
|
|
|
|
if ($type) {
|
|
$optionStrings[] = 'ENGINE = ' . $type;
|
|
}
|
|
|
|
if ( ! empty($optionStrings)) {
|
|
$query.= ' '.implode(' ', $optionStrings);
|
|
}
|
|
$sql[] = $query;
|
|
|
|
if (isset($options['foreignKeys'])) {
|
|
foreach ((array) $options['foreignKeys'] as $k => $definition) {
|
|
if (is_array($definition)) {
|
|
$sql[] = $this->getCreateForeignKeySql($name, $definition);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* alter an existing table
|
|
*
|
|
* @param string $name name of the table that is intended to be changed.
|
|
* @param array $changes associative array that contains the details of each type
|
|
* of change that is intended to be performed. The types of
|
|
* changes that are currently supported are defined as follows:
|
|
*
|
|
* name
|
|
*
|
|
* New name for the table.
|
|
*
|
|
* add
|
|
*
|
|
* Associative array with the names of fields to be added as
|
|
* indexes of the array. The value of each entry of the array
|
|
* should be set to another associative array with the properties
|
|
* of the fields to be added. The properties of the fields should
|
|
* be the same as defined by the Metabase parser.
|
|
*
|
|
*
|
|
* remove
|
|
*
|
|
* Associative array with the names of fields to be removed as indexes
|
|
* of the array. Currently the values assigned to each entry are ignored.
|
|
* An empty array should be used for future compatibility.
|
|
*
|
|
* rename
|
|
*
|
|
* Associative array with the names of fields to be renamed as indexes
|
|
* of the array. The value of each entry of the array should be set to
|
|
* another associative array with the entry named name with the new
|
|
* field name and the entry named Declaration that is expected to contain
|
|
* the portion of the field declaration already in DBMS specific SQL code
|
|
* as it is used in the CREATE TABLE statement.
|
|
*
|
|
* change
|
|
*
|
|
* Associative array with the names of the fields to be changed as indexes
|
|
* of the array. Keep in mind that if it is intended to change either the
|
|
* name of a field and any other properties, the change array entries
|
|
* should have the new names of the fields as array indexes.
|
|
*
|
|
* The value of each entry of the array should be set to another associative
|
|
* array with the properties of the fields to that are meant to be changed as
|
|
* array entries. These entries should be assigned to the new values of the
|
|
* respective properties. The properties of the fields should be the same
|
|
* as defined by the Metabase parser.
|
|
*
|
|
* Example
|
|
* array(
|
|
* 'name' => 'userlist',
|
|
* 'add' => array(
|
|
* 'quota' => array(
|
|
* 'type' => 'integer',
|
|
* 'unsigned' => 1
|
|
* )
|
|
* ),
|
|
* 'remove' => array(
|
|
* 'file_limit' => array(),
|
|
* 'time_limit' => array()
|
|
* ),
|
|
* 'change' => array(
|
|
* 'name' => array(
|
|
* 'length' => '20',
|
|
* 'definition' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 20,
|
|
* ),
|
|
* )
|
|
* ),
|
|
* 'rename' => array(
|
|
* 'sex' => array(
|
|
* 'name' => 'gender',
|
|
* 'definition' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 1,
|
|
* 'default' => 'M',
|
|
* ),
|
|
* )
|
|
* )
|
|
* )
|
|
*
|
|
* @param boolean $check indicates whether the function should just check if the DBMS driver
|
|
* can perform the requested table alterations if the value is true or
|
|
* actually perform them otherwise.
