hdabo_sf: comparison vendor/doctrine-dbal/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php

equal deleted inserted replaced

--1:000000000000
+:7f95f8617b0b
+<?php
+/*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+* This software consists of voluntary contributions made by many individuals
+* and is licensed under the LGPL. For more information, see
+* <http://www.doctrine-project.org>.
+*/
+namespace Doctrine\DBAL\Platforms;
+use Doctrine\DBAL\Schema\TableDiff,
+Doctrine\DBAL\Schema\Table;
+/**
+* PostgreSqlPlatform.
+*
+* @since 2.0
+* @author Roman Borschel <roman@code-factory.org>
+* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
+* @author Benjamin Eberlei <kontakt@beberlei.de>
+* @todo Rename: PostgreSQLPlatform
+*/
+class PostgreSqlPlatform extends AbstractPlatform
+{
+/**
+* Returns part of a string.
+*
+* Note: Not SQL92, but common functionality.
+*
+* @param string $value the target $value the string or the string column.
+* @param int $from extract from this characeter.
+* @param int $len extract this amount of characters.
+* @return string sql that extracts part of a string.
+* @override
+*/
+public function getSubstringExpression($value, $from, $len = null)
+{
+if ($len === null) {
+return 'SUBSTR(' . $value . ', ' . $from . ')';
+} else {
+return 'SUBSTR(' . $value . ', ' . $from . ', ' . $len . ')';
+}
+}
+/**
+* Returns the SQL string to return the current system date and time.
+*
+* @return string
+*/
+public function getNowExpression()
+{
+return 'LOCALTIMESTAMP(0)';
+}
+/**
+* regexp
+*
+* @return string           the regular expression operator
+* @override
+*/
+public function getRegexpExpression()
+{
+return 'SIMILAR TO';
+}
+/**
+* returns the position of the first occurrence of substring $substr in string $str
+*
+* @param string $substr    literal string to find
+* @param string $str       literal string
+* @param int    $pos       position to start at, beginning of string by default
+* @return integer
+*/
+public function getLocateExpression($str, $substr, $startPos = false)
+{
+if ($startPos !== false) {
+$str = $this->getSubstringExpression($str, $startPos);
+return 'CASE WHEN (POSITION('.$substr.' IN '.$str.') = 0) THEN 0 ELSE (POSITION('.$substr.' IN '.$str.') + '.($startPos-1).') END';
+} else {
+return 'POSITION('.$substr.' IN '.$str.')';
+}
+}
+public function getDateDiffExpression($date1, $date2)
+{
+return '(DATE(' . $date1 . ')-DATE(' . $date2 . '))';
+}
+public function getDateAddDaysExpression($date, $days)
+{
+return "(" . $date . "+ interval '" . $days . " day')";
+}
+public function getDateSubDaysExpression($date, $days)
+{
+return "(" . $date . "- interval '" . $days . " day')";
+}
+public function getDateAddMonthExpression($date, $months)
+{
+return "(" . $date . "+ interval '" . $months . " month')";
+}
+public function getDateSubMonthExpression($date, $months)
+{
+return "(" . $date . "- interval '" . $months . " month')";
+}
+/**
+* parses a literal boolean value and returns
+* proper sql equivalent
+*
+* @param string $value     boolean value to be parsed
+* @return string           parsed boolean value
+*/
+/*public function parseBoolean($value)
+{
+return $value;
+}*/
+/**
+* Whether the platform supports sequences.
+* Postgres has native support for sequences.
+*
+* @return boolean
+*/
+public function supportsSequences()
+{
+return true;
+}
+/**
+* Whether the platform supports database schemas.
+*
+* @return boolean
+*/
+public function supportsSchemas()
+{
+return true;
+}
+/**
+* Whether the platform supports identity columns.
+* Postgres supports these through the SERIAL keyword.
+*
+* @return boolean
+*/
+public function supportsIdentityColumns()
+{
+return true;
+}
+public function supportsCommentOnStatement()
+{
+return true;
+}
+/**
+* Whether the platform prefers sequences for ID generation.
