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postgresql/src/common
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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
..
unicode Update copyright for 2019 2019-01-02 12:44:25 -05:00
.gitignore Replace the data structure used for keyword lookup. 2019-01-06 17:02:57 -05:00
Makefile Change floating-point output format for improved performance. 2019-02-13 15:20:33 +00:00
base64.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
config_info.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
controldata_utils.c Unified logging system for command-line programs 2019-04-01 20:01:35 +02:00
d2s.c More float test and portability fixes. 2019-02-13 19:35:50 +00:00
d2s_full_table.h Change floating-point output format for improved performance. 2019-02-13 15:20:33 +00:00
d2s_intrinsics.h Change floating-point output format for improved performance. 2019-02-13 15:20:33 +00:00
digit_table.h Change floating-point output format for improved performance. 2019-02-13 15:20:33 +00:00
exec.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
f2s.c More float test and portability fixes. 2019-02-13 19:35:50 +00:00
fe_memutils.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
file_perm.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
file_utils.c Unified logging system for command-line programs 2019-04-01 20:01:35 +02:00
ip.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
keywords.c Replace the data structure used for keyword lookup. 2019-01-06 17:02:57 -05:00
kwlookup.c Use perfect hashing, instead of binary search, for keyword lookup. 2019-01-09 19:47:46 -05:00
link-canary.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
md5.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
pg_lzcompress.c Add support for partial TOAST decompression 2019-04-02 12:35:32 -04:00
pgfnames.c Unified logging system for command-line programs 2019-04-01 20:01:35 +02:00
psprintf.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
relpath.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
restricted_token.c Unified logging system for command-line programs 2019-04-01 20:01:35 +02:00
rmtree.c Unified logging system for command-line programs 2019-04-01 20:01:35 +02:00
ryu_common.h Change floating-point output format for improved performance. 2019-02-13 15:20:33 +00:00
saslprep.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
scram-common.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
sha2.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
sha2_openssl.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
string.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
unicode_norm.c Remove useless casts 2019-02-13 11:50:09 +01:00
username.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
wait_error.c Update copyright for 2019 2019-01-02 12:44:25 -05:00