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PostgreSQL
PostgeSQL is a leading open-source SQL database server.
Other Activity This Week
- Replace the built-in GIN array opclasses with a single polymorphic opclass
Tom Lane: We had thirty different GIN array opclasses sharing the same operators and support functions. - Refactor script execution state machine in pgbench
Heikki Linnakangas: The doCustom() function had grown into quite a mess. - Do a final round of updates on the 9.6 release notes
Tom Lane: Set release date, document a few recent commits, do one last pass of copy-editing. - Doc: fix examples of # operators so they actually work
Tom Lane: These worked as-is until around 7.0, but fail in newer versions because there are more operators named "#". - pg_ctl: Add promote wait option to help output
Peter Eisentraut
Recent Activity
- Rationalize parallel dump/restore's handling of worker cmd/status messages
Tom Lane: The existing APIs for creating and parsing command and status messages are rather messy; for example, archive-format modules have to provide code for constructing command messages, which is entirely pointless since the code to read them is hard-wired in WaitForCommands() and hence no format-specific variation is actually possible. - Replace the built-in GIN array opclasses with a single polymorphic opclass
Tom Lane: We had thirty different GIN array opclasses sharing the same operators and support functions. - Refactor script execution state machine in pgbench
Heikki Linnakangas: The doCustom() function had grown into quite a mess. - Do a final round of updates on the 9.6 release notes
Tom Lane: Set release date, document a few recent commits, do one last pass of copy-editing. - Doc: fix examples of # operators so they actually work
Tom Lane: These worked as-is until around 7.0, but fail in newer versions because there are more operators named "#". - pg_ctl: Add promote wait option to help output
Peter Eisentraut - pg_ctl: Add wait option to promote action
Peter Eisentraut: When waiting is selected for the promote action, look into pg_control until the state changes, then use the PQping-based waiting until the server is reachable. - Add more parallel query documentation
Robert Haas: Previously, the individual settings were documented, but there was no overall discussion of the capabilities and limitations of the feature. - Add debugging aid "bmsToString(Bitmapset *bms)".
Tom Lane: This function has no direct callers at present, but it's convenient for manual use in a debugger, rather than having to inspect memory and do bit-counting in your head. In passing, get rid of useless outBitmapset() wrapper around _outBitmapset(); let's just export the function that does the work. - Allow CREATE EXTENSION to follow extension update paths
Tom Lane: Previously, to update an extension you had to produce both a version-update script and a new base installation script.
PostgreSQL Release Tags
- Automate the maintenance of SO_MINOR_VERSION for our shared libraries
Tom Lane: Up to now we've manually adjusted these numbers in several different Makefiles at the start of each development cycle. - Advance PG_CONTROL_VERSION.
Tom Lane: This should have been done in commit 73c986adde5d73a5 which added several new fields to pg_control, and again in commit 5028f22f6eb05798 which changed the CRC algorithm, but it wasn't. - Tab complete CREATE EXTENSION .. VERSION.
Robert Haas: Jeff Janes - Bump PG_CONTROL_VERSION for previous 9.4 changes
Tom Lane: This should have been done in 6bc8ef0b7f1f1df3998745a66e1790e27424aa0c and/or 50e547096c4858a68abf09894667a542cc418315, but better late than never.
Most Popular In The Past Month
- Add more parallel query documentation
Robert Haas: Previously, the individual settings were documented, but there was no overall discussion of the capabilities and limitations of the feature. - Speed up SUM calculation in numeric aggregates
Heikki Linnakangas: This introduces a numeric sum accumulator, which performs better than repeatedly calling add_var(). - Update release notes to mention need for ALTER EXTENSION UPDATE.
Tom Lane: Maybe we ought to make pg_upgrade do this for you, but it won't happen in 9. - Relax transactional restrictions on ALTER TYPE ... ADD VALUE.
Tom Lane: To prevent possibly breaking indexes on enum columns, we must keep uncommitted enum values from getting stored in tables, unless we can be sure that any such column is new in the current transaction. Formerly, we enforced this by disallowing ALTER TYPE ... - Support multiple iterators in the Red-Black Tree implementation
Heikki Linnakangas: While we don't need multiple iterators at the moment, the interface is nicer and less dangerous this way. - Make locale-dependent regex character classes work for large char codes
Tom Lane: Previously, we failed to recognize Unicode characters above U+7FF as being members of locale-dependent character classes such as [[:alpha:]]. - Don't require dynamic timezone abbreviations to match underlying time zone
Tom Lane: Previously, we threw an error if a dynamic timezone abbreviation did not match any abbreviation recorded in the referenced IANA time zone entry. - Convert PageAddItem into a macro to save a few cycles
Tom Lane: Nowadays this is just a backwards-compatibility wrapper around PageAddItemExtended, so let's avoid the extra level of function call. - 9.6 release notes: correct summary item about freeze
Bruce Momjian: Previously it less precisely talked about autovacuum. - Remove support for OpenSSL versions older than 0.9.8.
Heikki Linnakangas: OpenSSL officially only supports 1.0.1 and newer.