Function createCastFunction

src/Analyzer/Utils.cpp:991–1004

}

QueryTreeNodePtr createCastFunction(QueryTreeNodePtr node, DataTypePtr result_type, ContextPtr context)
{
    auto enum_literal_node = std::make_shared<ConstantNode>(result_type->getName(), std::make_shared<DataTypeString>());

    auto cast_function = FunctionFactory::instance().get("_CAST", std::move(context));
    QueryTreeNodes arguments{ std::move(node), std::move(enum_literal_node) };

    auto function_node = std::make_shared<FunctionNode>("_CAST");
    function_node->getArguments().getNodes() = std::move(arguments);

    function_node->resolveAsFunction(cast_function->build(function_node->getArgumentColumns()));

    return function_node;
}

void resolveOrdinaryFunctionNodeByName(FunctionNode & function_node, const String & function_name, const ContextPtr & context)
{