internal static StackExchange.Redis.SetOperation ToRedisOperation(this SetOperations op)
{
var res = StackExchange.Redis.SetOperation.Union;
mapping.TryGetValue(op, out res);
return(res);
}
/// <summary>
/// Set operations are applied. See also <see cref="SetOperations"/> and <see cref="Loxy.SetOperation(SetOperations, Loxy)"/>
/// </summary>
/// <param name="Operation">Setoperation</param>
/// <param name="Clip">the other loca</param>
/// <returns>the settheoretical Loxy.</returns>
public Loxy SetOperation(SetOperations Operation, Loca Clip)
{
Loxy L = ToLoxy();
Loxy LClip = Clip.ToLoxy();
return(L.SetOperation(Operation, LClip));
}
public void SubSetsOf3()
{
var set = new[] { 1, 2, 3 };
var subSetsNeg = SetOperations <int> .SubSets(set, -1).ToArray();
Assert.AreEqual(0, subSetsNeg.Length);
var subSets0 = SetOperations <int> .SubSets(set, 0).ToArray();
Assert.AreEqual(1, subSets0.Length);
var subSets1 = SetOperations <int> .SubSets(set, 1).ToArray();
Assert.AreEqual(3, subSets1.Length);
var subSets2 = SetOperations <int> .SubSets(set, 2).ToArray();
Assert.AreEqual(3, subSets2.Length);
var subSets3 = SetOperations <int> .SubSets(set, 3).ToArray();
Assert.AreEqual(1, subSets3.Length);
var subSets4 = SetOperations <int> .SubSets(set, 4).ToArray();
Assert.AreEqual(0, subSets4.Length);
}
public static IEnumerable <Group> NaiveSolver(ProblemSpecification spec)
{
int minimalNumberOfColors = MinimalNumberOfColors(spec.Colors.Count, spec.Fraction);
return(Enumerable.Range(minimalNumberOfColors, spec.Colors.Count - minimalNumberOfColors + 1)
.SelectMany(n => SetOperations <Color> .SubSets(spec.Colors, n)
.SelectMany(NaiveSolverFull)));
}
public void Cross0By0()
{
var set1 = new int[0];
var set2 = new int[0];
var set1TimesSet2 = SetOperations <int> .CrossProduct(new[] { set1, set2 }).ToArray();
Assert.AreEqual(0, set1TimesSet2.Length);
}
private static IEnumerable <Group> NaiveSolverFull(IEnumerable <Color> colors)
{
var colourPointsPerColor = from color in colors
select color.Points.Select(colorValue => new ColorPoint(colorValue, color));
var groupCandidates = from colorPointCombination in SetOperations <ColorPoint> .CrossProduct(colourPointsPerColor)
select new Group(colorPointCombination);
return(groupCandidates.Where(IsGroupValid));
}
public QueryExpressionBodyBinaryImpl(SQLVendorImpl vendor, SetOperations setOperation, CorrespondingSpec correspondingSpec, QueryExpressionBody left, QueryExpressionBody right, SetQuantifier setQuantifier)
: base(vendor)
{
ArgumentValidator.ValidateNotNull(nameof(left), left);
ArgumentValidator.ValidateNotNull(nameof(right), right);
this._setOperation = setOperation;
this._correspondingSpec = correspondingSpec;
this._left = left;
this._right = right;
this._setQuantifier = setQuantifier;
}
public void ItCanDoASimpleMinus()
{
var expr = SetOperations.Minus(
Select.Star <Person>()
.From <Person>(),
Select.Star <Person>()
.From <Person>()
.Where <Person>(p => p.Age > 42));
var result = expr.ToSqlExpression();
Assert.That(result, Is.EqualTo(TokenGeneration_SetOperationTests_Results.simpleMinusExpression));
}
/// <summary>
/// Set operations are applied <see cref="SetOperations"/>
/// </summary>
/// <param name="Operation">Setoperation</param>
/// <param name="Clip">the other Loxy</param>
/// <returns>the result of the setoperation</returns>
public Loxy SetOperation(SetOperations Operation, Loxy Clip)
{
List <List <IntPoint> > Me = ToClipperPoly(this);
List <List <IntPoint> > Second = ToClipperPoly(Clip);
Clipper c = new Clipper();
c.AddPaths(Me, PolyType.ptSubject, true);
c.AddPaths(Second, PolyType.ptClip, true);
