770 lines
23 KiB
PHP
770 lines
23 KiB
PHP
<?php
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namespace Doctrine\DBAL\Schema;
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use Doctrine\DBAL\Exception;
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use Doctrine\DBAL\Platforms\PostgreSQLPlatform;
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use Doctrine\DBAL\Result;
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use Doctrine\DBAL\Types\JsonType;
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use Doctrine\DBAL\Types\Type;
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use Doctrine\DBAL\Types\Types;
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use Doctrine\Deprecations\Deprecation;
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use function array_change_key_case;
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use function array_filter;
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use function array_map;
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use function array_merge;
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use function array_shift;
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use function assert;
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use function explode;
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use function get_class;
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use function implode;
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use function in_array;
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use function preg_match;
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use function preg_replace;
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use function sprintf;
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use function str_replace;
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use function strpos;
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use function strtolower;
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use function trim;
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use const CASE_LOWER;
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/**
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* PostgreSQL Schema Manager.
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*
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* @extends AbstractSchemaManager<PostgreSQLPlatform>
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*/
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class PostgreSQLSchemaManager extends AbstractSchemaManager
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{
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/** @var string[]|null */
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private ?array $existingSchemaPaths = null;
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/**
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* {@inheritDoc}
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*/
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public function listTableNames()
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{
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return $this->doListTableNames();
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}
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/**
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* {@inheritDoc}
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*/
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public function listTables()
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{
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return $this->doListTables();
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}
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/**
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* {@inheritDoc}
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*
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* @deprecated Use {@see introspectTable()} instead.
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*/
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public function listTableDetails($name)
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{
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Deprecation::triggerIfCalledFromOutside(
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'doctrine/dbal',
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'https://github.com/doctrine/dbal/pull/5595',
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'%s is deprecated. Use introspectTable() instead.',
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__METHOD__,
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);
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return $this->doListTableDetails($name);
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}
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/**
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* {@inheritDoc}
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*/
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public function listTableColumns($table, $database = null)
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{
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return $this->doListTableColumns($table, $database);
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}
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/**
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* {@inheritDoc}
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*/
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public function listTableIndexes($table)
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{
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return $this->doListTableIndexes($table);
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}
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/**
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* {@inheritDoc}
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*/
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public function listTableForeignKeys($table, $database = null)
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{
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return $this->doListTableForeignKeys($table, $database);
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}
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/**
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* Gets all the existing schema names.
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*
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* @deprecated Use {@see listSchemaNames()} instead.
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*
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* @return string[]
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*
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* @throws Exception
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*/
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public function getSchemaNames()
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{
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Deprecation::trigger(
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'doctrine/dbal',
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'https://github.com/doctrine/dbal/issues/4503',
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'PostgreSQLSchemaManager::getSchemaNames() is deprecated,'
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. ' use PostgreSQLSchemaManager::listSchemaNames() instead.',
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);
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return $this->listNamespaceNames();
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}
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/**
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* {@inheritDoc}
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*/
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public function listSchemaNames(): array
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{
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return $this->_conn->fetchFirstColumn(
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<<<'SQL'
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SELECT schema_name
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FROM information_schema.schemata
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WHERE schema_name NOT LIKE 'pg\_%'
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AND schema_name != 'information_schema'
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SQL,
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);
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}
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/**
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* {@inheritDoc}
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*
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* @deprecated
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*/
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public function getSchemaSearchPaths()
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{
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Deprecation::triggerIfCalledFromOutside(
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'doctrine/dbal',
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'https://github.com/doctrine/dbal/pull/4821',
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'PostgreSQLSchemaManager::getSchemaSearchPaths() is deprecated.',
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);
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$params = $this->_conn->getParams();
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$searchPaths = $this->_conn->fetchOne('SHOW search_path');
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assert($searchPaths !== false);
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$schema = explode(',', $searchPaths);
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if (isset($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', $schema);
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}
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/**
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* Gets names of all existing schemas in the current users search path.
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*
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* This is a PostgreSQL only function.
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*
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* @internal The method should be only used from within the PostgreSQLSchemaManager class hierarchy.
