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Improve description of buffer used to store records in WAL reader 

The dedicated private buffer to store records is used only for these
crossing a page boundary since 285bd0ac, but its description did not
match completely the reality.

Reported-by: Andrey Lepikhov
Author: Michael Paquier
Discussion: https://postgr.es/m/49518b48-2036-5e43-1818-0f594e375e76@postgrespro.ru
This commit is contained in:
Michael Paquier 2018-11-21 08:43:32 +09:00
parent ea8bc349bd
commit 0999ac4792
1 changed files with 4 additions and 1 deletions
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5
src/include/access/xlogreader.h
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@ -185,7 +185,10 @@ struct XLogReaderState
*/
TimeLineID nextTLI;
/* Buffer for current ReadRecord result (expandable) */
/*
* Buffer for current ReadRecord result (expandable), used when a record
* crosses a page boundary.
*/
char *readRecordBuf;
uint32 readRecordBufSize;