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reduce stat rereads
author
Teodor Sigaev
<teodor@sigaev.ru>
Fri, 7 Apr 2017 14:20:25 +0000
(17:20 +0300)
committer
Teodor Sigaev
<teodor@sigaev.ru>
Fri, 7 Apr 2017 14:20:25 +0000
(17:20 +0300)
online_analyze.c
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diff --git
a/online_analyze.c
b/online_analyze.c
index
b2f8199
..
dba4226
100644
(file)
--- a/
online_analyze.c
+++ b/
online_analyze.c
@@
-442,6
+442,8
@@
makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
Assert(rstat->tableid == relOid);
Assert(rstat->tableid == relOid);
+ elog(NOTICE,"makeAnalyze op:%d %u", operation, naffected);
+
if (operation != CK_TRUNCATE &&
(found == false || rstat->rereadStat == true))
{
if (operation != CK_TRUNCATE &&
(found == false || rstat->rereadStat == true))
{
@@
-466,9
+468,6
@@
makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
}
}
}
}
- if (naffected == 0)
- rstat->rereadStat = true;
-
if (newTable ||
/* force analyze from after truncate */
operation == CK_TRUNCATE || (
if (newTable ||
/* force analyze from after truncate */
operation == CK_TRUNCATE || (
@@
-555,6
+554,7
@@
makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
{
case CK_INSERT:
rstat->n_tuples += naffected;
{
case CK_INSERT:
rstat->n_tuples += naffected;
+ rstat->rereadStat = false;
break;
case CK_UPDATE:
rstat->n_tuples += naffected;
break;
case CK_UPDATE:
rstat->n_tuples += naffected;
@@
-565,6
+565,7
@@
makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
break;
case CK_TRUNCATE:
rstat->n_tuples = 0;
break;
case CK_TRUNCATE:
rstat->n_tuples = 0;
+ rstat->rereadStat = false;
break;
default:
break;
break;
default:
break;