openreplay/ee/backend/pkg/connector/saver.go
2025-03-13 12:28:23 +01:00

596 lines
23 KiB
Go

package connector
import (
"context"
"fmt"
"strconv"
"time"
config "openreplay/backend/internal/config/connector"
"openreplay/backend/internal/http/geoip"
"openreplay/backend/pkg/logger"
"openreplay/backend/pkg/messages"
"openreplay/backend/pkg/projects"
"openreplay/backend/pkg/sessions"
)
// Saver collect sessions and events and saves them to Redshift
type Saver struct {
log logger.Logger
cfg *config.Config
db Database
sessModule sessions.Sessions
projModule projects.Projects
sessions map[uint64]map[string]string
updatedSessions map[uint64]bool
lastUpdate map[uint64]time.Time
finishedSessions []uint64
events []map[string]string
projectIDs map[uint32]bool
}
func New(log logger.Logger, cfg *config.Config, db Database, sessions sessions.Sessions, projects projects.Projects) *Saver {
ctx := context.Background()
if cfg == nil {
log.Fatal(ctx, "connector config is empty")
}
// Validate column names in sessions table
if err := validateColumnNames(sessionColumns); err != nil {
log.Error(ctx, "can't validate sessions column names: %s", err)
}
// Validate column names in events table
if err := validateColumnNames(eventColumns); err != nil {
log.Error(ctx, "can't validate events column names: %s", err)
}
// Parse project IDs
projectIDs := make(map[uint32]bool, len(cfg.ProjectIDs))
if len(cfg.GetAllowedProjectIDs()) == 0 {
log.Info(ctx, "empty project IDs white list")
projectIDs = nil
} else {
for _, id := range cfg.GetAllowedProjectIDs() {
projectIDs[uint32(id)] = true
}
}
return &Saver{
log: log,
cfg: cfg,
db: db,
sessModule: sessions,
projModule: projects,
updatedSessions: make(map[uint64]bool, 0),
lastUpdate: make(map[uint64]time.Time, 0),
projectIDs: projectIDs,
}
}
func handleEvent(msg messages.Message) map[string]string {
event := make(map[string]string)
switch m := msg.(type) {
case *messages.ConsoleLog:
event["consolelog_level"] = QUOTES(m.Level)
event["consolelog_value"] = QUOTES(m.Value)
case *messages.CustomEvent:
event["customevent_name"] = QUOTES(m.Name)
event["customevent_payload"] = QUOTES(m.Payload)
case *messages.JSException:
event["jsexception_name"] = QUOTES(m.Name)
event["jsexception_message"] = QUOTES(m.Message)
event["jsexception_payload"] = QUOTES(m.Payload)
event["jsexception_metadata"] = QUOTES(m.Metadata)
case *messages.NetworkRequest:
event["networkrequest_type"] = QUOTES(m.Type)
event["networkrequest_method"] = QUOTES(m.Method)
event["networkrequest_url"] = QUOTES(m.URL)
event["networkrequest_request"] = QUOTES(m.Request)
event["networkrequest_response"] = QUOTES(m.Response)
event["networkrequest_status"] = fmt.Sprintf("%d", m.Status)
event["networkrequest_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
event["networkrequest_duration"] = fmt.Sprintf("%d", m.Duration)
case *messages.IssueEvent:
event["issueevent_message_id"] = fmt.Sprintf("%d", m.MessageID)
event["issueevent_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
event["issueevent_type"] = QUOTES(m.Type)
event["issueevent_context_string"] = QUOTES(m.ContextString)
event["issueevent_context"] = QUOTES(m.Context)
event["issueevent_payload"] = QUOTES(m.Payload)
event["issueevent_url"] = QUOTES(m.URL)
case *messages.CustomIssue:
event["customissue_name"] = QUOTES(m.Name)
event["customissue_payload"] = QUOTES(m.Payload)
case *messages.MouseClick:
event["mouseclick_label"] = QUOTES(m.Label)
event["mouseclick_selector"] = QUOTES(m.Selector)
event["mouseclick_url"] = QUOTES(msg.Meta().Url)
event["mouseclick_hesitation_time"] = fmt.Sprintf("%d", m.HesitationTime)
event["mouseclick_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
case *messages.PageEvent:
