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da8f6981d4
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5 Commits

Author SHA1 Message Date
Vladimir Ciobanu
da8f6981d4 server: reduce the number of backend dispatches 
Fixes https://github.com/hasura/graphql-engine-mono/issues/712

Main point of interest: the `Hasura.SQL.Backend` module.

This PR creates an `Exists` type indexed by indexed type and packed constraint while hiding all of its complexity by not exporting the constructor.

Existential constructors/types which are no longer (directly) existential:
- [X] BackendSourceInfo :: BackendSourceInfo
- [x] BackendSourceMetadata :: BackendSourceMetadata
- [x] MOSourceObjId :: MetadatObjId
- [x] SOSourceObj :: SchemaObjId
- [x] RFDB :: RootField
- [x] LQP :: LiveQueryPlan
- [x] ExecutionStep :: ExecStepDB

This PR also removes ALL usages of `Typeable.cast` from our codebase. We still need to derive `Typeable` in a few places in order to be able to derive `Data` in one place. I have not dug deeper to see why this is needed.

GitOrigin-RevId: bb47e957192e4bb0af4c4116aee7bb92f7983445
 2021-03-15 13:03:55 +00:00
Rakesh Emmadi
9ef603360c server: generalize schema cache building (#496) 
Co-authored-by: Vamshi Surabhi <vamshi@hasura.io>
Co-authored-by: Vladimir Ciobanu <admin@cvlad.info>
Co-authored-by: Antoine Leblanc <antoine@hasura.io>
Co-authored-by: Stylish Haskell Bot <stylish-haskell@users.noreply.github.com>
GitOrigin-RevId: 9d631878037637f3ed2994b5d0525efd978f7b8f
 2021-02-14 06:08:46 +00:00
Rakesh Emmadi
29f2ddc289 server: support separate metadata database and server code setup for multi sources (#197) 
This is an incremental PR towards https://github.com/hasura/graphql-engine/pull/5797

Co-authored-by: Anon Ray <ecthiender@users.noreply.github.com>
GitOrigin-RevId: a6cb8c239b2ff840a0095e78845f682af0e588a9
 2020-12-28 12:56:55 +00:00
Auke Booij
84f2991c3d server: schema cache generation generalization (#213) 
Generalize TableCoreInfoRM, TableCoreCacheRT, some table metadata data types, generalize fromPGCol to fromCol, generalize some schema cache functions, prepare some enum schema cache code for generalization

GitOrigin-RevId: a65112bc1688e00fd707d27af087cb2585961da2
 2020-12-17 11:38:15 +00:00
Rakesh Emmadi
a2cf9a53c2 server: move to storing metadata as a json blob (#115) 
GitOrigin-RevId: 3d1a7618a4ec086c2d255549a6c15087201e9ab0
 2020-12-08 14:23:28 +00:00