Method get

src/TableFunctions/TableFunctionFactory.cpp:40–60

}

TableFunctionPtr TableFunctionFactory::get(
    const ASTPtr & ast_function,
    ContextPtr context) const
{
    const auto * table_function = ast_function->as<ASTFunction>();
    if (!table_function)
        throw Exception(ErrorCodes::LOGICAL_ERROR,
            "Expected a table function (ASTFunction) but got '{}'", ast_function->formatForErrorMessage());

    auto res = tryGet(table_function->name, context);
    if (!res)
    {
        auto hints = getHints(table_function->name);
        if (!hints.empty())
            throw Exception(ErrorCodes::UNKNOWN_FUNCTION, "Unknown table function {}. Maybe you meant: {}", table_function->name, toString(hints));
        throw Exception(ErrorCodes::UNKNOWN_FUNCTION, "Unknown table function {}", table_function->name);
    }

    res->parseArguments(ast_function, context);
    return res;
}

TableFunctionPtr TableFunctionFactory::tryGet(
        const std::string & name_param,