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# frozen_string_literal: true
class AddUpdateVulnerabilityReadsTrigger < Gitlab::Database::Migration[1.0]
include Gitlab::Database::SchemaHelpers
TRIGGER_NAME = 'trigger_update_vulnerability_reads_on_vulnerability_update'
FUNCTION_NAME = 'update_vulnerability_reads_from_vulnerability'
def up
create_trigger_function(FUNCTION_NAME, replace: true) do
<<~SQL
UPDATE
vulnerability_reads
SET
severity = NEW.severity,
state = NEW.state,
resolved_on_default_branch = NEW.resolved_on_default_branch
WHERE vulnerability_id = NEW.id;
RETURN NULL;
SQL
end
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
def down
drop_trigger(:vulnerabilities, TRIGGER_NAME)
drop_function(FUNCTION_NAME)
end
end
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