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# frozen_string_literal: true
class UpdateTriggerUpdateVulnerabilityReadsOnVulnerabilityUpdate < Gitlab::Database::Migration[2.0]
include Gitlab::Database::SchemaHelpers
TRIGGER_NAME = 'trigger_update_vulnerability_reads_on_vulnerability_update'
FUNCTION_NAME = 'update_vulnerability_reads_from_vulnerability'
enable_lock_retries!
def up
drop_trigger(:vulnerabilities, TRIGGER_NAME)
# If the vulnerability record was not already marked as `present_on_default_branch`,
# we shouldn't try to update `vulnerability_records` since there will be no records
# anyway.
execute(<<~SQL)
CREATE TRIGGER #{TRIGGER_NAME}
AFTER UPDATE ON vulnerabilities
FOR EACH ROW
WHEN (
OLD.present_on_default_branch IS TRUE AND
(
OLD.severity IS DISTINCT FROM NEW.severity OR
OLD.state IS DISTINCT FROM NEW.state OR
OLD.resolved_on_default_branch IS DISTINCT FROM NEW.resolved_on_default_branch
)
)
EXECUTE PROCEDURE #{FUNCTION_NAME}();
SQL
end
def down
drop_trigger(:vulnerabilities, TRIGGER_NAME)
execute(<<~SQL)
CREATE TRIGGER #{TRIGGER_NAME}
AFTER UPDATE ON vulnerabilities
FOR EACH ROW
WHEN (
OLD.severity IS DISTINCT FROM NEW.severity OR
OLD.state IS DISTINCT FROM NEW.state OR
OLD.resolved_on_default_branch IS DISTINCT FROM NEW.resolved_on_default_branch
)
EXECUTE PROCEDURE #{FUNCTION_NAME}();
SQL
end
end
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