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ChangeLog.md

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Unreleased

Added features

  • Added pgSelectWith, a combinator like selectWith which allows to nest common table expressions in subqueries (#720).

Bug fixes

  • Added the ability to migrate Postgres' array types (#354).
  • Remove dependency on haskell-src-exts, which was not in use anymore.

0.5.4.2

Bug fixes

  • Fixed an issue where columns of type Maybe (Vector a) did not marshall correctly from the database. In particular, querying a Nothing would return Just (Vector.fromList []) instead (#692).

0.5.4.1

Bug fixes

  • Fixed an issue where inexact numeric literals (e.g. Haskell type Double) were implicitly converted to Postgres NUMERIC, triggering a runtime conversion error (#700).

0.5.4.0

Added features

  • Better error messages on column type mismatches (#696).
  • Added support for creating and dropping database schemas and associated tables with createDatabaseSchema, dropDatabaseSchema, and createTableWithSchema (#716).

Documentation

  • Make runBeamPostgres and runBeamPostgresDebug easier to find (#663).

0.5.3.1

Added features

  • Loosen some version bounds

0.5.3.0

Bug fixes

  • Make sure lateral join names do not overlap
  • Fix bool_or

Addded features

  • Add runSelectReturningFirst
  • IN (SELECT ...) syntax via inQuery_

0.5.2.1

Added features

  • Aeson 2.0 support

0.5.2.0

Added features

  • New conduit streaming variants which work directly in MonadResource
  • Heterogeneous variant of ilike_: ilike_'
  • Postgres-specific EXTRACT fields
  • GHC 9.2 and 9.0 support

Bug fixes

  • Throw correct exception for row errors in conduit implementation
  • Support emitting UUID values in context where type cannot be inferred by Postgres

0.5.1.0

Added features

  • MonadBase and MonadBaseControl instances for Pg

Bug fixes

  • Fix possible memory corruption by copying row data
  • Remove invalid parentheses emitted by pgUnnest

0.5.0.0

Interface changes

  • Removed instances for machine-dependent ambiguous integer types Int and Word
  • Fixed types for some functions that only work with jsonb and not json

Added features

  • Support for in_ on row values
  • Various Postgres regex functions
  • Expose fromPgIntegral and fromPgScientificOrIntegral
  • Add liftIOWithHandle :: (Connection -> IO a) -> Pg a
  • Add getDbConstraintsForSchemas to get constraints without relying on the state of the connection
  • Poly-kinded instances for Data.Tagged.Tagged
  • Add HasDefaultDatatype for UTCTime
  • Support for specifically-sized SqlSerial integers (smallserial, serial, bigserial)
  • Predicate detection for extensions
  • pgArrayToJson for array_to_json
  • Extension definition and all functions provided by uuid-ossp
  • GHC 8.8 support

Bug fixes

  • Only detect primary keys of tables in visible schemas
  • Fix emitting of DECIMAL type
  • Report JSON correct decoding errors instead of throwing UnexpectedNull

Behavior changes

  • runReturningOne and runResturningList now fetch all rows at once instead of using cursors

0.4.0.0

0.3.2.0

Add Semigroup instances to prepare for GHC 8.4 and Stackage nightly

0.3.1.0

Add runBeamPostgres and runBeamPostgresDebug functions.

0.3.0.0

Initial hackage beam-postgres