diff options
| author | Michael Paquier <michael@paquier.xyz> | 2025-10-08 13:57:04 +0900 |
|---|---|---|
| committer | Michael Paquier <michael@paquier.xyz> | 2025-10-08 14:02:26 +0900 |
| commit | 138da727a174219da2d408382e50f8628f1fa38f (patch) | |
| tree | 17d814677775d6c2c4cd66629b7912ba854ef9ad | |
| parent | b71bae41a0cdda879db39d9946d2cc4af910bed1 (diff) | |
Improve description of some WAL records for GIN
The following information is added in the description of some GIN
records:
- In INSERT_LISTPAGE, the number of tuples and the right link block.
- In UPDATE_META_PAGE, the number of tuples, the previous tail block,
and the right link block.
- In SPLIT, the left and right children blocks.
Author: Kirill Reshke <reshkekirill@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Andrey Borodin <x4mmm@yandex-team.ru>
Discussion: https://postgr.es/m/CALdSSPgnAt5L=D_xGXRXLYO5FK1H31_eYEESxdU1n-r4g+6GqA@mail.gmail.com
| -rw-r--r-- | src/backend/access/rmgrdesc/gindesc.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/backend/access/rmgrdesc/gindesc.c b/src/backend/access/rmgrdesc/gindesc.c index 229675775ff..075c4a0ae93 100644 --- a/src/backend/access/rmgrdesc/gindesc.c +++ b/src/backend/access/rmgrdesc/gindesc.c @@ -130,6 +130,9 @@ gin_desc(StringInfo buf, XLogReaderState *record) appendStringInfo(buf, " isdata: %c isleaf: %c", (xlrec->flags & GIN_INSERT_ISDATA) ? 'T' : 'F', (xlrec->flags & GIN_INSERT_ISLEAF) ? 'T' : 'F'); + if (xlrec->leftChildBlkno != InvalidBlockNumber) + appendStringInfo(buf, " children: %u/%u", + xlrec->leftChildBlkno, xlrec->rightChildBlkno); } break; case XLOG_GIN_VACUUM_PAGE: @@ -150,10 +153,27 @@ gin_desc(StringInfo buf, XLogReaderState *record) /* no further information */ break; case XLOG_GIN_UPDATE_META_PAGE: - /* no further information */ + { + ginxlogUpdateMeta *xlrec = (ginxlogUpdateMeta *) rec; + + appendStringInfo(buf, "ntuples: %d", xlrec->ntuples); + if (xlrec->prevTail != InvalidBlockNumber) + appendStringInfo(buf, " prevTail: %u", + xlrec->prevTail); + if (xlrec->newRightlink != InvalidBlockNumber) + appendStringInfo(buf, " newRightLink: %u", + xlrec->newRightlink); + } break; case XLOG_GIN_INSERT_LISTPAGE: - /* no further information */ + { + ginxlogInsertListPage *xlrec = (ginxlogInsertListPage *) rec; + + appendStringInfo(buf, "ntuples: %d", xlrec->ntuples); + if (xlrec->rightlink != InvalidBlockNumber) + appendStringInfo(buf, " rightlink: %u", + xlrec->rightlink); + } break; case XLOG_GIN_DELETE_LISTPAGE: appendStringInfo(buf, "ndeleted: %d", |