List <List <IntPoint> > Solution = new List <List <IntPoint> >();
c.Execute((ClipType)Operation, Solution, PolyFillType.pftNonZero, PolyFillType.pftNonZero);
return(FromClipperLoxy(Solution));
}
public void AdjacentSets()
{
var a = Polygon.Rectangle(5, 5);
var b = Polygon.Rectangle(5, 2.5).TransformedPolygon(new Transform((5, 5)));
var set = SetOperations.ClassifySegments2d(a, b);
Assert.Equal(4, set.Where(c => c.classification == SetClassification.AOutsideB).Count());
Assert.Equal(4, set.Where(c => c.classification == SetClassification.BOutsideA).Count());
Assert.Empty(set.Where(c => c.classification == SetClassification.AInsideB));
Assert.Empty(set.Where(c => c.classification == SetClassification.BInsideA));
}
public void OverlappingSetsFilterAndGraphCorrectly()
{
var a = Polygon.Rectangle(5, 5);
var b = Polygon.Rectangle(5, 5).TransformedPolygon(new Transform((2.5, 2.5)));
if (a.Intersects2d(b, out List <(Vector3 result, int, int)> results))
{
var locations = results.Select(r => r.result).ToList();
a.Split(locations);
b.Split(locations);
}
var set = SetOperations.ClassifySegments2d(a, b, ((Vector3, Vector3, SetClassification classification)e) =>
{
return(e.classification == SetClassification.AOutsideB || e.classification == SetClassification.BInsideA || e.classification == SetClassification.AInsideB);
});
public void SubSetsOfEmpty()
{
var set = new int[0];
var subSetsNeg = SetOperations <int> .SubSets(set, -1).ToArray();
Assert.AreEqual(0, subSetsNeg.Length);
var subSets0 = SetOperations <int> .SubSets(set, 0).ToArray();
Assert.AreEqual(1, subSets0.Length);
var subSets1 = SetOperations <int> .SubSets(set, 1).ToArray();
Assert.AreEqual(0, subSets1.Length);
}
public void ItShouldBePossibleToDoARecursiveCommonTableExpression()
{
var expr =
With.Table <RecursivePerson>(
SetOperations.UnionAll(
Select.Column <Person>(p => new { Level = 0, p.Name, p.ParentId, })
.From <Person>()
.Where <Person>(p => p.Name == "Kalle"),
Select.Column <RecursivePerson>(rp => new { Level = rp.Level + 1 })
.Column <Person>(p => new { p.Name, p.ParentId })
.From <Person>()
.InnerJoin <Person, RecursivePerson>((p, rp) => p.Id == rp.ParentId)))
.Query(Select.Star <RecursivePerson>().From <RecursivePerson>());
var result = expr.ToSqlExpression();
Assert.That(result, Is.EqualTo(TokenGeneration_CommonTableExpressions_Results.recursiveCommonTableExpression));
}
public void ItCanDoAUnionsWithCommonTableExpressions()
{
var identifier = Table <Person> .WithTableAlias("cte");
var expr =
With.Table(
identifier,
SetOperations.Union(
Select.Star <Person>().From <Person>().Where <Person>(p => p.Age > 42),
Select.Star <Person>().From <Person>().Where <Person>(p => p.Name == "Kalle")))
.Query(
SetOperations.Union(
Select.Star(identifier).From(identifier).Where <Person>(identifier, p => p.Age == 50),
Select.Star(identifier).From(identifier).Where <Person>(identifier, p => p.Name == "Kalle")));
var result = expr.ToSqlExpression();
var sql = SqlGen.SqlifyExpression(AnsiSql.Dialect, result);
var sql2 = SqlGen.SqlifyExpression(AnsiSql.Dialect, TokenGeneration_SetOperationTests_Results.unionsInACommonTableExpression);
Assert.That(result, Is.EqualTo(TokenGeneration_SetOperationTests_Results.unionsInACommonTableExpression));
}
public void OverlappingSets()
{
var a = Polygon.Rectangle(5, 5);
var b = Polygon.Rectangle(5, 5).TransformedPolygon(new Transform((2.5, 2.5)));
if (a.Intersects2d(b, out List <(Vector3 result, int, int)> results))
{
var locations = results.Select(r => r.result).ToList();
a.Split(locations);
b.Split(locations);
}
Assert.Equal(6, a.Vertices.Count);
Assert.Equal(6, b.Vertices.Count);
