Файл: vendor/doctrine/dbal/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
Строк: 1441
<?php
namespace DoctrineDBALPlatforms;
use DoctrineDBALSchemaColumn;
use DoctrineDBALSchemaColumnDiff;
use DoctrineDBALSchemaForeignKeyConstraint;
use DoctrineDBALSchemaIdentifier;
use DoctrineDBALSchemaIndex;
use DoctrineDBALSchemaSequence;
use DoctrineDBALSchemaTableDiff;
use DoctrineDBALTypesBigIntType;
use DoctrineDBALTypesBinaryType;
use DoctrineDBALTypesBlobType;
use DoctrineDBALTypesIntegerType;
use DoctrineDBALTypesType;
use DoctrineDeprecationsDeprecation;
use UnexpectedValueException;
use function array_diff;
use function array_merge;
use function array_unique;
use function array_values;
use function count;
use function explode;
use function implode;
use function in_array;
use function is_array;
use function is_bool;
use function is_numeric;
use function is_string;
use function sprintf;
use function strpos;
use function strtolower;
use function trim;
/**
* PostgreSqlPlatform.
*
* @deprecated Use PostgreSQL 9.4 or newer
*
* @todo Rename: PostgreSQLPlatform
*/
class PostgreSqlPlatform extends AbstractPlatform
{
/** @var bool */
private $useBooleanTrueFalseStrings = true;
/** @var string[][] PostgreSQL booleans literals */
private $booleanLiterals = [
'true' => [
't',
'true',
'y',
'yes',
'on',
'1',
],
'false' => [
'f',
'false',
'n',
'no',
'off',
'0',
],
];
/**
* PostgreSQL has different behavior with some drivers
* with regard to how booleans have to be handled.
*
* Enables use of 'true'/'false' or otherwise 1 and 0 instead.
*
* @param bool $flag
*
* @return void
*/
public function setUseBooleanTrueFalseStrings($flag)
{
$this->useBooleanTrueFalseStrings = (bool) $flag;
}
/**
* {@inheritDoc}
*/
public function getSubstringExpression($string, $start, $length = null)
{
if ($length === null) {
return 'SUBSTRING(' . $string . ' FROM ' . $start . ')';
}
return 'SUBSTRING(' . $string . ' FROM ' . $start . ' FOR ' . $length . ')';
}
/**
* {@inheritDoc}
*/
public function getNowExpression()
{
return 'LOCALTIMESTAMP(0)';
}
/**
* {@inheritDoc}
*/
public function getRegexpExpression()
{
return 'SIMILAR TO';
}
/**
* {@inheritDoc}
*/
public function getLocateExpression($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';
}
return 'POSITION(' . $substr . ' IN ' . $str . ')';
}
/**
* {@inheritdoc}
*/
protected function getDateArithmeticIntervalExpression($date, $operator, $interval, $unit)
{
if ($unit === DateIntervalUnit::QUARTER) {
$interval *= 3;
$unit = DateIntervalUnit::MONTH;
}
return '(' . $date . ' ' . $operator . ' (' . $interval . " || ' " . $unit . "')::interval)";
}
/**
* {@inheritDoc}
*/
public function getDateDiffExpression($date1, $date2)
{
return '(DATE(' . $date1 . ')-DATE(' . $date2 . '))';
}
/**
* {@inheritDoc}
*/
public function supportsSequences()
{
return true;
}
/**
* {@inheritDoc}
*/
public function supportsSchemas()
{
return true;
}
/**
* {@inheritdoc}
*/
public function getDefaultSchemaName()
{
return 'public';
}
/**
* {@inheritDoc}
*/
public function supportsIdentityColumns()
{
return true;
}
/**
* {@inheritdoc}
*/
public function supportsPartialIndexes()
{
return true;
}
/**
* {@inheritdoc}
*/
public function usesSequenceEmulatedIdentityColumns()
{
return true;
}
/**
* {@inheritdoc}
*/
public function getIdentitySequenceName($tableName, $columnName)
{
return $tableName . '_' . $columnName . '_seq';
}
/**
* {@inheritDoc}
*/
public function supportsCommentOnStatement()
{
return true;
}
/**
* {@inheritDoc}
*
* @deprecated
*/
public function prefersSequences()
{
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/4229',
'AbstractPlatform::prefersSequences() is deprecated without replacement and removed in DBAL 3.0'
);
return true;
}
/**
* {@inheritDoc}
