simplehash.h. • Reduce memory consumption during calculation of extended statistics (Justin Pryzby, Tomas Von- dra) • Fix ecpg to recover correctly after malloc() failure while establishing a connection (Michael Eisentraut) • Avoid useless and expensive logical decoding of TOAST data during a table rewrite (Tomas Von- dra) • Fix logic for stopping a subset of WAL senders when synchronous replication is enabled (Paul

simplehash.h. • Reduce memory consumption during calculation of extended statistics (Justin Pryzby, Tomas Von- dra) • Fix ecpg to recover correctly after malloc() failure while establishing a connection (Michael Eisentraut) • Avoid useless and expensive logical decoding of TOAST data during a table rewrite (Tomas Von- dra) • Fix logic for stopping a subset of WAL senders when synchronous replication is enabled (Paul

interval columns. • Process date values more sanely in BRIN datetime_minmax_multi_ops indexes (Tomas Von- dra) The distance calculation for dates was backward, causing poor decisions about which entries thrown. • Avoid useless work while scanning a multi-column BRIN index with multiple scan keys (Tomas Von- dra) 2672 Release Notes The existing code effectively considered only the last scan key while deciding

interval columns. • Process date values more sanely in BRIN datetime_minmax_multi_ops indexes (Tomas Von- dra) The distance calculation for dates was backward, causing poor decisions about which entries thrown. • Avoid useless work while scanning a multi-column BRIN index with multiple scan keys (Tomas Von- dra) The existing code effectively considered only the last scan key while deciding whether a range

Vondra) • Add pgbench --sampling-rate option to control the percentage of transactions logged (Tomas Von- dra) • Reduce and improve the status message output of pgbench’s initialization mode (Robert Haas add-on code. • Adopt a faster algorithm for hash functions (Kenneth Marshall, based on work of Bob Jenkins) Many of the built-in hash functions now deliver different results on little-endian and big-endian

command. • Ensure that ApplyLogicalMappingFile() closes the mapping file when done with it (Tomas Von- dra) Previously, the file descriptor was leaked, eventually resulting in failures during logical

command. • Ensure that ApplyLogicalMappingFile() closes the mapping file when done with it (Tomas Von- dra) Previously, the file descriptor was leaked, eventually resulting in failures during logical

command. • Ensure that ApplyLogicalMappingFile() closes the mapping file when done with it (Tomas Von- dra) Previously, the file descriptor was leaked, eventually resulting in failures during logical

completed. • Enhance the logical replication API to allow streaming large in-progress transactions (Tomas Von- dra, Dilip Kumar, Amit Kapila) The output functions begin with stream. test_decoding also supports

deletions. • Reduce memory consumption during calculation of extended statistics (Justin Pryzby, Tomas Von- dra) • Add more defensive checks around B-tree posting list splits (Peter Geoghegan) This change