Merge pull request #160 from dekart-xyz/fix-playground-500

Fix playground 500

Dockerfile

@@ -31,7 +31,7 @@ RUN CGO_ENABLED=0 go build ./src/server
 FROM godeps as gotest
 RUN go test -v -count=1 ./src/server/**/
 
-FROM cypress/included:12.8.1 as e2etest
+FROM cypress/included:12.17.1 as e2etest
 WORKDIR /dekart
 RUN apt-get update && apt-get install  -y \
     ca-certificates

src/server/dekart/connection.go

@@ -53,6 +53,10 @@ func (s Server) getConnectionFromDatasetID(ctx context.Context, datasetID string
 		datasetID,
 	).Scan(&connectionID)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			// legacy query
+			return s.getConnection(ctx, "")
+		}
 		log.Err(err).Send()
 		return nil, err
 	}
@@ -69,6 +73,10 @@ func (s Server) getConnectionFromQueryID(ctx context.Context, queryID string) (*
 		queryID,
 	).Scan(&connectionID)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			// legacy query
+			return s.getConnection(ctx, "")
+		}
 		log.Err(err).Send()
 		return nil, err
 	}