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Fix interaction of triggers, partitioning, and EXPLAIN ANALYZE.

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Add a new EState member es_leaf_result_relations, so that the trigger
code knows about ResultRelInfos created by tuple routing.  Also make
sure ExplainPrintTriggers knows about partition-related
ResultRelInfos.

Etsuro Fujita, reviewed by Amit Langote

Discussion: http://postgr.es/m/57163e18-8e56-da83-337a-22f2c0008051@lab.ntt.co.jp
This commit is contained in:
Robert Haas
2017-08-18 13:01:05 -04:00
parent a20aac890a
commit c4b841ba6a
7 changed files with 115 additions and 65 deletions
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15
src/backend/commands/explain.c
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@ -656,17 +656,30 @@ ExplainPrintTriggers(ExplainState *es, QueryDesc *queryDesc)
ResultRelInfo *rInfo;
bool show_relname;
int numrels = queryDesc->estate->es_num_result_relations;
int numrootrels = queryDesc->estate->es_num_root_result_relations;
List *leafrels = queryDesc->estate->es_leaf_result_relations;
List *targrels = queryDesc->estate->es_trig_target_relations;
int nr;
ListCell *l;
ExplainOpenGroup("Triggers", "Triggers", false, es);
show_relname = (numrels > 1 || targrels != NIL);
show_relname = (numrels > 1 || numrootrels > 0 ||
leafrels != NIL || targrels != NIL);
rInfo = queryDesc->estate->es_result_relations;
for (nr = 0; nr < numrels; rInfo++, nr++)
report_triggers(rInfo, show_relname, es);
rInfo = queryDesc->estate->es_root_result_relations;
for (nr = 0; nr < numrootrels; rInfo++, nr++)
report_triggers(rInfo, show_relname, es);
foreach(l, leafrels)
{
rInfo = (ResultRelInfo *) lfirst(l);
report_triggers(rInfo, show_relname, es);
}
foreach(l, targrels)
{
rInfo = (ResultRelInfo *) lfirst(l);