diff options
Diffstat (limited to 'src/backend/commands/explain.c')
| -rw-r--r-- | src/backend/commands/explain.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index 592eeba4177..608ebf93ce8 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994-5, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/explain.c,v 1.162 2007/04/27 22:05:47 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/commands/explain.c,v 1.163 2007/05/04 21:29:52 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -30,6 +30,7 @@ #include "utils/builtins.h" #include "utils/guc.h" #include "utils/lsyscache.h" +#include "utils/tuplesort.h" typedef struct ExplainState @@ -58,6 +59,8 @@ static void show_upper_qual(List *qual, const char *qlabel, Plan *plan, static void show_sort_keys(Plan *sortplan, int nkeys, AttrNumber *keycols, const char *qlabel, StringInfo str, int indent, ExplainState *es); +static void show_sort_info(SortState *sortstate, + StringInfo str, int indent, ExplainState *es); /* * ExplainQuery - @@ -818,6 +821,8 @@ explain_outNode(StringInfo str, ((Sort *) plan)->sortColIdx, "Sort Key", str, indent, es); + show_sort_info((SortState *) planstate, + str, indent, es); break; case T_Result: show_upper_qual((List *) ((Result *) plan)->resconstantqual, @@ -1123,3 +1128,25 @@ show_sort_keys(Plan *sortplan, int nkeys, AttrNumber *keycols, appendStringInfo(str, "\n"); } + +/* + * If it's EXPLAIN ANALYZE, show tuplesort explain info for a sort node + */ +static void +show_sort_info(SortState *sortstate, + StringInfo str, int indent, ExplainState *es) +{ + Assert(IsA(sortstate, SortState)); + if (es->printAnalyze && sortstate->sort_Done && + sortstate->tuplesortstate != NULL) + { + char *sortinfo; + int i; + + sortinfo = tuplesort_explain((Tuplesortstate *) sortstate->tuplesortstate); + for (i = 0; i < indent; i++) + appendStringInfo(str, " "); + appendStringInfo(str, " %s\n", sortinfo); + pfree(sortinfo); + } +} |