082a0130c2
Signed-off-by: Gergely POLONKAI (W00d5t0ck) <polesz@w00d5t0ck.info>
769 lines
25 KiB
PHP
769 lines
25 KiB
PHP
<?php
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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.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Platforms;
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use Doctrine\DBAL\DBALException,
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Doctrine\DBAL\Schema\TableDiff,
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Doctrine\DBAL\Schema\Index,
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Doctrine\DBAL\Schema\Table;
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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. This platform represents a MySQL 5.0 or greater platform that
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* uses the InnoDB storage engine.
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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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* @author Benjamin Eberlei <kontakt@beberlei.de>
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* @todo Rename: MySQLPlatform
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*/
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class MySqlPlatform extends AbstractPlatform
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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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* 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 the position of the first occurrence of substring $substr in string $str
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*
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* @param string $substr literal string to find
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* @param string $str literal string
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* @param int $pos position to start at, beginning of string by default
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* @return integer
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*/
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public function getLocateExpression($str, $substr, $startPos = false)
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{
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if ($startPos == false) {
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return 'LOCATE(' . $substr . ', ' . $str . ')';
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} else {
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return 'LOCATE(' . $substr . ', ' . $str . ', '.$startPos.')';
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}
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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) $args) . ')';
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}
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public function getDateDiffExpression($date1, $date2)
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{
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return 'DATEDIFF(' . $date1 . ', ' . $date2 . ')';
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}
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public function getDateAddDaysExpression($date, $days)
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{
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return 'DATE_ADD(' . $date . ', INTERVAL ' . $days . ' DAY)';
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}
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public function getDateSubDaysExpression($date, $days)
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{
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return 'DATE_SUB(' . $date . ', INTERVAL ' . $days . ' DAY)';
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}
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public function getDateAddMonthExpression($date, $months)
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{
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return 'DATE_ADD(' . $date . ', INTERVAL ' . $months . ' MONTH)';
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}
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public function getDateSubMonthExpression($date, $months)
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{
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return 'DATE_SUB(' . $date . ', INTERVAL ' . $months . ' MONTH)';
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}
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public function getListDatabasesSQL()
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{
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return 'SHOW DATABASES';
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}
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public function getListTableConstraintsSQL($table)
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{
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return 'SHOW INDEX FROM ' . $table;
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}
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/**
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* Two approaches to listing the table indexes. The information_schema is
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* prefered, because it doesn't cause problems with SQL keywords such as "order" or "table".
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*
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* @param string $table
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* @param string $currentDatabase
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* @return string
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*/
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public function getListTableIndexesSQL($table, $currentDatabase = null)
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{
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if ($currentDatabase) {
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return "SELECT TABLE_NAME AS `Table`, NON_UNIQUE AS Non_Unique, INDEX_NAME AS Key_name, ".
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"SEQ_IN_INDEX AS Seq_in_index, COLUMN_NAME AS Column_Name, COLLATION AS Collation, ".
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"CARDINALITY AS Cardinality, SUB_PART AS Sub_Part, PACKED AS Packed, " .
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"NULLABLE AS `Null`, INDEX_TYPE AS Index_Type, COMMENT AS Comment " .
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"FROM information_schema.STATISTICS WHERE TABLE_NAME = '" . $table . "' AND TABLE_SCHEMA = '" . $currentDatabase . "'";
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} else {
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return 'SHOW INDEX FROM ' . $table;
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}
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}
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public function getListViewsSQL($database)
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{
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return "SELECT * FROM information_schema.VIEWS WHERE TABLE_SCHEMA = '".$database."'";
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}
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public function getListTableForeignKeysSQL($table, $database = null)
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{
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$sql = "SELECT DISTINCT k.`CONSTRAINT_NAME`, k.`COLUMN_NAME`, k.`REFERENCED_TABLE_NAME`, ".
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"k.`REFERENCED_COLUMN_NAME` /*!50116 , c.update_rule, c.delete_rule */ ".
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"FROM information_schema.key_column_usage k /*!50116 ".
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"INNER JOIN information_schema.referential_constraints c ON ".
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" c.constraint_name = k.constraint_name AND ".
