/// <summary>
/// Requires: <see cref="MemberRestriction.IsComplete"/> is true.
/// </summary>
internal override DomainBoolExpr FixRange(Set<Constant> range, MemberDomainMap memberDomainMap)
{
Debug.Assert(IsComplete, "Ranges are fixed only for complete type restrictions.");
IEnumerable<Constant> possibleValues = memberDomainMap.GetDomain(RestrictedMemberSlot.MemberPath);
BoolLiteral newLiteral = new TypeRestriction(RestrictedMemberSlot, new Domain(range, possibleValues));
return newLiteral.GetDomainBoolExpression(memberDomainMap);
}
/// <summary>
/// Requires: <see cref="MemberRestriction.IsComplete"/> is true.
/// </summary>
internal override DomainBoolExpr FixRange(Set <Constant> range, MemberDomainMap memberDomainMap)
{
Debug.Assert(IsComplete, "Ranges are fixed only for complete type restrictions.");
IEnumerable <Constant> possibleValues = memberDomainMap.GetDomain(RestrictedMemberSlot.MemberPath);
BoolLiteral newLiteral = new TypeRestriction(RestrictedMemberSlot, new Domain(range, possibleValues));
return(newLiteral.GetDomainBoolExpression(memberDomainMap));
}
/// <summary>
/// Takes in a JoinTreeNode and a Contition Property Map and creates an BoolExpression
/// for the Condition Map.
/// </summary>
/// <param name="joinTreeNode"></param>
/// <param name="conditionMap"></param>
/// <returns></returns>
private static BoolExpression GetConditionExpression(MemberPath member, StorageConditionPropertyMapping conditionMap)
{
//Get the member for which the condition is being specified
EdmMember conditionMember = (conditionMap.ColumnProperty != null) ? conditionMap.ColumnProperty : conditionMap.EdmProperty;
var conditionMemberNode = new MemberPath(member, conditionMember);
//Check if this is a IsNull condition
MemberRestriction conditionExpression = null;
if (conditionMap.IsNull.HasValue)
{
// for conditions on scalars, create NodeValue nodes, otherwise NodeType
var conditionConstant = conditionMap.IsNull.Value ? Constant.Null : Constant.NotNull;
if (MetadataHelper.IsNonRefSimpleMember(conditionMember))
{
conditionExpression = new ScalarRestriction(conditionMemberNode, conditionConstant);
}
else
{
conditionExpression = new TypeRestriction(conditionMemberNode, conditionConstant);
}
}
else
{
conditionExpression = new ScalarRestriction(conditionMemberNode, new ScalarConstant(conditionMap.Value));
}
Debug.Assert(conditionExpression != null);
return BoolExpression.CreateLiteral(conditionExpression, null);
}