Tasks.php
Same filename in this branch
- 9 core/modules/sqlite/src/Driver/Database/sqlite/Install/Tasks.php
- 9 core/modules/mysql/src/Driver/Database/mysql/Install/Tasks.php
- 9 core/modules/system/tests/modules/database_statement_monitoring_test/src/sqlite/Install/Tasks.php
- 9 core/modules/system/tests/modules/database_statement_monitoring_test/src/mysql/Install/Tasks.php
- 9 core/modules/system/tests/modules/database_statement_monitoring_test/src/pgsql/Install/Tasks.php
- 9 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql/Install/Tasks.php
- 9 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysqlDeprecatedVersion/Install/Tasks.php
- 9 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestPgsql/Install/Tasks.php
- 9 core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefake/Install/Tasks.php
- 9 core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefakeWithAllCustomClasses/Install/Tasks.php
- 9 core/tests/fixtures/database_drivers/core/corefake/Install/Tasks.php
- 9 core/tests/fixtures/database_drivers/custom/corefake/Install/Tasks.php
- 9 core/tests/fixtures/database_drivers/custom/fake/Install/Tasks.php
- 9 core/lib/Drupal/Core/Database/Driver/sqlite/Install/Tasks.php
- 9 core/lib/Drupal/Core/Database/Driver/mysql/Install/Tasks.php
- 9 core/lib/Drupal/Core/Database/Driver/pgsql/Install/Tasks.php
- 9 core/lib/Drupal/Core/Database/Install/Tasks.php
Same filename in other branches
- 8.9.x core/modules/system/tests/modules/database_statement_monitoring_test/src/sqlite/Install/Tasks.php
- 8.9.x core/modules/system/tests/modules/database_statement_monitoring_test/src/mysql/Install/Tasks.php
- 8.9.x core/modules/system/tests/modules/database_statement_monitoring_test/src/pgsql/Install/Tasks.php
- 8.9.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql/Install/Tasks.php
- 8.9.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysqlDeprecatedVersion/Install/Tasks.php
- 8.9.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestPgsql/Install/Tasks.php
- 8.9.x core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefake/Install/Tasks.php
- 8.9.x core/tests/fixtures/database_drivers/core/corefake/Install/Tasks.php
- 8.9.x core/tests/fixtures/database_drivers/custom/corefake/Install/Tasks.php
- 8.9.x core/tests/fixtures/database_drivers/custom/fake/Install/Tasks.php
- 8.9.x core/lib/Drupal/Core/Database/Driver/sqlite/Install/Tasks.php
- 8.9.x core/lib/Drupal/Core/Database/Driver/mysql/Install/Tasks.php
- 8.9.x core/lib/Drupal/Core/Database/Driver/pgsql/Install/Tasks.php
- 8.9.x core/lib/Drupal/Core/Database/Install/Tasks.php
- 10 core/modules/sqlite/src/Driver/Database/sqlite/Install/Tasks.php
- 10 core/modules/mysql/src/Driver/Database/mysql/Install/Tasks.php
- 10 core/modules/system/tests/modules/database_statement_monitoring_test/src/sqlite/Install/Tasks.php
- 10 core/modules/system/tests/modules/database_statement_monitoring_test/src/mysql/Install/Tasks.php
- 10 core/modules/system/tests/modules/database_statement_monitoring_test/src/pgsql/Install/Tasks.php
- 10 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql/Install/Tasks.php
- 10 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysqlDeprecatedVersion/Install/Tasks.php
- 10 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestPgsql/Install/Tasks.php
- 10 core/modules/pgsql/src/Driver/Database/pgsql/Install/Tasks.php
- 10 core/tests/Drupal/Tests/Core/Database/fixtures/core/modules/driver_missing_dependency_test/src/Driver/Database/MissingDependency/Install/Tasks.php
- 10 core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFake/Install/Tasks.php
- 10 core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Install/Tasks.php
- 10 core/tests/fixtures/database_drivers/core/CoreFake/Install/Tasks.php
- 10 core/tests/fixtures/database_drivers/custom/CoreFake/Install/Tasks.php
- 10 core/tests/fixtures/database_drivers/custom/fake/Install/Tasks.php
- 10 core/lib/Drupal/Core/Database/Driver/sqlite/Install/Tasks.php
- 10 core/lib/Drupal/Core/Database/Driver/mysql/Install/Tasks.php
- 10 core/lib/Drupal/Core/Database/Driver/pgsql/Install/Tasks.php
- 10 core/lib/Drupal/Core/Database/Install/Tasks.php
- 11.x core/modules/sqlite/src/Driver/Database/sqlite/Install/Tasks.php
- 11.x core/modules/mysql/src/Driver/Database/mysql/Install/Tasks.php
- 11.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql/Install/Tasks.php
- 11.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysqlDeprecatedVersion/Install/Tasks.php
- 11.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestPgsql/Install/Tasks.php
- 11.x core/modules/pgsql/src/Driver/Database/pgsql/Install/Tasks.php
- 11.x core/tests/Drupal/Tests/Core/Database/fixtures/core/modules/driver_missing_dependency_test/src/Driver/Database/MissingDependency/Install/Tasks.php
- 11.x core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFake/Install/Tasks.php
- 11.x core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Install/Tasks.php
- 11.x core/tests/fixtures/database_drivers/core/CoreFake/Install/Tasks.php
- 11.x core/tests/fixtures/database_drivers/custom/CoreFake/Install/Tasks.php
- 11.x core/tests/fixtures/database_drivers/custom/fake/Install/Tasks.php
- 11.x core/lib/Drupal/Core/Database/Install/Tasks.php
Namespace
Drupal\pgsql\Driver\Database\pgsql\InstallFile
-
core/
modules/ pgsql/ src/ Driver/ Database/ pgsql/ Install/ Tasks.php
View source
<?php
namespace Drupal\pgsql\Driver\Database\pgsql\Install;
use Drupal\Core\Database\Database;
use Drupal\Core\Database\Install\Tasks as InstallTasks;
use Drupal\Core\Database\DatabaseNotFoundException;
/**
* Specifies installation tasks for PostgreSQL databases.
