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| author | Simon Riggs <simon@2ndQuadrant.com> | 2017-03-22 07:05:12 +0000 |
|---|---|---|
| committer | Simon Riggs <simon@2ndQuadrant.com> | 2017-03-22 07:05:12 +0000 |
| commit | 1148e22a82edc96172fc78855da392b6f0015c88 (patch) | |
| tree | ba60e49124bf0eb9f003ee11f2d2a275dffddb1b /src/include/access/xlogutils.h | |
| parent | 9ca2dd578db4086ae8a6eb6fd82ac376b7b2804e (diff) | |
Teach xlogreader to follow timeline switches
Uses page-based mechanism to ensure we’re using the correct timeline.
Tests are included to exercise the functionality using a cold disk-level copy
of the master that's started up as a replica with slots intact, but the
intended use of the functionality is with later features.
Craig Ringer, reviewed by Simon Riggs and Andres Freund
Diffstat (limited to 'src/include/access/xlogutils.h')
| -rw-r--r-- | src/include/access/xlogutils.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/access/xlogutils.h b/src/include/access/xlogutils.h index 567a7f3d871..25a99422c1a 100644 --- a/src/include/access/xlogutils.h +++ b/src/include/access/xlogutils.h @@ -52,4 +52,7 @@ extern int read_local_xlog_page(XLogReaderState *state, XLogRecPtr targetRecPtr, char *cur_page, TimeLineID *pageTLI); +extern void XLogReadDetermineTimeline(XLogReaderState *state, + XLogRecPtr wantPage, uint32 wantLength); + #endif |