debug-clog-r02.diff
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Filename: debug-clog-r02.diff
Type: text/plain
Part: 0
Patch
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API reference →
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| File | + | − |
|---|---|---|
| src/backend/access/transam/clog.c | 4 | 0 |
| src/backend/access/transam/varsup.c | 6 | 0 |
diff --git a/src/backend/access/transam/clog.c b/src/backend/access/transam/clog.c
index 52224b1..317bc2e 100644
--- a/src/backend/access/transam/clog.c
+++ b/src/backend/access/transam/clog.c
@@ -36,6 +36,7 @@
#include "access/slru.h"
#include "access/transam.h"
#include "postmaster/bgwriter.h"
+#include "utils/guc.h"
/*
* Defines for CLOG page sizes. A page is the same BLCKSZ as is used
@@ -355,6 +356,9 @@ ExtendCLOG(TransactionId newestXact)
/* Zero the page and make an XLOG entry about it */
ZeroCLOGPage(pageno, true);
+ /* steal this variable for test -- means we've been here */
+ Debug_print_rewritten = true;
+
LWLockRelease(CLogControlLock);
}
diff --git a/src/backend/access/transam/varsup.c b/src/backend/access/transam/varsup.c
index 8838d42..e55a67b 100644
--- a/src/backend/access/transam/varsup.c
+++ b/src/backend/access/transam/varsup.c
@@ -21,6 +21,7 @@
#include "storage/pmsignal.h"
#include "storage/proc.h"
#include "utils/builtins.h"
+#include "utils/guc.h"
/* Number of OIDs to prefetch (preallocate) per XLOG write */
@@ -107,6 +108,11 @@ GetNewTransactionId(bool isSubXact)
* Extend pg_subtrans too.
*/
ExtendCLOG(xid);
+ if (Debug_print_rewritten && Debug_pretty_print)
+ {
+ Debug_print_rewritten = false;
+ elog(ERROR,"injected ERROR");
+ }
ExtendSUBTRANS(xid);
/*