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path: root/src/backend/access/hash/hash_xlog.c
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Diffstat (limited to 'src/backend/access/hash/hash_xlog.c')
-rw-r--r--src/backend/access/hash/hash_xlog.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/backend/access/hash/hash_xlog.c b/src/backend/access/hash/hash_xlog.c
index 8647e8c6adc..ac82092ab24 100644
--- a/src/backend/access/hash/hash_xlog.c
+++ b/src/backend/access/hash/hash_xlog.c
@@ -859,6 +859,19 @@ hash_xlog_delete(XLogReaderState *record)
PageIndexMultiDelete(page, unused, unend - unused);
}
+ /*
+ * Mark the page as not containing any LP_DEAD items only if
+ * clear_dead_marking flag is set to true. See comments in
+ * hashbucketcleanup() for details.
+ */
+ if (xldata->clear_dead_marking)
+ {
+ HashPageOpaque pageopaque;
+
+ pageopaque = (HashPageOpaque) PageGetSpecialPointer(page);
+ pageopaque->hasho_flag &= ~LH_PAGE_HAS_DEAD_TUPLES;
+ }
+
PageSetLSN(page, lsn);
MarkBufferDirty(deletebuf);
}
@@ -1078,6 +1091,7 @@ hash_xlog_vacuum_one_page(XLogReaderState *record)
Buffer metabuf;
Page page;
XLogRedoAction action;
+ HashPageOpaque pageopaque;
xldata = (xl_hash_vacuum_one_page *) XLogRecGetData(record);
@@ -1126,6 +1140,13 @@ hash_xlog_vacuum_one_page(XLogReaderState *record)
PageIndexMultiDelete(page, unused, unend - unused);
}
+ /*
+ * Mark the page as not containing any LP_DEAD items. See comments
+ * in _hash_vacuum_one_page() for details.
+ */
+ pageopaque = (HashPageOpaque) PageGetSpecialPointer(page);
+ pageopaque->hasho_flag &= ~LH_PAGE_HAS_DEAD_TUPLES;
+
PageSetLSN(page, lsn);
MarkBufferDirty(buffer);
}