|
|
* @return boolean
|
|
* @override
|
|
*/
|
|
public function getAlterTableSql($name, array $changes, $check = false)
|
|
{
|
|
if ( ! $name) {
|
|
throw new Doctrine_Export_Exception('no valid table name specified');
|
|
}
|
|
foreach ($changes as $changeName => $change) {
|
|
switch ($changeName) {
|
|
case 'add':
|
|
case 'remove':
|
|
case 'change':
|
|
case 'rename':
|
|
case 'name':
|
|
break;
|
|
default:
|
|
throw new Doctrine_Export_Exception('change type "' . $changeName . '" not yet supported');
|
|
}
|
|
}
|
|
|
|
if ($check) {
|
|
return true;
|
|
}
|
|
|
|
$query = '';
|
|
if ( ! empty($changes['name'])) {
|
|
$change_name = $this->quoteIdentifier($changes['name']);
|
|
$query .= 'RENAME TO ' . $change_name;
|
|
}
|
|
|
|
if ( ! empty($changes['add']) && is_array($changes['add'])) {
|
|
foreach ($changes['add'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$query.= 'ADD ' . $this->getDeclarationSql($fieldName, $field);
|
|
}
|
|
}
|
|
|
|
if ( ! empty($changes['remove']) && is_array($changes['remove'])) {
|
|
foreach ($changes['remove'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query .= ', ';
|
|
}
|
|
$fieldName = $this->quoteIdentifier($fieldName);
|
|
$query .= 'DROP ' . $fieldName;
|
|
}
|
|
}
|
|
|
|
$rename = array();
|
|
if ( ! empty($changes['rename']) && is_array($changes['rename'])) {
|
|
foreach ($changes['rename'] as $fieldName => $field) {
|
|
$rename[$field['name']] = $fieldName;
|
|
}
|
|
}
|
|
|
|
if ( ! empty($changes['change']) && is_array($changes['change'])) {
|
|
foreach ($changes['change'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
if (isset($rename[$fieldName])) {
|
|
$oldFieldName = $rename[$fieldName];
|
|
unset($rename[$fieldName]);
|
|
} else {
|
|
$oldFieldName = $fieldName;
|
|
}
|
|
$oldFieldName = $this->quoteIdentifier($oldFieldName, true);
|
|
$query .= 'CHANGE ' . $oldFieldName . ' '
|
|
. $this->getDeclarationSql($fieldName, $field['definition']);
|
|
}
|
|
}
|
|
|
|
if ( ! empty($rename) && is_array($rename)) {
|
|
foreach ($rename as $renameName => $renamedField) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$field = $changes['rename'][$renamedField];
|
|
$renamedField = $this->quoteIdentifier($renamedField, true);
|
|
$query .= 'CHANGE ' . $renamedField . ' '
|
|
. $this->getDeclarationSql($field['name'], $field['definition']);
|
|
}
|
|
}
|
|
|
|
if ( ! $query) {
|
|
return false;
|
|
}
|
|
|
|
$name = $this->quoteIdentifier($name, true);
|
|
|
|
return 'ALTER TABLE ' . $name . ' ' . $query;
|
|
}
|
|
|
|
/**
|
|
* Get the stucture of a field into an array
|
|
*
|
|
* @author Leoncx
|
|
* @param string $table name of the table on which the index is to be created
|
|
* @param string $name name of the index to be created
|
|
* @param array $definition associative array that defines properties of the index to be created.
|
|
* Currently, only one property named FIELDS is supported. This property
|
|
* is also an associative with the names of the index fields as array
|
|
* indexes. Each entry of this array is set to another type of associative
|
|
* array that specifies properties of the index that are specific to
|
|
* each field.
|
|
*
|
|
* Currently, only the sorting property is supported. It should be used
|
|
* to define the sorting direction of the index. It may be set to either
|
|
* ascending or descending.
|
|
*
|
|
* Not all DBMS support index sorting direction configuration. The DBMS
|
|
* drivers of those that do not support it ignore this property. Use the
|
|
* function supports() to determine whether the DBMS driver can manage indexes.
|
|
*
|
|
* Example
|
|
* array(
|
|
* 'fields' => array(
|
|
* 'user_name' => array(
|
|
* 'sorting' => 'ASC'
|
|
* 'length' => 10
|
|
* ),
|
|
* 'last_login' => array()
|
|
* )
|
|
* )
|
|
* @throws PDOException
|
|
* @return void
|
|
* @override
|
|
*/
|
|
public function getCreateIndexSql($table, $name, array $definition)
|
|
{
|
|
$table = $table;
|
|
$name = $this->formatter->getIndexName($name);
|
|
$name = $this->quoteIdentifier($name);
|
|
$type = '';
|
|
if (isset($definition['type'])) {
|
|
switch (strtolower($definition['type'])) {
|
|
case 'fulltext':
|
|
case 'unique':
|
|
$type = strtoupper($definition['type']) . ' ';
|
|
break;
|
|
default:
|
|
throw new Doctrine_Export_Exception('Unknown index type ' . $definition['type']);
|
|
}
|
|
}
|
|
$query = 'CREATE ' . $type . 'INDEX ' . $name . ' ON ' . $table;
|
|
$query .= ' (' . $this->getIndexFieldDeclarationListSql($definition['fields']) . ')';
|
|
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to declare an integer type
|
|
* field to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $name name the field to be declared.
