Patche 18

• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=1eff8279d494b96f0073df78abc74954a2f6ee54 - zobrazeni vyuziti pameti v explinu pro materializaci
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=590b045c37aad44915f7f472343f24c2bafbe5d8 - pouziti generacniho memory kontextu pro tuple store
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=aa86129e19d704afb93cb84ab9638f33d266ee9d - podpora right semijoinu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=4564f1cebd437d93590027c9ff46ef60bc3286ae - funkce pg_get_acl
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=ca481d3c9ab7bf69ff0c8d71ad3951d407f6a33c - rychlejsi operace s kratkymi cisly typu numeric
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=a0f1fce80c0373c16b22a1bdc9b0b61958fc9b6a - min, max pro kompozity
• https://www.postgresql.org/message-id/flat/8fab8-65d74c80-1-2f28e880@39088166 - moznost vypnout 2PC commit pro logickou replikaci
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=580f8727ca93b7b9a2ce49746b9cdbcb0a2b4a7e - pojmenovane argumenty regexp funkci
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=0dcaea56903489e8abedf231f286272495c3beb4 - GUC num_os_semaphores
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=3c5db1d6b01642bcd8dbf5e34b68f034365747bb - pg_wal_replay_wait
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=7949d9594582ab49dee221e1db1aa5401ace49d4 - možnost vlastních statistik v extenzi
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=ca6fde92258a328a98c1d9e41da5462b73da8529 - pouziti SIMD pro escapovani JSON
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=760162fedb4f7ee6f0167cc6acfadee6ccb6be66 - moznost pouzit crc funkce z c
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=d55322b0da60a8798ffdb8b78ef90db0fb5be18e - nove psql commandy pro praci s prepared statements na urovni protolu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=89f908a6d0ac1337c868625008c9598487d184e7 - podpora temporal keys
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=fc0438b4e80535419a4e54dba87642cdf84defda - podpora temporal uniq
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=62ddf7ee9a399e0b9624412fc482ed7365e38958 - ANALYZE ONLY
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=ba90eac7a9953f6f6fa5e0a0cc7441d09778f8b9 - podpora SET pro pg_stat_statements
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=dc68515968e80d75f8106d0df05da346be537628 - normalizace prikazu SET
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=2d24fd942c7010247c5b7b54b416acf7f4592a4e - min/max pro bytea
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=cf54a2c002544a4b7934deb44c895750aadb0a3c - pg_stat_statements sleduje paralelismus dotazu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=e839c8ecc9352b7754e74f19ace013c0c0d18613 - funkce pro modifikaci sloupcovych statistik
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=49d6c7d8dabad8c59ba21afe72ff32e79f822291 - funkce array reverse
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=e7a9496de90657e2161f68b3a5a9b2d9b0b7bb07 - sledovani paralelismu v pg_stat_database
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=ae4569161a27823793ca24825bbabce2a91a0bc9 - nahrada OR za SAOP
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=d4378c0005e61b1bb78e88097ea6efcdddbe2d6e - nahrada OR za SAOP
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=85b7efa1cdd63c2fe2b70b725b8285743ee5787f - podpora like na nedeteministickych collations (napr. case insensitive)
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=0f5738202b812a976e8612c85399b52d16a0abb6 - optimalizace GROUP BY
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=50416cc4843a85fcb53507e21577cce16c75c65f - optimalizace hashjoinu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=c2a4078ebad71999dd451ae7d4358be3c9290b07 - EXPLAIN zobrazuje buffers ve vychozim nastaveni
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=9aea73fc61d4e77e000724ce0b2f896590a10e03 - backend level io statistics
• https://www.depesz.com/2024/12/31/waiting-for-postgresql-18-add-uuid-version-7-generation-function/
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=c758119e5bfb47b38cf957f9a5a37ceae96fa9b3 - moznost zmenit autovacuum max workers bez restartu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=ca87c415e2fccf81cec6fd45698dde9fae0ab570 - NOT ENFORCED klauzule pro CHECK
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=2355e51110e7c687c125a5958f12a462931de996 - zobrazi informaci jestli operator nebo funkce je leakprof
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=00f4c2959d631c7851da21a512885d1deab28649 - expand mode pro \d prikazy
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=80feb727c869cc0b2e12bd1543bafa449be9c8e2 - podpora NEW, OLD v RETURNING
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=e24d77080b365265f3c854f64e71518622883678 - zrychleni encodovani bytea
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=d3d0983169130a9b81e3fe48d5c2ca4931480956 - collation PG_UNICODE_FAST
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=286a365b9c25479f8ad82043ed136748733adfa6 - lepší mapování velkých, malých písmen ve speciálních případech
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=fb9f955025f7609fd3da0d7e33b77438ddc765de - optimalizace seq scanu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=172e6b3adb2e2749883ad0746172e4cf97139961 - podpora rimskych cislic v to_number
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=b663b9436e7509b5e73c8c372539f067cd6e66c1 - not valid constr na partisnach
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=bfc5992069cf00b189af83d96a83ae5ebb65e938 - funkce CASEFOLD - pro case insensensitive porovnavani
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=627d63419e22054551327216d2b2de3e6977fade - lepsi optimalizace joinu pokud podminka obsahuje OR
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=306dc520b9dfd6014613961962a89940a431a069 - autovacuum_vacuum_max_threshold
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=83ea6c54025bea67bcd4949a6d58d3fc11c3e21b - virtualni generovane sloupce
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=c366d2bdba7c3b9b2cca1429d4535866e231ca55 - inplace update pro typy z extenzi v plpgsql
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=7720082ae53280857f1eacb86134a9a759290f40 - moznost zalogovat delay vacuum spusteneho autovacuuem
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=320545bfcfee9c6826d9ae96a880ec82fc03d860 - moznost si zobrazit zapisy do WAL v explainu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=6a2275b8953a4462d44daf001bdd60b3d48f0946 - odstraneni zamku WALBufMappingLock
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=6a8a7ce476bd5f042999a04a0d767b38ea6faec0 - zobrazi zapisy do WAL v VACUUM VERBOSE
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=ac0e33136abc4668c9b08e1ba7db69afe1e0e2c3 - invalidace neaktivniho slotu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=a1b4f289beec19534e5e34e1a962c5828b306ce2 - optimalizace pameti hashjoinu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=525392d5727f469e9a5882e1d728917a4be56147 - optimalizace partitioningu
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=1fd1bd871012732e3c6c482667d2f2c56f1a9395 - moznost prenest statistiky pri uograde
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=41625ab8ea3d0a2656dd0f067f1f0b61df63af97 - podpora pipelingu pro psql