*/
public function hasNativeGuidType()
{
return true;
}
/**
* {@inheritDoc}
*/
public function getListDatabasesSQL()
{
return 'SELECT datname FROM pg_database';
}
/**
* {@inheritDoc}
*/
public function getListNamespacesSQL()
{
return "SELECT schema_name AS nspname
FROM information_schema.schemata
WHERE schema_name NOT LIKE 'pg_%'
AND schema_name != 'information_schema'";
}
/**
* {@inheritDoc}
*/
public function getListSequencesSQL($database)
{
return "SELECT sequence_name AS relname,
sequence_schema AS schemaname
FROM information_schema.sequences
WHERE sequence_schema NOT LIKE 'pg_%'
AND sequence_schema != 'information_schema'";
}
/**
* {@inheritDoc}
*/
public function getListTablesSQL()
{
return "SELECT quote_ident(table_name) AS table_name,
table_schema AS schema_name
FROM information_schema.tables
WHERE table_schema NOT LIKE 'pg_%'
AND table_schema != 'information_schema'
AND table_name != 'geometry_columns'
AND table_name != 'spatial_ref_sys'
AND table_type != 'VIEW'";
}
/**
* {@inheritDoc}
*/
public function getListViewsSQL($database)
{
return 'SELECT quote_ident(table_name) AS viewname,
table_schema AS schemaname,
view_definition AS definition
FROM information_schema.views
WHERE view_definition IS NOT NULL';
}
/**
* @param string $table
* @param string|null $database
*
* @return string
*/
public function getListTableForeignKeysSQL($table, $database = null)
{
return 'SELECT quote_ident(r.conname) as 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'";
}
/**
* {@inheritDoc}
*/
public function getCreateViewSQL($name, $sql)
{
return 'CREATE VIEW ' . $name . ' AS ' . $sql;
}
/**
* {@inheritDoc}
*/
public function getDropViewSQL($name)
{
return 'DROP VIEW ' . $name;
}
/**
* {@inheritDoc}
*/
public function getListTableConstraintsSQL($table)
{
$table = new Identifier($table);
$table = $this->quoteStringLiteral($table->getName());
return sprintf(
<<<'SQL'
SELECT
quote_ident(relname) as relname
FROM
pg_class
WHERE oid IN (
SELECT indexrelid
FROM pg_index, pg_class
WHERE pg_class.relname = %s
AND pg_class.oid = pg_index.indrelid
AND (indisunique = 't' OR indisprimary = 't')
)
SQL
,
$table
);
}
/**
* {@inheritDoc}
*
* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
*/
public function getListTableIndexesSQL($table, $database = null)
{
return 'SELECT quote_ident(relname) as relname, pg_index.indisunique, pg_index.indisprimary,
pg_index.indkey, pg_index.indrelid,
pg_get_expr(indpred, indrelid) AS where
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';
}
/**
* @param string $table
* @param string $classAlias
* @param string $namespaceAlias
*
* @return string
*/
private function getTableWhereClause($table, $classAlias = 'c', $namespaceAlias = 'n')
{
$whereClause = $namespaceAlias . ".nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast') AND ";
if (strpos($table, '.') !== false) {
[$schema, $table] = explode('.', $table);
$schema = $this->quoteStringLiteral($schema);
} else {
$schema = 'ANY(current_schemas(false))';
}
$table = new Identifier($table);
$table = $this->quoteStringLiteral($table->getName());
return $whereClause . sprintf(
'%s.relname = %s AND %s.nspname = %s',
$classAlias,
$table,
$namespaceAlias,
$schema
);
}
/**
* {@inheritDoc}
*/
public function getListTableColumnsSQL($table, $database = null)
{
return "SELECT
a.attnum,
quote_ident(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.oid = a.atttypid) 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_get_expr(adbin, adrelid)
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';
}
/**
* {@inheritDoc}
*/
public function getCreateDatabaseSQL($name)
{
return 'CREATE DATABASE ' . $name;
}
/**
* Returns the SQL statement for disallowing new connections on the given database.
