ClickHouse bugs fix (#707)

* fix(backend): fixed issues in CH connector

backend/pkg/db/postgres/session-updates.go

@@ -1,7 +1,7 @@
 package postgres
 
 // Mechanism of combination several session updates into one
-const sessionUpdateReq = `UPDATE sessions SET (pages_count, events_count) = (pages_count + $1, events_count + $2) WHERE session_id = $3`
+const sessionUpdateReq = `UPDATE sessions SET pages_count = pages_count + $1, events_count = events_count + $2 WHERE session_id = $3`
 
 type sessionUpdates struct {
 	sessionID uint64

backend/pkg/messages/batch.go

@@ -99,7 +99,6 @@ func (i *iteratorImpl) Next() bool {
 		i.version = m.Version
 		i.url = m.Url
 		isBatchMeta = true
-		log.Printf("new batch version: %d", i.version)
 		if i.version > 1 {
 			log.Printf("incorrect batch version, skip current batch")
 			return false

backend/pkg/messages/raw.go

@@ -26,12 +26,11 @@ func (m *RawMessage) Encode() []byte {
 	m.data[0] = uint8(m.tp)
 	m.encoded = true
 	*m.skipped = false
-	n, err := io.ReadFull(m.reader, m.data[1:])
+	_, err := io.ReadFull(m.reader, m.data[1:])
 	if err != nil {
 		log.Printf("message encode err: %s", err)
 		return nil
 	}
-	log.Printf("encode: read %d of %d bytes", n, m.size)
 	return m.data
 }
 

ee/backend/internal/db/datasaver/messages.go

@@ -52,8 +52,13 @@ func (mi *Saver) InsertMessage(sessionID uint64, msg messages.Message) error {
 		if err != nil {
 			log.Printf("can't get session info for CH: %s", err)
 		} else {
-			if err := mi.ch.InsertRequest(session, m); err != nil {
-				log.Printf("can't insert request event into clickhouse: %s", err)
+			project, err := mi.pg.GetProject(session.ProjectID)
+			if err != nil {
+				log.Printf("can't get project: %s", err)
+			} else {
+				if err := mi.ch.InsertRequest(session, m, project.SaveRequestPayloads); err != nil {
+					log.Printf("can't insert request event into clickhouse: %s", err)
+				}
 			}
 		}
 		return mi.pg.InsertWebFetchEvent(sessionID, m)

ee/backend/pkg/db/clickhouse/connector.go

@@ -56,6 +56,7 @@ func (b *bulkImpl) Send() error {
 	for _, set := range b.values {
 		if err := batch.Append(set...); err != nil {
 			log.Printf("can't append value set to batch, err: %s", err)
+			log.Printf("failed query: %s", b.query)
 		}
 	}
 	b.values = make([][]interface{}, 0)
@@ -77,7 +78,7 @@ type Connector interface {
 	InsertWebErrorEvent(session *types.Session, msg *messages.ErrorEvent) error
 	InsertWebPerformanceTrackAggr(session *types.Session, msg *messages.PerformanceTrackAggr) error
 	InsertAutocomplete(session *types.Session, msgType, msgValue string) error
-	InsertRequest(session *types.Session, msg *messages.FetchEvent) error
+	InsertRequest(session *types.Session, msg *messages.FetchEvent, savePayload bool) error
 	InsertCustom(session *types.Session, msg *messages.CustomEvent) error
 	InsertGraphQL(session *types.Session, msg *messages.GraphQLEvent) error
 }
@@ -180,7 +181,6 @@ func (c *connectorImpl) checkError(name string, err error) {
 }
 
 func (c *connectorImpl) InsertWebSession(session *types.Session) error {
-	log.Printf("insert session: %+v", session)
 	if session.Duration == nil {
 		return errors.New("trying to insert session with nil duration")
 	}
@@ -366,17 +366,22 @@ func (c *connectorImpl) InsertAutocomplete(session *types.Session, msgType, msgV
 	return nil
 }
 
-func (c *connectorImpl) InsertRequest(session *types.Session, msg *messages.FetchEvent) error {
+func (c *connectorImpl) InsertRequest(session *types.Session, msg *messages.FetchEvent, savePayload bool) error {
+	var request, response *string
+	if savePayload {
+		request = &msg.Request
+		response = &msg.Response
+	}
 	if err := c.batches["requests"].Append(
 		session.SessionID,
 		uint16(session.ProjectID),
 		datetime(msg.Timestamp),
 		msg.URL,
-		nullableString(msg.Request),
-		nullableString(msg.Response),
+		request,
+		response,
 		uint16(msg.Status),
 		url.EnsureMethod(msg.Method),
-		msg.Duration,
+		uint16(msg.Duration),
 		msg.Status < 400,
 		"REQUEST",
 	); err != nil {