+*
+* @return boolean
+*/
+public function prefersSequences()
+{
+return true;
+}
+public function getListDatabasesSQL()
+{
+return 'SELECT datname FROM pg_database';
+}
+public function getListSequencesSQL($database)
+{
+return "SELECT
+c.relname, n.nspname AS schemaname
+FROM
+pg_class c, pg_namespace n
+WHERE relkind = 'S' AND n.oid = c.relnamespace AND
+(n.nspname NOT LIKE 'pg_%' AND n.nspname != 'information_schema')";
+}
+public function getListTablesSQL()
+{
+return "SELECT tablename AS table_name, schemaname AS schema_name
+FROM pg_tables WHERE schemaname NOT LIKE 'pg_%' AND schemaname != 'information_schema'";
+}
+public function getListViewsSQL($database)
+{
+return 'SELECT viewname, definition FROM pg_views';
+}
+public function getListTableForeignKeysSQL($table, $database = null)
+{
+return "SELECT r.conname, pg_catalog.pg_get_constraintdef(r.oid, true) as condef
+FROM pg_catalog.pg_constraint r
+WHERE r.conrelid =
+(
+SELECT c.oid
+FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n
+WHERE " .$this->getTableWhereClause($table) ."
+AND n.oid = c.relnamespace
+)
+AND r.contype = 'f'";
+}
+public function getCreateViewSQL($name, $sql)
+{
+return 'CREATE VIEW ' . $name . ' AS ' . $sql;
+}
+public function getDropViewSQL($name)
+{
+return 'DROP VIEW '. $name;
+}
+public function getListTableConstraintsSQL($table)
+{
+return "SELECT
+relname
+FROM
+pg_class
+WHERE oid IN (
+SELECT indexrelid
+FROM pg_index, pg_class
+WHERE pg_class.relname = '$table'
+AND pg_class.oid = pg_index.indrelid
+AND (indisunique = 't' OR indisprimary = 't')
+)";
+}
+/**
+* @license New BSD License
+* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
+* @param  string $table
+* @return string
+*/
+public function getListTableIndexesSQL($table, $currentDatabase = null)
+{
+return "SELECT relname, pg_index.indisunique, pg_index.indisprimary,
+pg_index.indkey, pg_index.indrelid
+FROM pg_class, pg_index
+WHERE oid IN (
+SELECT indexrelid
+FROM pg_index si, pg_class sc, pg_namespace sn
+WHERE " . $this->getTableWhereClause($table, 'sc', 'sn')." AND sc.oid=si.indrelid AND sc.relnamespace = sn.oid
+) AND pg_index.indexrelid = oid";
+}
+private function getTableWhereClause($table, $classAlias = 'c', $namespaceAlias = 'n')
+{
+$whereClause = "";
+if (strpos($table, ".") !== false) {
+list($schema, $table) = explode(".", $table);
+$whereClause = "$classAlias.relname = '" . $table . "' AND $namespaceAlias.nspname = '" . $schema . "'";
+} else {
+$whereClause = "$classAlias.relname = '" . $table . "'";
+}
+return $whereClause;
+}
+public function getListTableColumnsSQL($table, $database = null)
+{
+return "SELECT
+a.attnum,
+a.attname AS field,
+t.typname AS type,
+format_type(a.atttypid, a.atttypmod) AS complete_type,
+(SELECT t1.typname FROM pg_catalog.pg_type t1 WHERE t1.oid = t.typbasetype) AS domain_type,
+(SELECT format_type(t2.typbasetype, t2.typtypmod) FROM pg_catalog.pg_type t2
+WHERE t2.typtype = 'd' AND t2.typname = format_type(a.atttypid, a.atttypmod)) AS domain_complete_type,
+a.attnotnull AS isnotnull,
+(SELECT 't'
+FROM pg_index
+WHERE c.oid = pg_index.indrelid
+AND pg_index.indkey[0] = a.attnum
+AND pg_index.indisprimary = 't'
+) AS pri,
+(SELECT pg_attrdef.adsrc
+FROM pg_attrdef
+WHERE c.oid = pg_attrdef.adrelid
+AND pg_attrdef.adnum=a.attnum
+) AS default,
+(SELECT pg_description.description
+FROM pg_description WHERE pg_description.objoid = c.oid AND a.attnum = pg_description.objsubid
+) AS comment
+FROM pg_attribute a, pg_class c, pg_type t, pg_namespace n
+WHERE ".$this->getTableWhereClause($table, 'c', 'n') ."
