Comments (2)
You are correct. This is currently a hole in Opaleye's "type system". You will notice there is a similar problem for the ordering operators, (>)
, (>=)
etc.. Your suggested fix is sensible I think.
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Related Issues (20)
- How to aggregate on MaybeFields? HOT 1
- Is there a cast operator? HOT 4
- Expose unsafeCast from Opaleye.Field
- A default `DefaultFromFields` via a type family?
- Why does the GHC 9.0 Action keep failing? HOT 3
- Respond to Brown Benchmark for Table Types
- How to fold a query into an SqlArray if it contains multiple fields? HOT 10
- Should asc/desc/ascNullsFirst/descNullsLast have a less restrictive type? HOT 3
- Bizarre Haddock formatting on Hackage
- Add a test for `filterWhere`
- What's the best way to improve the readability of large select? HOT 4
- More type safety with same field type in a table HOT 7
- `unsafeCoerceField` does not generate expected `CAST` HOT 1
- disallow `orderAggregate` with `distinctAggregator` HOT 10
- What's the status of the TF/HKT approach to avoiding excess type variables? HOT 15
- Working read/write-only fields by truly unhooking them HOT 8
- PostGIS support and/or custom types tutorial
- fromPGS equivalent for toFields HOT 4
- Add saferCast HOT 1
- Field documentation garbled
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