diff options
Diffstat (limited to 'src/backend/commands/explain.c')
| -rw-r--r-- | src/backend/commands/explain.c | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index 03f494d63f4..cb2b2d0f23e 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -5,7 +5,7 @@ * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994-5, Regents of the University of California * - * $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.76 2002/05/03 15:56:45 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.77 2002/05/12 20:10:02 tgl Exp $ * */ @@ -262,6 +262,9 @@ explain_outNode(StringInfo str, Plan *plan, Plan *outer_plan, case T_SubqueryScan: pname = "Subquery Scan"; break; + case T_FunctionScan: + pname = "Function Scan"; + break; case T_Material: pname = "Materialize"; break; @@ -336,7 +339,7 @@ explain_outNode(StringInfo str, Plan *plan, Plan *outer_plan, char *relname; /* Assume it's on a real relation */ - Assert(rte->relid); + Assert(rte->rtekind == RTE_RELATION); /* We only show the rel name, not schema name */ relname = get_rel_name(rte->relid); @@ -358,6 +361,33 @@ explain_outNode(StringInfo str, Plan *plan, Plan *outer_plan, quote_identifier(rte->eref->aliasname)); } break; + case T_FunctionScan: + if (((Scan *) plan)->scanrelid > 0) + { + RangeTblEntry *rte = rt_fetch(((Scan *) plan)->scanrelid, + es->rtable); + Expr *expr; + Func *funcnode; + Oid funcid; + char *proname; + + /* Assert it's on a RangeFunction */ + Assert(rte->rtekind == RTE_FUNCTION); + + expr = (Expr *) rte->funcexpr; + funcnode = (Func *) expr->oper; + funcid = funcnode->funcid; + + /* We only show the func name, not schema name */ + proname = get_func_name(funcid); + + appendStringInfo(str, " on %s", + quote_identifier(proname)); + if (strcmp(rte->eref->aliasname, proname) != 0) + appendStringInfo(str, " %s", + quote_identifier(rte->eref->aliasname)); + } + break; default: break; } @@ -397,6 +427,7 @@ explain_outNode(StringInfo str, Plan *plan, Plan *outer_plan, break; case T_SeqScan: case T_TidScan: + case T_FunctionScan: show_scan_qual(plan->qual, false, "Filter", ((Scan *) plan)->scanrelid, @@ -545,7 +576,7 @@ explain_outNode(StringInfo str, Plan *plan, Plan *outer_plan, es->rtable); List *saved_rtable = es->rtable; - Assert(rte->subquery != NULL); + Assert(rte->rtekind == RTE_SUBQUERY); es->rtable = rte->subquery->rtable; for (i = 0; i < indent; i++) @@ -623,11 +654,7 @@ show_scan_qual(List *qual, bool is_or_qual, const char *qlabel, /* Generate deparse context */ Assert(scanrelid > 0 && scanrelid <= length(es->rtable)); rte = rt_fetch(scanrelid, es->rtable); - - /* Assume it's on a real relation */ - Assert(rte->relid); - scancontext = deparse_context_for_relation(rte->eref->aliasname, - rte->relid); + scancontext = deparse_context_for_rte(rte); /* * If we have an outer plan that is referenced by the qual, add it to |