*
* This is useful to force DROP DATABASE operations which could fail because of active connections.
*
* @deprecated
*
* @param string $database The name of the database to disallow new connections for.
*
* @return string
*/
public function getDisallowDatabaseConnectionsSQL($database)
{
return "UPDATE pg_database SET datallowconn = 'false' WHERE datname = " . $this->quoteStringLiteral($database);
}
/**
* Returns the SQL statement for closing currently active connections on the given database.
*
* This is useful to force DROP DATABASE operations which could fail because of active connections.
*
* @deprecated
*
* @param string $database The name of the database to close currently active connections for.
*
* @return string
*/
public function getCloseActiveDatabaseConnectionsSQL($database)
{
return 'SELECT pg_terminate_backend(procpid) FROM pg_stat_activity WHERE datname = '
. $this->quoteStringLiteral($database);
}
/**
* {@inheritDoc}
*/
public function getAdvancedForeignKeyOptionsSQL(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') && $foreignKey->getOption('feferred') !== false)
|| ($foreignKey->hasOption('deferred') && $foreignKey->getOption('deferred') !== false)
) {
$query .= ' INITIALLY DEFERRED';
} else {
$query .= ' INITIALLY IMMEDIATE';
}
return $query;
}
/**
* {@inheritDoc}
*/
public function getAlterTableSQL(TableDiff $diff)
{
$sql = [];
$commentsSQL = [];
$columnSql = [];
foreach ($diff->addedColumns as $column) {
if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
continue;
}
$query = 'ADD ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
$sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query;
$comment = $this->getColumnComment($column);
if ($comment === null || $comment === '') {
continue;
}
$commentsSQL[] = $this->getCommentOnColumnSQL(
$diff->getName($this)->getQuotedName($this),
$column->getQuotedName($this),
$comment
);
}
foreach ($diff->removedColumns as $column) {
if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
continue;
}
$query = 'DROP ' . $column->getQuotedName($this);
$sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query;
}
foreach ($diff->changedColumns as $columnDiff) {
if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
continue;
}
if ($this->isUnchangedBinaryColumn($columnDiff)) {
continue;
}
$oldColumnName = $columnDiff->getOldColumnName()->getQuotedName($this);
$column = $columnDiff->column;
if (
$columnDiff->hasChanged('type')
|| $columnDiff->hasChanged('precision')
|| $columnDiff->hasChanged('scale')
|| $columnDiff->hasChanged('fixed')
) {
$type = $column->getType();
// SERIAL/BIGSERIAL are not "real" types and we can't alter a column to that type
$columnDefinition = $column->toArray();
$columnDefinition['autoincrement'] = false;
// here was a server version check before, but DBAL API does not support this anymore.
