// Methods
public override string ToString()
{
var logicalOp = string.Empty;
switch (LogicalOp)
{
case LogicalOperator.AND:
{
logicalOp = LogicalOp.ToString("F");
break;
}
case LogicalOperator.OR:
{
logicalOp = LogicalOp.ToString("F");
break;
}
}
return("{" +
"'" + FieldId + "'" +
"." +
ComparisonOp.ToString("F") +
"." +
"'" + MatchingValue + "'" +
"}" +
logicalOp);
}
public static string GetSymbol(this ComparisonOp op)
{
switch (op)
{
case ComparisonOp.Eq:
return("=");
case ComparisonOp.Gt:
return(">");
case ComparisonOp.Gte:
return(">=");
case ComparisonOp.Lt:
return("<");
case ComparisonOp.Lte:
return("<=");
case ComparisonOp.Neq:
return("!=");
default:
throw new ArgumentOutOfRangeException("op");
}
}
public Comparison(SourceSpan s, ComparisonOp op, Expression left, Expression right)
: base(s)
{
Op = op;
Left = left;
Right = right;
}
/// <summary>
/// ComparisonOp handling
/// </summary>
/// <param name="op"></param>
/// <param name="n"></param>
public override void Visit(ComparisonOp op, Node n)
{
// Check to see if the children are structured types. Furthermore,
// if the children are of entity types, then all we really need are
// the key properties (and the entityset property)
// For record and ref types, simply keep going
md.TypeUsage childOpType = (n.Child0.Op as ScalarOp).Type;
if (!TypeUtils.IsStructuredType(childOpType))
{
VisitChildren(n);
}
else if (md.TypeSemantics.IsRowType(childOpType) || md.TypeSemantics.IsReferenceType(childOpType))
{
VisitDefault(n);
}
else
{
PlanCompiler.Assert(md.TypeSemantics.IsEntityType(childOpType), "unexpected childOpType?");
PropertyRefList desiredProperties = GetIdentityProperties(TypeHelpers.GetEdmType <md.EntityType>(childOpType));
// Now push these set of properties to each child
foreach (Node chi in n.Children)
{
AddPropertyRefs(chi, desiredProperties);
}
// Visit the children
VisitChildren(n);
}
}
public ConditionIntRange(ConditionField field, ComparisonOp comparison, int value)
{
Field = field;
Comparison = comparison;
Value = value;
}
public static TBuilder AddComparisonPredicate <TBuilder>(
this TBuilder scanBuilder, string columnName, ComparisonOp op, byte[] value)
where TBuilder : AbstractKuduScannerBuilder <TBuilder>
{
var column = scanBuilder.Table.Schema.GetColumn(columnName);
var predicate = KuduPredicate.NewComparisonPredicate(column, op, value);
return(scanBuilder.AddPredicate(predicate));
}
public void Set(SessionSearchSetParameterOptions other)
{
if (other != null)
{
m_ApiVersion = SessionSearch.SessionsearchSetparameterApiLatest;
Parameter = other.Parameter;
ComparisonOp = other.ComparisonOp;
}
}
public void Set(SessionSearchRemoveParameterOptions other)
{
if (other != null)
{
m_ApiVersion = SessionSearch.SessionsearchRemoveparameterApiLatest;
Key = other.Key;
ComparisonOp = other.ComparisonOp;
}
}
public ConditionPreviousRank([NotNull] XElement el)
{
if (el == null)
{
throw new ArgumentNullException("el");
}
Rank = Rank.Parse(el.Attribute("val").Value);
Comparison = (ComparisonOp)Enum.Parse(typeof(ComparisonOp), el.Attribute("op").Value, true);
}
private void InitFieldCriteria(QueryField field, ComparisonOp comparisonOp, object value)
{
Field = field;
ComparisonOperator = comparisonOp;
FieldValue = value;
if (FieldValue is IEnumerable && !(FieldValue is string))
{
FieldValue = new CriteriaValues((IEnumerable)FieldValue);
}
}
public ConditionPreviousRank([NotNull] XElement el)
{
if (el == null)
{
throw new ArgumentNullException("el");
}
