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@dimitri dimitri released this 28 Jun 10:49
· 284 commits to main since this release
v0.12
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pgcopydb v0.12 (June 28, 2023)

This is a bugfix release with a strong focus on our logical decoding client.
The support for test_decoding UPDATE messages is improved, and a lot of bugs
related to how we split JSON messages in separate files (same as Postgres
WAL naming) have now been found and fixed.

An important fix has been implemented with respect to how Postgres snapshots
and logical decoding works. The replication command CREATE_REPLICATION_SLOT
is able to export a snapshot but can not import one, which means that
pgcopydb snapshot now has a new --follow command which creates a
replication slot and exports a snapshot to re-use in the rest of the
commands.

Added

  • Add table column list to schema.json. (#315)
  • Improve parsing of UPDATE messages from test_decoding. (#329)
  • Implement pgcopydb list databases. (#270)
  • Implement pgcopydb list progress --summary --json. (#235)
  • Implement the feature to log to file, with support for JSON. (#234)
  • Introduce new option --skip-vacuum. (#230)
  • Implement a --fail-fast option. (#222)

Changed

  • Set statement_timeout and lock_timeout to 0. (#344)
  • Have --skip-extensions also skip pre-existing schemas on the target. (#341)
  • Quote sequence names when checking for privileges. (#326)
  • Use dynamic memory for connection strings handling. (#323)
  • Introduce a new pgcopydb internal message: ENDPOS. (#321)
  • Remove dead code (hostname_from_uri). (#325)
  • Remove unnecessary reading for commit_lsn after reaching startpos. (#318)
  • Switch from semaphores to message queue to share workload. (#305)
  • Use JSON format for work-directory summary files. (#300)
  • At follow mode switch, skip empty transform queues. (#301)
  • When using --trace then enforce logging of the apply SQL statements. (#252)
  • Use dynamic memory for variable length schema parts. (#249)
  • Refrain from logging user data. (#227)
  • Improve logs. (#215)
  • Use OVERRIDING SYSTEM VALUE in INSERT statements in follow mode. (#214)
  • Create new process group for pgcopydb initialization. (#211)
  • Check that we have sequence privileges before selecting metadata. (#212)
  • Only create pgcopydb schema and table_size table when --cache is used. (#210)
  • Switch docs PDF building to xelatex engine. (#209)

Fixed

  • Fix pgcopydb stream cleanup. (#351)
  • Fix transform escape rules for SQL escape syntax, again. (#349)
  • Fix resuming the transform process. (#348)
  • Ensure startpos is updated when closing stream. (#345)
  • Skip importing snapshot we won't use, fix pgsql error handling. (#340)
  • Fix transform to SQL to escape string values. (#337)
  • Fix transforming UPDATE messages WHERE/SET clauses. (#333)
  • Fix schema queries for exclusion filters. (#314)
  • When applying CDC (logical replication), set role to replica. (#308)
  • Add unit testing coverage for "generated as identity" columns. (#309)
  • Fix file rotation issue during streaming. (#298)
  • Fix apply when file starts with non-begin/keepalive statements. (#304)
  • transform: Fix transformation to empty txn when first line is COMMIT. (#303)
  • Fix empty xid and timestamp for continued txn COMMIT messages. (#302)
  • Fix missing data of txns whose BEGIN LSN is less than consistent_point. (#295)
  • Filter out dropped columns (#294)
  • Use column names in COPY statements. (#290)
  • Fix how snapshot are exported when using CDC. (#279)
  • Refrain from early exits on signals when sending messages to queues. (#285)
  • Fix pgsql is_response_ok to accept also PGRES_COPY_BOTH. (#284)
  • Fix off-by-one in size of transform messages array. (#283)
  • Fix double precision out of range during COPY. (#281)
  • Fix the transition between replay operating modes. (#277)
  • Review and fix connection management for sentinel async updates. (#273)
  • Update pgcopydb sentinel's replay_lsn asynchronously. (#267)
  • Count pg_restore --list lines and dimension our array accordingly. (#268)
  • Fix a typo in docs (#261)
  • Assorted streaming fixes, including skipping of empty transactions. (#257)
  • Fix wal2json bytea values. (#253)
  • Transform empty transactions from the JSON to the SQL files. (#251)
  • Fix special characters in SQL queries. (#248)
  • Fix exclude-schema filtering to apply to pg_dump and pg_restore. (#247)
  • Fix Postgres catalog queries that implement sequences filtering. (#246)
  • Fix pgsql_state_is_connection_error. (#244)
  • Fix parsing --fail-fast option, which requires no argument. (#243)
  • Fix command line option log level increments (--verbose --notice). (#233)
  • Fix when we VACUUM ANALYZE. (#228)
  • Fix how we skip concurrent build of certain indexes. (#223)
  • Ensure clean-up of System V resources. (#216)
  • Fix the pgcopydb list collations SQL query. (#213)
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