public override object VisitScalarFunctionCall([NotNull] PostgresParser.ScalarFunctionCallContext context)
{
ScalarFunction res;
if (context.scalarFunctionName().SUM() != null)
res = new SumAggregationFunction(context.scalarFunctionName().GetText());
else if (context.scalarFunctionName().COUNT() != null)
res = new CountAggregationFunction(context.scalarFunctionName().GetText());
else if (context.scalarFunctionName().AVG() != null)
res = new AvgAggregationFunction(context.scalarFunctionName().GetText());
else if (context.scalarFunctionName().MIN() != null)
res = new MinAggregationFunction(context.scalarFunctionName().GetText());
else if (context.scalarFunctionName().MAX() != null)
res = new MaxAggregationFunction(context.scalarFunctionName().GetText());
else if (context.scalarFunctionName().STDDEV_SAMP() != null)
res = new StDevAggregationFunction(context.scalarFunctionName().GetText());
else if (context.scalarFunctionName().LINREG() != null)
res = new LinRegAggregationFunction(context.scalarFunctionName().GetText());
else
res = new ScalarFunction(context.scalarFunctionName().GetText());
if (context.functionArgs() != null)
foreach (var exp in (List<Expression>)Visit(context.functionArgs()))
res.AddChild(exp);
return res;
}
public void FunctionsEquals()
{
{
var func = new SumAggregationFunction("fn");
func.AddChild(new ColumnRef("a"));
var func2 = new SumAggregationFunction("fn");
Assert.NotEqual(func, func2);
func2.AddChild(new ColumnRef("a"));
Assert.Equal(func, func2);
var func3 = func.Clone() as SumAggregationFunction;
Assert.Equal(func, func3);
}
{
var func = new CountAggregationFunction("fn");
func.AddChild(new ColumnRef("a"));
var func2 = new CountAggregationFunction("fn");
Assert.NotEqual(func, func2);
func2.AddChild(new ColumnRef("a"));
Assert.Equal(func, func2);
var func3 = func.Clone() as CountAggregationFunction;
Assert.Equal(func, func3);
}
{
var func = new AvgAggregationFunction("fn");
func.AddChild(new ColumnRef("a"));
var func2 = new AvgAggregationFunction("fn");
Assert.NotEqual(func, func2);
func2.AddChild(new ColumnRef("a"));
Assert.Equal(func, func2);
var func3 = func.Clone() as AvgAggregationFunction;
Assert.Equal(func, func3);
}
{
var func = new PaillierAdditionFunction("fn", new ColumnRef("a"), new ColumnRef("b"),
new BinaryConstant(new byte[] { 0x00 }));
var func2 = new PaillierAdditionFunction("fn", new ColumnRef("a"), new ColumnRef("b"),
new BinaryConstant(new byte[] { 0x00 }), "alias");
Assert.NotEqual(func, func2);
func.Alias.id = "alias";
Assert.Equal(func, func2);
var func3 = func.Clone() as PaillierAdditionFunction;
Assert.Equal(func, func3);
}
{
var func = new ElGamalMultiplicationFunction("fn", new ColumnRef("a"), new ColumnRef("b"),
new BinaryConstant(new byte[] { 0x00 }));
var func2 = new ElGamalMultiplicationFunction("fn", new ColumnRef("a"), new ColumnRef("b"),
new BinaryConstant(new byte[] { 0x00 }), "alias");
Assert.NotEqual(func, func2);
func.Alias.id = "alias";
Assert.Equal(func, func2);
var func3 = func.Clone() as ElGamalMultiplicationFunction;
Assert.Equal(func, func3);
}
}