event["pageevent_url"] = QUOTES(m.URL)
event["pageevent_referrer"] = QUOTES(m.Referrer)
event["pageevent_speed_index"] = fmt.Sprintf("%d", m.SpeedIndex)
event["pageevent_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
case *messages.InputChange:
event["inputevent_label"] = QUOTES(m.Label)
event["inputevent_hesitation_time"] = fmt.Sprintf("%d", m.HesitationTime)
event["inputevent_input_duration"] = fmt.Sprintf("%d", m.InputDuration)
event["inputevent_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
// Mobile events
case *messages.MobileEvent:
event["mobile_event_name"] = QUOTES(m.Name)
event["mobile_event_payload"] = QUOTES(m.Payload)
case *messages.MobileNetworkCall:
event["mobile_networkcall_type"] = QUOTES(m.Type)
event["mobile_networkcall_method"] = QUOTES(m.Method)
event["mobile_networkcall_url"] = QUOTES(m.URL)
event["mobile_networkcall_request"] = QUOTES(m.Request)
event["mobile_networkcall_response"] = QUOTES(m.Response)
event["mobile_networkcall_status"] = fmt.Sprintf("%d", m.Status)
event["mobile_networkcall_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
event["mobile_networkcall_duration"] = fmt.Sprintf("%d", m.Duration)
case *messages.MobileClickEvent:
event["mobile_clickevent_x"] = fmt.Sprintf("%d", m.X)
event["mobile_clickevent_y"] = fmt.Sprintf("%d", m.Y)
event["mobile_clickevent_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
event["mobile_clickevent_label"] = QUOTES(m.Label)
case *messages.MobileSwipeEvent:
event["mobile_swipeevent_x"] = fmt.Sprintf("%d", m.X)
event["mobile_swipeevent_y"] = fmt.Sprintf("%d", m.Y)
event["mobile_swipeevent_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
event["mobile_swipeevent_label"] = QUOTES(m.Label)
case *messages.MobileInputEvent:
event["mobile_inputevent_label"] = QUOTES(m.Label)
event["mobile_inputevent_value"] = QUOTES(m.Value)
case *messages.MobileCrash:
event["mobile_crash_name"] = QUOTES(m.Name)
event["mobile_crash_reason"] = QUOTES(m.Reason)
event["mobile_crash_stacktrace"] = QUOTES(m.Stacktrace)
case *messages.MobileIssueEvent:
event["mobile_issueevent_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
event["mobile_issueevent_type"] = QUOTES(m.Type)
event["mobile_issueevent_context_string"] = QUOTES(m.ContextString)
event["mobile_issueevent_context"] = QUOTES(m.Context)
event["mobile_issueevent_payload"] = QUOTES(m.Payload)
case *messages.MobileViewComponentEvent:
event["mobile_viewcomponentevent_screen_name"] = QUOTES(m.ScreenName)
event["mobile_viewcomponentevent_view_name"] = QUOTES(m.ViewName)
event["mobile_viewcomponentevent_visible"] = fmt.Sprintf("%t", m.Visible)
event["mobile_viewcomponentevent_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
}
if len(event) == 0 {
return nil
}
event["sessionid"] = fmt.Sprintf("%d", msg.SessionID())
event["received_at"] = fmt.Sprintf("%d", time.Now().Unix())
return event
}
func (s *Saver) updateSessionInfoFromCache(sessID uint64, sess map[string]string) error {
info, err := s.sessModule.Get(sessID)
if err != nil {
return err
}
// Check all required fields are present
if info.Duration != nil {
sess["session_duration"] = fmt.Sprintf("%d", *info.Duration)
}
if sess["session_start_timestamp"] == "" {
sess["session_start_timestamp"] = fmt.Sprintf("%d", info.Timestamp)
}
if sess["session_end_timestamp"] == "" && info.Duration != nil {
sess["session_end_timestamp"] = fmt.Sprintf("%d", info.Timestamp+*info.Duration)
}
if sess["session_duration"] == "" && sess["session_start_timestamp"] != "" && sess["session_end_timestamp"] != "" {
ctx := context.WithValue(context.Background(), "sessionID", sessID)
start, err := strconv.Atoi(sess["session_start_timestamp"])
if err != nil {
s.log.Error(ctx, "error parsing session_start_timestamp: %s", err)
