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Commita5dc378

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Remove unused variable in statext_mcv_serialize()
The itemlen variable used to be referenced in multiple places, but sincereworking the serialization code it's used only in one assert. Fixed byremoving the variable and calling the macro from the assert directly.Backpatch to 12, where this code was introduced.Reported-by: Jeff JanesDiscussion:https://postgr.es/m/CAMkU=1zc_ovH9NZd_9ovuiEWkF9yX06URUDdXCmgDydf-bqB5A@mail.gmail.com
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  • src/backend/statistics

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‎src/backend/statistics/mcv.c‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -911,10 +911,9 @@ statext_mcv_serialize(MCVList *mcvlist, VacAttrStats **stats)
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for (i=0;i<mcvlist->nitems;i++)
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{
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MCVItem*mcvitem=&mcvlist->items[i];
914-
intitemlen=ITEM_SIZE(dim);
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/* don't write beyond the allocated space */
917-
Assert(ptr <= (endptr-itemlen));
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Assert(ptr <= (endptr-ITEM_SIZE(dim)));
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/* copy NULL and frequency flags into the serialized MCV */
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memcpy(ptr,mcvitem->isnull,sizeof(bool)*ndims);

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