*/
class Tasks extends InstallTasks {
/**
* Minimum required PostgreSQL version.
*
* The contrib extension pg_trgm is supposed to be installed.
*
* @see https://www.postgresql.org/docs/10/pgtrgm.html
*/
const PGSQL_MINIMUM_VERSION = '10';
/**
* {@inheritdoc}
*/
protected $pdoDriver = 'pgsql';
/**
* Constructs a \Drupal\pgsql\Driver\Database\pgsql\Install\Tasks object.
*/
public function __construct() {
$this->tasks[] = [
'function' => 'checkEncoding',
'arguments' => [],
];
$this->tasks[] = [
'function' => 'checkBinaryOutput',
'arguments' => [],
];
$this->tasks[] = [
'function' => 'checkStandardConformingStrings',
'arguments' => [],
];
$this->tasks[] = [
'function' => 'initializeDatabase',
'arguments' => [],
];
}
/**
* {@inheritdoc}
*/
public function name() {
return t('PostgreSQL');
}
/**
* {@inheritdoc}
*/
public function minimumVersion() {
return static::PGSQL_MINIMUM_VERSION;
}
/**
* {@inheritdoc}
*/
protected function connect() {
try {
// This doesn't actually test the connection.
Database::setActiveConnection();
// Now actually do a check.
Database::getConnection();
$this->pass('Drupal can CONNECT to the database ok.');
} catch (\Exception $e) {
// Attempt to create the database if it is not found.
if ($e instanceof DatabaseNotFoundException) {
// Remove the database string from connection info.
$connection_info = Database::getConnectionInfo();
$database = $connection_info['default']['database'];
unset($connection_info['default']['database']);
// In order to change the Database::$databaseInfo array, need to remove
// the active connection, then re-add it with the new info.
Database::removeConnection('default');
Database::addConnectionInfo('default', 'default', $connection_info['default']);
try {
// Now, attempt the connection again; if it's successful, attempt to
// create the database.
Database::getConnection()->createDatabase($database);
Database::closeConnection();
// Now, restore the database config.
Database::removeConnection('default');
$connection_info['default']['database'] = $database;
Database::addConnectionInfo('default', 'default', $connection_info['default']);
// Check the database connection.
Database::getConnection();
$this->pass('Drupal can CONNECT to the database ok.');
} catch (DatabaseNotFoundException $e) {
// Still no dice; probably a permission issue. Raise the error to the
// installer.
$this->fail(t('Database %database not found. The server reports the following message when attempting to create the database: %error.', [
'%database' => $database,
'%error' => $e->getMessage(),
]));
}
}
else {
// Database connection failed for some other reason than a non-existent
// database.
$this->fail(t('Failed to connect to your database server. The server reports the following message: %error.<ul><li>Is the database server running?</li><li>Does the database exist, and have you entered the correct database name?</li><li>Have you entered the correct username and password?</li><li>Have you entered the correct database hostname and port number?</li></ul>', [
'%error' => $e->getMessage(),
]));
return FALSE;
}
}
return TRUE;
}
/**
* Check encoding is UTF8.
*/
protected function checkEncoding() {
try {
if (Database::getConnection()->query('SHOW server_encoding')
->fetchField() == 'UTF8') {
$this->pass(t('Database is encoded in UTF-8'));
}
else {
$this->fail(t('The %driver database must use %encoding encoding to work with Drupal. Recreate the database with %encoding encoding. See <a href="INSTALL.pgsql.txt">INSTALL.pgsql.txt</a> for more details.', [
'%encoding' => 'UTF8',
'%driver' => $this->name(),
]));
}
} catch (\Exception $e) {
$this->fail(t('Drupal could not determine the encoding of the database was set to UTF-8'));
}
}
/**
* Check Binary Output.
*
* Unserializing does not work on Postgresql 9 when bytea_output is 'hex'.
*/
public function checkBinaryOutput() {
$database_connection = Database::getConnection();
if (!$this->checkBinaryOutputSuccess()) {
// First try to alter the database. If it fails, raise an error telling
// the user to do it themselves.
