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# frozen_string_literal: true
class CreateVulnerabilityReadsForAnExistingVulnerabilityRecord < Gitlab::Database::Migration[2.0]
include Gitlab::Database::SchemaHelpers
FUNCTION_NAME = 'insert_vulnerability_reads_from_vulnerability'
TRIGGER_NAME = 'trigger_insert_vulnerability_reads_from_vulnerability'
enable_lock_retries!
def up
execute(<<~SQL)
CREATE OR REPLACE FUNCTION #{FUNCTION_NAME}() RETURNS trigger
LANGUAGE plpgsql
AS $$
DECLARE
scanner_id bigint;
uuid uuid;
location_image text;
cluster_agent_id text;
casted_cluster_agent_id bigint;
BEGIN
SELECT
v_o.scanner_id, v_o.uuid, v_o.location->>'image', v_o.location->'kubernetes_resource'->>'agent_id', CAST(v_o.location->'kubernetes_resource'->>'agent_id' AS bigint)
INTO
scanner_id, uuid, location_image, cluster_agent_id, casted_cluster_agent_id
FROM
vulnerability_occurrences v_o
WHERE
v_o.vulnerability_id = NEW.id
LIMIT 1;
INSERT INTO vulnerability_reads (vulnerability_id, project_id, scanner_id, report_type, severity, state, resolved_on_default_branch, uuid, location_image, cluster_agent_id, casted_cluster_agent_id)
VALUES (NEW.id, NEW.project_id, scanner_id, NEW.report_type, NEW.severity, NEW.state, NEW.resolved_on_default_branch, uuid::uuid, location_image, cluster_agent_id, casted_cluster_agent_id)
ON CONFLICT(vulnerability_id) DO NOTHING;
RETURN NULL;
END
$$;
SQL
execute(<<~SQL)
DROP TRIGGER IF EXISTS #{TRIGGER_NAME} ON vulnerabilities;
SQL
execute(<<~SQL)
CREATE TRIGGER #{TRIGGER_NAME}
AFTER UPDATE ON vulnerabilities
FOR EACH ROW
WHEN (
OLD.present_on_default_branch IS NOT true AND NEW.present_on_default_branch IS true
)
EXECUTE PROCEDURE #{FUNCTION_NAME}();
SQL
end
def down
drop_trigger(:vulnerabilities, TRIGGER_NAME)
drop_function(FUNCTION_NAME)
end
end
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