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" c.table_name = '$table' */ WHERE k.table_name = '$table'";
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if ($database) {
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$sql .= " AND k.table_schema = '$database' /*!50116 AND c.constraint_schema = '$database' */";
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}
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$sql .= " AND k.`REFERENCED_COLUMN_NAME` is not NULL";
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return $sql;
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}
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public function getCreateViewSQL($name, $sql)
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{
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return 'CREATE VIEW ' . $name . ' AS ' . $sql;
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}
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public function getDropViewSQL($name)
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{
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return 'DROP VIEW '. $name;
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}
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/**
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* Gets the SQL snippet used to declare a VARCHAR column on the MySql platform.
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*
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* @params array $field
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*/
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protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
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{
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return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
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: ($length ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)');
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}
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/** @override */
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public function getClobTypeDeclarationSQL(array $field)
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{
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if ( ! empty($field['length']) && is_numeric($field['length'])) {
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$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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* @override
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*/
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public function getDateTimeTypeDeclarationSQL(array $fieldDeclaration)
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{
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if (isset($fieldDeclaration['version']) && $fieldDeclaration['version'] == true) {
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return 'TIMESTAMP';
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} else {
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return 'DATETIME';
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}
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}
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/**
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* @override
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*/
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public function getDateTypeDeclarationSQL(array $fieldDeclaration)
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{
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return 'DATE';
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}
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/**
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* @override
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*/
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public function getTimeTypeDeclarationSQL(array $fieldDeclaration)
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{
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return 'TIME';
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}
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/**
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* @override
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*/
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public function getBooleanTypeDeclarationSQL(array $field)
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{
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return 'TINYINT(1)';
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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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* Whether the platform prefers identity columns for ID generation.
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* MySql prefers "autoincrement" identity columns since sequences can only
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* be emulated with a table.
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*
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* @return boolean
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* @override
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*/
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public function prefersIdentityColumns()
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{
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return true;
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}
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/**
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* Whether the platform supports identity columns.
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* MySql supports this through AUTO_INCREMENT columns.
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*
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* @return boolean
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* @override
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*/
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public function supportsIdentityColumns()
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{
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return true;
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}
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public function supportsInlineColumnComments()
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{
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return true;
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}
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public function getShowDatabasesSQL()
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{
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return 'SHOW DATABASES';
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}
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public function getListTablesSQL()
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{
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return "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'";
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}
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public function getListTableColumnsSQL($table, $database = null)
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{
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if ($database) {
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return "SELECT COLUMN_NAME AS Field, COLUMN_TYPE AS Type, IS_NULLABLE AS `Null`, ".
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"COLUMN_KEY AS `Key`, COLUMN_DEFAULT AS `Default`, EXTRA AS Extra, COLUMN_COMMENT AS Comment, " .
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"CHARACTER_SET_NAME AS CharacterSet, COLLATION_NAME AS CollactionName ".
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"FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = '" . $database . "' AND TABLE_NAME = '" . $table . "'";
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} else {
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return 'DESCRIBE ' . $table;
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}
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}
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/**
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* create a new database
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*
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* @param string $name name of the database that should be created
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* @return string
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* @override
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*/
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public function getCreateDatabaseSQL($name)
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{
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return 'CREATE DATABASE ' . $name;
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}
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/**
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* drop an existing database
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*
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* @param string $name name of the database that should be dropped
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* @return string
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* @override
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*/
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public function getDropDatabaseSQL($name)
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{
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return 'DROP DATABASE ' . $name;
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}
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/**
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* create a new table
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*
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* @param string $tableName Name of the database that should be created
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* @param array $columns Associative array that contains the definition of each field of the new table
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* The indexes of the array entries are the names of the fields of the table an
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* the array entry values are associative arrays like those that are meant to be
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* passed with the field definitions to get[Type]Declaration() functions.
