query-orchestration/database/migrations/00000000000101_collector_views.up.sql

CREATE VIEW fullActiveCollectors AS
    SELECT DISTINCT c.id, c.jobId, cv.minCleanVersion, cv.minTextVersion, c.activeVersion, c.latestVersion,
        jsonb_object_agg(q.name, q.queryId) FILTER (WHERE q.name is not null) AS fields
    FROM collectors AS c
    LEFT JOIN collectorCodeVersions AS cv ON c.id = cv.collectorId
        AND c.activeVersion >= cv.addedVersion
        and c.activeVersion < COALESCE(cv.removedVersion, c.activeVersion + 1)
    LEFT JOIN collectorQueries AS q ON c.id = q.collectorId
        AND c.activeVersion >= q.addedVersion
        and c.activeVersion < COALESCE(q.removedVersion, c.activeVersion + 1)
    GROUP BY c.id, c.jobId, cv.minCleanVersion, cv.minTextVersion;

CREATE VIEW collectorQueryDependencyTree AS
    WITH RECURSIVE collectorQueryDependencyTree AS (
        SELECT cq.id as collectorId, aqc.id as queryId, aqc.type, aqc.requiredIds, aqc.activeVersion
        FROM fullActiveQueries as aqc
        LEFT JOIN (
                SELECT DISTINCT c.id, array_agg(q.queryId) as queryIds
                FROM collectors as c
                LEFT JOIN collectorQueries as q ON c.id = q.collectorId
                    AND c.activeVersion >= q.addedVersion
                    and c.activeVersion < COALESCE(q.removedVersion, c.activeVersion + 1)
                GROUP BY c.id
            ) as cq ON aqc.id = any(cq.queryIds)

        UNION ALL

        SELECT acq.collectorId, q.id as queryId, q.type, q.requiredIds, q.activeVersion
        FROM fullActiveQueries as q
        JOIN collectorQueryDependencyTree as acq on q.id = ANY(acq.requiredIds)
    )
    SELECT collectorId, queryId, type, activeVersion as queryVersion, requiredIds::uuid[]
        FROM collectorQueryDependencyTree;