400 lines
12 KiB
PHP
400 lines
12 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 MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Schema;
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/**
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* PostgreSQL Schema Manager.
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*
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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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* @author Benjamin Eberlei <kontakt@beberlei.de>
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* @since 2.0
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*/
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class PostgreSqlSchemaManager extends AbstractSchemaManager
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{
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/**
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* @var array
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*/
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private $existingSchemaPaths;
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/**
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* Gets all the existing schema names.
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*
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* @return array
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*/
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public function getSchemaNames()
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{
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$rows = $this->_conn->fetchAll("SELECT nspname as schema_name FROM pg_namespace WHERE nspname !~ '^pg_.*' and nspname != 'information_schema'");
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return array_map(function($v) { return $v['schema_name']; }, $rows);
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}
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/**
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* Returns an array of schema search paths.
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*
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* This is a PostgreSQL only function.
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*
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* @return array
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*/
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public function getSchemaSearchPaths()
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{
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$params = $this->_conn->getParams();
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$schema = explode(",", $this->_conn->fetchColumn('SHOW search_path'));
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if (isset($params['user'])) {
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$schema = str_replace('"$user"', $params['user'], $schema);
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}
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return array_map('trim', $schema);
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}
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/**
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* Gets names of all existing schemas in the current users search path.
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*
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* This is a PostgreSQL only function.
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*
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* @return array
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*/
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public function getExistingSchemaSearchPaths()
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{
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if ($this->existingSchemaPaths === null) {
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$this->determineExistingSchemaSearchPaths();
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}
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return $this->existingSchemaPaths;
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}
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/**
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* Sets or resets the order of the existing schemas in the current search path of the user.
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*
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* This is a PostgreSQL only function.
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*
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* @return void
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*/
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public function determineExistingSchemaSearchPaths()
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{
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$names = $this->getSchemaNames();
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$paths = $this->getSchemaSearchPaths();
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$this->existingSchemaPaths = array_filter($paths, function ($v) use ($names) {
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return in_array($v, $names);
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});
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTableForeignKeyDefinition($tableForeignKey)
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{
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$onUpdate = null;
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$onDelete = null;
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if (preg_match('(ON UPDATE ([a-zA-Z0-9]+( (NULL|ACTION|DEFAULT))?))', $tableForeignKey['condef'], $match)) {
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$onUpdate = $match[1];
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}
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if (preg_match('(ON DELETE ([a-zA-Z0-9]+( (NULL|ACTION|DEFAULT))?))', $tableForeignKey['condef'], $match)) {
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$onDelete = $match[1];
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}
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if (preg_match('/FOREIGN KEY \((.+)\) REFERENCES (.+)\((.+)\)/', $tableForeignKey['condef'], $values)) {
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// PostgreSQL returns identifiers that are keywords with quotes, we need them later, don't get
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// the idea to trim them here.
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$localColumns = array_map('trim', explode(",", $values[1]));
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$foreignColumns = array_map('trim', explode(",", $values[3]));
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$foreignTable = $values[2];
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}
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return new ForeignKeyConstraint(
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$localColumns, $foreignTable, $foreignColumns, $tableForeignKey['conname'],
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array('onUpdate' => $onUpdate, 'onDelete' => $onDelete)
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function dropDatabase($database)
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{
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$params = $this->_conn->getParams();
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$params["dbname"] = "postgres";
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$tmpPlatform = $this->_platform;
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$tmpConn = $this->_conn;
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$this->_conn = \Doctrine\DBAL\DriverManager::getConnection($params);
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$this->_platform = $this->_conn->getDatabasePlatform();
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parent::dropDatabase($database);
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$this->_conn->close();
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$this->_platform = $tmpPlatform;
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$this->_conn = $tmpConn;
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}
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/**
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* {@inheritdoc}
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*/
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public function createDatabase($database)
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{
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$params = $this->_conn->getParams();
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$params["dbname"] = "postgres";
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$tmpPlatform = $this->_platform;
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$tmpConn = $this->_conn;
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$this->_conn = \Doctrine\DBAL\DriverManager::getConnection($params);
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$this->_platform = $this->_conn->getDatabasePlatform();
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parent::createDatabase($database);
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$this->_conn->close();
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$this->_platform = $tmpPlatform;
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$this->_conn = $tmpConn;
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTriggerDefinition($trigger)
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{
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return $trigger['trigger_name'];
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableViewDefinition($view)
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{
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return new View($view['viewname'], $view['definition']);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableUserDefinition($user)
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{
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return array(
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'user' => $user['usename'],
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'password' => $user['passwd']
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);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTableDefinition($table)
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{
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$schemas = $this->getExistingSchemaSearchPaths();
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$firstSchema = array_shift($schemas);
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if ($table['schema_name'] == $firstSchema) {
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return $table['table_name'];
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} else {
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return $table['schema_name'] . "." . $table['table_name'];
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}
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}
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/**
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* {@inheritdoc}
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*
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* @license New BSD License
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* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
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*/
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protected function _getPortableTableIndexesList($tableIndexes, $tableName=null)
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{
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$buffer = array();
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foreach ($tableIndexes as $row) {
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$colNumbers = explode(' ', $row['indkey']);
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$colNumbersSql = 'IN (' . join(' ,', $colNumbers) . ' )';
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$columnNameSql = "SELECT attnum, attname FROM pg_attribute
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WHERE attrelid={$row['indrelid']} AND attnum $colNumbersSql ORDER BY attnum ASC;";
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$stmt = $this->_conn->executeQuery($columnNameSql);
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$indexColumns = $stmt->fetchAll();
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// required for getting the order of the columns right.
