public override void VisitAfter(MergeStmt mergeStmt)
{
if (IsPlaceHolderPredicate(mergeStmt.Constraint))
{
mergeStmt.Constraint = Place((PlaceHolderPredicate)mergeStmt.Constraint);
}
}
public override void VisitOnMerge(MergeStmt mergeStmt)
{
if (this.FindTableAliasName(mergeStmt.Table, _oldTableAliasName) ||
this.FindTableAliasName(mergeStmt.UsingTable, _oldTableAliasName))
{
// 変更後のテーブル別名が既にあるテーブル別名と重複する場合は、末尾に"_"を付加する
while (this.FindTableAliasName(mergeStmt.Table, _newTableAliasName) ||
this.FindTableAliasName(mergeStmt.UsingTable, _oldTableAliasName))
{
_newTableAliasName += "_";
}
_scopeStack.Push(new Scope(FromOrResult.FromQuery, true));
}
else
{
_scopeStack.Push(new Scope(FromOrResult.FromQuery, false));
}
}
virtual public void VisitOnOn(MergeStmt mergeStmt, int offset)
{
}
virtual public void VisitOnMerge(MergeStmt mergeStmt)
{
}
virtual public void VisitAfter(MergeStmt mergeStmt)
{
}
virtual public void VisitBefore(MergeStmt mergeStmt)
{
}
public override void VisitBefore(MergeStmt mergeStmt)
{
_updateTableStmt = true;
}
public void VisitOnOn(MergeStmt mergeStmt, int offset)
{
_visitor.VisitOnOn(mergeStmt, offset);
}
public void VisitOnMerge(MergeStmt mergeStmt)
{
_visitor.VisitOnMerge(mergeStmt);
}
public void VisitAfter(MergeStmt mergeStmt)
{
_visitor.VisitAfter(mergeStmt);
}
public void VisitBefore(MergeStmt mergeStmt)
{
_visitor.VisitBefore(mergeStmt);
}