We continue the series of articles about new patches coming to PostgreSQL 18, this one covering the news of the November CommitFest.
If you missed the previous reviews, you can check them out here: 2024-07, 2024-09.
- initdb: checksum calculation enabled by default
- Planner: array lookup instead of multiple similar conditions under OR
- Planner: switching around expressions in DISTINCT clauses
- GROUPING SETS: HAVING -> WHERE
- Data type cache entry invalidation and temporary tables
- Planner: incremental sorting during Merge Join
- New function array_reverse
- Functions min and max for the type bytea
- Parallel worker usage statistics
- New function pg_ls_summariesdir
- new contrib module: pg_logicalsnapinspect
- Improved extension installation error messages
- NOT NULL constraints in the system catalog
- A TOAST table for pg_index
- COPY... FROM and file_fdw: rejected row limit
- LIKE support with nondetermenistic collations
- TLS v1.3: cipher suites
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