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postgresql/src/include
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Jeff Davis bfc5992069 Add SQL function CASEFOLD(). 
Useful for caseless matching. Similar to LOWER(), but avoids edge-case
problems with using LOWER() for caseless matching.

For collations that support it, CASEFOLD() handles characters with
more than two case variations or multi-character case variations. Some
characters may fold to uppercase. The results of case folding are also
more stable across Unicode versions than LOWER() or UPPER().

Discussion: https://postgr.es/m/a1886ddfcd8f60cb3e905c93009b646b4cfb74c5.camel%40j-davis.com
Reviewed-by: Ian Lawrence Barwick
2025-01-24 14:56:22 -08:00
..
access Convert macros to static inline functions (htup_details.h, itup.h) 2025-01-23 12:12:08 +01:00
archive Update copyright for 2025 2025-01-01 11:21:55 -05:00
backup Update copyright for 2025 2025-01-01 11:21:55 -05:00
bootstrap Update copyright for 2025 2025-01-01 11:21:55 -05:00
catalog Add SQL function CASEFOLD(). 2025-01-24 14:56:22 -08:00
commands Change publication's publish_generated_columns option type to enum. 2025-01-23 15:28:37 +05:30
common Add support for Unicode case folding. 2025-01-23 09:06:50 -08:00
datatype Avoid using timezone Asia/Manila in regression tests. 2025-01-20 15:47:53 -05:00
executor Refactor ExecScan() to allow inlining of its core logic 2025-01-21 12:53:03 +09:00
fe_utils Update copyright for 2025 2025-01-01 11:21:55 -05:00
foreign Update copyright for 2025 2025-01-01 11:21:55 -05:00
jit Fix an assortment of spelling mistakes and typos 2025-01-02 12:42:01 +13:00
lib Add new StringInfo APIs to allow callers to specify the buffer size. 2025-01-11 08:23:46 +09:00
libpq postgres_fdw: SCRAM authentication pass-through 2025-01-15 17:58:05 +01:00
mb Update copyright for 2025 2025-01-01 11:21:55 -05:00
nodes Add OLD/NEW support to RETURNING in DML queries. 2025-01-16 14:57:35 +00:00
optimizer Add OLD/NEW support to RETURNING in DML queries. 2025-01-16 14:57:35 +00:00
parser Add OLD/NEW support to RETURNING in DML queries. 2025-01-16 14:57:35 +00:00
partitioning Update copyright for 2025 2025-01-01 11:21:55 -05:00
pch Update copyright for 2025 2025-01-01 11:21:55 -05:00
port Fix comment about AVX-512 popcount support. 2025-01-22 14:11:37 -06:00
portability Update copyright for 2025 2025-01-01 11:21:55 -05:00
postmaster Allow changing autovacuum_max_workers without restarting. 2025-01-06 15:01:22 -06:00
regex Update copyright for 2025 2025-01-01 11:21:55 -05:00
replication Return yyparse() result not via global variable 2025-01-24 06:55:39 +01:00
rewrite Add OLD/NEW support to RETURNING in DML queries. 2025-01-16 14:57:35 +00:00
snowball Update copyright for 2025 2025-01-01 11:21:55 -05:00
statistics Update copyright for 2025 2025-01-01 11:21:55 -05:00
storage Add const qualifiers to bufpage.h 2025-01-20 11:06:57 +01:00
tcop Update copyright for 2025 2025-01-01 11:21:55 -05:00
tsearch Update copyright for 2025 2025-01-01 11:21:55 -05:00
utils Add SQL function CASEFOLD(). 2025-01-24 14:56:22 -08:00
.gitignore Use <stdint.h> and <inttypes.h> for c.h integers. 2024-12-04 15:05:38 +13:00
c.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
fmgr.h Update copyright for 2025 2025-01-01 11:21:55 -05:00
funcapi.h Update copyright for 2025 2025-01-01 11:21:55 -05:00
getopt_long.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
Makefile Use <stdint.h> and <inttypes.h> for c.h integers. 2024-12-04 15:05:38 +13:00
meson.build Update copyright for 2025 2025-01-01 11:21:55 -05:00
miscadmin.h Update copyright for 2025 2025-01-01 11:21:55 -05:00
pg_config.h.in Use <stdint.h> and <inttypes.h> for c.h integers. 2024-12-04 15:05:38 +13:00
pg_config_manual.h Update copyright for 2025 2025-01-01 11:21:55 -05:00
pg_getopt.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
pg_trace.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
pgstat.h Rework handling of pending data for backend statistics 2025-01-21 11:30:42 +09:00
pgtar.h Update copyright for 2025 2025-01-01 11:21:55 -05:00
pgtime.h Seek zone abbreviations in the IANA data before timezone_abbreviations. 2025-01-16 14:11:19 -05:00
port.h Convert libpgport's pqsignal() to a void function. 2025-01-16 16:41:05 -06:00
postgres.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
postgres_ext.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
postgres_fe.h IWYU widely useful pragmas 2025-01-15 18:57:53 +01:00
varatt.h Update copyright for 2025 2025-01-01 11:21:55 -05:00
windowapi.h Update copyright for 2025 2025-01-01 11:21:55 -05:00