public void ItShouldHandleASimpleMinus()
{
var stream =
AST.SqlExpression.NewSelect(
AST.SelectExpression.NewPlain(
AST.PlainSelectExpression.NewSet(
S.Minus(
S.PlainSelect(
S.Select(S.Star <Person>()),
S.From <Person>()),
S.PlainSelect(
S.Select(S.Star <Person>()),
S.From <Person>(),
S.Where(
S.BinExp(S.Col <Person>("Age"), AST.BinaryOperation.GreaterThan, S.Const(42))))))));
var result = SqlGen.SqlifyExpression(AnsiSql.Dialect, stream);
var expected =
"SELECT PersonRef.* FROM Person PersonRef " +
"MINUS " +
"SELECT PersonRef.* FROM Person PersonRef WHERE PersonRef.Age > 42";
Assert.That(result, Is.EqualTo(expected));
}