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

CREATE VIEW fullActiveCollectors AS
    SELECT DISTINCT c.id, c.jobId, coalesce(cv.minCleanVersion, 0) as minCleanVersion, coalesce(cv.minTextVersion, 0) as 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
    coll as (
        SELECT DISTINCT c.id, c.jobId, q.queryId
        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)
    ),
    collectorQueryDependencyTree AS (
        SELECT cq.id as collectorId, cq.jobId, aqc.id as queryId, aqc.type, aqc.requiredIds, aqc.activeVersion
        FROM coll as cq
        JOIN fullActiveQueries as aqc on cq.queryId = aqc.id

        UNION ALL

        SELECT acq.collectorId, acq.jobId, 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 DISTINCT collectorId, jobId, queryId, type, activeVersion as queryVersion, requiredIds
        FROM collectorQueryDependencyTree;