Function addTypeConversionToAST

src/Interpreters/addTypeConversionToAST.cpp:21–33

}

ASTPtr addTypeConversionToAST(ASTPtr && ast, const String & type_name)
{
    auto func = makeASTFunction("_CAST", ast, make_intrusive<ASTLiteral>(type_name));

    if (ASTWithAlias * ast_with_alias = dynamic_cast<ASTWithAlias *>(ast.get()))
    {
        func->alias = ast_with_alias->alias;
        func->setPreferAliasToColumnName(ast_with_alias->preferAliasToColumnName());
        ast_with_alias->alias.clear();
    }

    return func;
}

ASTPtr addTypeConversionToAST(ASTPtr && ast, const String & type_name, const NamesAndTypesList & all_columns, ContextPtr context)
{