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Documentation PostgreSQL 9.0.23 > Annexes > Notes de version > Release 7.4.15
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E.162. Release 7.4.15

[Note]

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.177, « Release 7.4 ».

E.162.1. Migration to Version 7.4.15

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.166, « Release 7.4.11 ».

E.162.2. Changes

  • 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.