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PostgreSQL
PostgeSQL is a leading open-source SQL database server.
Yesterday's Activity
- Fix Gin README.
Heikki Linnakangas: The README incorrectly claimed that GIN posting tree pages contain an array of uncompressed items in addition to compressed posting lists.
Other Activity This Week
- Create function prototype as part of PG_FUNCTION_INFO_V1 macro
Peter Eisentraut: Because of gcc -Wmissing-prototypes, all functions in dynamically loadable modules must have a separate prototype declaration.
Recent Activity
- Fix Gin README.
Heikki Linnakangas: The README incorrectly claimed that GIN posting tree pages contain an array of uncompressed items in addition to compressed posting lists. - Create function prototype as part of PG_FUNCTION_INFO_V1 macro
Peter Eisentraut: Because of gcc -Wmissing-prototypes, all functions in dynamically loadable modules must have a separate prototype declaration. - Provide moving-aggregate support for boolean aggregates
Tom Lane - Provide moving-aggregate support for a bunch of numerical aggregates
Tom Lane: First installment of the promised moving-aggregate support in built-in aggregates: count(), sum(), avg(), stddev() and variance() for assorted datatypes, though not for float4/float8. In passing, remove a 2001-vintage kluge in interval_accum(): interval array elements have been properly aligned since around 2003, but nobody remembered to take out this workaround. - Create infrastructure for moving-aggregate optimization
Tom Lane: Until now, when executing an aggregate function as a window function within a window with moving frame start (that is, any frame start mode except UNBOUNDED PRECEDING), we had to recalculate the aggregate from scratch each time the frame head moved. - Add an in-core GiST index opclass for inet/cidr types
Tom Lane: This operator class can accelerate subnet/supernet tests as well as btree-equivalent ordered comparisons. - Block signals earlier during postmaster startup
Tom Lane: Formerly, we set up the postmaster's signal handling only when we were about to start launching subprocesses. - Avoid promising that "ADD COLUMN ... DEFAULT NULL" is free
Tom Lane: The system realizes that DEFAULT NULL is dummy in simple cases, but not if a cast function (such as a length coercion) needs to be applied. - Add -f/--follow option to pg_xlogdump
Heikki Linnakangas: This is useful for seeing what WAL records are inserted in real-time, by pointing pg_xlogdump to a live server. - Documentation for logical decoding
Robert Haas: Craig Ringer, Andres Freund, Christian Kruse, with edits by me.
Most Popular In The Past Month
- Add -f/--follow option to pg_xlogdump
Heikki Linnakangas: This is useful for seeing what WAL records are inserted in real-time, by pointing pg_xlogdump to a live server. - Block signals earlier during postmaster startup
Tom Lane: Formerly, we set up the postmaster's signal handling only when we were about to start launching subprocesses. - Add an in-core GiST index opclass for inet/cidr types
Tom Lane: This operator class can accelerate subnet/supernet tests as well as btree-equivalent ordered comparisons. - Avoid promising that "ADD COLUMN ... DEFAULT NULL" is free
Tom Lane: The system realizes that DEFAULT NULL is dummy in simple cases, but not if a cast function (such as a length coercion) needs to be applied. - Create infrastructure for moving-aggregate optimization
Tom Lane: Until now, when executing an aggregate function as a window function within a window with moving frame start (that is, any frame start mode except UNBOUNDED PRECEDING), we had to recalculate the aggregate from scratch each time the frame head moved. - Provide moving-aggregate support for a bunch of numerical aggregates
Tom Lane: First installment of the promised moving-aggregate support in built-in aggregates: count(), sum(), avg(), stddev() and variance() for assorted datatypes, though not for float4/float8. In passing, remove a 2001-vintage kluge in interval_accum(): interval array elements have been properly aligned since around 2003, but nobody remembered to take out this workaround. - Provide moving-aggregate support for boolean aggregates
Tom Lane - Create function prototype as part of PG_FUNCTION_INFO_V1 macro
Peter Eisentraut: Because of gcc -Wmissing-prototypes, all functions in dynamically loadable modules must have a separate prototype declaration. - Fix Gin README.
Heikki Linnakangas: The README incorrectly claimed that GIN posting tree pages contain an array of uncompressed items in addition to compressed posting lists.