35 lines
922 B
Ruby
35 lines
922 B
Ruby
# frozen_string_literal: true
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# This migration adds temporary indexes to state_id column of issues
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# and merge_requests tables. It will be used only to peform the scheduling
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# for populating state_id in a post migrate and will be removed after it.
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# Check: ScheduleSyncIssuablesStateIdWhereNil.
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class AddTemporaryIndexesToStateId < ActiveRecord::Migration[5.1]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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%w(issues merge_requests).each do |table|
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add_concurrent_index(
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table,
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'id',
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name: index_name_for(table),
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where: "state_id IS NULL"
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)
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end
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end
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def down
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remove_concurrent_index_by_name(:issues, index_name_for("issues"))
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remove_concurrent_index_by_name(:merge_requests, index_name_for("merge_requests"))
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end
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def index_name_for(table)
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"idx_on_#{table}_where_state_id_is_null"
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end
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end
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