farrokhi/pg_filedump
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Fix checksum validation for relations that have more than one segment.

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A blkno argument passed to pg_checksum_page procedure should be not a
relative block number in a given segment but an absolute block number
in the entire relation. It's the same for the segment number 0, but for
segment number N the difference is RELSEG_SIZE * N.

Aleksander Alekseev
This commit is contained in:
Teodor Sigaev
2016-09-07 19:27:02 +03:00
parent b163cdaa53
commit 052ed01129
3 changed files with 115 additions and 3 deletions
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4
README.pg_filedump
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@ -59,7 +59,7 @@ not require any manual adjustments of the Makefile.
------------------------------------------------------------------------
Invocation:
pg_filedump [-abcdfhikxy] [-R startblock [endblock]] [-S blocksize] file
pg_filedump [-abcdfhikxy] [-R startblock [endblock]] [-S blocksize] [-s segsize] [-n segnumber] file
Defaults are: relative addressing, range of the entire file, block size
as listed on block 0 in the file
@ -80,6 +80,8 @@ The following options are valid for heap and index files:
[startblock]: block to start at
[endblock]: block to end at
A startblock without an endblock will format the single block
-s Force segment size to [segsize]
-n Force segment number to [segnumber]
-S Force block size to [blocksize]
-x Force interpreted formatting of block items as index items
-y Force interpreted formatting of block items as heap items