BackendPlugins: update to sdk v0.42.0

misc cleanup

pkg/services/alerting/conditions/query.go

@@ -7,6 +7,7 @@ import (
 
 	gocontext "context"
 
+	"github.com/grafana/grafana-plugin-sdk-go/data"
 	"github.com/grafana/grafana/pkg/bus"
 	"github.com/grafana/grafana/pkg/components/null"
 	"github.com/grafana/grafana/pkg/components/simplejson"
@@ -173,7 +174,7 @@ func (c *QueryCondition) executeQuery(context *alerting.EvalContext, timeRange *
 		useDataframes := v.Dataframes != nil && (v.Series == nil || len(v.Series) == 0)
 
 		if useDataframes { // convert the dataframes to tsdb.TimeSeries
-			frames, err := tsdb.FramesFromBytes(v.Dataframes)
+			frames, err := data.UnmarshalArrowFrames(v.Dataframes)
 			if err != nil {
 				return nil, errutil.Wrap("tsdb.HandleRequest() failed to unmarshal arrow dataframes from bytes", err)
 			}

pkg/services/alerting/conditions/query_test.go

@@ -198,7 +198,7 @@ func (ctx *queryConditionTestContext) exec() (*alerting.ConditionResult, error)
 	}
 
 	if ctx.frame != nil {
-		bFrame, err := data.MarshalArrow(ctx.frame)
+		bFrame, err := ctx.frame.MarshalArrow()
 		if err != nil {
 			return nil, err
 		}