-<!-- $PostgreSQL: pgsql/doc/src/sgml/auto-explain.sgml,v 1.6 2009/12/15 04:57:47 rhaas Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/auto-explain.sgml,v 1.7 2010/02/20 22:24:29 adunstan Exp $ -->
<sect1 id="auto-explain">
<title>auto_explain</title>
</para>
<programlisting><![CDATA[
- LOG: duration: 0.986 ms plan:
- Aggregate (cost=14.90..14.91 rows=1 width=0)
- -> Hash Join (cost=3.91..14.70 rows=81 width=0)
- Hash Cond: (pg_class.oid = pg_index.indrelid)
- -> Seq Scan on pg_class (cost=0.00..8.27 rows=227 width=4)
- -> Hash (cost=2.90..2.90 rows=81 width=4)
- -> Seq Scan on pg_index (cost=0.00..2.90 rows=81 width=4)
- Filter: indisunique
- STATEMENT: SELECT count(*)
- FROM pg_class, pg_index
- WHERE oid = indrelid AND indisunique;
+ LOG: duration: 3.651 ms plan:
+ Query Text: SELECT count(*)
+ FROM pg_class, pg_index
+ WHERE oid = indrelid AND indisunique;
+ Aggregate (cost=16.79..16.80 rows=1 width=0) (actual time=3.626..3.627 rows=1 loops=1)
+ -> Hash Join (cost=4.17..16.55 rows=92 width=0) (actual time=3.349..3.594 rows=92 loops=1)
+ Hash Cond: (pg_class.oid = pg_index.indrelid)
+ -> Seq Scan on pg_class (cost=0.00..9.55 rows=255 width=4) (actual time=0.016..0.140 rows=255 loops=1)
+ -> Hash (cost=3.02..3.02 rows=92 width=4) (actual time=3.238..3.238 rows=92 loops=1)
+ Buckets: 1024 Batches: 1 Memory Usage: 4kB
+ -> Seq Scan on pg_index (cost=0.00..3.02 rows=92 width=4) (actual time=0.008..3.187 rows=92 loops=1)
+ Filter: indisunique
]]>
</programlisting>
</sect2>