DynamicQueryEngineCreateSingleTargetUpdateDQ Method (IEntityFieldCore, IFieldPersistenceInfo, IActionQuery, IPredicate, IRelationCollection)

Creates a new Update Query object which is ready to use. Only 'changed' EntityFieldCore are included in the update query. Primary Key fields are never updated.

Namespace: SD.LLBLGen.Pro.DQE.MySql
Assembly: SD.LLBLGen.Pro.DQE.MySql (in SD.LLBLGen.Pro.DQE.MySql.dll) Version: 5.5.0.0 (5.5.18.1019)

Syntax

Copy

protected override void CreateSingleTargetUpdateDQ(
	IEntityFieldCore[] fields,
	IFieldPersistenceInfo[] fieldsPersistenceInfo,
	IActionQuery query,
	IPredicate updateFilter,
	IRelationCollection relationsToWalk
)

Protected Overrides Sub CreateSingleTargetUpdateDQ ( 
	fields As IEntityFieldCore(),
	fieldsPersistenceInfo As IFieldPersistenceInfo(),
	query As IActionQuery,
	updateFilter As IPredicate,
	relationsToWalk As IRelationCollection
)

Parameters

fields: Type: SD.LLBLGen.Pro.ORMSupportClassesIEntityFieldCore
Array of EntityFieldCore objects to use to build the insert query
fieldsPersistenceInfo: Type: SD.LLBLGen.Pro.ORMSupportClassesIFieldPersistenceInfo
Array of IFieldPersistenceInfo objects to use to build the update query
query: Type: SD.LLBLGen.Pro.ORMSupportClassesIActionQuery
The query object to fill.
updateFilter: Type: SD.LLBLGen.Pro.ORMSupportClassesIPredicate
A complete IPredicate implementing object which contains the filter for the rows to update
relationsToWalk: Type: SD.LLBLGen.Pro.ORMSupportClassesIRelationCollection
list of EntityRelation objects, which will be used to formulate a FROM clause with INNER JOINs.

Exceptions

Exception	Condition
ArgumentNullException	When fields is null or when updateFilter is null or when relationsToWalk is null or when fieldsPersistence is null
ArgumentException	When fields contains no EntityFieldCore instances or fieldsPersistenceInfo is empty.

Reference

DynamicQueryEngine Class

CreateSingleTargetUpdateDQ Overload

SD.LLBLGen.Pro.DQE.MySql Namespace