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Commitd37328b

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author
Maxim Orlov
committed
Refactoring processChanges
1 parent76019de commitd37328b

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1 file changed

+42
-41
lines changed

1 file changed

+42
-41
lines changed

‎pg_variables.c

Lines changed: 42 additions & 41 deletions
Original file line numberDiff line numberDiff line change
@@ -2532,6 +2532,46 @@ typedef enum Action
25322532
ROLLBACK_TO_SAVEPOINT
25332533
}Action;
25342534

2535+
/*
2536+
* Apply savepoint actions on list of variables or packages.
2537+
*/
2538+
staticvoid
2539+
applyAction(Actionaction,TransObjectTypetype,dlist_head*list)
2540+
{
2541+
dlist_iteriter;
2542+
2543+
dlist_foreach(iter,list)
2544+
{
2545+
ChangedObject*co=dlist_container(ChangedObject,node,iter.cur);
2546+
TransObject*object=co->object;
2547+
2548+
switch (action)
2549+
{
2550+
caseROLLBACK_TO_SAVEPOINT:
2551+
rollbackSavepoint(object,type);
2552+
break;
2553+
caseRELEASE_SAVEPOINT:
2554+
2555+
/*
2556+
* If package was removed in current transaction level mark
2557+
* var as removed. We do not check pack_state->level, because
2558+
* var cannot get in list of changes until pack is removed.
2559+
*/
2560+
if (type==TRANS_VARIABLE)
2561+
{
2562+
Variable*variable= (Variable*)object;
2563+
Package*package=variable->package;
2564+
2565+
if (!GetActualState(package)->is_valid)
2566+
GetActualState(variable)->is_valid= false;
2567+
}
2568+
2569+
releaseSavepoint(object,type);
2570+
break;
2571+
}
2572+
}
2573+
}
2574+
25352575
/*
25362576
* Iterate variables and packages from list of changes and
25372577
* apply corresponding action on them
@@ -2540,53 +2580,14 @@ static void
25402580
processChanges(Actionaction)
25412581
{
25422582
ChangesStackNode*bottom_list;
2543-
inti;
25442583

25452584
Assert(changesStack&&changesStackContext);
25462585
/* List removed from stack but we still can use it */
25472586
bottom_list=dlist_container(ChangesStackNode,node,
25482587
dlist_pop_head_node(changesStack));
25492588

2550-
/*
2551-
* i: 1 - manage variables 0 - manage packages
2552-
*/
2553-
for (i=1;i>-1;i--)
2554-
{
2555-
dlist_iteriter;
2556-
2557-
dlist_foreach(iter,i ?bottom_list->changedVarsList :
2558-
bottom_list->changedPacksList)
2559-
{
2560-
ChangedObject*co=dlist_container(ChangedObject,node,iter.cur);
2561-
TransObject*object=co->object;
2562-
2563-
switch (action)
2564-
{
2565-
caseROLLBACK_TO_SAVEPOINT:
2566-
rollbackSavepoint(object,i ?TRANS_VARIABLE :TRANS_PACKAGE);
2567-
break;
2568-
caseRELEASE_SAVEPOINT:
2569-
2570-
/*
2571-
* If package was removed in current transaction level
2572-
* mark var as removed. We do not check pack_state->level,
2573-
* because var cannot get in list of changes until pack is
2574-
* removed.
2575-
*/
2576-
if (i)
2577-
{
2578-
Variable*variable= (Variable*)object;
2579-
Package*package=variable->package;
2580-
2581-
if (!GetActualState(package)->is_valid)
2582-
GetActualState(variable)->is_valid= false;
2583-
}
2584-
2585-
releaseSavepoint(object,i ?TRANS_VARIABLE :TRANS_PACKAGE);
2586-
break;
2587-
}
2588-
}
2589-
}
2589+
applyAction(action,TRANS_VARIABLE,bottom_list->changedVarsList);
2590+
applyAction(action,TRANS_PACKAGE,bottom_list->changedPacksList);
25902591

25912592
/* Remove changes list of current level */
25922593
MemoryContextDelete(bottom_list->ctx);

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