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postgresql/src/include
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Stephen Frost 4d0e994eed Add support for partial TOAST decompression 
When asked for a slice of a TOAST entry, decompress enough to return the
slice instead of decompressing the entire object.

For use cases where the slice is at, or near, the beginning of the entry,
this avoids a lot of unnecessary decompression work.

This changes the signature of pglz_decompress() by adding a boolean to
indicate if it's ok for the call to finish before consuming all of the
source or destination buffers.

Author: Paul Ramsey
Reviewed-By: Rafia Sabih, Darafei Praliaskouski, Regina Obe
Discussion: https://postgr.es/m/CACowWR07EDm7Y4m2kbhN_jnys%3DBBf9A6768RyQdKm_%3DNpkcaWg%40mail.gmail.com
 		2019-04-02 12:35:32 -04:00
..
access Add wal_recycle and wal_init_zero GUCs. 2019-04-02 14:37:14 +13:00
bootstrap Update copyright for 2019 2019-01-02 12:44:25 -05:00
catalog GIN support for @@ and @? jsonpath operators 2019-04-01 18:08:52 +03:00
commands REINDEX CONCURRENTLY 2019-03-29 08:26:33 +01:00
common Add support for partial TOAST decompression 2019-04-02 12:35:32 -04:00
datatype Update copyright for 2019 2019-01-02 12:44:25 -05:00
executor Generated columns 2019-03-30 08:15:57 +01:00
fe_utils Unified logging system for command-line programs 2019-04-01 20:01:35 +02:00
foreign Store tuples for EvalPlanQual in slots, rather than as HeapTuples. 2019-03-01 10:37:57 -08:00
jit Renaming for new subscripting mechanism 2019-02-01 12:50:32 -03:00
lib Add IntegerSet, to hold large sets of 64-bit ints efficiently. 2019-03-22 13:21:45 +02:00
libpq Add new clientcert hba option verify-full 2019-03-09 12:19:47 -08:00
mb Update copyright for 2019 2019-01-02 12:44:25 -05:00
nodes postgres_fdw: Perform the (FINAL, NULL) upperrel operations remotely. 2019-04-02 20:30:45 +09:00
optimizer Refactor create_limit_path() to share cost adjustment code with FDWs. 2019-04-02 19:55:12 +09:00
parser Generated columns 2019-03-30 08:15:57 +01:00
partitioning Collations with nondeterministic comparison 2019-03-22 12:12:43 +01:00
port Fix previous MinGW fix. 2019-02-16 15:23:02 +00:00
portability Update copyright for 2019 2019-01-02 12:44:25 -05:00
postmaster Convert [autovacuum_]vacuum_cost_delay into floating-point GUCs. 2019-03-10 15:01:39 -04:00
regex Partial implementation of SQL/JSON path language 2019-03-16 12:16:48 +03:00
replication Add walreceiver API to get remote server version 2019-03-15 10:16:26 +01:00
rewrite Update copyright for 2019 2019-01-02 12:44:25 -05:00
snowball Update copyright for 2019 2019-01-02 12:44:25 -05:00
statistics Fix deserialization of pg_mcv_list values 2019-03-28 20:03:14 +01:00
storage Add basic infrastructure for 64 bit transaction IDs. 2019-03-28 18:12:20 +13:00
tcop Update copyright for 2019 2019-01-02 12:44:25 -05:00
tsearch Update copyright for 2019 2019-01-02 12:44:25 -05:00
utils GIN support for @@ and @? jsonpath operators 2019-04-01 18:08:52 +03:00
.gitignore Refactor dlopen() support 2018-09-06 11:33:04 +02:00
Makefile Get rid of jsonpath_gram.h and jsonpath_scanner.h 2019-03-20 11:13:34 +03:00
c.h Add macro to cast away volatile without allowing changes to underlying type 2019-03-25 09:37:03 +01:00
fmgr.h Change function call information to be variable length. 2019-01-26 14:17:52 -08:00
funcapi.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
getaddrinfo.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
getopt_long.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
miscadmin.h Convert [autovacuum_]vacuum_cost_delay into floating-point GUCs. 2019-03-10 15:01:39 -04:00
pg_config.h.in Make use of compiler builtins and/or assembly for CLZ, CTZ, POPCNT. 2019-02-15 23:22:33 -05:00
pg_config.h.win32 Make use of compiler builtins and/or assembly for CLZ, CTZ, POPCNT. 2019-02-15 23:22:33 -05:00
pg_config_ext.h.in Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_ext.h.win32 Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_manual.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
pg_getopt.h Use our own getopt() on OpenBSD. 2019-01-18 15:06:26 -05:00
pg_trace.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
pgstat.h Add progress reporting for CLUSTER and VACUUM FULL. 2019-03-25 10:59:04 -04:00
pgtar.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
pgtime.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
port.h Cygwin and Mingw floating-point fixes. 2019-02-16 01:50:16 +00:00
postgres.h Change function call information to be variable length. 2019-01-26 14:17:52 -08:00
postgres_ext.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
postgres_fe.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
rusagestub.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
windowapi.h Update copyright for 2019 2019-01-02 12:44:25 -05:00