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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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5
src/backend/replication/walreceiver.c
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@ -885,7 +885,7 @@ XLogWalRcvWrite(char *buf, Size nbytes, XLogRecPtr recptr)
if (recvFile < 0 || !XLByteInSeg(recptr, recvSegNo, wal_segment_size))
{
bool use_existent;
bool added;
/*
* fsync() and close current file before we switch to next one. We
@ -923,8 +923,7 @@ XLogWalRcvWrite(char *buf, Size nbytes, XLogRecPtr recptr)
/* Create/use new log file */
XLByteToSeg(recptr, recvSegNo, wal_segment_size);
use_existent = true;
recvFile = XLogFileInit(recvSegNo, &use_existent);
recvFile = XLogFileInit(recvSegNo, &added);
recvFileTLI = ThisTimeLineID;
}