}
end, err := strconv.Atoi(sess["session_end_timestamp"])
if err != nil {
s.log.Error(ctx, "error parsing session_end_timestamp: %s", err)
}
if start != 0 && end != 0 {
sess["session_duration"] = fmt.Sprintf("%d", end-start)
}
}
if sess["user_browser"] == "" && info.UserBrowser != "" {
sess["user_browser"] = QUOTES(info.UserBrowser)
}
if sess["user_browser_version"] == "" && info.UserBrowserVersion != "" {
sess["user_browser_version"] = QUOTES(info.UserBrowserVersion)
}
if sess["user_os"] == "" && info.UserOS != "" {
sess["user_os"] = QUOTES(info.UserOS)
}
if sess["user_os_version"] == "" && info.UserOSVersion != "" {
sess["user_os_version"] = QUOTES(info.UserOSVersion)
}
if sess["user_device"] == "" && info.UserDevice != "" {
sess["user_device"] = QUOTES(info.UserDevice)
}
if sess["user_device_type"] == "" && info.UserDeviceType != "" {
sess["user_device_type"] = QUOTES(info.UserDeviceType)
}
if sess["user_device_memory_size"] == "" && info.UserDeviceMemorySize != 0 {
sess["user_device_memory_size"] = fmt.Sprintf("%d", info.UserDeviceMemorySize)
}
if sess["user_device_heap_size"] == "" && info.UserDeviceHeapSize != 0 {
sess["user_device_heap_size"] = fmt.Sprintf("%d", info.UserDeviceHeapSize)
}
if sess["user_country"] == "" && info.UserCountry != "" {
sess["user_country"] = QUOTES(info.UserCountry)
}
if sess["user_city"] == "" && info.UserCity != "" {
sess["user_city"] = QUOTES(info.UserCity)
}
if sess["user_state"] == "" && info.UserState != "" {
sess["user_state"] = QUOTES(info.UserState)
}
if sess["user_uuid"] == "" && info.UserUUID != "" {
sess["user_uuid"] = QUOTES(info.UserUUID)
}
if sess["session_start_timestamp"] == "" && info.Timestamp != 0 {
sess["session_start_timestamp"] = fmt.Sprintf("%d", info.Timestamp)
}
if sess["user_anonymous_id"] == "" && info.UserAnonymousID != nil {
sess["user_anonymous_id"] = QUOTES(*info.UserAnonymousID)
}
if sess["user_id"] == "" && info.UserID != nil {
sess["user_id"] = QUOTES(*info.UserID)
}
if sess["pages_count"] == "" && info.PagesCount != 0 {
sess["pages_count"] = fmt.Sprintf("%d", info.PagesCount)
}
if sess["tracker_version"] == "" && info.TrackerVersion != "" {
sess["tracker_version"] = QUOTES(info.TrackerVersion)
}
if sess["rev_id"] == "" && info.RevID != "" {
sess["rev_id"] = QUOTES(info.RevID)
}
if info.ErrorsCount != 0 {
sess["errors_count"] = fmt.Sprintf("%d", info.ErrorsCount)
}
if info.IssueScore != 0 {
sess["issue_score"] = fmt.Sprintf("%d", info.IssueScore)
}
// Check int fields
for _, field := range sessionInts {
if sess[field] == "" {
sess[field] = fmt.Sprintf("%d", 0)
}
}
return nil
}
func (s *Saver) handleSession(msg messages.Message) {
// Filter out messages that are not related to session table
switch msg.(type) {
case *messages.SessionStart, *messages.SessionEnd, *messages.ConnectionInformation, *messages.Metadata,
*messages.PageEvent, *messages.PerformanceTrackAggr, *messages.UserID, *messages.UserAnonymousID,
*messages.JSException, *messages.InputEvent, *messages.MouseClick, *messages.IssueEvent,
// Mobile messages
*messages.MobileSessionStart, *messages.MobileSessionEnd, *messages.MobileUserID, *messages.MobileUserAnonymousID,
*messages.MobileMetadata:
default:
return
}
if s.sessions == nil {
s.sessions = make(map[uint64]map[string]string)
}
ctx := context.WithValue(context.Background(), "sessionID", msg.SessionID())
sess, ok := s.sessions[msg.SessionID()]
if !ok {
// Try to load session from cache
cached, err := s.sessModule.GetCached(msg.SessionID())
if err != nil && err != sessions.ErrSessionNotFound {
s.log.Warn(ctx, "failed to get cached session: %s", err)
}
if cached != nil {
sess = cached
} else {
sess = make(map[string]string)
sess[`sessionid`] = fmt.Sprintf("%d", msg.SessionID())
