diff options
Diffstat (limited to 'src/backend/commands/explain.c')
| -rw-r--r-- | src/backend/commands/explain.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index 33252a8e205..323f3a11ae9 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -653,9 +653,9 @@ elapsed_time(instr_time *starttime) * Prescan the planstate tree to identify which RTEs are referenced * * Adds the relid of each referenced RTE to *rels_used. The result controls - * which RTEs are assigned aliases by select_rtable_names_for_explain. This - * ensures that we don't confusingly assign un-suffixed aliases to RTEs that - * never appear in the EXPLAIN output (such as inheritance parents). + * which RTEs are assigned aliases by select_rtable_names_for_explain. + * This ensures that we don't confusingly assign un-suffixed aliases to RTEs + * that never appear in the EXPLAIN output (such as inheritance parents). */ static void ExplainPreScanNode(PlanState *planstate, Bitmapset **rels_used) @@ -1954,6 +1954,8 @@ ExplainTargetRel(Plan *plan, Index rti, ExplainState *es) rte = rt_fetch(rti, es->rtable); refname = (char *) list_nth(es->rtable_names, rti - 1); + if (refname == NULL) + refname = rte->eref->aliasname; switch (nodeTag(plan)) { @@ -2026,8 +2028,7 @@ ExplainTargetRel(Plan *plan, Index rti, ExplainState *es) quote_identifier(objectname)); else if (objectname != NULL) appendStringInfo(es->str, " %s", quote_identifier(objectname)); - if (refname != NULL && - (objectname == NULL || strcmp(refname, objectname) != 0)) + if (objectname == NULL || strcmp(refname, objectname) != 0) appendStringInfo(es->str, " %s", quote_identifier(refname)); } else @@ -2036,8 +2037,7 @@ ExplainTargetRel(Plan *plan, Index rti, ExplainState *es) ExplainPropertyText(objecttag, objectname, es); if (namespace != NULL) ExplainPropertyText("Schema", namespace, es); - if (refname != NULL) - ExplainPropertyText("Alias", refname, es); + ExplainPropertyText("Alias", refname, es); } } |