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* Prevent error recursion crashes when encoding conversion fails.
* Disallow "CREATE CONVERSION" with the wrong encodings for the
specified conversion function.
* Fix xpath() to not modify the path expression unless necessary, and
to make a saner attempt at it when necessary.
* Fix core dump when to_char() is given format codes that are
inappropriate for the type of the data argument.
* Fix possible failure in text search when C locale is used with a
multi-byte encoding.
* Fix extreme inefficiency in text search parser's handling of an
email-like string containing multiple @ characters.
* Fix planner problem with sub-"SELECT" in the output list of a
larger subquery.
* Fix decompilation of CASE WHEN with an implicit coercion.
* Fix possible misassignment of the owner of a TOAST table's rowtype.
* Change "UNLISTEN" to exit quickly if the current session has never
executed any "LISTEN" command.
* Fix PL/pgSQL to not treat INTO after "INSERT" as an INTO-variables
clause anywhere in the string, not only at the start; in
particular, don't fail for "INSERT INTO" within "CREATE RULE".
* Clean up PL/pgSQL error status variables fully at block exit.
* Retry failed calls to CallNamedPipe() on Windows.
* Add MUST (Mauritius Island Summer Time) to the default list of
known timezone abbreviations.
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changed runtime dependencies now.
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With significant new functionality and performance enhancements, this
release represents a major leap forward for PostgreSQL. This was made
possible by a growing community that has dramatically accelerated the
pace of development. This release adds the following major features:
* Full text search is integrated into the core database system
* Support for the SQL/XML standard, including new operators and an
XML data type
* Enumerated data types (ENUM)
* Arrays of composite types
* Universally Unique Identifier (UUID) data type
* Add control over whether NULLs sort first or last
* Updatable cursors
* Server configuration parameters can now be set on a per-function
basis
* User-defined types can now have type modifiers
* Automatically re-plan cached queries when table definitions change
or statistics are updated
* Numerous improvements in logging and statistics collection
* Support Security Service Provider Interface (SSPI) for
authentication on Windows
* Support multiple concurrent autovacuum processes, and other
autovacuum improvements
* Allow the whole PostgreSQL distribution to be compiled with
Microsoft Visual C++
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