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authorMichael Paquier2018-11-20 23:43:32 +0000
committerMichael Paquier2018-11-20 23:43:32 +0000
commit0999ac479292c12a7c373e612b15e1ff47077990 (patch)
tree5bd69550ca6b9149c4ac34789acdf3c616c4e910
parentea8bc349bd1d92a882d636b535723b36366d9fbe (diff)
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/[email protected]
-rw-r--r--src/include/access/xlogreader.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/include/access/xlogreader.h b/src/include/access/xlogreader.h
index 40116f8ecb..44ca2bc2fd 100644
--- a/src/include/access/xlogreader.h
+++ b/src/include/access/xlogreader.h
@@ -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;