12 PostgreSQL fourth beta release, this version includes all the features of a preview of the final version of PostgreSQL 12 available, but some details of this version may change before the 12 officially released. It may be available in a release candidate before the final beta version of PostgreSQL 12.
Since 12 Beta 3 is changed as follows:
- Fixed a crash that contains a nested query lock may occur
- Only allowed to work in a transaction block chained transaction explicitly set in, or an error occurs
- Changing the types of messages partition DEBUG1 log level
- Adding to postgresql.sample.conf default_table_access_method configuration parameters stored in the configuration example
- Repair process when you call ALTER SYSTEM postgresql.auto.conf duplicate entries. Now, when updating configuration parameters have duplicate entries, PostgreSQL will delete all entries and new entries added to the end
- Comparing ensure ALTER SYSTEM insensitive when adjusting the configuration entry
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