PostgresCreateSchemaTask.php
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PostgresCreateSchemaTask.php
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	<?php

	namespace MediaWiki\Installer\Task;

	use MediaWiki\MainConfigNames;
	use MediaWiki\Status\Status;
	use Wikimedia\Rdbms\DatabasePostgres;
	use Wikimedia\Rdbms\DBQueryError;

	/**
	* Create the PostgreSQL schema
	*
	* @internal For use by the installer
	*/
	class PostgresCreateSchemaTask extends Task {
	/** @inheritDoc */
	public function getName() {
	return 'schema';
	}

	/** @inheritDoc */
	public function getDependencies() {
	return 'user';
	}

	public function execute(): Status {
	// Get a connection to the target database
	$status = $this->getConnection( ITaskContext::CONN_CREATE_SCHEMA );
	if ( !$status->isOK() ) {
	return $status;
	}
	$conn = $status->getDB();
	'@phan-var DatabasePostgres $conn'; /** @var DatabasePostgres $conn */

	// Create the schema if necessary
	$schema = $this->getConfigVar( MainConfigNames::DBmwschema );
	$safeschema = $conn->addIdentifierQuotes( $schema );
	$safeuser = $conn->addIdentifierQuotes( $this->getConfigVar( MainConfigNames::DBuser ) );
	if ( !$conn->schemaExists( $schema ) ) {
	try {
	$conn->query( "CREATE SCHEMA $safeschema AUTHORIZATION $safeuser", __METHOD__ );
	} catch ( DBQueryError ) {
	return Status::newFatal( 'config-install-pg-schema-failed',
	$this->getOption( 'InstallUser' ), $schema );
	}
	}

	return Status::newGood();
	}
	}