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Add an injection_points isolation test suite.

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Make the isolation harness recognize injection_points wait events as a
type of blocked state.  Test an extant inplace-update bug.

Reviewed by Robert Haas and Michael Paquier.

Discussion: https://postgr.es/m/20240512232923.aa.nmisch@google.com
This commit is contained in:
Noah Misch
2024-06-27 19:21:05 -07:00
parent abfbd13af0
commit c35f419d6e
6 changed files with 154 additions and 2 deletions
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2
src/backend/access/heap/heapam.c
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@@ -63,6 +63,7 @@
#include "storage/procarray.h"
#include "storage/standby.h"
#include "utils/datum.h"
#include "utils/injection_point.h"
#include "utils/inval.h"
#include "utils/relcache.h"
#include "utils/snapmgr.h"
@@ -6080,6 +6081,7 @@ heap_inplace_update(Relation relation, HeapTuple tuple)
(errcode(ERRCODE_INVALID_TRANSACTION_STATE),
errmsg("cannot update tuples during a parallel operation")));
INJECTION_POINT("inplace-before-pin");
buffer = ReadBuffer(relation, ItemPointerGetBlockNumber(&(tuple->t_self)));
LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE);
page = (Page) BufferGetPage(buffer);