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>PostgreSQL 9.1beta1 Documentation</A
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>Appendix E. Release Notes</TD
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>E.134. Release 7.4.1</A
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> This release contains a variety of fixes from 7.4.
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For information about new features in the 7.4 major release, see
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HREF="release-7-4.html"
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>E.134.1. Migration to Version 7.4.1</A
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> A dump/restore is <SPAN
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> If you want to install the fixes in the information schema
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you need to reload it into the database.
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This is either accomplished by initializing a new cluster
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>, or by running the following
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sequence of SQL commands in each database (ideally including
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>, after installing the new release:
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CLASS="PROGRAMLISTING"
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>DROP SCHEMA information_schema CASCADE;
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\i /usr/local/pgsql/share/information_schema.sql</PRE
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Substitute your installation path in the second command.
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> parsing in ECPG (Michael)</P
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>Fix compile error when <TT
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>--enable-thread-safety</TT
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> are used together (Peter)</P
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>Fix for subqueries that used hash joins (Tom)</P
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> Certain subqueries that used hash joins would crash because of
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improperly shared structures.</P
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>Fix free space map compaction bug (Tom)</P
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> This fixes a bug where compaction of the free space map could lead
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to a database server shutdown.</P
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>Fix for Borland compiler build of libpq (Bruce)</P
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> to return the maximum-length masklen (Tom)</P
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> Fix these functions to return values consistent with pre-7.4
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>contrib/pg_autovacuum</TT
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> Fixes include improper variable initialization, missing vacuum after
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>, and duration computation overflow for long vacuums.</P
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>Allow compile of <TT
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> under Cygwin (Jason Tishler)</P
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>Fix Solaris use of password file when no passwords are defined (Tom)</P
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> Fix crash on Solaris caused by use of any type of password
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authentication when no passwords were defined.</P
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>JDBC fix for thread problems, other fixes</P
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> index lookups (Joe)</P
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>Fix information schema for bit data types (Peter)</P
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>Force zero_damaged_pages to be on during recovery from WAL</P
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>Prevent some obscure cases of <SPAN
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>"variable not in subplan target lists"</SPAN
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> consistent with each other (Joe)</P
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> output for bytes > 0x7e(Joe)</P
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> If different client encodings are used for <TT
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> output and input, it
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> values to be corrupted by the differing
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encodings. This fix escapes all bytes that might be affected.</P
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> calls to dblink's <CODE
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>get_tuple_of_interest()</CODE
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>Fix information schema view <TT
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>constraint_column_usage</TT
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> for foreign keys (Peter)</P
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>ECPG fixes (Michael)</P
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>Fix bug with multiple <TT
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> subqueries and joins in the subqueries (Tom)</P
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>Install ECPG include files for Informix compatibility into separate directory (Peter)</P
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> Some names of ECPG include files for Informix compatibility conflicted with operating system include files.
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By installing them in their own directory, name conflicts have been reduced.</P
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>Fix SSL memory leak (Neil)</P
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> This release fixes a bug in 7.4 where SSL didn't free all memory it allocated.</P
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> from using service name as default dbname (Bruce)</P
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>Fix local ident authentication on FreeBSD (Tom)</P
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