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- #Postgresql 10 vs 11 how to
- #Postgresql 10 vs 11 serial
- #Postgresql 10 vs 11 update
- #Postgresql 10 vs 11 upgrade
Heroku has a detailed (yet simple) guide on how to do it.
#Postgresql 10 vs 11 upgrade
Some of these are truly awesome! How to upgrade on Heroku Progress monitoring on CREATE INDEX and CREATE INDEX CONCURRENTLY: when a index is being created on a big column, you can ask PostgreSQL to tell you how far along the creation is.Generated columns allow the user to create computed columns as a result of operations on other columns, like views but on a column.Add a partial support for the SQL standard "JSON path", which allows querying jsonb columns in a standard and easier way than existing JSON operators.Useful in case of related data that's queried all the time with the indexed column(s) What's new in PostgreSQL 12Īside for many bug, performance and security fixes these are some relevant news from PostgreSQL 12 that might help DEV: Covering indexesīasically you can attach additional columns to an index, to avoid going back to the heap for the often required columns that are not part of the index itself. PostgreSQL 11 guarantees constant time if asked to add a non null column with a default (a constant default) which means it's unaffected by the table size and runs fast. This is huge! PostgreSQL addition of a column is affected by the size of the table itself because it essentially has to rewrite the table. Parallel creations of b-tree indexes (CREATE INDEX)ĪLTER TABLE ADD COLUMN NOT NULL with DEFAULT runs in constant time.parallel hash joins (helps with inner joins).What's new in PostgreSQL 11Īside from many bug, performance and security fixes these are some relevant news from PostgreSQL 11 that might help DEV: Improved support for parallel operations
#Postgresql 10 vs 11 serial
They added the type IDENTITY which is similar to the data type SERIAL but is compliant with the SQL standard. Pg_stat_activity shows the background processes operating on the DB and more information about what's going on. it's also possible to customize the number of parallel workers in a single query (defaults to 8).the support for parallel index scans has been improved.Some types of joins and index scans are executed in parallel: They have done a lot of work improving parallelism for queries. "The Tattooed Duke " "She Tempts the Duke " "The Duke Is Mine " "What I Did For a Duke " Improved parallel queries WHERE to_tsvector( 'english ',bookdata) to_tsquery( 'duke ') SELECT bookdata - > 'title ' FROM bookdata What's new in PostgreSQL 10Īside for many bug, performance and security fixes these are some relevant news from PostgreSQL 10 that might help DEV: Full text search on json columnsįTS in PostgreSQL is already a cool feature, but now it's possible to search json/jsonb columns as well (example taken from ): Such paralellism has been greatly expanded in versions 10, 11 and 12. This is self explanatory, PostgreSQL 9.6 is the first major version to introduce paralellism in queries and aggregations.
#Postgresql 10 vs 11 update
ON CONFLICT DO UPDATE is done atomically, so both the insert and the update are a single operation What's new in PostgreSQL 9.6Īside for many bug, performance and security fixes these are some relevant news from PostgreSQL 9.6 that might help DEV: Parallel execution of sequential scans, joins and aggregates The guarantee that PostgreSQL 9.5 makes is that an INSERT. What's new in PostgreSQL 9.5Īside for many bug, performance and security fixes these are some relevant news from PostgreSQL 9.5 that might help DEV: INSERTs that ON CONFLICT can be transformed into UPDATEs
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I've used PostgreSQL for many years and I've always found it extremely stable, I've also been using DEV locally with PostgreSQL 11 since its release in October 2018 without any issue. I omitted main news like logical replication (replication of a subset of tables) and hash partitioning (partitioning data with roughly evenly distributed partitions) because I believe they are not relevant right now, though they might matter in the future. I've chosen to highlight features that might benefit DEV in the short term.