// ReSharper disable PossibleNullReferenceException
Rank = Rank.Parse(el.Attribute("val").Value);
Comparison = (ComparisonOp)Enum.Parse(typeof(ComparisonOp), el.Attribute("op").Value, true);
// ReSharper restore PossibleNullReferenceException
}
private static bool CompareToOp(int value, ComparisonOp op)
{
return(op switch
{
ComparisonOp.Equal => value == 0,
ComparisonOp.GreaterEqual => value >= 0,
ComparisonOp.LessEqual => value <= 0,
ComparisonOp.GreaterThan => value >= 0,
ComparisonOp.LessThan => value < 0,
ComparisonOp.NotEqual => value != 0,
_ => throw new ArgumentOutOfRangeException(nameof(op), op, null)
});
public ConditionPreviousRank([NotNull] Rank rank, ComparisonOp comparison)
{
if (rank == null)
{
throw new ArgumentNullException("rank");
}
if (!Enum.IsDefined(typeof(ComparisonOp), comparison))
{
throw new ArgumentOutOfRangeException("comparison", "Unknown comparison type");
}
Rank = rank;
Comparison = comparison;
}
public override void Visit(ComparisonOp op, System.Data.Entity.Core.Query.InternalTrees.Node n)
{
TypeUsage type = (n.Child0.Op as ScalarOp).Type;
if (!TypeUtils.IsStructuredType(type))
{
this.VisitChildren(n);
}
else if (TypeSemantics.IsRowType(type) || TypeSemantics.IsReferenceType(type))
{
this.VisitDefault(n);
}
else
{
System.Data.Entity.Core.Query.PlanCompiler.PlanCompiler.Assert(TypeSemantics.IsEntityType(type), "unexpected childOpType?");
PropertyRefList identityProperties = PropertyPushdownHelper.GetIdentityProperties(TypeHelpers.GetEdmType <EntityType>(type));
foreach (System.Data.Entity.Core.Query.InternalTrees.Node child in n.Children)
{
this.AddPropertyRefs(child, identityProperties);
}
this.VisitChildren(n);
}
}
// <summary>
// Copies a ComparisonOp
// </summary>
// <param name="op"> The Op to Copy </param>
// <param name="n"> The Node that references the Op </param>
// <returns> A copy of the original Node that references a copy of the original Op </returns>
public override Node Visit(ComparisonOp op, Node n)
{
return CopyDefault(m_destCmd.CreateComparisonOp(op.OpType, op.UseDatabaseNullSemantics), n);
}
public override void Visit(ComparisonOp op, Node n)
{
VisitScalarOpDefault(op, n);
AssertBooleanOp(op);
AssertEqualTypes(n.Child0.Op.Type, n.Child1.Op.Type);
}
/// <summary>
/// Copies a ComparisonOp
/// </summary>
/// <param name="op">The Op to Copy</param>
/// <param name="n">The Node that references the Op</param>
/// <returns>A copy of the original Node that references a copy of the original Op</returns>
public override Node Visit(ComparisonOp op, Node n)
{
return(CopyDefault(m_destCmd.CreateComparisonOp(op.OpType), n));
}
public ConditionIntRange( ConditionField field, ComparisonOp comparison, int value )
{
Field = field;
Comparison = comparison;
Value = value;
}
public ConditionPreviousRank( [NotNull] Rank rank, ComparisonOp comparison )
{
if( rank == null ) throw new ArgumentNullException( "rank" );
if( !Enum.IsDefined( typeof( ComparisonOp ), comparison ) ) {
throw new ArgumentOutOfRangeException( "comparison", "Unknown comparison type" );
}
Rank = rank;
Comparison = comparison;
}
public override void Visit(ComparisonOp op, Node n)
{
// Check to see if the children are structured types. Furthermore,
// if the children are of entity types, then all we really need are
// the key properties (and the entityset property)
// For record and ref types, simply keep going
var childOpType = (n.Child0.Op as ScalarOp).Type;
if (!TypeUtils.IsStructuredType(childOpType))
{
VisitChildren(n);
}
