Fill in extraUpdatedCols in logical replication
The extraUpdatedCols field of the target RTE records which generated columns are affected by an update. This is used in a variety of places, including per-column triggers and foreign data wrappers. When an update was initiated by a logical replication subscription, this field was not filled in, so such an update would not affect generated columns in a way that is consistent with normal updates. To fix, factor out some code from analyze.c to fill in extraUpdatedCols in the logical replication worker as well. Reviewed-by: Pavel Stehule <pavel.stehule@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/b05e781a-fa16-6b52-6738-761181204567@2ndquadrant.com
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@ -2346,10 +2346,18 @@ transformUpdateTargetList(ParseState *pstate, List *origTlist)
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if (orig_tl != NULL)
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elog(ERROR, "UPDATE target count mismatch --- internal error");
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/*
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* Record in extraUpdatedCols generated columns referencing updated base
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* columns.
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*/
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fill_extraUpdatedCols(target_rte, tupdesc);
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return tlist;
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}
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/*
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* Record in extraUpdatedCols generated columns referencing updated base
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* columns.
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*/
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void
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fill_extraUpdatedCols(RangeTblEntry *target_rte, TupleDesc tupdesc)
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{
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if (tupdesc->constr &&
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tupdesc->constr->has_generated_stored)
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{
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@ -2371,8 +2379,6 @@ transformUpdateTargetList(ParseState *pstate, List *origTlist)
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defval.adnum - FirstLowInvalidHeapAttributeNumber);
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}
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}
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return tlist;
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}
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/*
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@ -42,6 +42,7 @@
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#include "miscadmin.h"
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#include "nodes/makefuncs.h"
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#include "optimizer/optimizer.h"
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#include "parser/analyze.h"
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#include "parser/parse_relation.h"
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#include "pgstat.h"
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#include "postmaster/bgworker.h"
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@ -737,6 +738,8 @@ apply_handle_update(StringInfo s)
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i + 1 - FirstLowInvalidHeapAttributeNumber);
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}
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fill_extraUpdatedCols(target_rte, RelationGetDescr(rel->localrel));
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PushActiveSnapshot(GetTransactionSnapshot());
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ExecOpenIndices(estate->es_result_relation_info, false);
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@ -46,4 +46,6 @@ extern void applyLockingClause(Query *qry, Index rtindex,
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extern List *BuildOnConflictExcludedTargetlist(Relation targetrel,
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Index exclRelIndex);
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extern void fill_extraUpdatedCols(RangeTblEntry *target_rte, TupleDesc tupdesc);
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#endif /* ANALYZE_H */
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