}
}
if s.sessions[msg.SessionID()] == nil {
s.sessions[msg.SessionID()] = make(map[string]string)
s.sessions[msg.SessionID()][`sessionid`] = fmt.Sprintf("%d", msg.SessionID())
sess = s.sessions[msg.SessionID()]
}
// Parse message and add to session
updated := true
switch m := msg.(type) {
case *messages.SessionStart:
sess["session_start_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
sess["user_uuid"] = QUOTES(m.UserUUID)
sess["user_os"] = QUOTES(m.UserOS)
sess["user_os_version"] = QUOTES(m.UserOSVersion)
sess["user_browser"] = QUOTES(m.UserBrowser)
sess["user_browser_version"] = QUOTES(m.UserBrowserVersion)
sess["user_device"] = QUOTES(m.UserDevice)
sess["user_device_type"] = QUOTES(m.UserDeviceType)
sess["user_device_memory_size"] = fmt.Sprintf("%d", m.UserDeviceMemorySize)
sess["user_device_heap_size"] = fmt.Sprintf("%d", m.UserDeviceHeapSize)
sess["tracker_version"] = QUOTES(m.TrackerVersion)
sess["rev_id"] = QUOTES(m.RevID)
geoInfo := geoip.UnpackGeoRecord(m.UserCountry)
sess["user_country"] = QUOTES(geoInfo.Country)
sess["user_city"] = QUOTES(geoInfo.City)
sess["user_state"] = QUOTES(geoInfo.State)
case *messages.SessionEnd:
sess["session_end_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
if err := s.updateSessionInfoFromCache(msg.SessionID(), sess); err != nil {
s.log.Warn(ctx, "failed to update session info from cache: %s", err)
}
case *messages.ConnectionInformation:
sess["connection_effective_bandwidth"] = fmt.Sprintf("%d", m.Downlink)
sess["connection_type"] = QUOTES(m.Type)
case *messages.Metadata:
session, err := s.sessModule.Get(msg.SessionID())
if err != nil {
s.log.Error(ctx, "error getting session info: %s", err)
break
}
project, err := s.projModule.GetProject(session.ProjectID)
if err != nil {
s.log.Error(ctx, "error getting project info: %s", err)
break
}
keyNo := project.GetMetadataNo(m.Key)
if keyNo == 0 {
break
}
sess[fmt.Sprintf("metadata_%d", keyNo)] = QUOTES(m.Value)
case *messages.PageEvent:
sess["referrer"] = QUOTES(m.Referrer)
sess["first_contentful_paint"] = fmt.Sprintf("%d", m.FirstContentfulPaint)
sess["speed_index"] = fmt.Sprintf("%d", m.SpeedIndex)
sess["timing_time_to_interactive"] = fmt.Sprintf("%d", m.TimeToInteractive)
sess["visually_complete"] = fmt.Sprintf("%d", m.VisuallyComplete)
currUrlsCount, err := strconv.Atoi(sess["pages_count"])
if err != nil {
currUrlsCount = 0
}
sess["pages_count"] = fmt.Sprintf("%d", currUrlsCount+1)
case *messages.PerformanceTrackAggr:
sess["avg_cpu"] = fmt.Sprintf("%d", m.AvgCPU)
sess["avg_fps"] = fmt.Sprintf("%d", m.AvgFPS)
sess["max_cpu"] = fmt.Sprintf("%d", m.MaxCPU)
sess["max_fps"] = fmt.Sprintf("%d", m.MaxFPS)
sess["max_total_js_heap_size"] = fmt.Sprintf("%d", m.MaxTotalJSHeapSize)
sess["max_used_js_heap_size"] = fmt.Sprintf("%d", m.MaxUsedJSHeapSize)
case *messages.UserID:
if m.ID != "" {
sess["user_id"] = QUOTES(m.ID)
}
case *messages.UserAnonymousID:
sess["user_anonymous_id"] = QUOTES(m.ID)
case *messages.JSException:
currExceptionsCount, err := strconv.Atoi(sess["js_exceptions_count"])
if err != nil {
currExceptionsCount = 0
}
sess["js_exceptions_count"] = fmt.Sprintf("%d", currExceptionsCount+1)
case *messages.InputEvent:
currInputsCount, err := strconv.Atoi(sess["inputs_count"])
if err != nil {
currInputsCount = 0
}
sess["inputs_count"] = fmt.Sprintf("%d", currInputsCount+1)
case *messages.MouseClick:
currMouseClicksCount, err := strconv.Atoi(sess["clicks_count"])
if err != nil {
currMouseClicksCount = 0
}
sess["clicks_count"] = fmt.Sprintf("%d", currMouseClicksCount+1)
case *messages.IssueEvent:
currIssuesCount, err := strconv.Atoi(sess["issues_count"])
if err != nil {
currIssuesCount = 0
}
sess["issues_count"] = fmt.Sprintf("%d", currIssuesCount+1)
