protected Tasks::checkEncoding() Check

public Schema::fieldExists($table, $column)

protected Connection::handleQueryException(\PDOException $e

Error code for "Unable to open database file" error. File core/lib/Drupal/Core/Database/Driver/sqlite/Connection

public static Connection::sqlFunctionConcatWs()

public NativeUpsert::execute() Runs

public Insert::__toString() Implements

MySQL implementation of

public Connection::mapConditionOperator($operator)

PostgreSQL implementation of native