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
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@ -185,7 +185,10 @@ struct XLogReaderState
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*/
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TimeLineID nextTLI;
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/* Buffer for current ReadRecord result (expandable) */
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/*
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* Buffer for current ReadRecord result (expandable), used when a record
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* crosses a page boundary.
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*/
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char *readRecordBuf;
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uint32 readRecordBufSize;
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