haskell-beam/beam

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A type-safe Haskell SQL library

Stars: 635
Forks: 193
Open beginner issues: 0
Indexed issues: 99

Dominant language: Haskell
License: No license data
Last GitHub push: Jul 27, 2026
Latest indexed: Sep 17, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Open All

99 open issues indexed

Custom query Open

enhancement

haskell-beam/beam#24 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Postgres SERIAL types should result in a not null constraint and default value Open

bug

haskell-beam/beam#25 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Implement a "pure" backend Open

enhancement

haskell-beam/beam#38 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Nullable IsSqlExpressionSyntaxStringType? Open

enhancement

haskell-beam/beam#53 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Possible to use aggregates over nullable columns? Open

bug

haskell-beam/beam#86 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Ergonomics and guidance for sharing queries Open

docs

haskell-beam/beam#90 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Idea: Optimize simple boolean filters Open

enhancement good first issue

haskell-beam/beam#93 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Time operations in postgresql backend don't seem to support arithmetic Open

enhancement

haskell-beam/beam#131 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
DEFAULT can appear in arbitrary expressions Open

bug

haskell-beam/beam#166 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
Support for Prepared and Procedural Statements Open

enhancement good first issue help wanted

haskell-beam/beam#196 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Most backends don't support explicit lists with quantified comparisons Open

haskell-beam/beam#206 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Suggestions Please] Thoughts on how beam could better support testing Open

enhancement help wanted

haskell-beam/beam#216 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[Docs] Copy to clipboard functionality copies prompt characters Open

haskell-beam/beam#225 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Problematic `Nullable` for sub beams Open

haskell-beam/beam#236 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Inference problems with insertions Open

haskell-beam/beam#243 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
How to update Entity ADT inside a migration that is foreign key of another entities Open

enhancement migration-framework

haskell-beam/beam#253 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Documentation: add "custom backend" section Open

docs

haskell-beam/beam#256 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Postgres migrations aren't idempotent Open

migration-framework

haskell-beam/beam#267 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
`beam-migrate simple schema` fails on all but empty database Open

migration-framework

haskell-beam/beam#269 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
beam-postgres: Not possible to UPDATE .. FROM .. RETURNING Open

enhancement

haskell-beam/beam#280 · 1 comment · 5 reactions · 0 assignees · Indexed Sep 17, 2026
beam-sqlite: Bug in code generation for "EXISTS" subquery Open

bug

haskell-beam/beam#284 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Postgres preferring DROP then ADD to RENAME for columns Open

bug migration-framework

haskell-beam/beam#285 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Is it possible to derive the arguments for "createTable" from a "DatabaseSettings"+"Table" instance? Open

haskell-beam/beam#303 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
postgres composition type support Open

haskell-beam/beam#309 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Migrations: default_ not working for timestamp Open

migration-framework

haskell-beam/beam#313 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Generalise concat_ to work for IsSqlExpressionSyntaxStringTypes Open

enhancement

haskell-beam/beam#321 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Postgres Int64 "sum_" query throws "Incompatible" exception Open

bug

haskell-beam/beam#324 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
VALUES produces invalid SQLite query Open

bug critical

haskell-beam/beam#326 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Lone left join doesn't compile to left join Open

haskell-beam/beam#332 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
SQLite BINARY field should map to a byte array. Open

haskell-beam/beam#340 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Literal expressions fail to parse when returned from Postgres query Open

bug

haskell-beam/beam#348 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Document beam-migrate tool Open

docs migration-framework

haskell-beam/beam#352 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Many backends do not support aliasing columns in join constraints Open

enhancement

haskell-beam/beam#358 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
defaultDbSettings slow to build in release mode Open

haskell-beam/beam#359 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Pg full combination between anyConflict and conflict set all isn't accepted by postgres Open

bug

haskell-beam/beam#362 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
insertExpressions cannot `val_` lexical captures Open

haskell-beam/beam#364 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
MonadIO constraint for runBeamSqlite Open

enhancement

haskell-beam/beam#366 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
runSelectReturningOne should not return Nothing for more than one row Open

haskell-beam/beam#367 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Query documentation could use an example on how to compare column with dynamic value Open

docs

haskell-beam/beam#369 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
solver should complain if it encounters conflicting names instead proceeding to an impossible, exhaustive search Open

bug critical migration-framework

haskell-beam/beam#377 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Postgres range types with beam-migrate Open

enhancement migration-framework

haskell-beam/beam#382 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add flag to ignore extraneous tables when auto-migrating Open

enhancement migration-framework

haskell-beam/beam#386 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Integrate beam with the moto package Open

enhancement migration-framework

haskell-beam/beam#387 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Feature Request: inQuery_ Open

enhancement

haskell-beam/beam#392 · 4 comments · 1 reaction · 1 assignee · Indexed Sep 17, 2026
Compatibility with Postgres enumerations Open

docs enhancement

haskell-beam/beam#393 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 17, 2026
haskellSchema generates import statements that are not up to date with the rest of the library Open

bug

haskell-beam/beam#395 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Models docs doesn't contain mentioned column tags table Open

docs

haskell-beam/beam#410 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Compatibility with recent version of resourcet with MonadUnliftIO Open

haskell-beam/beam#411 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add combinator for ordering by primary keys Open

enhancement

haskell-beam/beam#432 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add type for returning arbitrary size tuples Open

enhancement

haskell-beam/beam#450 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

haskell-beam/beam

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