DynamicQueryEngineBaseHandleDistinctEmit Method

protected bool HandleDistinctEmit(
	ISortExpression sortClauses,
	bool allowDuplicates,
	bool sortClausesSpecified,
	IRetrievalQuery selectQuery,
	StringPlaceHolder distinctPlaceholder,
	bool distinctViolatingTypesFound,
	bool uniqueRows,
	UniqueList<string> fieldNamesInSelectList
)

Protected Function HandleDistinctEmit ( 
	sortClauses As ISortExpression,
	allowDuplicates As Boolean,
	sortClausesSpecified As Boolean,
	selectQuery As IRetrievalQuery,
	distinctPlaceholder As StringPlaceHolder,
	distinctViolatingTypesFound As Boolean,
	uniqueRows As Boolean,
	fieldNamesInSelectList As UniqueList(Of String)
) As Boolean

Parameters

sortClauses

Type: SD.LLBLGen.Pro.ORMSupportClassesISortExpression
the sortclauses passed to the routine

allowDuplicates

Type: SystemBoolean
flag if duplicates are allowed

sortClausesSpecified

Type: SystemBoolean
flag if sortclauses is filled with at least one clause

selectQuery

Type: SD.LLBLGen.Pro.ORMSupportClassesIRetrievalQuery
the query object to build

distinctPlaceholder

Type: SD.LLBLGen.Pro.ORMSupportClassesStringPlaceHolder
The distinct placeholder.

distinctViolatingTypesFound

Type: SystemBoolean
flag if distinct violating types were found

uniqueRows

Type: SystemBoolean
if set to true, there are no duplicates possible due to joins. This is the case if there is a PK field and there are no relations or the relations don't result in duplicates.

fieldNamesInSelectList

Type: SD.LLBLGen.Pro.ORMSupportClassesUniqueListString
the fieldnames in the select list (for sort field distinct violation checks)

Return Value

Reference