chore: applying 1.19.2 hotfixes to main branch (#4331)

Author: achettyiitr

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [1.19.2](https://github.com/rudderlabs/rudder-server/compare/v1.19.1...v1.19.2) (2024-01-18)
+
+
+### Bug Fixes
+
+* nil load statistics for bigquery ([#4328](https://github.com/rudderlabs/rudder-server/issues/4328)) ([48cd75c](https://github.com/rudderlabs/rudder-server/commit/48cd75cc9ada8a7ad401089e9204ce1e6d81a5f6))
 
 ## [1.19.1](https://github.com/rudderlabs/rudder-server/compare/v1.19.0...v1.19.1) (2024-01-16)
 

warehouse/integrations/bigquery/bigquery.go

@@ -439,15 +439,18 @@ func (bq *BigQuery) loadTableByAppend(
 
 	log.Infow("completed loading")
 
-	tableStats := &types.LoadTableStats{
-		RowsInserted: statistics.Load.OutputRows,
+	tableStats := &types.LoadTableStats{}
+	if statistics.Load != nil {
+		tableStats.RowsInserted = statistics.Load.OutputRows
 	}
 	response := &loadTableResponse{
 		partitionDate: partitionDate,
 	}
 	return tableStats, response, nil
 }
 
+// jobStatistics returns statistics for a job
+// In case of rate limit error, it returns empty statistics
 func (bq *BigQuery) jobStatistics(
 	ctx context.Context,
 	job *bigquery.Job,