|
|
* @param string $field associative array with the name of the properties
|
|
* of the field being declared as array indexes.
|
|
* Currently, the types of supported field
|
|
* properties are as follows:
|
|
*
|
|
* unsigned
|
|
* Boolean flag that indicates whether the field
|
|
* should be declared as unsigned integer if
|
|
* possible.
|
|
*
|
|
* default
|
|
* Integer value to be used as default for this
|
|
* field.
|
|
*
|
|
* notnull
|
|
* Boolean flag that indicates whether this field is
|
|
* constrained to not be set to null.
|
|
* @return string DBMS specific SQL code portion that should be used to
|
|
* declare the specified field.
|
|
* @override
|
|
*/
|
|
public function getIntegerDeclarationSql($name, $field)
|
|
{
|
|
$default = $autoinc = '';
|
|
if ( ! empty($field['autoincrement'])) {
|
|
$autoinc = ' AUTO_INCREMENT';
|
|
} elseif (array_key_exists('default', $field)) {
|
|
if ($field['default'] === '') {
|
|
$field['default'] = empty($field['notnull']) ? null : 0;
|
|
}
|
|
if (is_null($field['default'])) {
|
|
$default = ' DEFAULT NULL';
|
|
} else {
|
|
$default = ' DEFAULT '.$this->quote($field['default']);
|
|
}
|
|
} elseif (empty($field['notnull'])) {
|
|
$default = ' DEFAULT NULL';
|
|
}
|
|
|
|
$notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : '';
|
|
$unsigned = (isset($field['unsigned']) && $field['unsigned']) ? ' UNSIGNED' : '';
|
|
|
|
$name = $this->quoteIdentifier($name, true);
|
|
|
|
return $name . ' ' . $this->getNativeDeclaration($field) . $unsigned . $default . $notnull . $autoinc;
|
|
}
|
|
|
|
/**
|
|
* getDefaultDeclaration
|
|
* Obtain DBMS specific SQL code portion needed to set a default value
|
|
* declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param array $field field definition array
|
|
* @return string DBMS specific SQL code portion needed to set a default value
|
|
* @override
|
|
*/
|
|
public function getDefaultFieldDeclarationSql($field)
|
|
{
|
|
$default = empty($field['notnull']) && !in_array($field['type'], array('clob', 'blob'))
|
|
? ' DEFAULT NULL' : '';
|
|
|
|
if (isset($field['default']) && ( ! isset($field['length']) || $field['length'] <= 255)) {
|
|
if ($field['default'] === '') {
|
|
$field['default'] = null;
|
|
if (! empty($field['notnull']) && array_key_exists($field['type'], $this->valid_default_values)) {
|
|
$field['default'] = $this->valid_default_values[$field['type']];
|
|
}
|
|
|
|
if ($field['default'] === ''
|
|
&& ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_EMPTY_TO_NULL)
|
|
) {
|
|
$field['default'] = ' ';
|
|
}
|
|
}
|
|
|
|
if ($field['type'] == 'enum' && $this->_conn->getAttribute(Doctrine::ATTR_USE_NATIVE_ENUM)) {
|
|
$fieldType = 'varchar';
|
|
} else {
|
|
if ($field['type'] === 'boolean') {
|
|
$fields['default'] = $this->convertBooleans($field['default']);
|
|
}
|
|
$fieldType = $field['type'];
|
|
}
|
|
|
|
$default = ' DEFAULT ' . $this->quote($field['default'], $fieldType);
|
|
}
|
|
return $default;
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to set an index
|
|
* declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $charset name of the index
|
|
* @param array $definition index definition
|
|
* @return string DBMS specific SQL code portion needed to set an index
|
|
* @override
|
|
*/
|
|
public function getIndexDeclarationSql($name, array $definition)
|
|
{
|
|
$name = $this->formatter->getIndexName($name);
|
|
$type = '';
|
|
if (isset($definition['type'])) {
|
|
