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bugfix: allow restore of DELTA backup to skip unchanged non-data files

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This commit is contained in:
Grigory Smolkin 2019-05-23 11:53:32 +03:00
parent ac4ea5e731
commit 7f21f63bb0
1 changed files with 13 additions and 7 deletions
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20
src/restore.c
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@ -677,17 +677,23 @@ restore_files(void *arg)
file->rel_path); file->rel_path);
/* /*
* For PAGE and PTRACK backups skip files which haven't changed * For PAGE and PTRACK backups skip datafiles which haven't changed
* since previous backup and thus were not backed up. * since previous backup and thus were not backed up.
* We cannot do the same when restoring DELTA backup because we need information * We cannot do the same when restoring DELTA backup because we need information
* about every file to correctly truncate them. * about every datafile to correctly truncate them.
*/ */
if (file->write_size == BYTES_INVALID && if (file->write_size == BYTES_INVALID)
(arguments->backup->backup_mode == BACKUP_MODE_DIFF_PAGE
|| arguments->backup->backup_mode == BACKUP_MODE_DIFF_PTRACK))
{ {
elog(VERBOSE, "The file didn`t change. Skip restore: \"%s\"", file->path); /* data file, only PAGE and PTRACK can skip */
continue; if (((file->is_datafile && !file->is_cfs) &&
(arguments->backup->backup_mode == BACKUP_MODE_DIFF_PAGE ||
arguments->backup->backup_mode == BACKUP_MODE_DIFF_PTRACK)) ||
/* non-data file can be skipped regardless of backup type */
!(file->is_datafile && !file->is_cfs))
{
elog(VERBOSE, "The file didn`t change. Skip restore: \"%s\"", file->path);
continue;
}
} }
/* Directories were created before */ /* Directories were created before */