From 7db9ea5c1e8cf4ac6a6032b14cb1eca1fef93adc Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 4 Aug 1998 15:00:28 +0000
Subject: [PATCH] EXPLAIN VERBOSE prints the plan, and now pretty-prints the
plan to the postmaster log file.
---
src/backend/commands/explain.c | 11 +++++++----
src/man/explain.l | 5 +++--
2 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c
index d97e05c71c5..2fb312cade1 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 1.21 1998/08/04 04:50:15 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.22 1998/08/04 15:00:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -30,7 +30,7 @@ typedef struct ExplainState
{
/* options */
bool printCost; /* print cost */
- bool printNodes; /* do pprint() instead */
+ bool printNodes; /* do nodeToString() instead */
/* other states */
List *rtable; /* range table */
} ExplainState;
@@ -81,8 +81,11 @@ ExplainQuery(Query *query, bool verbose, CommandDest dest)
es->rtable = query->rtable;
if (es->printNodes)
- s = pprint(plan);
-
+ {
+ pprint(plan); /* display in postmaster log file */
+ s = nodeToString(plan);
+ }
+
if (es->printCost)
{
s2 = Explain_PlanToString(plan, es);
diff --git a/src/man/explain.l b/src/man/explain.l
index a50912eed10..9bc0925bf2d 100644
--- a/src/man/explain.l
+++ b/src/man/explain.l
@@ -1,6 +1,6 @@
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
-.\" $Header: /cvsroot/pgsql/src/man/Attic/explain.l,v 1.9 1998/02/10 04:02:59 momjian Exp $
+.\" $Header: /cvsroot/pgsql/src/man/Attic/explain.l,v 1.10 1998/08/04 15:00:28 momjian Exp $
.TH EXPLAIN SQL 06/12/97 PostgreSQL PostgreSQL
.SH NAME
explain - explains statement execution details
@@ -11,7 +11,8 @@ explain - explains statement execution details
.SH DESCRIPTION
This command outputs details about the supplied query. The default
output is the computed query cost. \f2verbose\f1 displays the full query
-plan and cost.
+plan and cost to your screen, and pretty-prints the plan to the postmaster
+log file.
.SH EXAMPLES
In the examples, the table has a single column of float4.
--
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