Context You want to update the same column for multiple records in one query and set different values for each record. Example: class Car < ActiveRecord::Base # has attributes: ...
Context You want to update the same column for multiple records in one query and set different values for each record. Example: class Car < ActiveRecord::Base # has attributes: ...
Context You have a column in your table that is used as an array , like this: t.string 'ids', array: true And you want to select all records that have more than N elements i...