$query = 'ALTER ' . $oldColumnName . ' TYPE ' . $type->getSQLDeclaration($columnDefinition, $this);
$sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query;
}
if ($columnDiff->hasChanged('default') || $this->typeChangeBreaksDefaultValue($columnDiff)) {
$defaultClause = $column->getDefault() === null
? ' DROP DEFAULT'
: ' SET' . $this->getDefaultValueDeclarationSQL($column->toArray());
$query = 'ALTER ' . $oldColumnName . $defaultClause;
$sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query;
}
if ($columnDiff->hasChanged('notnull')) {
$query = 'ALTER ' . $oldColumnName . ' ' . ($column->getNotnull() ? 'SET' : 'DROP') . ' NOT NULL';
$sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query;
}
if ($columnDiff->hasChanged('autoincrement')) {
if ($column->getAutoincrement()) {
// add autoincrement
$seqName = $this->getIdentitySequenceName($diff->name, $oldColumnName);
$sql[] = 'CREATE SEQUENCE ' . $seqName;
$sql[] = "SELECT setval('" . $seqName . "', (SELECT MAX(" . $oldColumnName . ') FROM '
. $diff->getName($this)->getQuotedName($this) . '))';
$query = 'ALTER ' . $oldColumnName . " SET DEFAULT nextval('" . $seqName . "')";
$sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $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 ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query;
}
}
$newComment = $this->getColumnComment($column);
$oldComment = $this->getOldColumnComment($columnDiff);
if (
$columnDiff->hasChanged('comment')
|| ($columnDiff->fromColumn !== null && $oldComment !== $newComment)
) {
$commentsSQL[] = $this->getCommentOnColumnSQL(
$diff->getName($this)->getQuotedName($this),
$column->getQuotedName($this),
$newComment
);
}
if (! $columnDiff->hasChanged('length')) {
continue;
}
$query = 'ALTER ' . $oldColumnName . ' TYPE '
. $column->getType()->getSQLDeclaration($column->toArray(), $this);
$sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query;
}
foreach ($diff->renamedColumns as $oldColumnName => $column) {
if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
continue;
}
$oldColumnName = new Identifier($oldColumnName);
$sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) .
' RENAME COLUMN ' . $oldColumnName->getQuotedName($this) . ' TO ' . $column->getQuotedName($this);
}
$tableSql = [];
if (! $this->onSchemaAlterTable($diff, $tableSql)) {
$sql = array_merge($sql, $commentsSQL);
$newName = $diff->getNewName();
if ($newName !== false) {
$sql[] = sprintf(
'ALTER TABLE %s RENAME TO %s',
$diff->getName($this)->getQuotedName($this),
$newName->getQuotedName($this)
);
}
$sql = array_merge(
$this->getPreAlterTableIndexForeignKeySQL($diff),
$sql,
$this->getPostAlterTableIndexForeignKeySQL($diff)
);
}
return array_merge($sql, $tableSql, $columnSql);
}
/**
* Checks whether a given column diff is a logically unchanged binary type column.
*
* Used to determine whether a column alteration for a binary type column can be skipped.
* Doctrine's {@link BinaryType} and {@link BlobType} are mapped to the same database column type on this platform
* as this platform does not have a native VARBINARY/BINARY column type. Therefore the comparator
* might detect differences for binary type columns which do not have to be propagated
* to database as there actually is no difference at database level.
*
* @param ColumnDiff $columnDiff The column diff to check against.
*
* @return bool True if the given column diff is an unchanged binary type column, false otherwise.
*/
private function isUnchangedBinaryColumn(ColumnDiff $columnDiff)
{
$columnType = $columnDiff->column->getType();
if (! $columnType instanceof BinaryType && ! $columnType instanceof BlobType) {
return false;
}
$fromColumn = $columnDiff->fromColumn instanceof Column ? $columnDiff->fromColumn : null;
if ($fromColumn) {
$fromColumnType = $fromColumn->getType();
if (! $fromColumnType instanceof BinaryType && ! $fromColumnType instanceof BlobType) {
return false;
}
return count(array_diff($columnDiff->changedProperties, ['type', 'length', 'fixed'])) === 0;
}
if ($columnDiff->hasChanged('type')) {
return false;
}
return count(array_diff($columnDiff->changedProperties, ['length', 'fixed'])) === 0;
}
/**
* {@inheritdoc}
*/
protected function getRenameIndexSQL($oldIndexName, Index $index, $tableName)
{
if (strpos($tableName, '.') !== false) {
[$schema] = explode('.', $tableName);
$oldIndexName = $schema . '.' . $oldIndexName;
}
return ['ALTER INDEX ' . $oldIndexName . ' RENAME TO ' . $index->getQuotedName($this)];
}
/**
* {@inheritdoc}
*/
public function getCommentOnColumnSQL($tableName, $columnName, $comment)
{
$tableName = new Identifier($tableName);
$columnName = new Identifier($columnName);
$comment = $comment === null ? 'NULL' : $this->quoteStringLiteral($comment);
return sprintf(
'COMMENT ON COLUMN %s.%s IS %s',
$tableName->getQuotedName($this),
$columnName->getQuotedName($this),
$comment
);
}
/**
* {@inheritDoc}
*/
public function getCreateSequenceSQL(Sequence $sequence)
{
return 'CREATE SEQUENCE ' . $sequence->getQuotedName($this) .
