System.NotSupportedException : The field 'timestamp_field' has a type currently unknown to Npgsql (OID 1114/1115)

[amotl]

Tests on CI fail at two spots with:

System.NotSupportedException : The field 'timestamp_field' has a type currently unknown to Npgsql (OID 1114).
System.NotSupportedException : The field 'timestamp_array' has a type currently unknown to Npgsql (OID 1115).

Originally posted by @amotl in #66 (comment)

[amotl]

The vanilla driver has corresponding references to OID 1114 and OID 1115 here:

• PostgresTypeOIDs.cs#L48
• NpgsqlDbType.cs#L217-L222

[amotl]

Probably related?

• Documentation: Fix table of available data types for the HTTP interface crate#13072