Migrating EncodeBinary and DecodeBinary to pgxv5

[GonzaloSaez]

Hi all,

We are trying to migrate from pgxv4 to pgxv5 and we are hitting a roadblock when trying to migrate all code that relies on Encode and DecodeBinary implemented for certain go types. We would like to know if there's any guide to perform this migration? I've gone through the doc in pgtype but it's not entirely clear to me which interfaces have to be implemented. Thanks!

[jackc]

There is an architectural change between v4 and v5. In v4, the value type was responsible for encoding and decoding types. In v5 the Codec is. There isn't a migration guide as such, but looking at the v5 implementation of a simpler type like float4 might be helpful.