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Remove XLogFileInit() ability to unlink a pre-existing file.

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Only initdb used it.  initdb refuses to operate on a non-empty directory
and generally does not cope with pre-existing files of other kinds.
Hence, use the opportunity to simplify.

Discussion: https://postgr.es/m/20210202151416.GB3304930@rfd.leadboat.com
This commit is contained in:
Noah Misch
2021-06-28 18:34:56 -07:00
parent 85656bc305
commit 421484f79c
3 changed files with 28 additions and 40 deletions
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src/include/access/xlog.h
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@ -296,7 +296,7 @@ extern XLogRecPtr XLogInsertRecord(struct XLogRecData *rdata,
extern void XLogFlush(XLogRecPtr RecPtr);
extern bool XLogBackgroundFlush(void);
extern bool XLogNeedsFlush(XLogRecPtr RecPtr);
extern int XLogFileInit(XLogSegNo segno, bool *use_existent);
extern int XLogFileInit(XLogSegNo segno, bool *added);
extern int XLogFileOpen(XLogSegNo segno);
extern void CheckXLogRemoved(XLogSegNo segno, TimeLineID tli);