internal UpdateCommand BuildDeleteCommand(
PropagatorResult oldRow,
TableChangeProcessor processor)
{
bool rowMustBeTouched = true;
DbExpressionBinding target = UpdateCompiler.GetTarget(processor);
DbExpression predicate = this.BuildPredicate(target, oldRow, (PropagatorResult)null, processor, ref rowMustBeTouched);
DbDeleteCommandTree deleteCommandTree = new DbDeleteCommandTree(this.m_translator.MetadataWorkspace, DataSpace.SSpace, target, predicate);
return((UpdateCommand) new DynamicUpdateCommand(processor, this.m_translator, ModificationOperator.Delete, oldRow, (PropagatorResult)null, (DbModificationCommandTree)deleteCommandTree, (Dictionary <int, string>)null));
}
internal UpdateCommand BuildInsertCommand(
PropagatorResult newRow,
TableChangeProcessor processor)
{
DbExpressionBinding target = UpdateCompiler.GetTarget(processor);
bool rowMustBeTouched = true;
List <DbModificationClause> modificationClauseList = new List <DbModificationClause>();
Dictionary <int, string> outputIdentifiers;
DbExpression returning;
foreach (DbModificationClause buildSetClause in this.BuildSetClauses(target, newRow, (PropagatorResult)null, processor, true, out outputIdentifiers, out returning, ref rowMustBeTouched))
{
modificationClauseList.Add(buildSetClause);
}
DbInsertCommandTree insertCommandTree = new DbInsertCommandTree(this.m_translator.MetadataWorkspace, DataSpace.SSpace, target, new ReadOnlyCollection <DbModificationClause>((IList <DbModificationClause>)modificationClauseList), returning);
return((UpdateCommand) new DynamicUpdateCommand(processor, this.m_translator, ModificationOperator.Insert, (PropagatorResult)null, newRow, (DbModificationCommandTree)insertCommandTree, outputIdentifiers));
}
internal UpdateCommand BuildUpdateCommand(
PropagatorResult oldRow,
PropagatorResult newRow,
TableChangeProcessor processor)
{
bool rowMustBeTouched = false;
DbExpressionBinding target = UpdateCompiler.GetTarget(processor);
List <DbModificationClause> modificationClauseList = new List <DbModificationClause>();
Dictionary <int, string> outputIdentifiers;
DbExpression returning;
foreach (DbModificationClause buildSetClause in this.BuildSetClauses(target, newRow, oldRow, processor, false, out outputIdentifiers, out returning, ref rowMustBeTouched))
{
modificationClauseList.Add(buildSetClause);
}
DbExpression predicate = this.BuildPredicate(target, oldRow, newRow, processor, ref rowMustBeTouched);
if (modificationClauseList.Count == 0)
{
if (rowMustBeTouched)
{
List <IEntityStateEntry> source = new List <IEntityStateEntry>();
source.AddRange((IEnumerable <IEntityStateEntry>)SourceInterpreter.GetAllStateEntries(oldRow, this.m_translator, processor.Table));
source.AddRange((IEnumerable <IEntityStateEntry>)SourceInterpreter.GetAllStateEntries(newRow, this.m_translator, processor.Table));
if (source.All <IEntityStateEntry>((Func <IEntityStateEntry, bool>)(it => it.State == EntityState.Unchanged)))
{
rowMustBeTouched = false;
}
}
if (!rowMustBeTouched)
{
return((UpdateCommand)null);
}
}
DbUpdateCommandTree updateCommandTree = new DbUpdateCommandTree(this.m_translator.MetadataWorkspace, DataSpace.SSpace, target, predicate, new ReadOnlyCollection <DbModificationClause>((IList <DbModificationClause>)modificationClauseList), returning);
return((UpdateCommand) new DynamicUpdateCommand(processor, this.m_translator, ModificationOperator.Update, oldRow, newRow, (DbModificationCommandTree)updateCommandTree, outputIdentifiers));
}