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* array(
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* 'id' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* 'notnull' => 1
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* 'default' => 0
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* ),
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* 'name' => array(
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* 'type' => 'text',
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* 'length' => 12
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* ),
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* 'password' => array(
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* 'type' => 'text',
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* 'length' => 12
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* )
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* );
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* @param array $options An associative array of table options:
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* array(
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* 'comment' => 'Foo',
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* 'charset' => 'utf8',
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* 'collate' => 'utf8_unicode_ci',
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* 'engine' => 'innodb',
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* 'foreignKeys' => array(
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* new ForeignKeyConstraint(),
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* new ForeignKeyConstraint(),
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* new ForeignKeyConstraint(),
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* // etc
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* )
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* );
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*
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* @return void
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* @override
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*/
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protected function _getCreateTableSQL($tableName, array $columns, array $options = array())
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{
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$queryFields = $this->getColumnDeclarationListSQL($columns);
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if (isset($options['uniqueConstraints']) && ! empty($options['uniqueConstraints'])) {
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foreach ($options['uniqueConstraints'] as $index => $definition) {
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$queryFields .= ', ' . $this->getUniqueConstraintDeclarationSQL($index, $definition);
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}
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}
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// add all indexes
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if (isset($options['indexes']) && ! empty($options['indexes'])) {
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foreach($options['indexes'] as $index => $definition) {
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$queryFields .= ', ' . $this->getIndexDeclarationSQL($index, $definition);
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}
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}
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// attach all primary keys
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if (isset($options['primary']) && ! empty($options['primary'])) {
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$keyColumns = array_unique(array_values($options['primary']));
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$queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')';
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}
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$query = 'CREATE ';
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if (!empty($options['temporary'])) {
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$query .= 'TEMPORARY ';
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}
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$query.= 'TABLE ' . $tableName . ' (' . $queryFields . ')';
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$optionStrings = array();
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if (isset($options['comment'])) {
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$optionStrings['comment'] = 'COMMENT = ' . $options['comment'];
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}
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if (isset($options['charset'])) {
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$optionStrings['charset'] = 'DEFAULT CHARACTER SET ' . $options['charset'];
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if (isset($options['collate'])) {
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$optionStrings['charset'] .= ' COLLATE ' . $options['collate'];
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}
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}
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// get the type of the table
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if (isset($options['engine'])) {
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$optionStrings[] = 'ENGINE = ' . $options['engine'];
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} else {
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// default to innodb
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$optionStrings[] = 'ENGINE = InnoDB';
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}
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if ( ! empty($optionStrings)) {
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$query.= ' '.implode(' ', $optionStrings);
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}
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$sql[] = $query;
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if (isset($options['foreignKeys'])) {
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foreach ((array) $options['foreignKeys'] as $definition) {
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$sql[] = $this->getCreateForeignKeySQL($definition, $tableName);
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}
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}
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return $sql;
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}
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/**
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* Gets the SQL to alter an existing table.
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*
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* @param TableDiff $diff
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* @return array
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*/
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public function getAlterTableSQL(TableDiff $diff)
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{
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$columnSql = array();
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$queryParts = array();
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if ($diff->newName !== false) {
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$queryParts[] = 'RENAME TO ' . $diff->newName;
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}
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foreach ($diff->addedColumns AS $fieldName => $column) {
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if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
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continue;
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}
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$columnArray = $column->toArray();
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$columnArray['comment'] = $this->getColumnComment($column);
