Version Information

Server Version: Hasura 2.8
CLI Version (for CLI related issue): Hasura 2.8

Environment

Official Docker image

What is the expected behaviour?

Tracking a table

What is the current behaviour?

Tables which contain a unique index with TRIM() results in an error when trying to track that table.

"error": "Error in $['unique_constraints'][0].columns: parsing [] failed, expected Array, but encountered Null",

How to reproduce the issue?

1. Create a table with an unique index:

CREATE UNIQUE INDEX test_key ON "users" (trim(first_name))

2. track that table in hasura