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Commit26e65eb

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Clarify nbtree posting list update desc issue.
Per complaint from Melanie Plageman.Follow-up to commit5d6728e.Reported-By: Melanie Plageman <melanieplageman@gmail.com>Discussion:https://postgr.es/m/20230411002315.oyaicmcqrq2hb3ek@liskov
1 parent4380c25 commit26e65eb

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‎src/backend/access/rmgrdesc/nbtdesc.c

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@@ -223,6 +223,11 @@ delvacuum_desc(StringInfo buf, char *block_data,
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Assert(OffsetNumberIsValid(off));
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Assert(updates->ndeletedtids>0);
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/*
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* "ptid" is the symbol name used when building each xl_btree_update's
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* array of offsets into a posting list tuple's ItemPointerData array.
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* xl_btree_update describes a subset of the existing TIDs to delete.
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*/
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appendStringInfo(buf,"{ off: %u, nptids: %u, ptids: [",
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off,updates->ndeletedtids);
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for (intp=0;p<updates->ndeletedtids;p++)

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