diff options
| -rw-r--r-- | src/backend/commands/explain.c | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index 2d90ce4858d..879fdc82d05 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.16 1997/12/29 05:13:22 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.17 1998/02/13 03:21:30 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -176,8 +176,10 @@ explain_outNode(StringInfo str, Plan *plan, int indent, ExplainState *es) break; } +#if 0 for (i = 0; i < indent; i++) appendStringInfo(str, " "); +#endif appendStringInfo(str, pname); switch (nodeTag(plan)) @@ -202,14 +204,34 @@ explain_outNode(StringInfo str, Plan *plan, int indent, ExplainState *es) appendStringInfo(str, buf); } appendStringInfo(str, "\n"); + + /* initPlan-s */ + if (plan->initPlan) + { + List *saved_rtable = es->rtable; + List *lst; + + for (i = 0; i < indent; i++) + appendStringInfo(str, " "); + appendStringInfo(str, " InitPlan\n"); + foreach (lst, plan->initPlan) + { + es->rtable = ((SubPlan*) lfirst(lst))->rtable; + for (i = 0; i < indent; i++) + appendStringInfo(str, " "); + appendStringInfo(str, " -> "); + explain_outNode(str, ((SubPlan*) lfirst(lst))->plan, indent + 4, es); + } + es->rtable = saved_rtable; + } /* lefttree */ if (outerPlan(plan)) { for (i = 0; i < indent; i++) appendStringInfo(str, " "); - appendStringInfo(str, " -> "); - explain_outNode(str, outerPlan(plan), indent + 1, es); + appendStringInfo(str, " -> "); + explain_outNode(str, outerPlan(plan), indent + 3, es); } /* righttree */ @@ -217,8 +239,28 @@ explain_outNode(StringInfo str, Plan *plan, int indent, ExplainState *es) { for (i = 0; i < indent; i++) appendStringInfo(str, " "); - appendStringInfo(str, " -> "); - explain_outNode(str, innerPlan(plan), indent + 1, es); + appendStringInfo(str, " -> "); + explain_outNode(str, innerPlan(plan), indent + 3, es); + } + + /* subPlan-s */ + if (plan->subPlan) + { + List *saved_rtable = es->rtable; + List *lst; + + for (i = 0; i < indent; i++) + appendStringInfo(str, " "); + appendStringInfo(str, " SubPlan\n"); + foreach (lst, plan->subPlan) + { + es->rtable = ((SubPlan*) lfirst(lst))->rtable; + for (i = 0; i < indent; i++) + appendStringInfo(str, " "); + appendStringInfo(str, " -> "); + explain_outNode(str, ((SubPlan*) lfirst(lst))->plan, indent + 4, es); + } + es->rtable = saved_rtable; } return; } |