var set = SetOperations.ClassifySegments2d(a, b);
Assert.Equal(4, set.Where(c => c.classification == SetClassification.AOutsideB).Count());
Assert.Equal(4, set.Where(c => c.classification == SetClassification.BOutsideA).Count());
Assert.Equal(2, set.Where(c => c.classification == SetClassification.AInsideB).Count());
Assert.Equal(2, set.Where(c => c.classification == SetClassification.BInsideA).Count());
}
/// <summary>
/// Console program entry point
/// </summary>
/// <param name="args">The command-line arguments.</param>
public static void Main (string[] args)
{
Console.WriteLine ("Enter the string pattern to get powerset and permutations: ");
string input = Console.ReadLine ();
// Construct an object to work on
SetOperations ops = new SetOperations ();
// Get all the permutations
Console.WriteLine ();
Console.WriteLine ("Permutations: ");
IList<string> permutations = ops.Permute (input);
foreach (string s in permutations)
Console.WriteLine (s);
// Get the powerset
Console.WriteLine ();
Console.WriteLine ("Powerset: ");
IList<string> powerset = ops.PowerSet (input);
foreach (string s in powerset)
Console.WriteLine (s);
}
public void Cross2By3()
{
var set1 = new[] { 1, 2 };
var set2 = new[] { 7, 8, 9 };
var set1TimesSet2 = SetOperations <int> .CrossProduct(new[] { set1, set2 }).ToArray();
Assert.AreEqual(6, set1TimesSet2.Length);
var expected = new[]
{
new[] { 1, 7 },
new[] { 1, 8 },
new[] { 1, 9 },
new[] { 2, 7 },
new[] { 2, 8 },
new[] { 2, 9 }
};
for (int i = 0; i < 6; i++)
{
CollectionAssert.AreEqual(expected[i], set1TimesSet2[i]);
}
}
public void ItShouldBePossibleToMapUnions()
{
var factory = new HyperboliqConnectionFactory(SqlLite.Dialect, "Data source=:memory:");
using (var con = factory.OpenDbConnection())
{
const string createTable = "CREATE TABLE Person (Id INT, Name VARCHAR(50), Age INT, LivesAtHouseId INT, ParentId INT)";
var cmd1 = con.AsIDbConnection().CreateCommand();
cmd1.CommandText = createTable;
cmd1.ExecuteNonQuery();
var insertQuery = Insert.Into <Person>().AllColumns.Values(
new Person {
Id = 1, Name = "Kalle", Age = 42
},
new Person {
Id = 2, Name = "Pelle", Age = 42
},
new Person {
Id = 3, Name = "Putte", Age = 45
});
con.ExecuteNonQuery(insertQuery);
var selectQuery =
SetOperations.Union(
Select.Star <Person>().From <Person>().Where <Person>(p => p.Age > 42),
Select.Star <Person>().From <Person>().Where <Person>(p => p.Name == "Kalle")
);
var result = con.Query <Person>(selectQuery);
Assert.That(result, Has.Count.EqualTo(2));
Assert.True(result.Any(p => p.Id == 1 && p.Name == "Kalle" && p.Age == 42));
Assert.True(result.Any(p => p.Id == 3 && p.Name == "Putte" && p.Age == 45));
}
}
/// <summary>
/// Internal method common for all functions.
/// </summary>
private static PhpArray SetOperation(SetOperations op, PhpArray array, PhpArray[] arrays,
IComparer<KeyValuePair<IntStringKey, object>> comparer)
{
if (array == null)
{
PhpException.ArgumentNull("array");
return null;
}
if (arrays == null || arrays.Length == 0)
{
PhpException.InvalidArgumentCount(null, null);
return null;
}
Debug.Assert(comparer != null);
PhpArray result = new PhpArray();
array.SetOperation(op, arrays, comparer, result);
// the result is inplace deeply copied on return to PHP code:
result.InplaceCopyOnReturn = true;
return result;
}
public virtual QueryExpressionBodyBinary NewBinaryQuery(QueryExpressionBody left, QueryExpressionBody right, SetOperations setOperation, SetQuantifier quantifier = SetQuantifier.Distinct, CorrespondingSpec correspondingSpec = null)
{
return(new QueryExpressionBodyBinaryImpl(this.vendor, setOperation, correspondingSpec, left, right, quantifier));
}