diff options
Diffstat (limited to 'src/backend/access/heap/pruneheap.c')
-rw-r--r-- | src/backend/access/heap/pruneheap.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/backend/access/heap/pruneheap.c b/src/backend/access/heap/pruneheap.c index 3ad4222cb8a..bc510e2e9b3 100644 --- a/src/backend/access/heap/pruneheap.c +++ b/src/backend/access/heap/pruneheap.c @@ -188,7 +188,7 @@ heap_page_prune_opt(Relation relation, Buffer buffer) /* OK to prune */ (void) heap_page_prune(relation, buffer, vistest, limited_xmin, limited_ts, - true, &ignore); + true, &ignore, NULL); } /* And release buffer lock */ @@ -213,6 +213,9 @@ heap_page_prune_opt(Relation relation, Buffer buffer) * send its own new total to pgstats, and we don't want this delta applied * on top of that.) * + * off_loc is the offset location required by the caller to use in error + * callback. + * * Returns the number of tuples deleted from the page and sets * latestRemovedXid. */ @@ -221,7 +224,8 @@ heap_page_prune(Relation relation, Buffer buffer, GlobalVisState *vistest, TransactionId old_snap_xmin, TimestampTz old_snap_ts, - bool report_stats, TransactionId *latestRemovedXid) + bool report_stats, TransactionId *latestRemovedXid, + OffsetNumber *off_loc) { int ndeleted = 0; Page page = BufferGetPage(buffer); @@ -262,6 +266,13 @@ heap_page_prune(Relation relation, Buffer buffer, if (prstate.marked[offnum]) continue; + /* + * Set the offset number so that we can display it along with any + * error that occurred while processing this tuple. + */ + if (off_loc) + *off_loc = offnum; + /* Nothing to do if slot is empty or already dead */ itemid = PageGetItemId(page, offnum); if (!ItemIdIsUsed(itemid) || ItemIdIsDead(itemid)) @@ -271,6 +282,10 @@ heap_page_prune(Relation relation, Buffer buffer, ndeleted += heap_prune_chain(buffer, offnum, &prstate); } + /* Clear the offset information once we have processed the given page. */ + if (off_loc) + *off_loc = InvalidOffsetNumber; + /* Any error while applying the changes is critical */ START_CRIT_SECTION(); |