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class UpateRetriedForCiBuild < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
disable_statement_timeout
with_temporary_partial_index do
update_column_in_batches(:ci_builds, :retried, &method(:retried_query)) do |table, query|
query = query.where(table[:retried].eq(nil))
end
end
end
def down
end
private
def retried_query(table, query, start_id, stop_id)
latest_commits = <<-SQL.strip_heredoc
SELECT DISTINCT ci_builds3.commit_id
FROM ci_builds3
WHERE #{start_id} <= id
SQL
latest_commits = "#{latest_commits} AND id < #{stop_id}" if stop_id
latest_ids = <<-SQL.strip_heredoc
SELECT MAX(ci_builds2.id) FROM ci_builds2
WHERE commit_id IN (#{latest_commits})
GROUP BY commit_id, name
SQL
latest_ids = <<-SQL.strip_heredoc
SELECT * FROM (#{latest_ids}) AS latest_ids
SQL
value = Arel.sql("(ci_builds.id NOT IN (#{latest_ids}))")
query.set([[table[:retried], value]])
end
def with_temporary_partial_index
if Gitlab::Database.postgresql?
execute 'CREATE INDEX CONCURRENTLY IF NOT EXISTS index_for_ci_builds_retried_migration ON ci_builds (id) WHERE retried IS NULL;'
end
yield
if Gitlab::Database.postgresql?
execute 'DROP INDEX CONCURRENTLY IF EXISTS index_for_ci_builds_retried_migration'
end
end
end
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