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# frozen_string_literal: true
class ScheduleBackfillDraftStatusOnMergeRequestsCorrectedRegex < Gitlab::Database::Migration[1.0]
INDEX_NAME = "tmp_index_merge_requests_draft_and_status"
MIGRATION = "BackfillDraftStatusOnMergeRequestsWithCorrectedRegex"
DELAY_INTERVAL = 2.minutes
BATCH_SIZE = 50
CORRECTED_REGEXP_STR = "^(\\[draft\\]|\\(draft\\)|draft:|draft|\\[WIP\\]|WIP:|WIP)"
disable_ddl_transaction!
def up
add_concurrent_index :merge_requests, :id,
where: "draft = false AND state_id = 1 AND ((title)::text ~* '#{CORRECTED_REGEXP_STR}'::text)",
name: INDEX_NAME
eligible_mrs = MergeRequest.where(state_id: 1)
.where(draft: false)
.where("title ~* ?", CORRECTED_REGEXP_STR)
queue_background_migration_jobs_by_range_at_intervals(
eligible_mrs,
MIGRATION,
DELAY_INTERVAL,
track_jobs: true,
batch_size: BATCH_SIZE
)
end
def down
remove_concurrent_index_by_name :merge_requests, INDEX_NAME
end
end
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