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$queryParts[] = 'ADD ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnArray);
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}
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foreach ($diff->removedColumns AS $column) {
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if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
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continue;
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}
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$queryParts[] = 'DROP ' . $column->getQuotedName($this);
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}
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foreach ($diff->changedColumns AS $columnDiff) {
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if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
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continue;
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}
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/* @var $columnDiff Doctrine\DBAL\Schema\ColumnDiff */
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$column = $columnDiff->column;
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$columnArray = $column->toArray();
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$columnArray['comment'] = $this->getColumnComment($column);
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$queryParts[] = 'CHANGE ' . ($columnDiff->oldColumnName) . ' '
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. $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnArray);
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}
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foreach ($diff->renamedColumns AS $oldColumnName => $column) {
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if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
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continue;
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}
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$columnArray = $column->toArray();
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$columnArray['comment'] = $this->getColumnComment($column);
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$queryParts[] = 'CHANGE ' . $oldColumnName . ' '
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. $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnArray);
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}
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$sql = array();
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$tableSql = array();
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if (!$this->onSchemaAlterTable($diff, $tableSql)) {
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if (count($queryParts) > 0) {
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$sql[] = 'ALTER TABLE ' . $diff->name . ' ' . implode(", ", $queryParts);
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}
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$sql = array_merge(
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$this->getPreAlterTableIndexForeignKeySQL($diff),
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$sql,
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$this->getPostAlterTableIndexForeignKeySQL($diff)
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);
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}
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return array_merge($sql, $tableSql, $columnSql);
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}
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|
|
|
/**
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|
* Fix for DROP/CREATE index after foreign key change from OneToOne to ManyToOne
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|
*
|
|
* @param TableDiff $diff
|
|
* @return array
|
|
*/
|
|
protected function getPreAlterTableIndexForeignKeySQL(TableDiff $diff)
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|
{
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|
$sql = array();
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|
$table = $diff->name;
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|
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|
foreach ($diff->removedIndexes AS $remKey => $remIndex) {
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|
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|
foreach ($diff->addedIndexes as $addKey => $addIndex) {
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|
if ($remIndex->getColumns() == $addIndex->getColumns()) {
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|
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|
$columns = $addIndex->getColumns();
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|
$type = '';
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|
if ($addIndex->isUnique()) {
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|
$type = 'UNIQUE ';
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}
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|
|
|
$query = 'ALTER TABLE ' . $table . ' DROP INDEX ' . $remIndex->getName() . ', ';
|
|
$query .= 'ADD ' . $type . 'INDEX ' . $addIndex->getName();
|
|
$query .= ' (' . $this->getIndexFieldDeclarationListSQL($columns) . ')';
|
|
|
|
$sql[] = $query;
|
|
|
|
unset($diff->removedIndexes[$remKey]);
|
|
unset($diff->addedIndexes[$addKey]);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$sql = array_merge($sql, parent::getPreAlterTableIndexForeignKeySQL($diff));
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* 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 getIntegerTypeDeclarationSQL(array $field)
|
|
{
|
|
return 'INT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
|
|
}
|
|
|
|
/** @override */
|
|
public function getBigIntTypeDeclarationSQL(array $field)
|
|
{
|
|
return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
|
|
}
|
|
|
|
/** @override */
|
|
public function getSmallIntTypeDeclarationSQL(array $field)
|
|
{
|
|
return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
|
|
}
|
|
|
|
/** @override */
|
|
protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef)
|
|
{
|
|
$autoinc = '';
|
|
if ( ! empty($columnDef['autoincrement'])) {
|
|
$autoinc = ' AUTO_INCREMENT';
|
|
}
|
|
$unsigned = (isset($columnDef['unsigned']) && $columnDef['unsigned']) ? ' UNSIGNED' : '';
|
|
|
|
return $unsigned . $autoinc;
|
|
}
|
|
|
|
/**
|
|
* Return the FOREIGN KEY query section dealing with non-standard options
|
|
* as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
|
|
*
|
|
* @param ForeignKeyConstraint $foreignKey
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getAdvancedForeignKeyOptionsSQL(\Doctrine\DBAL\Schema\ForeignKeyConstraint $foreignKey)
|
|
{
|
|
$query = '';
|
|
if ($foreignKey->hasOption('match')) {
|
|
$query .= ' MATCH ' . $foreignKey->getOption('match');
|
|
}
|
|
$query .= parent::getAdvancedForeignKeyOptionsSQL($foreignKey);
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL to drop an index of a table.
|
|
*
|
|
* @param Index $index name of the index to be dropped
|
|
* @param string|Table $table name of table that should be used in method
|
|
* @override
|
|
*/
|
|
public function getDropIndexSQL($index, $table=null)
|
|
{
|
|
if($index instanceof Index) {
|
|
$indexName = $index->getQuotedName($this);
|
|
} else if(is_string($index)) {
|
|
$indexName = $index;
|
|
} else {
|
|
throw new \InvalidArgumentException('MysqlPlatform::getDropIndexSQL() expects $index parameter to be string or \Doctrine\DBAL\Schema\Index.');
|
|
}
|
|
|
|
if($table instanceof Table) {
|
|
$table = $table->getQuotedName($this);
|
|
} else if(!is_string($table)) {
|
|
throw new \InvalidArgumentException('MysqlPlatform::getDropIndexSQL() expects $table parameter to be string or \Doctrine\DBAL\Schema\Table.');
|
|
}
|
|
|
|
if ($index instanceof Index && $index->isPrimary()) {
|
|
// mysql primary keys are always named "PRIMARY",
|
|
// so we cannot use them in statements because of them being keyword.
