PostgreSQL 9.0.9 Documentation
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# E.111. Release 8.0.9

> Release date: 2006-10-16

This release contains a variety of fixes from 8.0.8. For information about new features in the 8.0 major release, see Section E.120.

## E.111.1. Migration to Version 8.0.9

A dump/restore is not required for those running 8.0.X. However, if you are upgrading from a version earlier than 8.0.6, see the release notes for 8.0.6.

## E.111.2. Changes

- Fix crash when referencing `NEW` row values in rule WHERE expressions (Tom)

- Fix core dump when an untyped literal is taken as ANYARRAY

- Fix mishandling of AFTER triggers when query contains a SQL function returning multiple rows (Tom)

- Fix `ALTER TABLE ... TYPE` to recheck `NOT NULL` for `USING` clause (Tom)

- Fix `string_to_array()` to handle overlapping matches for the separator string

  For example, `string_to_array('123xx456xxx789', 'xx')`.

- Fix corner cases in pattern matching for psql's `\d` commands

- Fix index-corrupting bugs in /contrib/ltree (Teodor)

- Numerous robustness fixes in ecpg (Joachim Wieland)

- Fix backslash escaping in /contrib/dbmirror

- Fix instability of statistics collection on Win32 (Tom, Andrew)

- Fixes for AIX and Intel compilers (Tom)

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