ruby - ActiveRecord NullDB adapter not loading tables/columns -

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i trying use nulldb database adapter create/run specs external database. dont want query external database specs want use nulldb instead.

the problem is: created seperate schema.rb file should used nulldb, set nulldb adapter , schema.rb path in config test env, but, models dont have columns, therefore methods name= failing.

nulldb reads out schema correct , creates tables columns.

nulldbnamespace::product.columns    (4.2ms)  drop table "products"    (9.8ms)  create table "products" ("id" serial primary key, "products_id" integer, "products_model" integer, "products_master" integer, "manufacturers_id" integer, "products_tax_class_id" integer, "products_quantity" integer, "products_evp" decimal(16,8), "products_ean" character varying)     (3.1ms)  drop table "descriptions"    (7.1ms)  create table "descriptions" ("id" serial primary key, "products_id" integer, "language_id" integer, "products_name" character varying, "products_description" text)     (3.1ms)  drop table "languages"    (5.9ms)  create table "languages" ("id" serial primary key, "languages_id" integer, "name" character varying, "code" character varying)

but get

nulldbnamespace::product.columns => []

also there no tables connection:

nulldbnamespace::product.connection.tables => ["schema_info"]

does has idea?


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