11 lines
425 B
Ruby
11 lines
425 B
Ruby
class AddCourseIdToSubmissions < ActiveRecord::Migration[5.2]
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tag :predeploy
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disable_ddl_transaction!
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def change
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fk = connection.send(:foreign_key_name, "submissions", :column => "course_id")
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execute("ALTER TABLE #{Submission.quoted_table_name} ADD COLUMN course_id bigint CONSTRAINT #{fk} REFERENCES #{Course.quoted_table_name}(id)")
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add_index :submissions, :course_id, algorithm: :concurrently
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end
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end
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