' INCREMENT BY ' . $sequence->getAllocationSize() .
' MINVALUE ' . $sequence->getInitialValue() .
' START ' . $sequence->getInitialValue() .
$this->getSequenceCacheSQL($sequence);
}
/**
* {@inheritDoc}
*/
public function getAlterSequenceSQL(Sequence $sequence)
{
return 'ALTER SEQUENCE ' . $sequence->getQuotedName($this) .
' INCREMENT BY ' . $sequence->getAllocationSize() .
$this->getSequenceCacheSQL($sequence);
}
/**
* Cache definition for sequences
*
* @return string
*/
private function getSequenceCacheSQL(Sequence $sequence)
{
if ($sequence->getCache() > 1) {
return ' CACHE ' . $sequence->getCache();
}
return '';
}
/**
* {@inheritDoc}
*/
public function getDropSequenceSQL($sequence)
{
if ($sequence instanceof Sequence) {
$sequence = $sequence->getQuotedName($this);
}
return 'DROP SEQUENCE ' . $sequence . ' CASCADE';
}
/**
* {@inheritDoc}
*/
public function getCreateSchemaSQL($schemaName)
{
return 'CREATE SCHEMA ' . $schemaName;
}
/**
* {@inheritDoc}
*/
public function getDropForeignKeySQL($foreignKey, $table)
{
return $this->getDropConstraintSQL($foreignKey, $table);
}
/**
* {@inheritDoc}
*/
protected function _getCreateTableSQL($name, array $columns, array $options = [])
{
$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 ' . $name . ' (' . $queryFields . ')';
$sql = [$query];
if (isset($options['indexes']) && ! empty($options['indexes'])) {
foreach ($options['indexes'] as $index) {
$sql[] = $this->getCreateIndexSQL($index, $name);
}
}
if (isset($options['foreignKeys'])) {
foreach ((array) $options['foreignKeys'] as $definition) {
$sql[] = $this->getCreateForeignKeySQL($definition, $name);
}
}
return $sql;
}
/**
* Converts a single boolean value.
*
* First converts the value to its native PHP boolean type
* and passes it to the given callback function to be reconverted
* into any custom representation.
*
* @param mixed $value The value to convert.
* @param callable $callback The callback function to use for converting the real boolean value.
*
* @return mixed
*
* @throws UnexpectedValueException
*/
private function convertSingleBooleanValue($value, $callback)
{
if ($value === null) {
return $callback(null);
}
if (is_bool($value) || is_numeric($value)) {
return $callback((bool) $value);
}
if (! is_string($value)) {
return $callback(true);
}
/**
* Better safe than sorry: http://php.net/in_array#106319
*/
if (in_array(strtolower(trim($value)), $this->booleanLiterals['false'], true)) {
return $callback(false);
}
if (in_array(strtolower(trim($value)), $this->booleanLiterals['true'], true)) {
return $callback(true);
}
throw new UnexpectedValueException("Unrecognized boolean literal '${value}'");
}
/**
* Converts one or multiple boolean values.
*
* First converts the value(s) to their native PHP boolean type
* and passes them to the given callback function to be reconverted
* into any custom representation.
*
* @param mixed $item The value(s) to convert.
