| PostgreSQL 9.4.4 Documentation | |||
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Release Date: 2007-01-08
This release contains a variety of fixes from 7.4.14. For information about new features in the 7.4 major release, see Section E.224.
A dump/restore is not required for those running 7.4.X. However, if you are upgrading from a version earlier than 7.4.11, see Section E.213.
Improve handling of getaddrinfo() on AIX (Tom)
This fixes a problem with starting the statistics collector, among other things.
Fix "failed to re-find parent key" errors in VACUUM (Tom)
Fix bugs affecting multi-gigabyte hash indexes (Tom)
Fix error when constructing an ARRAY[] made up of multiple empty elements (Tom)
to_number() and to_char(numeric)
are now STABLE, not IMMUTABLE, for
new initdb installs (Tom)
This is because lc_numeric can potentially change the output of these functions.
Improve index usage of regular expressions that use parentheses (Tom)
This improves psql \d performance also.