322 lines
10 KiB
PHP
322 lines
10 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\Schema;
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/**
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* xxx
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @version $Revision$
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* @since 2.0
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*/
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class Doctrine_DBAL_Schema_MySqlSchemaManager extends Doctrine_DBAL_Schema_AbstractSchemaManager
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{
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/**
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* lists all database sequences
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*
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* @param string|null $database
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* @return array
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* @override
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*/
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public function listSequences($database = null)
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{
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$query = 'SHOW TABLES';
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if ( ! is_null($database)) {
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$query .= ' FROM ' . $database;
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}
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$tableNames = $this->_conn->fetchColumn($query);
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return array_map(array($this->_conn->formatter, 'fixSequenceName'), $tableNames);
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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* @override
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*/
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public function listTableConstraints($table)
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{
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$keyName = 'Key_name';
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$nonUnique = 'Non_unique';
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if ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
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if ($this->_conn->getAttribute(Doctrine::ATTR_FIELD_CASE) == CASE_LOWER) {
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$keyName = strtolower($keyName);
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$nonUnique = strtolower($nonUnique);
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} else {
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$keyName = strtoupper($keyName);
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$nonUnique = strtoupper($nonUnique);
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}
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}
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$table = $this->_conn->quoteIdentifier($table, true);
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$query = 'SHOW INDEX FROM ' . $table;
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$indexes = $this->_conn->fetchAssoc($query);
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$result = array();
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foreach ($indexes as $indexData) {
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if ( ! $indexData[$nonUnique]) {
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if ($indexData[$keyName] !== 'PRIMARY') {
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$index = $this->_conn->formatter->fixIndexName($indexData[$keyName]);
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} else {
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$index = 'PRIMARY';
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}
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if ( ! empty($index)) {
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$result[] = $index;
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}
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}
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}
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return $result;
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}
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/**
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* lists table foreign keys
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*
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* @param string $table database table name
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* @return array
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* @override
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*/
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public function listTableForeignKeys($table)
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{
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$sql = 'SHOW CREATE TABLE ' . $this->_conn->quoteIdentifier($table, true);
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$definition = $this->_conn->fetchOne($sql);
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if (!empty($definition)) {
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$pattern = '/\bCONSTRAINT\s+([^\s]+)\s+FOREIGN KEY\b/i';
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if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 1) {
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foreach ($matches[1] as $constraint) {
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$result[$constraint] = true;
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}
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}
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}
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if ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
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$result = array_change_key_case($result, $this->_conn->getAttribute(Doctrine::ATTR_FIELD_CASE));
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}
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return $result;
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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* @override
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*/
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public function listTableColumns($table)
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{
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$sql = 'DESCRIBE ' . $this->_conn->quoteIdentifier($table, true);
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$result = $this->_conn->fetchAssoc($sql);
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$description = array();
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$columns = array();
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foreach ($result as $key => $val) {
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$val = array_change_key_case($val, CASE_LOWER);
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$decl = $this->_conn->getDatabasePlatform()->getPortableDeclaration($val);
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$values = isset($decl['values']) ? $decl['values'] : array();
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$description = array(
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'name' => $val['field'],
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'type' => $decl['type'][0],
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'alltypes' => $decl['type'],
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'ntype' => $val['type'],
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'length' => $decl['length'],
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'fixed' => $decl['fixed'],
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'unsigned' => $decl['unsigned'],
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'values' => $values,
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'primary' => (strtolower($val['key']) == 'pri'),
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'default' => $val['default'],
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'notnull' => (bool) ($val['null'] != 'YES'),
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'autoincrement' => (bool) (strpos($val['extra'], 'auto_increment') !== false),
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);
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$columns[$val['field']] = $description;
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}
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return $columns;
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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* @override
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*/
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public function listTableIndexes($table)
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{
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$keyName = 'Key_name';
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$nonUnique = 'Non_unique';
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if ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
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if ($this->_conn->getAttribute(Doctrine::ATTR_FIELD_CASE) == CASE_LOWER) {
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$keyName = strtolower($keyName);
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$nonUnique = strtolower($nonUnique);
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} else {
