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Commit7d27493

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Add indisreplident to fields refreshed by RelationReloadIndexInfo()
RelationReloadIndexInfo() is a fast-path used for index reloads in therelation cache, and it has always forgotten about updatingindisreplident, which is something that would happen after an index isselected for a replica identity. This can lead to incorrect cacheinformation provided when executing a command in a transaction contextthat updates indisreplident.None of the code paths currently on HEAD that need to check uponpg_index.indisreplident fetch its value from the relation cache, alwaysrelying on a fresh copy on the syscache. Unfortunately, this may not bethe case of out-of-core code, that could see out-of-date value.Author: Shruthi GowdaReviewed-by: Robert Haas, Dilip Kumar, Michael PaquierDiscussion:https://postgr.es/m/CAASxf_PBcxax0wW-3gErUyftZ0XrCs3Lrpuhq4-Z3Fak1DoW7Q@mail.gmail.comBackpatch-through: 11
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‎src/backend/utils/cache/relcache.c‎

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@@ -2288,6 +2288,7 @@ RelationReloadIndexInfo(Relation relation)
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relation->rd_index->indcheckxmin=index->indcheckxmin;
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relation->rd_index->indisready=index->indisready;
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relation->rd_index->indislive=index->indislive;
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relation->rd_index->indisreplident=index->indisreplident;
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/* Copy xmin too, as that is needed to make sense of indcheckxmin */
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HeapTupleHeaderSetXmin(relation->rd_indextuple->t_data,

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