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*
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* @return string[]
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*
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* @throws Exception
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*/
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public function getExistingSchemaSearchPaths()
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{
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if ($this->existingSchemaPaths === null) {
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$this->determineExistingSchemaSearchPaths();
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}
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assert($this->existingSchemaPaths !== null);
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return $this->existingSchemaPaths;
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}
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/**
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* Returns the name of the current schema.
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*
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* @return string|null
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*
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* @throws Exception
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*/
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protected function getCurrentSchema()
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{
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$schemas = $this->getExistingSchemaSearchPaths();
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return array_shift($schemas);
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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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* @internal The method should be only used from within the PostgreSQLSchemaManager class hierarchy.
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*
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* @return void
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*
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* @throws Exception
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*/
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public function determineExistingSchemaSearchPaths()
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{
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$names = $this->listSchemaNames();
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$paths = $this->getSchemaSearchPaths();
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$this->existingSchemaPaths = array_filter($paths, static function ($v) use ($names): bool {
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return in_array($v, $names, true);
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});
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}
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/**
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* {@inheritDoc}
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*/
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protected function _getPortableTableForeignKeyDefinition($tableForeignKey)
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{
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$onUpdate = null;
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$onDelete = null;
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if (
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preg_match(
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'(ON UPDATE ([a-zA-Z0-9]+( (NULL|ACTION|DEFAULT))?))',
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$tableForeignKey['condef'],
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$match,
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) === 1
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) {
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$onUpdate = $match[1];
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}
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if (
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preg_match(
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'(ON DELETE ([a-zA-Z0-9]+( (NULL|ACTION|DEFAULT))?))',
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$tableForeignKey['condef'],
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$match,
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) === 1
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) {
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$onDelete = $match[1];
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}
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$result = preg_match('/FOREIGN KEY \((.+)\) REFERENCES (.+)\((.+)\)/', $tableForeignKey['condef'], $values);
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assert($result === 1);
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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 = $values[2];
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return new ForeignKeyConstraint(
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$localColumns,
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$foreignTable,
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$foreignColumns,
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$tableForeignKey['conname'],
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['onUpdate' => $onUpdate, 'onDelete' => $onDelete],
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);
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}
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/**
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* {@inheritDoc}
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*/
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protected function _getPortableViewDefinition($view)
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{
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return new View($view['schemaname'] . '.' . $view['viewname'], $view['definition']);
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}
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/**
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* {@inheritDoc}
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*/
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protected function _getPortableTableDefinition($table)
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{
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$currentSchema = $this->getCurrentSchema();
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if ($table['schema_name'] === $currentSchema) {
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return $table['table_name'];
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}
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return $table['schema_name'] . '.' . $table['table_name'];
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}
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/**
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* {@inheritDoc}
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*/
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protected function _getPortableTableIndexesList($tableIndexes, $tableName = null)
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{
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$buffer = [];
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foreach ($tableIndexes as $row) {
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$colNumbers = array_map('intval', explode(' ', $row['indkey']));
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$columnNameSql = sprintf(
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'SELECT attnum, attname FROM pg_attribute WHERE attrelid=%d AND attnum IN (%s) ORDER BY attnum ASC',
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$row['indrelid'],
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implode(' ,', $colNumbers),
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);
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$indexColumns = $this->_conn->fetchAllAssociative($columnNameSql);
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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 !== $colRow['attnum']) {
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continue;
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}
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$buffer[] = [
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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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'where' => $row['where'],
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];
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}
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}
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}
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return parent::_getPortableTableIndexesList($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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* @deprecated Use {@see listSchemaNames()} instead.
