[COMMITTERS] pgsql: test_shm_mq: Improve regression tests.

test_shm_mq: Improve regression tests. Per discussion with Tom Lane. Branch -- master Details --- http://git.postgresql.org/pg/commitdiff/d1bdab2fa39f9a29fc806e1f2b6b5428b88d7cc5 Modified Files -- contrib/test_shm_mq/expected/test_shm_mq.out | 22 -- con

[COMMITTERS] pgsql: libpq: pass a memory allocation failure error up to PQconndefau

libpq: pass a memory allocation failure error up to PQconndefaults() Previously user name memory allocation failures were ignored and the default user name set to NULL. Branch -- master Details --- http://git.postgresql.org/pg/commitdiff/a4c8f14364c27508233f8a31ac4b10a4c90235a9 Modifie

[COMMITTERS] pgsql: Again fix initialization of auto-tuned effective_cache_size.

Again fix initialization of auto-tuned effective_cache_size. The previous method was overly complex and underly correct; in particular, by assigning the default value with PGC_S_OVERRIDE, it prevented later attempts to change the setting in postgresql.conf, as noted by Jeff Janes. We should just a