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Andrew Dunstan 3311ea86ed Introduce a non-recursive JSON parser 
This parser uses an explicit prediction stack, unlike the present
recursive descent parser where the parser state is represented on the
call stack. This difference makes the new parser suitable for use in
incremental parsing of huge JSON documents that cannot be conveniently
handled piece-wise by the recursive descent parser. One potential use
for this will be in parsing large backup manifests associated with
incremental backups.

Because this parser is somewhat slower than the recursive descent
parser, it  is not replacing that parser, but is an additional parser
available to callers.

For testing purposes, if the build is done with -DFORCE_JSON_PSTACK, all
JSON parsing is done with the non-recursive parser, in which case only
trivial regression differences in error messages should be observed.

Author: Andrew Dunstan
Reviewed-By: Jacob Champion

Discussion: https://postgr.es/m/7b0a51d6-0d9d-7366-3a1a-f74397a02f55@dunslane.net
 		2024-04-04 06:46:40 -04:00
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access Preliminary refactor of heap scanning functions 2024-04-04 16:41:13 +13:00
archive Add macro for customizing an archiving WARNING message. 2024-03-04 15:41:42 -06:00
backup Update copyright for 2024 2024-01-03 20:49:05 -05:00
bootstrap Update copyright for 2024 2024-01-03 20:49:05 -05:00
catalog Implement pg_wal_replay_wait() stored procedure 2024-04-02 22:48:03 +03:00
commands Invent SERIALIZE option for EXPLAIN. 2024-04-03 17:41:57 -04:00
common Introduce a non-recursive JSON parser 2024-04-04 06:46:40 -04:00
datatype Update copyright for 2024 2024-01-03 20:49:05 -05:00
executor Add TupleTableSlotOps.is_current_xact_tuple() method 2024-03-21 23:00:43 +02:00
fe_utils Allow dbname to be written as part of connstring via pg_basebackup's -R option. 2024-03-21 10:50:33 +05:30
foreign Generalize relation analyze in table AM interface 2024-03-30 22:34:04 +02:00
jit jit: Require at least LLVM 10. 2024-01-25 15:42:34 +13:00
lib Use the pairing heap instead of a flat array for LSN replay waiters 2024-04-03 18:15:41 +03:00
libpq Remove translation markers from libpq-be-fe-helpers.h 2024-03-28 13:12:12 +01:00
mb Inline basic UTF-8 functions. 2024-03-20 09:40:57 -07:00
nodes Add support for MERGE ... WHEN NOT MATCHED BY SOURCE. 2024-03-30 10:00:26 +00:00
optimizer Fix assert failure when planning setop subqueries with CTEs 2024-04-02 12:15:45 +13:00
parser Add support for MERGE ... WHEN NOT MATCHED BY SOURCE. 2024-03-30 10:00:26 +00:00
partitioning Update copyright for 2024 2024-01-03 20:49:05 -05:00
pch Update copyright for 2024 2024-01-03 20:49:05 -05:00
port Inline pg_popcount() for small buffers. 2024-04-03 12:22:02 -05:00
portability Update copyright for 2024 2024-01-03 20:49:05 -05:00
postmaster Move code for backend startup to separate file 2024-03-18 11:38:10 +02:00
regex Update copyright for 2024 2024-01-03 20:49:05 -05:00
replication Ensure that the sync slots reach a consistent state after promotion without losing data. 2024-04-03 14:04:59 +05:30
rewrite Support MERGE into updatable views. 2024-02-29 15:56:59 +00:00
snowball Update copyright for 2024 2024-01-03 20:49:05 -05:00
statistics Update copyright for 2024 2024-01-03 20:49:05 -05:00
storage Avoid deadlock during orphan temp table removal. 2024-04-02 14:59:32 -04:00
tcop Invent SERIALIZE option for EXPLAIN. 2024-04-03 17:41:57 -04:00
tsearch Update copyright for 2024 2024-01-03 20:49:05 -05:00
utils Add allow_alter_system GUC. 2024-03-29 08:45:11 -04:00
.gitignore
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Makefile Put genbki.pl output into src/include/catalog/ directly 2024-03-14 07:11:21 +01:00
c.h Remove AIX support 2024-02-28 15:17:23 +04:00
fmgr.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
funcapi.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
getopt_long.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
meson.build Update copyright for 2024 2024-01-03 20:49:05 -05:00
miscadmin.h Remove assertions that some compiler say are tautological 2024-03-20 09:14:51 +02:00
pg_config.h.in Add --copy-file-range option to pg_upgrade. 2024-03-06 12:01:01 +13:00
pg_config_ext.h.in
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pg_config_ext.h.meson meson: Add initial version of meson based build system 2022-09-21 22:37:17 -07:00
pg_config_manual.h Introduce a non-recursive JSON parser 2024-04-04 06:46:40 -04:00
pg_getopt.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
pg_trace.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
pgstat.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
pgtar.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
pgtime.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
port.h Replace calls to pg_qsort() with the qsort() macro. 2024-02-16 11:37:50 -06:00
postgres.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
postgres_ext.h Move RelFileNumber declarations to common/relpath.h. 2022-09-27 12:01:57 -04:00
postgres_fe.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
varatt.h Update copyright for 2024 2024-01-03 20:49:05 -05:00
windowapi.h Update copyright for 2024 2024-01-03 20:49:05 -05:00