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*/
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protected function getPortableNamespaceDefinition(array $namespace)
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{
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Deprecation::triggerIfCalledFromOutside(
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'doctrine/dbal',
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'https://github.com/doctrine/dbal/issues/4503',
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'PostgreSQLSchemaManager::getPortableNamespaceDefinition() is deprecated,'
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. ' use PostgreSQLSchemaManager::listSchemaNames() instead.',
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);
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return $namespace['nspname'];
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}
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/**
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* {@inheritDoc}
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*/
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protected function _getPortableSequenceDefinition($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 = $sequence['relname'];
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}
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return new Sequence($sequenceName, (int) $sequence['increment_by'], (int) $sequence['min_value']);
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}
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/**
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* {@inheritDoc}
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*/
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protected function _getPortableTableColumnDefinition($tableColumn)
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{
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$tableColumn = array_change_key_case($tableColumn, CASE_LOWER);
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if (strtolower($tableColumn['type']) === 'varchar' || strtolower($tableColumn['type']) === 'bpchar') {
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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 = [];
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$autoincrement = false;
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if (
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$tableColumn['default'] !== null
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&& preg_match("/^nextval\('(.*)'(::.*)?\)$/", $tableColumn['default'], $matches) === 1
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) {
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$tableColumn['sequence'] = $matches[1];
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$tableColumn['default'] = null;
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$autoincrement = true;
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}
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if ($tableColumn['default'] !== null) {
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if (preg_match("/^['(](.*)[')]::/", $tableColumn['default'], $matches) === 1) {
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$tableColumn['default'] = $matches[1];
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} elseif (preg_match('/^NULL::/', $tableColumn['default']) === 1) {
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$tableColumn['default'] = null;
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}
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}
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$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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$scale = null;
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$jsonb = null;
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$dbType = strtolower($tableColumn['type']);
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if (
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$tableColumn['domain_type'] !== null
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&& $tableColumn['domain_type'] !== ''
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&& ! $this->_platform->hasDoctrineTypeMappingFor($tableColumn['type'])
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) {
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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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$tableColumn['default'] = $this->fixVersion94NegativeNumericDefaultValue($tableColumn['default']);
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$length = null;
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break;
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case 'int':
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case 'int4':
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case 'integer':
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$tableColumn['default'] = $this->fixVersion94NegativeNumericDefaultValue($tableColumn['default']);
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$length = null;
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break;
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case 'bigint':
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case 'int8':
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$tableColumn['default'] = $this->fixVersion94NegativeNumericDefaultValue($tableColumn['default']);
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$length = null;
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break;
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case 'bool':
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case 'boolean':
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if ($tableColumn['default'] === 'true') {
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$tableColumn['default'] = true;
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}
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if ($tableColumn['default'] === 'false') {
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$tableColumn['default'] = false;
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}
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$length = null;
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break;
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case 'json':
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case 'text':
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case '_varchar':
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case 'varchar':
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$tableColumn['default'] = $this->parseDefaultExpression($tableColumn['default']);
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$fixed = false;
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break;
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case 'interval':
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$fixed = false;
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break;
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case 'char':
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case 'bpchar':
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$fixed = true;
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break;
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case 'float':
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case 'float4':
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case 'float8':
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case 'double':
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case 'double precision':
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case 'real':
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case 'decimal':
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case 'money':
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case 'numeric':
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$tableColumn['default'] = $this->fixVersion94NegativeNumericDefaultValue($tableColumn['default']);
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if (
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preg_match(
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'([A-Za-z]+\(([0-9]+),([0-9]+)\))',
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$tableColumn['complete_type'],
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$match,
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) === 1
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) {
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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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$length = null;
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break;
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// PostgreSQL 9.4+ only
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case 'jsonb':
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$jsonb = true;
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break;
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}
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if (
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$tableColumn['default'] !== null && preg_match(
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"('([^']+)'::)",
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$tableColumn['default'],
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$match,
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) === 1
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) {
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$tableColumn['default'] = $match[1];
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}
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$options = [
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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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'precision' => $precision,
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'scale' => $scale,
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'fixed' => $fixed,
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'autoincrement' => $autoincrement,
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'comment' => isset($tableColumn['comment']) && $tableColumn['comment'] !== ''
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? $tableColumn['comment']
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: null,
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];
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$column = new Column($tableColumn['field'], Type::getType($type), $options);
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if (! empty($tableColumn['collation'])) {
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$column->setPlatformOption('collation', $tableColumn['collation']);
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}
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if ($column->getType()->getName() === Types::JSON) {
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if (! $column->getType() instanceof JsonType) {
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Deprecation::trigger(
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'doctrine/dbal',
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'https://github.com/doctrine/dbal/pull/5049',
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<<<'DEPRECATION'
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%s not extending %s while being named %s is deprecated,
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and will lead to jsonb never to being used in 4.0.,
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DEPRECATION,
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get_class($column->getType()),
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JsonType::class,
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Types::JSON,
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);
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}
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$column->setPlatformOption('jsonb', $jsonb);
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}
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return $column;
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}
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|
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/**
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* PostgreSQL 9.4 puts parentheses around negative numeric default values that need to be stripped eventually.