|
|
return $this->getDropPrimaryKeySQL($table);
|
|
}
|
|
|
|
return 'DROP INDEX ' . $indexName . ' ON ' . $table;
|
|
}
|
|
|
|
/**
|
|
* @param Index $index
|
|
* @param Table $table
|
|
*/
|
|
protected function getDropPrimaryKeySQL($table)
|
|
{
|
|
return 'ALTER TABLE ' . $table . ' DROP PRIMARY KEY';
|
|
}
|
|
|
|
public function getSetTransactionIsolationSQL($level)
|
|
{
|
|
return 'SET SESSION TRANSACTION ISOLATION LEVEL ' . $this->_getTransactionIsolationLevelSQL($level);
|
|
}
|
|
|
|
/**
|
|
* Get the platform name for this instance.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getName()
|
|
{
|
|
return 'mysql';
|
|
}
|
|
|
|
public function getReadLockSQL()
|
|
{
|
|
return 'LOCK IN SHARE MODE';
|
|
}
|
|
|
|
protected function initializeDoctrineTypeMappings()
|
|
{
|
|
$this->doctrineTypeMapping = array(
|
|
'tinyint' => 'boolean',
|
|
'smallint' => 'smallint',
|
|
'mediumint' => 'integer',
|
|
'int' => 'integer',
|
|
'integer' => 'integer',
|
|
'bigint' => 'bigint',
|
|
'tinytext' => 'text',
|
|
'mediumtext' => 'text',
|
|
'longtext' => 'text',
|
|
'text' => 'text',
|
|
'varchar' => 'string',
|
|
'string' => 'string',
|
|
'char' => 'string',
|
|
'date' => 'date',
|
|
'datetime' => 'datetime',
|
|
'timestamp' => 'datetime',
|
|
'time' => 'time',
|
|
'float' => 'float',
|
|
'double' => 'float',
|
|
'real' => 'float',
|
|
'decimal' => 'decimal',
|
|
'numeric' => 'decimal',
|
|
'year' => 'date',
|
|
'longblob' => 'blob',
|
|
'blob' => 'blob',
|
|
'mediumblob' => 'blob',
|
|
'tinyblob' => 'blob',
|
|
);
|
|
}
|
|
|
|
public function getVarcharMaxLength()
|
|
{
|
|
return 65535;
|
|
}
|
|
|
|
protected function getReservedKeywordsClass()
|
|
{
|
|
return 'Doctrine\DBAL\Platforms\Keywords\MySQLKeywords';
|
|
}
|
|
|
|
/**
|
|
* Get SQL to safely drop a temporary table WITHOUT implicitly committing an open transaction.
|
|
*
|
|
* MySQL commits a transaction implicitly when DROP TABLE is executed, however not
|
|
* if DROP TEMPORARY TABLE is executed.
|
|
*
|
|
* @throws \InvalidArgumentException
|
|
* @param $table
|
|
* @return string
|
|
*/
|
|
public function getDropTemporaryTableSQL($table)
|
|
{
|
|
if ($table instanceof \Doctrine\DBAL\Schema\Table) {
|
|
$table = $table->getQuotedName($this);
|
|
} else if(!is_string($table)) {
|
|
throw new \InvalidArgumentException('getDropTableSQL() expects $table parameter to be string or \Doctrine\DBAL\Schema\Table.');
|
|
}
|
|
|
|
return 'DROP TEMPORARY TABLE ' . $table;
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL Snippet used to declare a BLOB column type.
|
|
*/
|
|
public function getBlobTypeDeclarationSQL(array $field)
|
|
{
|
|
return 'LONGBLOB';
|
|
}
|
|
}
|