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| author | Bruce Momjian <bruce@momjian.us> | 1999-04-23 21:23:49 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 1999-04-23 21:23:49 +0000 |
| commit | fc08814e00c04cddad512494bb52d9266928619e (patch) | |
| tree | 7ccae8c5797706d2489ecacdc4cb254bf6187ed7 /doc/src/sgml | |
| parent | 35b168656b34c052ee21111ec0c3ed49d96bcbc7 (diff) | |
Rename explain's "size" to "rows".
Diffstat (limited to 'doc/src/sgml')
| -rw-r--r-- | doc/src/sgml/ref/explain.sgml | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/explain.sgml b/doc/src/sgml/ref/explain.sgml index 5f4a8063f43..a1914c75ce3 100644 --- a/doc/src/sgml/ref/explain.sgml +++ b/doc/src/sgml/ref/explain.sgml @@ -102,6 +102,8 @@ Description <PARA> This command outputs details about the supplied query. The default output is the computed query cost. + The cost value is only meaningful to the optimizer in comparing + various query plans. VERBOSE displays the full query plan and cost to your screen, and pretty-prints the plan to the postmaster log file. </para> @@ -135,7 +137,7 @@ To show a query plan for a simple query: postgres=> explain select * from foo; NOTICE: QUERY PLAN: -Seq Scan on foo (cost=0.00 size=0 width=4) +Seq Scan on foo (cost=0.00 rows=0 width=4) EXPLAIN </ProgramListing> |