Release 7.3.20
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Release Date: 2007-09-17
This release contains fixes from 7.3.19.
E.254.1. Migration to Version 7.3.20
A dump/restore is not required for those running 7.3.X. However, if you are upgrading from a version earlier than 7.3.13, see Section E.261 .
E.254.2. Changes
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Prevent index corruption when a transaction inserts rows and then aborts close to the end of a concurrent VACUUM on the same table (Tom)
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Make CREATE DOMAIN ... DEFAULT NULL work properly (Tom)
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Fix crash when log_min_error_statement logging runs out of memory (Tom)
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Require non-superusers who use /contrib/dblink to use only password authentication, as a security measure (Joe)