// Mobile messages
case *messages.MobileSessionStart:
sess["session_start_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
sess["user_uuid"] = QUOTES(m.UserUUID)
sess["user_os"] = QUOTES(m.UserOS)
sess["user_os_version"] = QUOTES(m.UserOSVersion)
sess["user_device"] = QUOTES(m.UserDevice)
sess["user_device_type"] = QUOTES(m.UserDeviceType)
sess["tracker_version"] = QUOTES(m.TrackerVersion)
sess["rev_id"] = QUOTES(m.RevID)
case *messages.MobileSessionEnd:
sess["session_end_timestamp"] = fmt.Sprintf("%d", m.Timestamp)
if err := s.updateSessionInfoFromCache(msg.SessionID(), sess); err != nil {
s.log.Warn(ctx, "failed to update session info from cache: %s", err)
}
case *messages.MobileMetadata:
session, err := s.sessModule.Get(msg.SessionID())
if err != nil {
s.log.Error(ctx, "error getting session info: %s", err)
break
}
project, err := s.projModule.GetProject(session.ProjectID)
if err != nil {
s.log.Error(ctx, "error getting project info: %s", err)
break
}
keyNo := project.GetMetadataNo(m.Key)
if keyNo == 0 {
break
}
sess[fmt.Sprintf("metadata_%d", keyNo)] = QUOTES(m.Value)
case *messages.MobileUserID:
if m.ID != "" {
sess["user_id"] = QUOTES(m.ID)
}
case *messages.MobileUserAnonymousID:
sess["user_anonymous_id"] = QUOTES(m.ID)
default:
updated = false
}
if updated {
if s.updatedSessions == nil {
s.updatedSessions = make(map[uint64]bool)
}
s.updatedSessions[msg.SessionID()] = true
}
s.sessions[msg.SessionID()] = sess
s.lastUpdate[msg.SessionID()] = time.Now()
}
func (s *Saver) Handle(msg messages.Message) {
if s.projectIDs != nil {
// Check if project ID is allowed
sessInfo, err := s.sessModule.Get(msg.SessionID())
if err != nil {
s.log.Error(context.Background(), "can't get session info: %s, skipping message", err)
return
}
if !s.projectIDs[sessInfo.ProjectID] {
s.log.Debug(context.Background(), "project ID %d is not allowed, skipping message", sessInfo.ProjectID)
return
}
s.log.Info(context.Background(), "project ID %d is allowed", sessInfo.ProjectID)
}
newEvent := handleEvent(msg)
if newEvent != nil {
if s.events == nil {
s.events = make([]map[string]string, 0, 2)
}
s.events = append(s.events, newEvent)
}
s.handleSession(msg)
if msg.TypeID() == messages.MsgSessionEnd || msg.TypeID() == messages.MsgMobileSessionEnd {
if s.finishedSessions == nil {
s.finishedSessions = make([]uint64, 0)
}
s.finishedSessions = append(s.finishedSessions, msg.SessionID())
}
return
}
func (s *Saver) commitEvents() {
if len(s.events) == 0 {
s.log.Info(context.Background(), "empty events batch")
return
}
if err := s.db.InsertEvents(s.events); err != nil {
s.log.Error(context.Background(), "can't insert events: %s", err)
}
s.events = nil
}
func (s *Saver) commitSessions() {
if len(s.finishedSessions) == 0 {
s.log.Info(context.Background(), "empty sessions batch")
return
}
l := len(s.finishedSessions)
sessions := make([]map[string]string, 0, len(s.finishedSessions))
toKeep := make([]uint64, 0, len(s.finishedSessions))
toSend := make([]uint64, 0, len(s.finishedSessions))
for _, sessionID := range s.finishedSessions {
// ts, now, ts+1min
if s.lastUpdate[sessionID].Add(time.Minute * 1).After(time.Now()) {
toKeep = append(toKeep, sessionID)
} else {
sessions = append(sessions, s.sessions[sessionID])
toSend = append(toSend, sessionID)
}
}
if len(sessions) == 0 {
s.log.Info(context.Background(), "empty sessions batch to send")
return
}
if err := s.db.InsertSessions(sessions); err != nil {
s.log.Error(context.Background(), "can't insert sessions: %s", err)
}
s.log.Info(context.Background(), "finished: %d, to keep: %d, to send: %d", l, len(toKeep), len(toSend))
// Clear current list of finished sessions
for _, sessionID := range toSend {