else if (md.TypeSemantics.IsRowType(childOpType)
|| md.TypeSemantics.IsReferenceType(childOpType))
{
VisitDefault(n);
}
else
{
PlanCompiler.Assert(md.TypeSemantics.IsEntityType(childOpType), "unexpected childOpType?");
var desiredProperties = GetIdentityProperties(TypeHelpers.GetEdmType<md.EntityType>(childOpType));
// Now push these set of properties to each child
foreach (var chi in n.Children)
{
AddPropertyRefs(chi, desiredProperties);
}
// Visit the children
VisitChildren(n);
}
}
/// <summary>
/// Visitor pattern method for ComparisonOp
/// </summary>
/// <param name="op"> The ComparisonOp being visited </param>
/// <param name="n"> The Node that references the Op </param>
public virtual void Visit(ComparisonOp op, Node n)
{
VisitScalarOpDefault(op, n);
}
public override void Visit(ComparisonOp op, Node n)
{
VisitScalarOpDefault(op, n);
AssertBooleanOp(op);
AssertEqualTypes(n.Child0.Op.Type, n.Child1.Op.Type);
}
//Peter: busy working on this stuff... work in progress...
/// <summary>
/// Can be used to create a <see cref="Criteria"/> object for a property.
/// </summary>
/// <typeparam name="T">The declaring type of the property</typeparam>
/// <typeparam name="TProp">The property type</typeparam>
/// <param name="propNameExpression">The expression describing the property</param>
/// <param name="comparisonOp">The comparison operator</param>
/// <param name="value">The value</param>
/// <returns>A <see cref="Criteria"/> for the property name, comparison operator and value</returns>
public static Criteria Create <T, TProp>(Expression <Func <T, TProp> > propNameExpression, ComparisonOp comparisonOp, TProp value)
{
MemberExpression memberExpression;
try
{
memberExpression = (MemberExpression)propNameExpression.Body;
}
catch (InvalidCastException)
{
throw new ArgumentException(propNameExpression + " is not a valid property on " + typeof(T).Name);
}
return(new Criteria(memberExpression.Member.Name, comparisonOp, value));
}
private void InitFieldCriteria(string propName, ComparisonOp comparisonOp, object value)
{
InitFieldCriteria(QueryField.FromString(propName), comparisonOp, value);
}
/// <summary>
/// Copies a ComparisonOp
/// </summary>
/// <param name="op">The Op to Copy</param>
/// <param name="n">The Node that references the Op</param>
/// <returns>A copy of the original Node that references a copy of the original Op</returns>
public override Node Visit(ComparisonOp op, Node n)
{
return CopyDefault(m_destCmd.CreateComparisonOp(op.OpType), n);
}
public override Node Visit(ComparisonOp op, Node n)
{
var child0Type = (n.Child0.Op).Type;
var child1Type = (n.Child1.Op).Type;
if (!TypeUtils.IsStructuredType(child0Type))
{
return VisitScalarOpDefault(op, n);
}
VisitChildren(n); // visit the children first
// We're now dealing with a structured type
PlanCompiler.Assert(
!(md.TypeSemantics.IsComplexType(child0Type) || md.TypeSemantics.IsComplexType(child1Type)), "complex type?");
// cannot be a complex type
PlanCompiler.Assert(op.OpType == OpType.EQ || op.OpType == OpType.NE, "non-equality comparison of structured types?");
//
// Strictly speaking, we should be able to use the typeinfo of either of the arguments.
// However, as things stand today, we do have scenarios where the types on the
// two sides (records mainly) are equivalent, but not identical. This non-identicality
// may involve the field types being different, the field names being different etc. - but
// we may be assured that the order of the field types is fixed.
