diff options
Diffstat (limited to 'src/backend/executor/nodeResult.c')
| -rw-r--r-- | src/backend/executor/nodeResult.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/backend/executor/nodeResult.c b/src/backend/executor/nodeResult.c index ee6c91cb9dc..7c77dc07121 100644 --- a/src/backend/executor/nodeResult.c +++ b/src/backend/executor/nodeResult.c @@ -10,6 +10,11 @@ * * select 1 * 2 * + * insert into emp values ('mike', 15000) + * + * (Remember that in an INSERT or UPDATE, we need a plan tree that + * generates the new rows.) + * * Result nodes are also used to optimise queries with constant * qualifications (ie, quals that do not depend on the scanned data), * such as: @@ -20,7 +25,7 @@ * * Result (with 2 > 1 qual) * / - * SeqScan (emp.all) + * SeqScan (emp.*) * * At runtime, the Result node evaluates the constant qual once, * which is shown by EXPLAIN as a One-Time Filter. If it's @@ -33,7 +38,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/executor/nodeResult.c,v 1.30 2005/04/24 11:46:21 neilc Exp $ + * $PostgreSQL: pgsql/src/backend/executor/nodeResult.c,v 1.31 2005/04/24 15:32:07 tgl Exp $ * *------------------------------------------------------------------------- */ |