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*
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* @param mixed $defaultValue
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*
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* @return mixed
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*/
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|
private function fixVersion94NegativeNumericDefaultValue($defaultValue)
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{
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if ($defaultValue !== null && strpos($defaultValue, '(') === 0) {
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return trim($defaultValue, '()');
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}
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return $defaultValue;
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}
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|
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/**
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|
* Parses a default value expression as given by PostgreSQL
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*/
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|
private function parseDefaultExpression(?string $default): ?string
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{
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if ($default === null) {
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return $default;
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}
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return str_replace("''", "'", $default);
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}
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|
|
protected function selectTableNames(string $databaseName): Result
|
|
{
|
|
$sql = <<<'SQL'
|
|
SELECT quote_ident(table_name) AS table_name,
|
|
table_schema AS schema_name
|
|
FROM information_schema.tables
|
|
WHERE table_catalog = ?
|
|
AND table_schema NOT LIKE 'pg\_%'
|
|
AND table_schema != 'information_schema'
|
|
AND table_name != 'geometry_columns'
|
|
AND table_name != 'spatial_ref_sys'
|
|
AND table_type = 'BASE TABLE'
|
|
SQL;
|
|
|
|
return $this->_conn->executeQuery($sql, [$databaseName]);
|
|
}
|
|
|
|
protected function selectTableColumns(string $databaseName, ?string $tableName = null): Result
|
|
{
|
|
$sql = 'SELECT';
|
|
|
|
if ($tableName === null) {
|
|
$sql .= ' c.relname AS table_name, n.nspname AS schema_name,';
|
|
}
|
|
|
|
$sql .= sprintf(<<<'SQL'
|
|
a.attnum,
|
|
quote_ident(a.attname) AS field,
|
|
t.typname AS type,
|
|
format_type(a.atttypid, a.atttypmod) AS complete_type,
|
|
(SELECT tc.collcollate FROM pg_catalog.pg_collation tc WHERE tc.oid = a.attcollation) AS collation,
|
|
(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,
|
|
(%s) 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
|
|
INNER JOIN pg_class c
|
|
ON c.oid = a.attrelid
|
|
INNER JOIN pg_type t
|
|
ON t.oid = a.atttypid
|
|
INNER JOIN pg_namespace n
|
|
ON n.oid = c.relnamespace
|
|
LEFT JOIN pg_depend d
|
|
ON d.objid = c.oid
|
|
AND d.deptype = 'e'
|
|
AND d.classid = (SELECT oid FROM pg_class WHERE relname = 'pg_class')
|
|
SQL, $this->_platform->getDefaultColumnValueSQLSnippet());
|
|
|
|
$conditions = array_merge([
|
|
'a.attnum > 0',
|
|
"c.relkind = 'r'",
|
|
