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Rename WAL-related functions and views to use "lsn" not "location".

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Per discussion, "location" is a rather vague term that could refer to
multiple concepts.  "LSN" is an unambiguous term for WAL locations and
should be preferred.  Some function names, view column names, and function
output argument names used "lsn" already, but others used "location",
as well as yet other terms such as "wal_position".  Since we've already
renamed a lot of things in this area from "xlog" to "wal" for v10,
we may as well incur a bit more compatibility pain and make these names
all consistent.

David Rowley, minor additional docs hacking by me

Discussion: https://postgr.es/m/CAKJS1f8O0njDKe8ePFQ-LK5-EjwThsDws6ohJ-+c6nWK+oUxtg@mail.gmail.com
This commit is contained in:
Tom Lane
2017-05-11 11:49:59 -04:00
parent b66adb7b0c
commit d10c626de4
31 changed files with 185 additions and 185 deletions
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12
src/backend/access/transam/xlogfuncs.c
View File

@ -351,7 +351,7 @@ pg_create_restore_point(PG_FUNCTION_ARGS)
* to the kernel, but is not necessarily synced to disk.
*/
Datum
pg_current_wal_location(PG_FUNCTION_ARGS)
pg_current_wal_lsn(PG_FUNCTION_ARGS)
{
XLogRecPtr current_recptr;
@ -372,7 +372,7 @@ pg_current_wal_location(PG_FUNCTION_ARGS)
* This function is mostly for debugging purposes.
*/
Datum
pg_current_wal_insert_location(PG_FUNCTION_ARGS)
pg_current_wal_insert_lsn(PG_FUNCTION_ARGS)
{
XLogRecPtr current_recptr;
@ -393,7 +393,7 @@ pg_current_wal_insert_location(PG_FUNCTION_ARGS)
* This function is mostly for debugging purposes.
*/
Datum
pg_current_wal_flush_location(PG_FUNCTION_ARGS)
pg_current_wal_flush_lsn(PG_FUNCTION_ARGS)
{
XLogRecPtr current_recptr;
@ -415,7 +415,7 @@ pg_current_wal_flush_location(PG_FUNCTION_ARGS)
* and synced to disk by walreceiver.
*/
Datum
pg_last_wal_receive_location(PG_FUNCTION_ARGS)
pg_last_wal_receive_lsn(PG_FUNCTION_ARGS)
{
XLogRecPtr recptr;
@ -434,7 +434,7 @@ pg_last_wal_receive_location(PG_FUNCTION_ARGS)
* connections during recovery.
*/
Datum
pg_last_wal_replay_location(PG_FUNCTION_ARGS)
pg_last_wal_replay_lsn(PG_FUNCTION_ARGS)
{
XLogRecPtr recptr;
@ -621,7 +621,7 @@ pg_is_in_recovery(PG_FUNCTION_ARGS)
* Compute the difference in bytes between two WAL locations.
*/
Datum
pg_wal_location_diff(PG_FUNCTION_ARGS)
pg_wal_lsn_diff(PG_FUNCTION_ARGS)
{
Datum result;