EctoTablestore.Schema.tablestore_schema

You're seeing just the macro tablestore_schema, go back to EctoTablestore.Schema module for more information.
Link to this macro

tablestore_schema(source, list)

View Source (macro)

Due to the previous implements, this macro is reserved to make compatible when :hashids or EctoTablestore.Hashids type defined (changes in 0.13.0).

We may deprecate it in the future, please use Ecto.Schema.schema/2 instead.