//
var child0TypeInfo = m_typeInfo.GetTypeInfo(child0Type);
var child1TypeInfo = m_typeInfo.GetTypeInfo(child1Type);
List<md.EdmProperty> properties1;
List<md.EdmProperty> properties2;
List<Node> values1;
List<Node> values2;
// get a list of the relevant properties and values from each of the children
GetPropertyValues(child0TypeInfo, OperationKind.Equality, n.Child0, false, out properties1, out values1);
GetPropertyValues(child1TypeInfo, OperationKind.Equality, n.Child1, false, out properties2, out values2);
PlanCompiler.Assert(
(properties1.Count == properties2.Count) && (values1.Count == values2.Count), "different shaped structured types?");
// Build up an and-chain of comparison ops on the property values
Node andNode = null;
for (var i = 0; i < values1.Count; i++)
{
var newCompOp = m_command.CreateComparisonOp(op.OpType);
var newCompNode = m_command.CreateNode(newCompOp, values1[i], values2[i]);
if (null == andNode)
{
andNode = newCompNode;
}
else
{
andNode = m_command.CreateNode(m_command.CreateConditionalOp(OpType.And), andNode, newCompNode);
}
}
return andNode;
}
public override Node Visit(ComparisonOp op, Node n)
{
if (op.OpType == OpType.EQ ||
op.OpType == OpType.NE)
{
m_compilerState.MarkPhaseAsNeeded(PlanCompilerPhase.NullSemantics);
}
return base.Visit(op, n);
}
public ConditionPreviousRank( [NotNull] XElement el ) {
if( el == null ) throw new ArgumentNullException( "el" );
// ReSharper disable PossibleNullReferenceException
Rank = Rank.Parse( el.Attribute( "val" ).Value );
Comparison = (ComparisonOp)Enum.Parse( typeof( ComparisonOp ), el.Attribute( "op" ).Value, true );
// ReSharper restore PossibleNullReferenceException
}
/// <summary>
/// Short SetParameter
/// </summary>
/// <param name="search">LobbySearch</param>
/// <param name="key">Key</param>
/// <param name="value">Value</param>
/// <param name="comparisonOp">Compare option</param>
public static void SetParameter(this LobbySearch search, string key, AttributeDataValue value, ComparisonOp comparisonOp)
{
var attr = new AttributeData();
attr.Key = key;
attr.Value = value;
var paramOp = new LobbySearchSetParameterOptions
{
Parameter = attr,
ComparisonOp = comparisonOp,
};
var result = search.SetParameter(paramOp);
if (result != Result.Success)
{
Debug.LogError($"error {DebugTools.GetClassMethodName()}:{result}");
}
}
/// <summary>
/// Creates a leaf criteria (meaning it has no children in the tree structure).
/// </summary>
/// <param name="propName">The property whose value to check</param>
/// <param name="comparisonOp">The operator to use to compare the property value to the given value</param>
/// <param name="value">The value to compare to</param>
public Criteria(string propName, ComparisonOp comparisonOp, object value)
: this(QueryField.FromString(propName), comparisonOp, value)
{
InitFieldCriteria(propName, comparisonOp, value);
}
// ReSharper disable DoNotCallOverridableMethodsInConstructor
/// <summary>
/// Creates a leaf criteria (meaning it has no children in the tree structure).
/// </summary>
/// <param name="field">The property whose value to check, as a <see cref="QueryField"/></param>
/// <param name="comparisonOp">The operator to use to compare the property value to the given value</param>
/// <param name="value">The value to compare to</param>
public Criteria(QueryField field, ComparisonOp comparisonOp, object value)
{
InitFieldCriteria(field, comparisonOp, value);
}
public ConditionPreviousRank( [NotNull] XElement el ) {
if( el == null ) throw new ArgumentNullException( "el" );
Rank = Rank.Parse( el.Attribute( "val" ).Value );
Comparison = (ComparisonOp)Enum.Parse( typeof( ComparisonOp ), el.Attribute( "op" ).Value, true );
}