switch (strtolower($definition['type'])) {
|
|
case 'fulltext':
|
|
case 'unique':
|
|
$type = strtoupper($definition['type']) . ' ';
|
|
break;
|
|
default:
|
|
throw new Doctrine_Export_Exception('Unknown index type ' . $definition['type']);
|
|
}
|
|
}
|
|
|
|
if ( ! isset($definition['fields'])) {
|
|
throw new Doctrine_Export_Exception('No index columns given.');
|
|
}
|
|
if ( ! is_array($definition['fields'])) {
|
|
$definition['fields'] = array($definition['fields']);
|
|
}
|
|
|
|
$query = $type . 'INDEX ' . $this->quoteIdentifier($name);
|
|
|
|
$query .= ' (' . $this->getIndexFieldDeclarationListSql($definition['fields']) . ')';
|
|
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* getIndexFieldDeclarationList
|
|
* Obtain DBMS specific SQL code portion needed to set an index
|
|
* declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getIndexFieldDeclarationListSql(array $fields)
|
|
{
|
|
$declFields = array();
|
|
|
|
foreach ($fields as $fieldName => $field) {
|
|
$fieldString = $this->quoteIdentifier($fieldName);
|
|
|
|
if (is_array($field)) {
|
|
if (isset($field['length'])) {
|
|
$fieldString .= '(' . $field['length'] . ')';
|
|
}
|
|
|
|
if (isset($field['sorting'])) {
|
|
$sort = strtoupper($field['sorting']);
|
|
switch ($sort) {
|
|
case 'ASC':
|
|
case 'DESC':
|
|
$fieldString .= ' ' . $sort;
|
|
break;
|
|
default:
|
|
throw new Doctrine_Export_Exception('Unknown index sorting option given.');
|
|
}
|
|
}
|
|
} else {
|
|
$fieldString = $this->quoteIdentifier($field);
|
|
}
|
|
$declFields[] = $fieldString;
|
|
}
|
|
return implode(', ', $declFields);
|
|
}
|
|
|
|
/**
|
|
* getAdvancedForeignKeyOptions
|
|
* Return the FOREIGN KEY query section dealing with non-standard options
|
|
* as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
|
|
*
|
|
* @param array $definition
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getAdvancedForeignKeyOptionsSql(array $definition)
|
|
{
|
|
$query = '';
|
|
if ( ! empty($definition['match'])) {
|
|
$query .= ' MATCH ' . $definition['match'];
|
|
}
|
|
if ( ! empty($definition['onUpdate'])) {
|
|
$query .= ' ON UPDATE ' . $this->getForeignKeyReferentialActionSql($definition['onUpdate']);
|
|
}
|
|
if ( ! empty($definition['onDelete'])) {
|
|
$query .= ' ON DELETE ' . $this->getForeignKeyReferentialActionSql($definition['onDelete']);
|
|
}
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* drop existing index
|
|
*
|
|
* @param string $table name of table that should be used in method
|
|
* @param string $name name of the index to be dropped
|
|
* @return void
|
|
* @override
|
|
*/
|
|
public function getDropIndexSql($table, $name)
|
|
{
|
|
$table = $this->quoteIdentifier($table, true);
|
|
$name = $this->quoteIdentifier($this->formatter->getIndexName($name), true);
|
|
return 'DROP INDEX ' . $name . ' ON ' . $table;
|
|
}
|
|
|
|
/**
|
|
* dropTable
|
|
*
|
|
* @param string $table name of table that should be dropped from the database
|
|
* @throws PDOException
|
|
* @return void
|
|
* @override
|
|
*/
|
|
public function getDropTableSql($table)
|
|
{
|
|
$table = $this->quoteIdentifier($table, true);
|
|
return 'DROP TABLE ' . $table;
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @param unknown_type $level
|
|
* @override
|
|
*/
|
|
public function getSetTransactionIsolationSql($level)
|
|
{
|
|
return 'SET SESSION TRANSACTION ISOLATION LEVEL ' . $this->_getTransactionIsolationLevelSql($level);
|
|
}
|
|
}
|
|
|
|
?>
|