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pg_waldump: Fix --bkp-details to not issue spurious newlines for FPWs. 

The additional newline seems to have accidentally been introduced in
2c03216d83, in 9.5. The newline is only issued when an FPW is
present for the block reference.

While there could be an argument that removing the newlines in the
back branches could cause a problem for somebody parsing the
pg_waldump output, the likelihood of that seems small enough. It seems
at least equally likely that the randomness of when newlines are
issued causes problems.

Author: Andres Freund
Discussion: https://postgr.es/m/20191029233341.4gnyau7e5v2lh5sc@alap3.anarazel.de
Backpatch: 9.5, like 2c03216d83.
This commit is contained in:
Andres Freund 2019-10-29 22:46:40 -07:00
parent e0f76f204c
commit e4d92126fd
1 changed files with 2 additions and 2 deletions
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4
src/bin/pg_waldump/pg_waldump.c
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@ -584,7 +584,7 @@ XLogDumpDisplayRecord(XLogDumpConfig *config, XLogReaderState *record)
BKPIMAGE_IS_COMPRESSED)
{
printf(" (FPW%s); hole: offset: %u, length: %u, "
"compression saved: %u\n",
"compression saved: %u",
XLogRecBlockImageApply(record, block_id) ?
"" : " for WAL verification",
record->blocks[block_id].hole_offset,
@ -595,7 +595,7 @@ XLogDumpDisplayRecord(XLogDumpConfig *config, XLogReaderState *record)
}
else
{
printf(" (FPW%s); hole: offset: %u, length: %u\n",
printf(" (FPW%s); hole: offset: %u, length: %u",
XLogRecBlockImageApply(record, block_id) ?
"" : " for WAL verification",
record->blocks[block_id].hole_offset,