delete(s.sessions, sessionID) // delete session info
delete(s.lastUpdate, sessionID) // delete last session update timestamp
}
s.finishedSessions = toKeep
}
// Commit saves batch to Redshift
func (s *Saver) Commit() {
// Cache updated sessions
start := time.Now()
for sessionID, _ := range s.updatedSessions {
if err := s.sessModule.AddCached(sessionID, s.sessions[sessionID]); err != nil {
ctx := context.WithValue(context.Background(), "sessionID", sessionID)
s.log.Error(ctx, "can't add session to cache: %s", err)
}
}
s.log.Info(context.Background(), "cached %d sessions in %s", len(s.updatedSessions), time.Since(start))
s.updatedSessions = nil
// Commit events and sessions (send to Redshift)
s.commitEvents()
s.checkZombieSessions()
s.commitSessions()
}
func (s *Saver) checkZombieSessions() {
// Check if there are old sessions that should be sent to Redshift
finished := make(map[uint64]bool, len(s.finishedSessions))
for _, sessionID := range s.finishedSessions {
finished[sessionID] = true
}
now := time.Now()
zombieSessionsCount := 0
for sessionID, _ := range s.sessions {
if finished[sessionID] {
continue
}
if s.lastUpdate[sessionID].Add(time.Minute * 5).Before(now) {
// Check that session is not in progress, check all critical values (startTs, endTs, etc)
// If session has been finished more than 5 minutes ago, send it to Redshift
// Else update last update timestamp and try to wait for session end.
// Do that several times (save attempts number) after last attempt delete session from memory to avoid sessions with not filled fields
zombieSession := s.sessions[sessionID]
if zombieSession["session_start_timestamp"] == "" || zombieSession["session_end_timestamp"] == "" {
ctx := context.WithValue(context.Background(), "sessionID", sessionID)
// Let's try to load session from cache
if err := s.updateSessionInfoFromCache(sessionID, zombieSession); err != nil {
s.log.Warn(ctx, "failed to update zombie session info from cache: %s", err)
} else {
s.sessions[sessionID] = zombieSession
s.log.Debug(ctx, "updated zombie session info from cache: %v", zombieSession)
}
}
if zombieSession["session_start_timestamp"] == "" || zombieSession["session_end_timestamp"] == "" {
s.lastUpdate[sessionID] = now
continue
}
s.finishedSessions = append(s.finishedSessions, sessionID)
zombieSessionsCount++
}
}
if zombieSessionsCount > 0 {
s.log.Info(context.Background(), "found %d zombie sessions", zombieSessionsCount)
}
}
func (s *Saver) Close() error {
// Close connection to Redshift
return nil
}
var reservedWords = []string{"ALL", "ANALYSE", "ANALYZE", "AND", "ANY", "ARRAY", "AS", "ASC", "ASYMMETRIC", "BOTH", "CASE", "CAST", "CHECK", "COLLATE", "COLUMN", "CONSTRAINT", "CREATE", "CROSS", "CURRENT_CATALOG", "CURRENT_DATE", "CURRENT_ROLE", "CURRENT_SCHEMA", "CURRENT_TIME", "CURRENT_TIMESTAMP", "CURRENT_USER", "DEFAULT", "DEFERRABLE", "DESC", "DISTINCT", "DO", "ELSE", "END", "EXCEPT", "FALSE", "FOR", "FOREIGN", "FREEZE", "FROM", "FULL", "GRANT", "GROUP", "HAVING", "ILIKE", "IN", "INITIALLY", "INNER", "INTERSECT", "INTO", "IS", "ISNULL", "JOIN", "LEADING", "LEFT", "LIKE", "LIMIT", "LOCALTIME", "LOCALTIMESTAMP", "NATURAL", "NEW", "NOT", "NOTNULL", "NULL", "OFF", "OFFSET", "OLD", "ON", "ONLY", "OR", "ORDER", "OUTER", "OVERLAPS", "PLACING", "PRIMARY", "REFERENCES", "RETURNING", "RIGHT", "SELECT", "SESSION_USER", "SIMILAR", "SOME", "SYMMETRIC", "TABLE", "THEN", "TO", "TRAILING", "TRUE", "UNION", "UNIQUE", "USER", "USING", "VERBOSE", "WHEN", "WHERE", "WINDOW", "WITH"}
func validateColumnNames(columns []string) error {
for _, column := range columns {
for _, reservedWord := range reservedWords {
if column == reservedWord {
return fmt.Errorf("column name %s is a reserved word", column)
}
}
}
return nil
}