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Commitc7898fc

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[PGPRO-7614] Fix error caused by changing ATX level of package state at sub-transaction commit
Tags: pg_variables, atx
1 parent2b5fd99 commitc7898fc

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4 files changed

+65
-5
lines changed

4 files changed

+65
-5
lines changed

‎expected/pg_variables_atx_pkg.out‎

Lines changed: 24 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -406,6 +406,30 @@ BEGIN;
406406

407407
COMMIT;
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ROLLBACK;
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--
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--
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-- Test for case: pgv_set() created a regular variable and package with
412+
-- (atxlevel=1, level=1). ROLLBACK changes this level to (atxlevel=0, level=0).
413+
-- But ROLLBACK shouldn't change atxlevel in case rollback of sub-transaction.
414+
--
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BEGIN;
416+
BEGIN AUTONOMOUS;
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SAVEPOINT sp1;
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SELECT pgv_set('vars1', 'int1', 0);
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pgv_set
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---------
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(1 row)
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ROLLBACK TO sp1;
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COMMIT;
426+
ROLLBACK;
427+
SELECT pgv_remove('vars1', 'int1');
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pgv_remove
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------------
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(1 row)
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409433
SELECT pgv_free();
410434
pgv_free
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----------

‎expected/pg_variables_atx_pkg_1.out‎

Lines changed: 22 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -446,6 +446,28 @@ LINE 1: BEGIN AUTONOMOUS;
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WARNING: there is no transaction in progress
447447
ROLLBACK;
448448
WARNING: there is no transaction in progress
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--
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--
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-- Test for case: pgv_set() created a regular variable and package with
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-- (atxlevel=1, level=1). ROLLBACK changes this level to (atxlevel=0, level=0).
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-- But ROLLBACK shouldn't change atxlevel in case rollback of sub-transaction.
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--
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BEGIN;
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BEGIN AUTONOMOUS;
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ERROR: syntax error at or near "AUTONOMOUS"
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LINE 1: BEGIN AUTONOMOUS;
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^
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SAVEPOINT sp1;
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ERROR: current transaction is aborted, commands ignored until end of transaction block
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SELECT pgv_set('vars1', 'int1', 0);
463+
ERROR: current transaction is aborted, commands ignored until end of transaction block
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ROLLBACK TO sp1;
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ERROR: savepoint "sp1" does not exist
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COMMIT;
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ROLLBACK;
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WARNING: there is no transaction in progress
469+
SELECT pgv_remove('vars1', 'int1');
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ERROR: unrecognized package "vars1"
449471
SELECT pgv_free();
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pgv_free
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----------

‎pg_variables.c‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -65,7 +65,7 @@ static void resetVariablesCache(void);
6565
/* Functions to work with transactional objects */
6666
staticvoidcreateSavepoint(TransObject*object,TransObjectTypetype);
6767
staticvoidreleaseSavepoint(TransObject*object,TransObjectTypetype,boolsub);
68-
staticvoidrollbackSavepoint(TransObject*object,TransObjectTypetype);
68+
staticvoidrollbackSavepoint(TransObject*object,TransObjectTypetype,boolsub);
6969

7070
staticvoidcopyValue(VarState*src,VarState*dest,Variable*destVar);
7171
staticvoidfreeValue(VarState*varstate,boolis_record);
@@ -2329,7 +2329,7 @@ numOfRegVars(Package *package)
23292329
* Rollback object to its previous state
23302330
*/
23312331
staticvoid
2332-
rollbackSavepoint(TransObject*object,TransObjectTypetype)
2332+
rollbackSavepoint(TransObject*object,TransObjectTypetype,boolsub)
23332333
{
23342334
TransState*state;
23352335

@@ -2359,9 +2359,9 @@ rollbackSavepoint(TransObject *object, TransObjectType type)
23592359
* as 'object has been changed in upper level' because in this
23602360
* case we will remove state in releaseSavepoint() but this
23612361
* state may be used pgvRestoreContext(). So atxlevel should
2362-
* be 0.
2362+
* be 0 in case rollback of autonomous transaction.
23632363
*/
2364-
GetActualState(object)->levels.atxlevel=0;
2364+
GetActualState(object)->levels.atxlevel=sub ?getNestLevelATX() :0;
23652365
#endif
23662366
GetActualState(object)->levels.level=GetCurrentTransactionNestLevel()-1;
23672367
if (!dlist_is_empty(changesStack))
@@ -2677,7 +2677,7 @@ applyAction(Action action, TransObjectType type, dlist_head *list, bool sub)
26772677
switch (action)
26782678
{
26792679
caseROLLBACK_TO_SAVEPOINT:
2680-
rollbackSavepoint(object,type);
2680+
rollbackSavepoint(object,type,sub);
26812681
break;
26822682
caseRELEASE_SAVEPOINT:
26832683

‎sql/pg_variables_atx_pkg.sql‎

Lines changed: 14 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -199,5 +199,19 @@ BEGIN;
199199
SELECT pgv_set('vars','int1',2, true);
200200
COMMIT;
201201
ROLLBACK;
202+
--
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--
204+
-- Test for case: pgv_set() created a regular variable and package with
205+
-- (atxlevel=1, level=1). ROLLBACK changes this level to (atxlevel=0, level=0).
206+
-- But ROLLBACK shouldn't change atxlevel in case rollback of sub-transaction.
207+
--
208+
BEGIN;
209+
BEGIN AUTONOMOUS;
210+
SAVEPOINT sp1;
211+
SELECT pgv_set('vars1','int1',0);
212+
ROLLBACK TO sp1;
213+
COMMIT;
214+
ROLLBACK;
215+
SELECT pgv_remove('vars1','int1');
202216

203217
SELECT pgv_free();

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