Horton

Re: Refactor backup related code (was: Is it correct to say, "invalid data in file \"%s\"", BACKUP_LABEL_FILE in do_pg_backup_stop?)

Kyotaro Horiguchi <horikyota.ntt@gmail.com>

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From: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
To: michael@paquier.xyz
Cc: bharath.rupireddyforpostgres@gmail.com, masao.fujii@oss.nttdata.com, david@pgmasters.net, pgsql-hackers@lists.postgresql.org
Date: 2022-09-27T08:24:27Z
Lists: pgsql-hackers

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This commit introduced BackupState struct. The comment of
do_pg_backup_start says that:

> * It fills in backup_state with the information required for the backup,

And the parameters are:

> do_pg_backup_start(const char *backupidstr, bool fast, List **tablespaces,
> 				   BackupState *state, StringInfo tblspcmapfile)

So backup_state is different from both the type BackupState and the
parameter state.  I find it annoying.  Don't we either rename the
parameter or fix the comment?

The parameter "state" sounds a bit too generic. So I prefer to rename
the parameter to backup_state, as the attached.

What do you think about this?

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center

Commits

  1. Fix some comments of do_pg_backup_start() and do_pg_backup_stop()

  2. Remove dependency to StringInfo in xlogbackup.{c.h}

  3. Refactor creation of backup_label and backup history files

  4. Move basebackup code to new directory src/backend/backup

  5. Remove exclusive backup mode