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# frozen_string_literal: true
class DropExperimentSubjectsTable < Gitlab::Database::Migration[2.0]
def up
drop_table :experiment_subjects, if_exists: true
end
def down
unless table_exists?(:experiment_subjects)
create_table :experiment_subjects do |t| # rubocop:disable Migration/SchemaAdditionMethodsNoPost
t.bigint :experiment_id, null: false
t.bigint :user_id
t.bigint :project_id
t.integer :variant, limit: 2, null: false, default: 0
t.timestamps_with_timezone null: false
t.datetime_with_timezone :converted_at
t.jsonb :context, null: false, default: {}
t.bigint :namespace_id
t.index :experiment_id
t.index :namespace_id
t.index :project_id
t.index :user_id
end
end
# Require exactly one of user_id, group_id, or project_id to be NOT NULL
execute <<-SQL
ALTER TABLE experiment_subjects ADD CONSTRAINT check_f6411bc4b5 CHECK (num_nonnulls(user_id, namespace_id, project_id) = 1);
SQL
end
end
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