public override object VisitUdfFunctionCall([NotNull] PostgresParser.UdfFunctionCallContext context)
{
var res = new ScalarFunction((Identifier)Visit(context.uid()));
if (context.functionArgs() != null)
foreach (var exp in (List<Expression>)Visit(context.functionArgs()))
res.AddChild(exp);
return res;
}
public void FunctionEquals()
{
var func1 = new ScalarFunction("func");
func1.AddChild(new IntConstant(1));
func1.AddChild(new StringConstant("abc"));
var func2 = new ScalarFunction("func");
func2.AddChild(new IntConstant(1));
func2.AddChild(new StringConstant("abc"));
Assert.Equal(func1, func2);
var func3 = new ScalarFunction("func");
func3.AddChild(new StringConstant("abc"));
func3.AddChild(new IntConstant(1));
Assert.NotEqual(func1, func3);
var func4 = (ScalarFunction)func2.Clone();
func4.SetChild(0, new StringConstant("123"));
Assert.NotEqual(func2, func4);
var func5 = new ScalarFunction("func");
Assert.NotEqual(func1, func5);
var func6 = new ScalarFunction("func");
func6.AddChild(new IntConstant(1));
Assert.NotEqual(func1, func6);
var func7 = new ScalarFunction("func");
func7.AddChild(new ColumnRef("tt", "col"));
Assert.Single(func7.GetColumns());
Assert.Equal(new ColumnRef("tt", "col"), func7.GetColumns()[0]);
}