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Rename CHECKPOINT_IMMEDIATE to CHECKPOINT_FAST.

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The new name more accurately reflects the effects of this flag on a
requested checkpoint.  Checkpoint-related log messages (i.e., those
controlled by the log_checkpoints configuration parameter) will now
say "fast" instead of "immediate", too.  Likewise, references to
"immediate" checkpoints in the documentation have been updated to
say "fast".  This is preparatory work for a follow-up commit that
will add a MODE option to the CHECKPOINT command.

Author: Christoph Berg <myon@debian.org>
Discussion: https://postgr.es/m/aDnaKTEf-0dLiEfz%40msg.df7cb.de
This commit is contained in:
Nathan Bossart
2025-07-11 11:51:25 -05:00
parent cd8324cc89
commit bb938e2c3c
12 changed files with 40 additions and 40 deletions
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10
src/backend/commands/dbcommands.c
View File

@@ -570,7 +570,7 @@ CreateDatabaseUsingFileCopy(Oid src_dboid, Oid dst_dboid, Oid src_tsid,
* any CREATE DATABASE commands.
*/
if (!IsBinaryUpgrade)
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE |
RequestCheckpoint(CHECKPOINT_FAST | CHECKPOINT_FORCE |
CHECKPOINT_WAIT | CHECKPOINT_FLUSH_UNLOGGED);
/*
@@ -673,7 +673,7 @@ CreateDatabaseUsingFileCopy(Oid src_dboid, Oid dst_dboid, Oid src_tsid,
* strategy that avoids these problems.
*/
if (!IsBinaryUpgrade)
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE |
RequestCheckpoint(CHECKPOINT_FAST | CHECKPOINT_FORCE |
CHECKPOINT_WAIT);
}
@@ -1870,7 +1870,7 @@ dropdb(const char *dbname, bool missing_ok, bool force)
* Force a checkpoint to make sure the checkpointer has received the
* message sent by ForgetDatabaseSyncRequests.
*/
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
RequestCheckpoint(CHECKPOINT_FAST | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
/* Close all smgr fds in all backends. */
WaitForProcSignalBarrier(EmitProcSignalBarrier(PROCSIGNAL_BARRIER_SMGRRELEASE));
@@ -2120,7 +2120,7 @@ movedb(const char *dbname, const char *tblspcname)
* On Windows, this also ensures that background procs don't hold any open
* files, which would cause rmdir() to fail.
*/
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE | CHECKPOINT_WAIT
RequestCheckpoint(CHECKPOINT_FAST | CHECKPOINT_FORCE | CHECKPOINT_WAIT
| CHECKPOINT_FLUSH_UNLOGGED);
/* Close all smgr fds in all backends. */
@@ -2252,7 +2252,7 @@ movedb(const char *dbname, const char *tblspcname)
* any unlogged operations done in the new DB tablespace before the
* next checkpoint.
*/
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
RequestCheckpoint(CHECKPOINT_FAST | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
/*
* Force synchronous commit, thus minimizing the window between

2
src/backend/commands/tablespace.c
View File

@@ -500,7 +500,7 @@ DropTableSpace(DropTableSpaceStmt *stmt)
* mustn't delete. So instead, we force a checkpoint which will clean
* out any lingering files, and try again.
*/
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
RequestCheckpoint(CHECKPOINT_FAST | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
/*
* On Windows, an unlinked file persists in the directory listing