E.174. Release 7.4.3

Fix temporary memory leak when using non-hashed aggregates (Tom)

ECPG fixes, including some for Informix compatibility (Michael)

Fixes for compiling with thread-safety, particularly Solaris (Bruce)

Fix error in COPY IN termination when using the old network protocol (ljb)

Several important fixes in pg_autovacuum, including fixes for large tables, unsigned oids, stability, temp tables, and debug mode (Matthew T. O'Connor)

Fix problem with reading tar-format dumps on NetBSD and BSD/OS (Bruce)

Several JDBC fixes

Fix ALTER SEQUENCE RESTART where last_value equals the restart value (Tom)

Repair failure to recalculate nested sub-selects (Tom)

Fix problems with non-constant expressions in LIMIT/OFFSET

Support FULL JOIN with no join clause, such as X FULL JOIN Y ON TRUE (Tom)

Fix another zero-column table bug (Tom)

Improve handling of non-qualified identifiers in GROUP BY clauses in sub-selects (Tom)

Select-list aliases within the sub-select will now take precedence over names from outer query levels.

Do not generate « NATURAL CROSS JOIN » when decompiling rules (Tom)

Add checks for invalid field length in binary COPY (Tom)

This fixes a difficult-to-exploit security hole.

Avoid locking conflict between ANALYZE and LISTEN/NOTIFY

Numerous translation updates (various contributors)