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1 | | -<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.518 2010/06/10 07:00:25 heikki Exp $ --> |
| 1 | +<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.519 2010/06/17 01:32:09 rhaas Exp $ --> |
2 | 2 |
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3 | 3 | <chapter id="functions"> |
4 | 4 | <title>Functions and Operators</title> |
@@ -13282,10 +13282,13 @@ postgres=# SELECT * FROM pg_xlogfile_name_offset(pg_stop_backup()); |
13282 | 13282 | <entry><type>text</type></entry> |
13283 | 13283 | <entry>Get last transaction log location received and synced to disk by |
13284 | 13284 | streaming replication. While streaming replication is in progress |
13285 | | - this will increase monotonically. If recovevery has completed |
13286 | | - this will remain static at the value of the last WAL record |
13287 | | - received and synced to disk during recovery. If streaming replication |
13288 | | - is disabled, or it has not yet started, the function returns NULL. |
| 13285 | + this will increase monotonically. But when streaming replication is |
| 13286 | + restarted this will back off to the replication starting position, |
| 13287 | + typically the beginning of the WAL file containing the current |
| 13288 | + replay location. If recovery has completed this will remain static at |
| 13289 | + the value of the last WAL record received and synced to disk during |
| 13290 | + recovery. If streaming replication is disabled, or if it has not yet |
| 13291 | + started, the function returns NULL. |
13289 | 13292 | </entry> |
13290 | 13293 | </row> |
13291 | 13294 | <row> |
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