+AND a.attnum > 0
+AND a.attrelid = c.oid
+AND a.atttypid = t.oid
+AND n.oid = c.relnamespace
+ORDER BY a.attnum";
+}
+/**
+* create a new database
+*
+* @param string $name name of the database that should be created
+* @throws PDOException
+* @return void
+* @override
+*/
+public function getCreateDatabaseSQL($name)
+{
+return 'CREATE DATABASE ' . $name;
+}
+/**
+* drop an existing database
+*
+* @param string $name name of the database that should be dropped
+* @throws PDOException
+* @access public
+*/
+public function getDropDatabaseSQL($name)
+{
+return 'DROP DATABASE ' . $name;
+}
+/**
+* Return the FOREIGN KEY query section dealing with non-standard options
+* as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+*
+* @param \Doctrine\DBAL\Schema\ForeignKeyConstraint $foreignKey         foreign key definition
+* @return string
+* @override
+*/
+public function getAdvancedForeignKeyOptionsSQL(\Doctrine\DBAL\Schema\ForeignKeyConstraint $foreignKey)
+{
+$query = '';
+if ($foreignKey->hasOption('match')) {
+$query .= ' MATCH ' . $foreignKey->getOption('match');
+}
+$query .= parent::getAdvancedForeignKeyOptionsSQL($foreignKey);
+if ($foreignKey->hasOption('deferrable') && $foreignKey->getOption('deferrable') !== false) {
+$query .= ' DEFERRABLE';
+} else {
+$query .= ' NOT DEFERRABLE';
+}
+if ($foreignKey->hasOption('feferred') && $foreignKey->getOption('feferred') !== false) {
+$query .= ' INITIALLY DEFERRED';
+} else {
+$query .= ' INITIALLY IMMEDIATE';
+}
+return $query;
+}
+/**
+* generates the sql for altering an existing table on postgresql
+*
+* @param string $name          name of the table that is intended to be changed.
+* @param array $changes        associative array that contains the details of each type      *
+* @param boolean $check        indicates whether the function should just check if the DBMS driver
+*                              can perform the requested table alterations if the value is true or
+*                              actually perform them otherwise.
+* @see Doctrine_Export::alterTable()
+* @return array
+* @override
+*/
+public function getAlterTableSQL(TableDiff $diff)
+{
+$sql = array();
+$commentsSQL = array();
+foreach ($diff->addedColumns as $column) {
+$query = 'ADD ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
+$sql[] = 'ALTER TABLE ' . $diff->name . ' ' . $query;
+if ($comment = $this->getColumnComment($column)) {
+$commentsSQL[] = $this->getCommentOnColumnSQL($diff->name, $column->getName(), $comment);
+}
+}
+foreach ($diff->removedColumns as $column) {
+$query = 'DROP ' . $column->getQuotedName($this);
+$sql[] = 'ALTER TABLE ' . $diff->name . ' ' . $query;
+}
+foreach ($diff->changedColumns AS $columnDiff) {
+$oldColumnName = $columnDiff->oldColumnName;
+$column = $columnDiff->column;
+if ($columnDiff->hasChanged('type')) {
+$type = $column->getType();
+// here was a server version check before, but DBAL API does not support this anymore.
+$query = 'ALTER ' . $oldColumnName . ' TYPE ' . $type->getSqlDeclaration($column->toArray(), $this);
+$sql[] = 'ALTER TABLE ' . $diff->name . ' ' . $query;
+}
+if ($columnDiff->hasChanged('default')) {
+$query = 'ALTER ' . $oldColumnName . ' SET ' . $this->getDefaultValueDeclarationSQL($column->toArray());
+$sql[] = 'ALTER TABLE ' . $diff->name . ' ' . $query;
+}
+if ($columnDiff->hasChanged('notnull')) {
+$query = 'ALTER ' . $oldColumnName . ' ' . ($column->getNotNull() ? 'SET' : 'DROP') . ' NOT NULL';
+$sql[] = 'ALTER TABLE ' . $diff->name . ' ' . $query;
+}
+if ($columnDiff->hasChanged('autoincrement')) {
+if ($column->getAutoincrement()) {
+// add autoincrement
+$seqName = $diff->name . '_' . $oldColumnName . '_seq';
+$sql[] = "CREATE SEQUENCE " . $seqName;
+$sql[] = "SELECT setval('" . $seqName . "', (SELECT MAX(" . $oldColumnName . ") FROM " . $diff->name . "))";
+$query = "ALTER " . $oldColumnName . " SET DEFAULT nextval('" . $seqName . "')";
+$sql[] = "ALTER TABLE " . $diff->name . " " . $query;
+} else {
+// Drop autoincrement, but do NOT drop the sequence. It might be re-used by other tables or have
+$query = "ALTER " . $oldColumnName . " " . "DROP DEFAULT";
+$sql[] = "ALTER TABLE " . $diff->name . " " . $query;
+}
+}
+if ($columnDiff->hasChanged('comment') && $comment = $this->getColumnComment($column)) {
+$commentsSQL[] = $this->getCommentOnColumnSQL($diff->name, $column->getName(), $comment);
+}
+}
+foreach ($diff->renamedColumns as $oldColumnName => $column) {
+$sql[] = 'ALTER TABLE ' . $diff->name . ' RENAME COLUMN ' . $oldColumnName . ' TO ' . $column->getQuotedName($this);
+}
+if ($diff->newName !== false) {
+$sql[] = 'ALTER TABLE ' . $diff->name . ' RENAME TO ' . $diff->newName;
+}
+return array_merge($sql, $this->_getAlterTableIndexForeignKeySQL($diff), $commentsSQL);
+}
+/**
+* Gets the SQL to create a sequence on this platform.
