240 lines
8.4 KiB
PHP
240 lines
8.4 KiB
PHP
<?php
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/*
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* $Id: Mysql.php 5205 2008-11-21 13:10:55Z guilhermeblanco $
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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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/**
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* @package Doctrine
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* @subpackage Import
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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: 5205 $
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* @link www.phpdoctrine.org
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* @since 1.0
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*/
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class Doctrine_Import_Mysql extends Doctrine_Import
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{
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protected $sql = array(
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'listDatabases' => 'SHOW DATABASES',
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'listTableFields' => 'DESCRIBE %s',
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'listSequences' => 'SHOW TABLES',
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'listTables' => 'SHOW TABLES',
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'listUsers' => 'SELECT DISTINCT USER FROM USER',
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'listViews' => "SHOW FULL TABLES %s WHERE Table_type = 'VIEW'",
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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 $database
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* @return array
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*/
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public function listSequences($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 $table database table name
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* @return array
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*/
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public function listTableConstraints($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 relations
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*
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* Expects an array of this format to be returned with all the relationships in it where the key is
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* the name of the foreign table, and the value is an array containing the local and foreign column
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* name
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*
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* Array
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* (
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* [groups] => Array
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* (
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* [local] => group_id
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* [foreign] => id
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* )
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* )
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableRelations($tableName)
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{
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$relations = array();
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$sql = "SELECT column_name, REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME FROM information_schema.key_column_usage WHERE table_name = '" . $tableName . "' AND table_schema = '" . $this->conn->getDatabaseName() . "' and REFERENCED_COLUMN_NAME is not NULL";
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$results = $this->conn->fetchAssoc($sql);
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foreach ($results as $result)
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{
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$result = array_change_key_case($result, CASE_LOWER);
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$relations[] = array('table' => $result['referenced_table_name'],
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'local' => $result['column_name'],
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'foreign' => $result['referenced_column_name']);
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}
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return $relations;
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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 $table database table name
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* @return array
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*/
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public function listTableColumns($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 = $this->conn->dataDict->getPortableDeclaration($val);
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$values = isset($decl['values']) ? $decl['values'] : array();
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$val['default'] = $val['default'] == 'CURRENT_TIMESTAMP' ? null : $val['default'];
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$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($val['extra'], 'auto_increment') !== false),
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);
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if (isset($decl['scale'])) {
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$description['scale'] = $decl['scale'];
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}
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$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 $table database table name
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* @return array
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*/
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public function listTableIndexes($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 $database
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* @return array
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*/
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public function listTables($database = null)
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{
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return $this->conn->fetchColumn($this->sql['listTables']);
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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 $database
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* @return array
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*/
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public function listViews($database = null)
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{
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if (is_null($database)) {
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$query = 'SELECT table_name FROM information_schema.VIEWS';
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} else {
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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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} |