$connection_options = $database_connection->getConnectionOptions();
// It is safe to include the database name directly here, because this
// code is only called when a connection to the database is already
// established, thus the database name is guaranteed to be a correct
// value.
$query = "ALTER DATABASE \"{$connection_options['database']}\" SET bytea_output = 'escape';";
try {
$database_connection->query($query);
} catch (\Exception $e) {
// Ignore possible errors when the user doesn't have the necessary
// privileges to ALTER the database.
}
// Close the database connection so that the configuration parameter
// is applied to the current connection.
Database::closeConnection();
// Recheck, if it fails, finally just rely on the end user to do the
// right thing.
if (!$this->checkBinaryOutputSuccess()) {
$replacements = [
'%setting' => 'bytea_output',
'%current_value' => 'hex',
'%needed_value' => 'escape',
'@query' => $query,
];
$this->fail(t("The %setting setting is currently set to '%current_value', but needs to be '%needed_value'. Change this by running the following query: <code>@query</code>", $replacements));
}
}
}
/**
* Verify that a binary data roundtrip returns the original string.
*/
protected function checkBinaryOutputSuccess() {
$bytea_output = Database::getConnection()->query("SHOW bytea_output")
->fetchField();
return $bytea_output == 'escape';
}
/**
* Ensures standard_conforming_strings setting is 'on'.
*
* When standard_conforming_strings setting is 'on' string literals ('...')
* treat backslashes literally, as specified in the SQL standard. This allows
* Drupal to convert between bytea, text and varchar columns.
*/
public function checkStandardConformingStrings() {
$database_connection = Database::getConnection();
if (!$this->checkStandardConformingStringsSuccess()) {
// First try to alter the database. If it fails, raise an error telling
// the user to do it themselves.
$connection_options = $database_connection->getConnectionOptions();
// It is safe to include the database name directly here, because this
// code is only called when a connection to the database is already
// established, thus the database name is guaranteed to be a correct
// value.
$query = "ALTER DATABASE \"" . $connection_options['database'] . "\" SET standard_conforming_strings = 'on';";
try {
$database_connection->query($query);
} catch (\Exception $e) {
// Ignore possible errors when the user doesn't have the necessary
// privileges to ALTER the database.
}
// Close the database connection so that the configuration parameter
// is applied to the current connection.
Database::closeConnection();
// Recheck, if it fails, finally just rely on the end user to do the
// right thing.
if (!$this->checkStandardConformingStringsSuccess()) {
$replacements = [
'%setting' => 'standard_conforming_strings',
'%current_value' => 'off',
'%needed_value' => 'on',
'@query' => $query,
];
$this->fail(t("The %setting setting is currently set to '%current_value', but needs to be '%needed_value'. Change this by running the following query: <code>@query</code>", $replacements));
}
}
}
/**
* Verifies the standard_conforming_strings setting.
*/
protected function checkStandardConformingStringsSuccess() {
$standard_conforming_strings = Database::getConnection()->query("SHOW standard_conforming_strings")
->fetchField();
return $standard_conforming_strings == 'on';
}
/**
* Make PostgreSQL Drupal friendly.
*/
public function initializeDatabase() {
// We create some functions using global names instead of prefixing them
// like we do with table names. This is so that we don't double up if more
// than one instance of Drupal is running on a single database. We therefore
// avoid trying to create them again in that case.
// At the same time checking for the existence of the function fixes
// concurrency issues, when both try to update at the same time.
try {
$connection = Database::getConnection();
// When testing, two installs might try to run the CREATE FUNCTION queries
// at the same time. Do not let that happen.
$connection->query('SELECT pg_advisory_lock(1)');
// Don't use {} around pg_proc table.
if (!$connection->query("SELECT COUNT(*) FROM pg_proc WHERE proname = 'rand'")
->fetchField()) {
$connection->query('CREATE OR REPLACE FUNCTION "rand"() RETURNS float AS
\'SELECT random();\'
LANGUAGE \'sql\'', [], [
'allow_delimiter_in_query' => TRUE,
]);
}
if (!$connection->query("SELECT COUNT(*) FROM pg_proc WHERE proname = 'substring_index'")
->fetchField()) {
$connection->query('CREATE OR REPLACE FUNCTION "substring_index"(text, text, integer) RETURNS text AS
\'SELECT array_to_string((string_to_array($1, $2)) [1:$3], $2);\'
LANGUAGE \'sql\'', [], [
'allow_delimiter_in_query' => TRUE,
'allow_square_brackets' => TRUE,
]);
}
$connection->query('SELECT pg_advisory_unlock(1)');
$this->pass(t('PostgreSQL has initialized itself.'));
} catch (\Exception $e) {
$this->fail(t('Drupal could not be correctly setup with the existing database due to the following error: @error.', [
'@error' => $e->getMessage(),
]));
}
}
/**
* {@inheritdoc}
*/
public function getFormOptions(array $database) {
$form = parent::getFormOptions($database);
if (empty($form['advanced_options']['port']['#default_value'])) {
$form['advanced_options']['port']['#default_value'] = '5432';
}
return $form;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
Tasks | Specifies installation tasks for PostgreSQL databases. |
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