graphql-engine

This note is in Hasura.Backends.Postgres.SQL.Value. It is referenced at:

• line 857 of Hasura.Backends.Postgres.SQL.Types
• line 371 of Hasura.Backends.Postgres.SQL.Value

Type casting prepared params

Prepared values are passed to Postgres via text encoding. Explicit type cast for prepared params is needed to distinguish the column types. For example, the parameter for citext column type is generated as ($i)::citext where ‘i’ is parameter position (integer).

Also see https://github.com/hasura/graphql-engine/issues/2818

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