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$keyName = strtoupper($keyName);
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$nonUnique = strtoupper($nonUnique);
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}
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}
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$table = $this->_conn->quoteIdentifier($table, true);
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$query = 'SHOW INDEX FROM ' . $table;
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$indexes = $this->_conn->fetchAssoc($query);
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$result = array();
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foreach ($indexes as $indexData) {
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if ($indexData[$nonUnique] && ($index = $this->_conn->formatter->fixIndexName($indexData[$keyName]))) {
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$result[] = $index;
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}
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}
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return $result;
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}
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/**
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* lists tables
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*
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* @param string|null $database
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* @return array
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* @override
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*/
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public function listTables($database = null)
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{
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return $this->_conn->fetchColumn($this->_conn->getDatabasePlatform()
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->getListTablesSql());
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}
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/**
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* lists database views
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*
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* @param string|null $database
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* @return array
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* @override
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*/
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public function listViews($database = null)
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{
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if ( ! is_null($database)) {
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$query = sprintf($this->sql['listViews'], ' FROM ' . $database);
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}
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return $this->_conn->fetchColumn($query);
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}
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/**
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* create sequence
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*
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* @param string $sequenceName name of the sequence to be created
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* @param string $start start value of the sequence; default is 1
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* @param array $options An associative array of table options:
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* array(
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* 'comment' => 'Foo',
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* 'charset' => 'utf8',
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* 'collate' => 'utf8_unicode_ci',
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* 'type' => 'innodb',
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* );
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* @return boolean
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* @override
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*/
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public function createSequence($sequenceName, $start = 1, array $options = array())
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{
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$sequenceName = $this->_conn->quoteIdentifier($this->_conn->getSequenceName($sequenceName), true);
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$seqcolName = $this->_conn->quoteIdentifier($this->_conn->getAttribute(Doctrine::ATTR_SEQCOL_NAME), true);
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$optionsStrings = array();
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if (isset($options['comment']) && ! empty($options['comment'])) {
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$optionsStrings['comment'] = 'COMMENT = ' . $this->_conn->quote($options['comment'], 'string');
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}
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if (isset($options['charset']) && ! empty($options['charset'])) {
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$optionsStrings['charset'] = 'DEFAULT CHARACTER SET ' . $options['charset'];
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if (isset($options['collate'])) {
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$optionsStrings['collate'] .= ' COLLATE ' . $options['collate'];
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}
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}
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$type = false;
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if (isset($options['type'])) {
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$type = $options['type'];
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} else {
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$type = $this->_conn->default_table_type;
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}
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if ($type) {
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$optionsStrings[] = 'ENGINE = ' . $type;
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}
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try {
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$query = 'CREATE TABLE ' . $sequenceName
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. ' (' . $seqcolName . ' INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ('
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. $seqcolName . '))';
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if (!empty($options_strings)) {
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$query .= ' '.implode(' ', $options_strings);
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}
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$res = $this->_conn->exec($query);
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} catch(Doctrine_Connection_Exception $e) {
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throw new Doctrine_Export_Exception('could not create sequence table');
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}
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if ($start == 1) {
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return true;
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}
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$query = 'INSERT INTO ' . $sequenceName
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. ' (' . $seqcolName . ') VALUES (' . ($start - 1) . ')';
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$res = $this->_conn->exec($query);
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// Handle error
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try {
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$res = $this->_conn->exec('DROP TABLE ' . $sequenceName);
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} catch(Doctrine_Connection_Exception $e) {
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throw new Doctrine_Export_Exception('could not drop inconsistent sequence table');
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}
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return $res;
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}
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/**
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* Enter description here...
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*
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* @param unknown_type $table
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* @param unknown_type $name
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* @return unknown
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* @override
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*/
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public function dropForeignKey($table, $name)
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{
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$table = $this->_conn->quoteIdentifier($table);
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$name = $this->_conn->quoteIdentifier($name);
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return $this->_conn->exec('ALTER TABLE ' . $table . ' DROP FOREIGN KEY ' . $name);
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}
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}
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?>
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