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# frozen_string_literal: true
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class AddIndexForCodeOwnerRuleTypeOnApprovalMergeRequestRules < ActiveRecord::Migration[5.1]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
INDEX_CODE_OWNERS_RULES_UNIQUENESS_NAME = 'index_approval_rule_name_for_code_owners_rule_type'
INDEX_CODE_OWNERS_RULES_QUERY_NAME = 'index_approval_rules_code_owners_rule_type'
class ApprovalMergeRequestRule < ActiveRecord::Base
include EachBatch
enum rule_types: {
regular: 1,
code_owner: 2
}
end
def up
# Ensure only 1 code_owner rule per merge_request
add_concurrent_index(
:approval_merge_request_rules,
[:merge_request_id, :rule_type, :name],
unique: true,
where: "rule_type = #{ApprovalMergeRequestRule.rule_types[:code_owner]}",
name: INDEX_CODE_OWNERS_RULES_UNIQUENESS_NAME
)
# Support lookups for all code_owner rules per merge_request
add_concurrent_index(
:approval_merge_request_rules,
[:merge_request_id, :rule_type],
where: "rule_type = #{ApprovalMergeRequestRule.rule_types[:code_owner]}",
name: INDEX_CODE_OWNERS_RULES_QUERY_NAME
)
end
def down
remove_concurrent_index_by_name(
:approval_merge_request_rules,
INDEX_CODE_OWNERS_RULES_UNIQUENESS_NAME
)
remove_concurrent_index_by_name(
:approval_merge_request_rules,
INDEX_CODE_OWNERS_RULES_QUERY_NAME
)
end
end
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