* @param callable $callback The callback function to use for converting the real boolean value(s).
*
* @return mixed
*/
private function doConvertBooleans($item, $callback)
{
if (is_array($item)) {
foreach ($item as $key => $value) {
$item[$key] = $this->convertSingleBooleanValue($value, $callback);
}
return $item;
}
return $this->convertSingleBooleanValue($item, $callback);
}
/**
* {@inheritDoc}
*
* Postgres wants boolean values converted to the strings 'true'/'false'.
*/
public function convertBooleans($item)
{
if (! $this->useBooleanTrueFalseStrings) {
return parent::convertBooleans($item);
}
return $this->doConvertBooleans(
$item,
/**
* @param mixed $value
*/
static function ($value) {
if ($value === null) {
return 'NULL';
}
return $value === true ? 'true' : 'false';
}
);
}
/**
* {@inheritDoc}
*/
public function convertBooleansToDatabaseValue($item)
{
if (! $this->useBooleanTrueFalseStrings) {
return parent::convertBooleansToDatabaseValue($item);
}
return $this->doConvertBooleans(
$item,
/**
* @param mixed $value
*/
static function ($value) {
return $value === null ? null : (int) $value;
}
);
}
/**
* {@inheritDoc}
*/
public function convertFromBoolean($item)
{
if ($item !== null && in_array(strtolower($item), $this->booleanLiterals['false'], true)) {
return false;
}
return parent::convertFromBoolean($item);
}
/**
* {@inheritDoc}
*/
public function getSequenceNextValSQL($sequence)
{
return "SELECT NEXTVAL('" . $sequence . "')";
}
/**
* {@inheritDoc}
*/
public function getSetTransactionIsolationSQL($level)
{
return 'SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL '
. $this->_getTransactionIsolationLevelSQL($level);
}
/**
* {@inheritDoc}
*/
public function getBooleanTypeDeclarationSQL(array $column)
{
return 'BOOLEAN';
}
/**
* {@inheritDoc}
*/
public function getIntegerTypeDeclarationSQL(array $column)
{
if (! empty($column['autoincrement'])) {
return 'SERIAL';
}
return 'INT';
}
/**
* {@inheritDoc}
*/
public function getBigIntTypeDeclarationSQL(array $column)
{
if (! empty($column['autoincrement'])) {
return 'BIGSERIAL';
}
return 'BIGINT';
}
/**
* {@inheritDoc}
*/
public function getSmallIntTypeDeclarationSQL(array $column)
{
return 'SMALLINT';
}
/**
* {@inheritDoc}
*/
public function getGuidTypeDeclarationSQL(array $column)
{
return 'UUID';
}
/**
* {@inheritDoc}
*/
public function getDateTimeTypeDeclarationSQL(array $column)
{
return 'TIMESTAMP(0) WITHOUT TIME ZONE';
}
/**
* {@inheritDoc}
*/
public function getDateTimeTzTypeDeclarationSQL(array $column)
{
return 'TIMESTAMP(0) WITH TIME ZONE';
}
/**
* {@inheritDoc}
*/
public function getDateTypeDeclarationSQL(array $column)
{
return 'DATE';
}
/**
* {@inheritDoc}
*/
public function getTimeTypeDeclarationSQL(array $column)
{
return 'TIME(0) WITHOUT TIME ZONE';
}
/**
* {@inheritDoc}
*
* @deprecated Use application-generated UUIDs instead
*/
public function getGuidExpression()
{
return 'UUID_GENERATE_V4()';
}
/**
* {@inheritDoc}
*/
protected function _getCommonIntegerTypeDeclarationSQL(array $column)
{
return '';
}
/**
* {@inheritDoc}
*/
protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
{
return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
: ($length ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)');
}
/**
* {@inheritdoc}
*/
protected function getBinaryTypeDeclarationSQLSnippet($length, $fixed)
{
return 'BYTEA';
}
/**
* {@inheritDoc}
*/
public function getClobTypeDeclarationSQL(array $column)
{
return 'TEXT';
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'postgresql';
}
/**
* {@inheritDoc}
*
* PostgreSQL returns all column names in SQL result sets in lowercase.