+*
+* @param \Doctrine\DBAL\Schema\Sequence $sequence
+* @return string
+*/
+public function getCreateSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
+{
+return 'CREATE SEQUENCE ' . $sequence->getQuotedName($this) .
+' INCREMENT BY ' . $sequence->getAllocationSize() .
+' MINVALUE ' . $sequence->getInitialValue() .
+' START ' . $sequence->getInitialValue();
+}
+public function getAlterSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
+{
+return 'ALTER SEQUENCE ' . $sequence->getQuotedName($this) .
+' INCREMENT BY ' . $sequence->getAllocationSize();
+}
+/**
+* Drop existing sequence
+* @param  \Doctrine\DBAL\Schema\Sequence $sequence
+* @return string
+*/
+public function getDropSequenceSQL($sequence)
+{
+if ($sequence instanceof \Doctrine\DBAL\Schema\Sequence) {
+$sequence = $sequence->getQuotedName($this);
+}
+return 'DROP SEQUENCE ' . $sequence;
+}
+/**
+* @param  ForeignKeyConstraint|string $foreignKey
+* @param  Table|string $table
+* @return string
+*/
+public function getDropForeignKeySQL($foreignKey, $table)
+{
+return $this->getDropConstraintSQL($foreignKey, $table);
+}
+/**
+* Gets the SQL used to create a table.
+*
+* @param unknown_type $tableName
+* @param array $columns
+* @param array $options
+* @return unknown
+*/
+protected function _getCreateTableSQL($tableName, array $columns, array $options = array())
+{
+$queryFields = $this->getColumnDeclarationListSQL($columns);
+if (isset($options['primary']) && ! empty($options['primary'])) {
+$keyColumns = array_unique(array_values($options['primary']));
+$queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')';
+}
+$query = 'CREATE TABLE ' . $tableName . ' (' . $queryFields . ')';
+$sql[] = $query;
+if (isset($options['indexes']) && ! empty($options['indexes'])) {
+foreach ($options['indexes'] AS $index) {
+$sql[] = $this->getCreateIndexSQL($index, $tableName);
+}
+}
+if (isset($options['foreignKeys'])) {
+foreach ((array) $options['foreignKeys'] as $definition) {
+$sql[] = $this->getCreateForeignKeySQL($definition, $tableName);
+}
+}
+return $sql;
+}
+/**
+* Postgres wants boolean values converted to the strings 'true'/'false'.
