Method parseArguments

src/TableFunctions/TableFunctionSQLite.cpp:73–92

void TableFunctionSQLite::parseArguments(const ASTPtr & ast_function, ContextPtr context)
{
    const auto & func_args = ast_function->as<ASTFunction &>();

    if (!func_args.arguments)
        throw Exception(ErrorCodes::BAD_ARGUMENTS, "Table function 'sqlite' must have arguments.");

    ASTs & args = func_args.arguments->children;

    if (args.size() != 2)
        throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH, "SQLite database requires 2 arguments: database path, table name");

    for (auto & arg : args)
        arg = evaluateConstantExpressionOrIdentifierAsLiteral(arg, context);

    database_path = checkAndGetLiteralArgument<String>(args[0], "database_path");
    remote_table_name = checkAndGetLiteralArgument<String>(args[1], "table_name");

    sqlite_db = openSQLiteDB(database_path, context);
}

}