On Thu, Nov 15, 2018 at 06:12:38PM +0900, Kyotaro HORIGUCHI wrote: > This patch eliminates unnecessary copying that was done for > non-continued records. Now the return value of XLogReadRecord > directly points into page buffer holded in XLogReaderStats. It is > safe because no caller site uses the returned pointer beyond the > replacement of buffer content at the next call to the same > function.
I was looking at this patch, and shouldn't we worry about compatibility with plugins or utilities which look directly at what's in readRecordBuf for the record contents? Let's not forget that the contents of XLogReaderState are public. -- Michael
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