Re: Index not being used
| От | Christopher Kings-Lynne |
|---|---|
| Тема | Re: Index not being used |
| Дата | |
| Msg-id | GNELIHDDFBOCMGBFGEFOGEGLCBAA.chriskl@familyhealth.com.au обсуждение исходный текст |
| Ответ на | Re: Index not being used (Tom Lane <tgl@sss.pgh.pa.us>) |
| Список | pgsql-sql |
> There is no such concept, at present. See the archives... Then why does this work?: australia=# select current_timestamp; timestamp ------------------------2002-02-15 12:03:35+08 (1 row) australia=# select current_timestamp; timestamp ------------------------2002-02-15 12:03:36+08 (1 row) australia=# select current_timestamp; timestamp ------------------------2002-02-15 12:03:37+08 (1 row) australia=# select current_timestamp; timestamp ------------------------2002-02-15 12:03:38+08 (1 row) australia=# begin transaction; BEGIN australia=# select current_timestamp; timestamp ------------------------2002-02-15 12:03:43+08 (1 row) australia=# select current_timestamp; timestamp ------------------------2002-02-15 12:03:43+08 (1 row) australia=# select current_timestamp; timestamp ------------------------2002-02-15 12:03:43+08 (1 row) australia=# select current_timestamp; timestamp ------------------------2002-02-15 12:03:43+08 (1 row)
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