mirror of
https://github.com/postgres/postgres.git
synced 2025-07-28 23:42:10 +03:00
Update docs for new INFO, NOTICE, WARNING elog() levels.
This commit is contained in:
@ -1,5 +1,5 @@
|
||||
<!--
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.16 2002/01/20 22:19:56 petere Exp $
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.17 2002/03/06 06:44:31 momjian Exp $
|
||||
-->
|
||||
|
||||
<chapter id="performance-tips">
|
||||
@ -96,7 +96,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.16 2002/01/20 22:19:56 pet
|
||||
|
||||
<programlisting>
|
||||
regression=# EXPLAIN SELECT * FROM tenk1;
|
||||
NOTICE: QUERY PLAN:
|
||||
INFO: QUERY PLAN:
|
||||
|
||||
Seq Scan on tenk1 (cost=0.00..333.00 rows=10000 width=148)
|
||||
</programlisting>
|
||||
@ -120,7 +120,7 @@ SELECT * FROM pg_class WHERE relname = 'tenk1';
|
||||
|
||||
<programlisting>
|
||||
regression=# EXPLAIN SELECT * FROM tenk1 WHERE unique1 < 1000;
|
||||
NOTICE: QUERY PLAN:
|
||||
INFO: QUERY PLAN:
|
||||
|
||||
Seq Scan on tenk1 (cost=0.00..358.00 rows=1007 width=148)
|
||||
</programlisting>
|
||||
@ -145,7 +145,7 @@ Seq Scan on tenk1 (cost=0.00..358.00 rows=1007 width=148)
|
||||
|
||||
<programlisting>
|
||||
regression=# EXPLAIN SELECT * FROM tenk1 WHERE unique1 < 50;
|
||||
NOTICE: QUERY PLAN:
|
||||
INFO: QUERY PLAN:
|
||||
|
||||
Index Scan using tenk1_unique1 on tenk1 (cost=0.00..181.09 rows=49 width=148)
|
||||
</programlisting>
|
||||
@ -164,7 +164,7 @@ Index Scan using tenk1_unique1 on tenk1 (cost=0.00..181.09 rows=49 width=148)
|
||||
<programlisting>
|
||||
regression=# EXPLAIN SELECT * FROM tenk1 WHERE unique1 < 50 AND
|
||||
regression-# stringu1 = 'xxx';
|
||||
NOTICE: QUERY PLAN:
|
||||
INFO: QUERY PLAN:
|
||||
|
||||
Index Scan using tenk1_unique1 on tenk1 (cost=0.00..181.22 rows=1 width=148)
|
||||
</programlisting>
|
||||
@ -179,7 +179,7 @@ Index Scan using tenk1_unique1 on tenk1 (cost=0.00..181.22 rows=1 width=148)
|
||||
<programlisting>
|
||||
regression=# EXPLAIN SELECT * FROM tenk1 t1, tenk2 t2 WHERE t1.unique1 < 50
|
||||
regression-# AND t1.unique2 = t2.unique2;
|
||||
NOTICE: QUERY PLAN:
|
||||
INFO: QUERY PLAN:
|
||||
|
||||
Nested Loop (cost=0.00..330.41 rows=49 width=296)
|
||||
-> Index Scan using tenk1_unique1 on tenk1 t1
|
||||
@ -227,7 +227,7 @@ regression=# set enable_nestloop = off;
|
||||
SET VARIABLE
|
||||
regression=# EXPLAIN SELECT * FROM tenk1 t1, tenk2 t2 WHERE t1.unique1 < 50
|
||||
regression-# AND t1.unique2 = t2.unique2;
|
||||
NOTICE: QUERY PLAN:
|
||||
INFO: QUERY PLAN:
|
||||
|
||||
Hash Join (cost=181.22..564.83 rows=49 width=296)
|
||||
-> Seq Scan on tenk2 t2
|
||||
@ -260,7 +260,7 @@ Hash Join (cost=181.22..564.83 rows=49 width=296)
|
||||
regression=# EXPLAIN ANALYZE
|
||||
regression-# SELECT * FROM tenk1 t1, tenk2 t2
|
||||
regression-# WHERE t1.unique1 < 50 AND t1.unique2 = t2.unique2;
|
||||
NOTICE: QUERY PLAN:
|
||||
INFO: QUERY PLAN:
|
||||
|
||||
Nested Loop (cost=0.00..330.41 rows=49 width=296) (actual time=1.31..28.90 rows=50 loops=1)
|
||||
-> Index Scan using tenk1_unique1 on tenk1 t1
|
||||
|
Reference in New Issue
Block a user