*
* @deprecated
*/
public function getSQLResultCasing($column)
{
return strtolower($column);
}
/**
* {@inheritDoc}
*/
public function getDateTimeTzFormatString()
{
return 'Y-m-d H:i:sO';
}
/**
* {@inheritDoc}
*/
public function getEmptyIdentityInsertSQL($quotedTableName, $quotedIdentifierColumnName)
{
return 'INSERT INTO ' . $quotedTableName . ' (' . $quotedIdentifierColumnName . ') VALUES (DEFAULT)';
}
/**
* {@inheritDoc}
*/
public function getTruncateTableSQL($tableName, $cascade = false)
{
$tableIdentifier = new Identifier($tableName);
$sql = 'TRUNCATE ' . $tableIdentifier->getQuotedName($this);
if ($cascade) {
$sql .= ' CASCADE';
}
return $sql;
}
/**
* {@inheritDoc}
*/
public function getReadLockSQL()
{
return 'FOR SHARE';
}
/**
* {@inheritDoc}
*/
protected function initializeDoctrineTypeMappings()
{
$this->doctrineTypeMapping = [
'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',
'tsvector' => 'text',
'varchar' => 'string',
'interval' => 'string',
'_varchar' => 'string',
'char' => 'string',
'bpchar' => 'string',
'inet' => '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',
'uuid' => 'guid',
'bytea' => 'blob',
];
}
/**
* {@inheritDoc}
*/
public function getVarcharMaxLength()
{
return 65535;
}
/**
* {@inheritdoc}
*/
public function getBinaryMaxLength()
{
return 0;
}
/**
* {@inheritdoc}
*/
public function getBinaryDefaultLength()
{
return 0;
}
/**
* {@inheritDoc}
*/
protected function getReservedKeywordsClass()
{
return KeywordsPostgreSQLKeywords::class;
}
/**
* {@inheritDoc}
*/
public function getBlobTypeDeclarationSQL(array $column)
{
return 'BYTEA';
}
/**
* {@inheritdoc}
*/
public function getDefaultValueDeclarationSQL($column)
{
if ($this->isSerialColumn($column)) {
return '';
}
return parent::getDefaultValueDeclarationSQL($column);
}
/**
* @param mixed[] $column
*/
private function isSerialColumn(array $column): bool
{
return isset($column['type'], $column['autoincrement'])
&& $column['autoincrement'] === true
&& $this->isNumericType($column['type']);
}
/**
* Check whether the type of a column is changed in a way that invalidates the default value for the column
*/
private function typeChangeBreaksDefaultValue(ColumnDiff $columnDiff): bool
{
if (! $columnDiff->fromColumn) {
return $columnDiff->hasChanged('type');
}
$oldTypeIsNumeric = $this->isNumericType($columnDiff->fromColumn->getType());
$newTypeIsNumeric = $this->isNumericType($columnDiff->column->getType());
// default should not be changed when switching between numeric types and the default comes from a sequence
return $columnDiff->hasChanged('type')
&& ! ($oldTypeIsNumeric && $newTypeIsNumeric && $columnDiff->column->getAutoincrement());
}
private function isNumericType(Type $type): bool
{
return $type instanceof IntegerType || $type instanceof BigIntType;
}
private function getOldColumnComment(ColumnDiff $columnDiff): ?string
{
return $columnDiff->fromColumn ? $this->getColumnComment($columnDiff->fromColumn) : null;
}
public function getListTableMetadataSQL(string $table, ?string $schema = null): string
{
if ($schema !== null) {
$table = $schema . '.' . $table;
}
return sprintf(
<<<'SQL'
SELECT obj_description(%s::regclass) AS table_comment;
SQL
,
$this->quoteStringLiteral($table)
);
}
}