+*
+* @param array $item
+* @override
+*/
+public function convertBooleans($item)
+{
+if (is_array($item)) {
+foreach ($item as $key => $value) {
+if (is_bool($value) || is_numeric($item)) {
+$item[$key] = ($value) ? 'true' : 'false';
+}
+}
+} else {
+if (is_bool($item) || is_numeric($item)) {
+$item = ($item) ? 'true' : 'false';
+}
+}
+return $item;
+}
+public function getSequenceNextValSQL($sequenceName)
+{
+return "SELECT NEXTVAL('" . $sequenceName . "')";
+}
+public function getSetTransactionIsolationSQL($level)
+{
+return 'SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL '
+. $this->_getTransactionIsolationLevelSQL($level);
+}
+/**
+* @override
+*/
+public function getBooleanTypeDeclarationSQL(array $field)
+{
+return 'BOOLEAN';
+}
+/**
+* @override
+*/
+public function getIntegerTypeDeclarationSQL(array $field)
+{
+if ( ! empty($field['autoincrement'])) {
+return 'SERIAL';
+}
+return 'INT';
+}
+/**
+* @override
+*/
+public function getBigIntTypeDeclarationSQL(array $field)
+{
+if ( ! empty($field['autoincrement'])) {
+return 'BIGSERIAL';
+}
+return 'BIGINT';
+}
+/**
+* @override
+*/
+public function getSmallIntTypeDeclarationSQL(array $field)
+{
+return 'SMALLINT';
+}
+/**
+* @override
+*/
+public function getDateTimeTypeDeclarationSQL(array $fieldDeclaration)
+{
+return 'TIMESTAMP(0) WITHOUT TIME ZONE';
+}
+/**
+* @override
+*/
+public function getDateTimeTzTypeDeclarationSQL(array $fieldDeclaration)
+{
+return 'TIMESTAMP(0) WITH TIME ZONE';
+}
+/**
+* @override
+*/
+public function getDateTypeDeclarationSQL(array $fieldDeclaration)
+{
+return 'DATE';
+}
+/**
+* @override
+*/
+public function getTimeTypeDeclarationSQL(array $fieldDeclaration)
+{
+return 'TIME(0) WITHOUT TIME ZONE';
+}
+/**
+* @override
+*/
+protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef)
+{
+return '';
+}
+/**
+* Gets the SQL snippet used to declare a VARCHAR column on the MySql platform.
+*
+* @params array $field
+* @override
+*/
+protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
+{
+return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
+: ($length ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)');
+}
+/** @override */
+public function getClobTypeDeclarationSQL(array $field)
+{
+return 'TEXT';
+}
+/**
+* Get the platform name for this instance
+*
+* @return string
+*/
+public function getName()
+{
+return 'postgresql';
+}
+/**
+* Gets the character casing of a column in an SQL result set.
+*
+* PostgreSQL returns all column names in SQL result sets in lowercase.
+*
+* @param string $column The column name for which to get the correct character casing.
+* @return string The column name in the character casing used in SQL result sets.
+*/
+public function getSQLResultCasing($column)
+{
+return strtolower($column);
+}
+public function getDateTimeTzFormatString()
+{
+return 'Y-m-d H:i:sO';
+}
+/**
+* Get the insert sql for an empty insert statement
+*
+* @param string $tableName
+* @param string $identifierColumnName
+* @return string $sql
+*/
+public function getEmptyIdentityInsertSQL($quotedTableName, $quotedIdentifierColumnName)
+{
+return 'INSERT INTO ' . $quotedTableName . ' (' . $quotedIdentifierColumnName . ') VALUES (DEFAULT)';
+}
+/**
+* @inheritdoc
+*/
+public function getTruncateTableSQL($tableName, $cascade = false)
+{
+return 'TRUNCATE '.$tableName.' '.(($cascade)?'CASCADE':'');
+}
+public function getReadLockSQL()
+{
+return 'FOR SHARE';
+}
+protected function initializeDoctrineTypeMappings()
+{
+$this->doctrineTypeMapping = array(
+'smallint'      => 'smallint',
+'int2'          => 'smallint',
+'serial'        => 'integer',
+'serial4'       => 'integer',
+'int'           => 'integer',
+'int4'          => 'integer',
+'integer'       => 'integer',
+'bigserial'     => 'bigint',
+'serial8'       => 'bigint',
+'bigint'        => 'bigint',
+'int8'          => 'bigint',
+'bool'          => 'boolean',
+'boolean'       => 'boolean',
+'text'          => 'text',
+'varchar'       => 'string',
+'interval'      => 'string',
+'_varchar'      => 'string',
+'char'          => 'string',
+'bpchar'        => 'string',
+'date'          => 'date',
+'datetime'      => 'datetime',
+'timestamp'     => 'datetime',
+'timestamptz'   => 'datetimetz',
+'time'          => 'time',
+'timetz'        => 'time',
+'float'         => 'float',
+'float4'        => 'float',
+'float8'        => 'float',
+'double'        => 'float',
+'double precision' => 'float',
+'real'          => 'float',
+'decimal'       => 'decimal',
+'money'         => 'decimal',
+'numeric'       => 'decimal',
+'year'          => 'date',
+);
+}
+public function getVarcharMaxLength()
+{
+return 65535;
+}
+protected function getReservedKeywordsClass()
+{
+return 'Doctrine\DBAL\Platforms\Keywords\PostgreSQLKeywords';
+}
+}