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;
 
class PostgresCreateSchemaTask extends Task {
    public function getName() {
        return 'schema';
    }
 
    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'; 
        // 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();
    }
}