Created
March 28, 2013 18:28
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TIL: Postgres freezes now() to the start-time of the transaction while inside a transaction.
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| psql (9.1.3) | |
| Type "help" for help. | |
| dev=# select now(); | |
| now | |
| ------------------------------- | |
| 2013-03-28 14:27:28.820854-04 | |
| (1 row) | |
| dev=# select now(); | |
| now | |
| ------------------------------- | |
| 2013-03-28 14:27:29.610072-04 | |
| (1 row) | |
| dev=# begin; | |
| BEGIN | |
| dev=# select now(); | |
| now | |
| ------------------------------- | |
| 2013-03-28 14:27:31.129983-04 | |
| (1 row) | |
| dev=# select now(); | |
| now | |
| ------------------------------- | |
| 2013-03-28 14:27:31.129983-04 | |
| (1 row) | |
| dev=# select now(); | |
| now | |
| ------------------------------- | |
| 2013-03-28 14:27:31.129983-04 | |
| (1 row) | |
| dev=# commit; | |
| COMMIT | |
| dev=# select now(); | |
| now | |
| ------------------------------- | |
| 2013-03-28 14:27:41.538059-04 | |
| (1 row) |
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