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foreach ($colNumbers as $colNum) {
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foreach ($indexColumns as $colRow) {
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if ($colNum == $colRow['attnum']) {
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$buffer[] = array(
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'key_name' => $row['relname'],
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'column_name' => trim($colRow['attname']),
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'non_unique' => !$row['indisunique'],
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'primary' => $row['indisprimary']
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);
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}
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}
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}
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}
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return parent::_getPortableTableIndexesList($buffer, $tableName);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableDatabaseDefinition($database)
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{
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return $database['datname'];
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableSequenceDefinition($sequence)
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{
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if ($sequence['schemaname'] != 'public') {
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$sequenceName = $sequence['schemaname'] . "." . $sequence['relname'];
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} else {
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$sequenceName = $sequence['relname'];
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}
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$data = $this->_conn->fetchAll('SELECT min_value, increment_by FROM ' . $this->_platform->quoteIdentifier($sequenceName));
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return new Sequence($sequenceName, $data[0]['increment_by'], $data[0]['min_value']);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTableColumnDefinition($tableColumn)
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{
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$tableColumn = array_change_key_case($tableColumn, CASE_LOWER);
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if (strtolower($tableColumn['type']) === 'varchar') {
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// get length from varchar definition
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$length = preg_replace('~.*\(([0-9]*)\).*~', '$1', $tableColumn['complete_type']);
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$tableColumn['length'] = $length;
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}
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$matches = array();
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$autoincrement = false;
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if (preg_match("/^nextval\('(.*)'(::.*)?\)$/", $tableColumn['default'], $matches)) {
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$tableColumn['sequence'] = $matches[1];
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$tableColumn['default'] = null;
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$autoincrement = true;
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}
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if (preg_match("/^'(.*)'::.*$/", $tableColumn['default'], $matches)) {
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$tableColumn['default'] = $matches[1];
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}
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if (stripos($tableColumn['default'], 'NULL') === 0) {
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$tableColumn['default'] = null;
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}
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$length = (isset($tableColumn['length'])) ? $tableColumn['length'] : null;
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if ($length == '-1' && isset($tableColumn['atttypmod'])) {
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$length = $tableColumn['atttypmod'] - 4;
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}
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if ((int) $length <= 0) {
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$length = null;
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}
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$fixed = null;
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if (!isset($tableColumn['name'])) {
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$tableColumn['name'] = '';
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}
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$precision = null;
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$scale = null;
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$dbType = strtolower($tableColumn['type']);
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if (strlen($tableColumn['domain_type']) && !$this->_platform->hasDoctrineTypeMappingFor($tableColumn['type'])) {
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$dbType = strtolower($tableColumn['domain_type']);
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$tableColumn['complete_type'] = $tableColumn['domain_complete_type'];
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}
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$type = $this->_platform->getDoctrineTypeMapping($dbType);
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$type = $this->extractDoctrineTypeFromComment($tableColumn['comment'], $type);
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$tableColumn['comment'] = $this->removeDoctrineTypeFromComment($tableColumn['comment'], $type);
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switch ($dbType) {
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case 'smallint':
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case 'int2':
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$length = null;
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break;
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case 'int':
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case 'int4':
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case 'integer':
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$length = null;
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break;
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case 'bigint':
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case 'int8':
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$length = null;
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break;
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case 'bool':
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case 'boolean':
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$length = null;
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break;
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case 'text':
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$fixed = false;
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break;
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case 'varchar':
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case 'interval':
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case '_varchar':
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$fixed = false;
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break;
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case 'char':
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case 'bpchar':
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$fixed = true;
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break;
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case 'float':
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case 'float4':
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case 'float8':
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case 'double':
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case 'double precision':
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case 'real':
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case 'decimal':
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case 'money':
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case 'numeric':
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if (preg_match('([A-Za-z]+\(([0-9]+)\,([0-9]+)\))', $tableColumn['complete_type'], $match)) {
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$precision = $match[1];
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$scale = $match[2];
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$length = null;
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}
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break;
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case 'year':
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$length = null;
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break;
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}
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if ($tableColumn['default'] && preg_match("('([^']+)'::)", $tableColumn['default'], $match)) {
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$tableColumn['default'] = $match[1];
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}
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$options = array(
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'length' => $length,
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'notnull' => (bool) $tableColumn['isnotnull'],
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'default' => $tableColumn['default'],
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'primary' => (bool) ($tableColumn['pri'] == 't'),
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'precision' => $precision,
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'scale' => $scale,
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'fixed' => $fixed,
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'unsigned' => false,
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'autoincrement' => $autoincrement,
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'comment' => $tableColumn['comment'],
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);
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return new Column($tableColumn['field'], \Doctrine\DBAL\Types\Type::getType($type), $options);
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}
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}
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