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This introduces an `ErrorMessage` newtype which wraps `Text` in a manner which is designed to be easy to construct, and difficult to deconstruct. It provides functionality similar to `Data.Text.Extended`, but designed _only_ for error messages. Error messages are constructed through `fromString`, concatenation, or the `toErrorValue` function, which is designed to be overridden for all meaningful domain types that might show up in an error message. Notably, there are not and should never be instances of `ToErrorValue` for `String`, `Text`, `Int`, etc. This is so that we correctly represent the value in a way that is specific to its type. For example, all `Name` values (from the _graphql-parser-hs_ library) are single-quoted now; no exceptions. I have mostly had to add `instance ToErrorValue` for various backend types (and also add newtypes where necessary). Some of these are not strictly necessary for this changeset, as I had bigger aspirations when I started. These aspirations have been tempered by trying and failing twice. As such, in this changeset, I have started by introducing this type to the `parseError` and `parseErrorWith` functions. In the future, I would like to extend this to the `QErr` record and the various `throwError` functions, but this is a much larger task and should probably be done in stages. For now, `toErrorMessage` and `fromErrorMessage` are provided for conversion to and from `Text`, but the intent is to stop exporting these once all error messages are converted to the new type. PR-URL: https://github.com/hasura/graphql-engine-mono/pull/5018 GitOrigin-RevId: 84b37e238992e4312255a87ca44f41af65e2d89a |
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| .. | ||
| actions | ||
| compression | ||
| endpoints | ||
| event_triggers | ||
| explain | ||
| graphql_introspection | ||
| graphql_mutation | ||
| graphql_query | ||
| graphql_validation | ||
| heterogeneous | ||
| horizontal_scale/basic | ||
| inconsistent_objects | ||
| logging | ||
| naming_conventions | ||
| openapi | ||
| query_cache | ||
| remote_schemas | ||
| scheduled_triggers | ||
| schema/duplication | ||
| subscriptions | ||
| unauthorized_role | ||
| v1 | ||
| v2 | ||
| webhooks/request_context | ||
| clear_db_bigquery.yaml | ||
| clear_db_citus.yaml | ||
| clear_db_mssql.yaml | ||
| clear_db.yaml | ||