fix build of puffs examples; need _KERNTYPES for register_t

make pg_config overridable

branches: 1.1.2; 1.1.8;
puffs file system server backed by postgresql

puffs file system server backed by postgresql

puffs file system server backed by postgresql

spelling and grammar fixes in comments.

branches: 1.2.54;
tweak some sql statements to improve chances to use the index.

puffs file system server backed by postgresql

fix user-after-free bug

do setlocale so that we can print localized messages from libpq correctly.

branches: 1.2.2;
- enable writeback cache and namecache.
- use setback hack to reduce number of puffs OPs.

branches: 1.1.2;
puffs file system server backed by postgresql

comment

remove FK references as it creates more problems than it solves.
particularly, it involves shared lock on the referenced table
and causes frequent deadlock.

reduce number of SQL statements for inactivate

branches: 1.1.2;
puffs file system server backed by postgresql

puffs file system server backed by postgresql

setlabel: save SQL statements by caching the last label

abuse application_name to show the last puffs activity for the connection.

branches: 1.1.2;
puffs file system server backed by postgresql

abuse application_name to show the last puffs activity for the connection.

branches: 1.1.2;
puffs file system server backed by postgresql

puffs file system server backed by postgresql

puffs file system server backed by postgresql

de-foodify comment

abuse application_name to show the last puffs activity for the connection.

reduce number of SQL statements for inactivate

- enable writeback cache and namecache.
- use setback hack to reduce number of puffs OPs.

branches: 1.1.2;
puffs file system server backed by postgresql

don't bother to call lo_close.
as we ever open a few LOs at most in a transaction, just let them be closed
automatically at the end of the transaction.

reduce number of SQL statements for inactivate

branches: 1.3.2;
isempty: fix a query result type.

tweak some sql statements to improve chances to use the index.

puffs file system server backed by postgresql

reduce number of SQL statements for inactivate

branches: 1.1.2;
puffs file system server backed by postgresql

puffs file system server backed by postgresql

puffs file system server backed by postgresql