mirror of
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88 lines
3.1 KiB
Go
88 lines
3.1 KiB
Go
package dashverimpl
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import (
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"context"
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"database/sql"
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"errors"
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"strings"
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dashver "github.com/grafana/grafana/pkg/services/dashboardversion"
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"github.com/grafana/grafana/pkg/services/sqlstore/session"
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)
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type sqlxStore struct {
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sess *session.SessionDB
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}
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func (ss *sqlxStore) Get(ctx context.Context, query *dashver.GetDashboardVersionQuery) (*dashver.DashboardVersion, error) {
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var version dashver.DashboardVersion
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qr := `SELECT dashboard_version.*
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FROM dashboard_version
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LEFT JOIN dashboard ON dashboard.id=dashboard_version.dashboard_id
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WHERE dashboard_version.dashboard_id=? AND dashboard_version.version=? AND dashboard.org_id=?
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`
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err := ss.sess.Get(ctx, &version, qr, query.DashboardID, query.Version, query.OrgID)
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if err != nil && errors.Is(err, sql.ErrNoRows) {
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return nil, dashver.ErrDashboardVersionNotFound
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}
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return &version, err
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}
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func (ss *sqlxStore) GetBatch(ctx context.Context, cmd *dashver.DeleteExpiredVersionsCommand, perBatch int, versionsToKeep int) ([]interface{}, error) {
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var versionIds []interface{}
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versionIdsToDeleteQuery := `SELECT id
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FROM dashboard_version, (
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SELECT dashboard_id, count(version) as count, min(version) as min
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FROM dashboard_version
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GROUP BY dashboard_id
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) AS vtd
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WHERE dashboard_version.dashboard_id=vtd.dashboard_id
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AND version < vtd.min + vtd.count - ?
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LIMIT ?`
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err := ss.sess.Get(ctx, &versionIds, versionIdsToDeleteQuery, versionsToKeep, perBatch)
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return versionIds, err
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}
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// This service is used by cleanup which need to belong to the same transaction
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// Here we need to make sure that the transaction is shared between services
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func (ss *sqlxStore) DeleteBatch(ctx context.Context, cmd *dashver.DeleteExpiredVersionsCommand, versionIdsToDelete []interface{}) (int64, error) {
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var deleted int64
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err := ss.sess.WithTransaction(ctx, func(tx *session.SessionTx) error {
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deleteExpiredSQL := `DELETE FROM dashboard_version WHERE id IN (?` + strings.Repeat(",?", len(versionIdsToDelete)-1) + `)`
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expiredResponse, err := tx.Exec(ctx, deleteExpiredSQL, versionIdsToDelete...)
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if err != nil {
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return err
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}
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deleted, err = expiredResponse.RowsAffected()
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return err
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})
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return deleted, err
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}
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func (ss *sqlxStore) List(ctx context.Context, query *dashver.ListDashboardVersionsQuery) ([]*dashver.DashboardVersionDTO, error) {
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var dashboardVersion []*dashver.DashboardVersionDTO
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qr := `SELECT dashboard_version.id,
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dashboard_version.dashboard_id,
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dashboard_version.parent_version,
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dashboard_version.restored_from,
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dashboard_version.version,
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dashboard_version.created,
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dashboard_version.message,
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"user".login as created_by_login
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FROM dashboard_version
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LEFT JOIN "user" ON "user".id = dashboard_version.created_by
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LEFT JOIN dashboard ON dashboard.id = dashboard_version.dashboard_id
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WHERE dashboard_version.dashboard_id=? AND dashboard.org_id=?
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ORDER BY dashboard_version.version DESC
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LIMIT ? OFFSET ?`
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err := ss.sess.Select(ctx, &dashboardVersion, qr, query.DashboardID, query.OrgID, query.Limit, query.Start)
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if err != nil {
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return nil, err
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}
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if len(dashboardVersion) < 1 {
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return nil, dashver.ErrNoVersionsForDashboardID
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}
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return dashboardVersion, nil
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}
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