graphql-engine/server/src-lib/Hasura/Backends/Postgres/DDL
Antoine Leblanc e3c2bf53a5 Move, document, and prune action types and custom types types.
### Description

This PR is a first step in a series of cleanups of action relationships. This first step does not contain any behavioral change, and it simply reorganizes / prunes / rearranges / documents the code. Mainly:
- it divides some files in RQL.Types between metadata types, schema cache types, execution types;
- it renames some types for consistency;
- it minimizes exports and prunes unnecessary types;
- it moves some types in places where they make more sense;
- it replaces uses of `DMap BackendTag` with `BackendMap`.

Most of the "movement" within files re-organizes declarations in a "top-down" fashion, by moving all TH splices to the end of the file, which avoids order or declarations mattering.

### Optional list types

One main type change this PR makes is a replacement of variant list types in `CustomTypes.hs`; we had `Maybe [a]`, or sometimes `Maybe (NonEmpty a)`. This PR harmonizes all of them to `[a]`, as most of the code would use them as such, by doing `fromMaybe []` or `maybe [] toList`.

PR-URL: https://github.com/hasura/graphql-engine-mono/pull/4613
GitOrigin-RevId: bc624e10df587eba862ff27a5e8021b32d0d78a2
2022-06-07 15:45:00 +00:00
..
Source Yeet some default-extensions 2022-03-16 00:40:17 +00:00
BoolExp.hs Add _cast support for other postgres datatypes fix #6050 and fix #5426 2022-06-01 16:41:49 +00:00
ComputedField.hs server/bigquery: generate graphql schema for table computed fields 2022-05-25 10:25:38 +00:00
EventTrigger.hs server: Use quote_ident for quoting table name when using regclass 2022-05-02 13:16:55 +00:00
Function.hs server: naming conventions for auto generated fields 2022-05-26 11:55:29 +00:00
RunSQL.hs Remove unrelated functions from GraphQL.Schema.Common 2022-05-27 15:41:06 +00:00
Source.hs Move, document, and prune action types and custom types types. 2022-06-07 15:45:00 +00:00
Table.hs Evie/postgres/module docs 2022-02-08 09:25:35 +00:00