'd.refobjid IS NULL',
|
|
], $this->buildQueryConditions($tableName));
|
|
|
|
$sql .= ' WHERE ' . implode(' AND ', $conditions) . ' ORDER BY a.attnum';
|
|
|
|
return $this->_conn->executeQuery($sql);
|
|
}
|
|
|
|
protected function selectIndexColumns(string $databaseName, ?string $tableName = null): Result
|
|
{
|
|
$sql = 'SELECT';
|
|
|
|
if ($tableName === null) {
|
|
$sql .= ' tc.relname AS table_name, tn.nspname AS schema_name,';
|
|
}
|
|
|
|
$sql .= <<<'SQL'
|
|
quote_ident(ic.relname) AS relname,
|
|
i.indisunique,
|
|
i.indisprimary,
|
|
i.indkey,
|
|
i.indrelid,
|
|
pg_get_expr(indpred, indrelid) AS "where"
|
|
FROM pg_index i
|
|
JOIN pg_class AS tc ON tc.oid = i.indrelid
|
|
JOIN pg_namespace tn ON tn.oid = tc.relnamespace
|
|
JOIN pg_class AS ic ON ic.oid = i.indexrelid
|
|
WHERE ic.oid IN (
|
|
SELECT indexrelid
|
|
FROM pg_index i, pg_class c, pg_namespace n
|
|
SQL;
|
|
|
|
$conditions = array_merge([
|
|
'c.oid = i.indrelid',
|
|
'c.relnamespace = n.oid',
|
|
], $this->buildQueryConditions($tableName));
|
|
|
|
$sql .= ' WHERE ' . implode(' AND ', $conditions) . ')';
|
|
|
|
return $this->_conn->executeQuery($sql);
|
|
}
|
|
|
|
protected function selectForeignKeyColumns(string $databaseName, ?string $tableName = null): Result
|
|
{
|
|
$sql = 'SELECT';
|
|
|
|
if ($tableName === null) {
|
|
$sql .= ' tc.relname AS table_name, tn.nspname AS schema_name,';
|
|
}
|
|
|
|
$sql .= <<<'SQL'
|
|
quote_ident(r.conname) as conname,
|
|
pg_get_constraintdef(r.oid, true) as condef
|
|
FROM pg_constraint r
|
|
JOIN pg_class AS tc ON tc.oid = r.conrelid
|
|
JOIN pg_namespace tn ON tn.oid = tc.relnamespace
|
|
WHERE r.conrelid IN
|
|
(
|
|
SELECT c.oid
|
|
FROM pg_class c, pg_namespace n
|
|
SQL;
|
|
|
|
$conditions = array_merge(['n.oid = c.relnamespace'], $this->buildQueryConditions($tableName));
|
|
|
|
$sql .= ' WHERE ' . implode(' AND ', $conditions) . ") AND r.contype = 'f'";
|
|
|
|
return $this->_conn->executeQuery($sql);
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
protected function fetchTableOptionsByTable(string $databaseName, ?string $tableName = null): array
|
|
{
|
|
$sql = <<<'SQL'
|
|
SELECT c.relname,
|
|
CASE c.relpersistence WHEN 'u' THEN true ELSE false END as unlogged,
|
|
obj_description(c.oid, 'pg_class') AS comment
|
|
FROM pg_class c
|
|
INNER JOIN pg_namespace n
|
|
ON n.oid = c.relnamespace
|
|
SQL;
|
|
|
|
$conditions = array_merge(["c.relkind = 'r'"], $this->buildQueryConditions($tableName));
|
|
|
|
$sql .= ' WHERE ' . implode(' AND ', $conditions);
|
|
|
|
return $this->_conn->fetchAllAssociativeIndexed($sql);
|
|
}
|
|
|
|
/**
|
|
* @param string|null $tableName
|
|
*
|
|
* @return list<string>
|
|
*/
|
|
private function buildQueryConditions($tableName): array
|
|
{
|
|
$conditions = [];
|
|
|
|
if ($tableName !== null) {
|
|
if (strpos($tableName, '.') !== false) {
|
|
[$schemaName, $tableName] = explode('.', $tableName);
|
|
$conditions[] = 'n.nspname = ' . $this->_platform->quoteStringLiteral($schemaName);
|
|
} else {
|
|
$conditions[] = 'n.nspname = ANY(current_schemas(false))';
|
|
}
|
|
|
|
$identifier = new Identifier($tableName);
|
|
$conditions[] = 'c.relname = ' . $this->_platform->quoteStringLiteral($identifier->getName());
|
|
}
|
|
|
|
$conditions[] = "n.nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast')";
|
|
|
|
return $conditions;
|
|
}
|
|
}
|