Release 7.4.7
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Release date: 2005-01-31
This release contains a variety of fixes from 7.4.6, including several security-related issues. For information about new features in the 7.4 major release, see Section E.298 .
E.291.1. Migration to Version 7.4.7
A dump/restore is not required for those running 7.4.X.
E.291.2. Changes
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Disallow LOAD to non-superusers
On platforms that will automatically execute initialization functions of a shared library (this includes at least Windows and ELF-based Unixen), LOAD can be used to make the server execute arbitrary code. Thanks to NGS Software for reporting this.
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Check that creator of an aggregate function has the right to execute the specified transition functions
This oversight made it possible to bypass denial of EXECUTE permission on a function.
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Fix security and 64-bit issues in contrib/intagg
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Add needed STRICT marking to some contrib functions (Kris Jurka)
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Avoid buffer overrun when plpgsql cursor declaration has too many parameters (Neil)
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Fix planning error for FULL and RIGHT outer joins
The result of the join was mistakenly supposed to be sorted the same as the left input. This could not only deliver mis-sorted output to the user, but in case of nested merge joins could give outright wrong answers.
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Fix plperl for quote marks in tuple fields
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Fix display of negative intervals in SQL and GERMAN datestyles
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Make age(timestamptz) do calculation in local timezone not GMT