diff --git a/database/RecordedCall.go b/database/RecordedCall.go
index 6cd1136..667236d 100644
--- a/database/RecordedCall.go
+++ b/database/RecordedCall.go
@@ -1,11 +1,17 @@
 package database
 
 import (
+	"context"
+	"crypto/md5"
 	"database/sql"
+	"encoding/hex"
 	"fmt"
+	"ti1/valki"
+
+	"github.com/valkey-io/valkey-go"
 )
 
-func InsertOrUpdateRecordedCall(db *sql.DB, values []interface{}) (int, string, error) {
+func InsertOrUpdateRecordedCall(ctx context.Context, db *sql.DB, values []interface{}, valkeyClient valkey.Client) (int, string, error) {
 	// Replace empty strings with nil for timestamp fields
 	for i, v := range values {
 		if str, ok := v.(string); ok && str == "" {
@@ -13,46 +19,71 @@ func InsertOrUpdateRecordedCall(db *sql.DB, values []interface{}) (int, string,
 		}
 	}
 
-	query := `
-        INSERT INTO calls (
-            estimatedvehiclejourney, "order", stoppointref,
-            aimeddeparturetime, expecteddeparturetime,
-            aimedarrivaltime, expectedarrivaltime,
-            cancellation, actualdeparturetime, actualarrivaltime,
-            recorded_data
-        )
-        VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11)
-        ON CONFLICT (estimatedvehiclejourney, "order")
-        DO UPDATE SET
-            stoppointref = EXCLUDED.stoppointref,
-            aimeddeparturetime = EXCLUDED.aimeddeparturetime,
-            expecteddeparturetime = EXCLUDED.expecteddeparturetime,
-            aimedarrivaltime = EXCLUDED.aimedarrivaltime,
-            expectedarrivaltime = EXCLUDED.expectedarrivaltime,
-            cancellation = EXCLUDED.cancellation,
-            actualdeparturetime = EXCLUDED.actualdeparturetime,
-            actualarrivaltime = EXCLUDED.actualarrivaltime,
-            recorded_data = EXCLUDED.recorded_data
-        RETURNING CASE WHEN xmax = 0 THEN 'insert' ELSE 'update' END, id;
-    `
-	stmt, err := db.Prepare(query)
-	if err != nil {
-		return 0, "", fmt.Errorf("error preparing statement: %v", err)
-	}
-	defer stmt.Close()
-
-	var action string
-	var id int
-	err = stmt.QueryRow(values...).Scan(&action, &id)
-	if err != nil {
-		if 1 == 0 {
-			fmt.Println("Executing query:", query)
-			for i, v := range values {
-				fmt.Printf("Value %d: (%v)\n", i+1, v)
-			}
-
+	// Convert values to a single string and hash it using MD5
+	var valuesString string
+	for _, v := range values {
+		if v != nil {
+			valuesString += fmt.Sprintf("%v", v)
 		}
-		return 0, "", fmt.Errorf("error executing statement: %v", err)
 	}
-	return id, action, nil
+	hash := md5.Sum([]byte(valuesString))
+	hashString := hex.EncodeToString(hash[:])
+
+	estimatedVehicleJourneyID := values[0]
+	orderID := values[1]
+	key := fmt.Sprintf("%v.%v", estimatedVehicleJourneyID, orderID)
+
+	var err error
+
+	// Get the MD5 hash from Valkey
+	retrievedHash, err := valki.GetValkeyValue(ctx, valkeyClient, key)
+	if err != nil {
+		return 0, "", fmt.Errorf("failed to get value from Valkey: %v", err)
+	}
+
+	// Check if the retrieved value matches the original MD5 hash
+	if retrievedHash != hashString {
+		query := `
+            INSERT INTO calls (
+                estimatedvehiclejourney, "order", stoppointref,
+                aimeddeparturetime, expecteddeparturetime,
+                aimedarrivaltime, expectedarrivaltime,
+                cancellation, actualdeparturetime, actualarrivaltime,
+                recorded_data
+            )
+            VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11)
+            ON CONFLICT (estimatedvehiclejourney, "order")
+            DO UPDATE SET
+                stoppointref = EXCLUDED.stoppointref,
+                aimeddeparturetime = EXCLUDED.aimeddeparturetime,
+                expecteddeparturetime = EXCLUDED.expecteddeparturetime,
+                aimedarrivaltime = EXCLUDED.aimedarrivaltime,
+                expectedarrivaltime = EXCLUDED.expectedarrivaltime,
+                cancellation = EXCLUDED.cancellation,
+                actualdeparturetime = EXCLUDED.actualdeparturetime,
+                actualarrivaltime = EXCLUDED.actualarrivaltime,
+                recorded_data = EXCLUDED.recorded_data
+            RETURNING CASE WHEN xmax = 0 THEN 'insert' ELSE 'update' END, id;
+        `
+		stmt, err := db.Prepare(query)
+		if err != nil {
+			return 0, "", fmt.Errorf("error preparing statement: %v", err)
+		}
+		defer stmt.Close()
+
+		err = valki.SetValkeyValue(ctx, valkeyClient, key, hashString)
+		if err != nil {
+			return 0, "", fmt.Errorf("failed to set value in Valkey: %v", err)
+		}
+
+		var action string
+		var id int
+		err = stmt.QueryRow(values...).Scan(&action, &id)
+		if err != nil {
+			return 0, "", fmt.Errorf("error executing statement: %v", err)
+		}
+		return id, action, nil
+	} else {
+		return 0, "none", nil
+	}
 }
diff --git a/export/database.go b/export/database.go
index 6789c17..cf817eb 100644
--- a/export/database.go
+++ b/export/database.go
@@ -38,7 +38,7 @@ func DBData(data *data.Data) {
 	fmt.Println("SID:", sid)
 
 	// counters
-	var insertCount, updateCount, totalCount, estimatedCallInsertCount, estimatedCallUpdateCount, estimatedCallNoneCount, recordedCallInsertCount, recordedCallUpdateCount int
+	var insertCount, updateCount, totalCount, estimatedCallInsertCount, estimatedCallUpdateCount, estimatedCallNoneCount, recordedCallInsertCount, recordedCallUpdateCount, recordedCallNoneCount int
 
 	for _, journey := range data.ServiceDelivery.EstimatedTimetableDelivery[0].EstimatedJourneyVersionFrame.EstimatedVehicleJourney {
 		var values []interface{}
@@ -169,7 +169,7 @@ func DBData(data *data.Data) {
 			//fmt.Printf("Inserts: %d, Updates: %d, Total: %d\n", insertCount, updateCount, totalCount)
 			if totalCount%1000 == 0 {
 				fmt.Printf(
-					"Inserts: %d, Updates: %d, Total: %d; estimatedCalls = I: %d U: %d N: %d; recordedCalls = I: %d U: %d\n",
+					"Inserts: %d, Updates: %d, Total: %d; estimatedCalls = I: %d U: %d N: %d; recordedCalls = I: %d U: %d N: %d\n",
 					insertCount,
 					updateCount,
 					totalCount,
@@ -178,6 +178,7 @@ func DBData(data *data.Data) {
 					estimatedCallNoneCount,
 					recordedCallInsertCount,
 					recordedCallUpdateCount,
+					recordedCallNoneCount,
 				)
 			}
 		}
@@ -380,7 +381,7 @@ func DBData(data *data.Data) {
 					interfaceValues[i] = v
 				}
 
-				id, action, err := database.InsertOrUpdateRecordedCall(db, interfaceValues)
+				id, action, err := database.InsertOrUpdateRecordedCall(ctx, db, interfaceValues, valkeyClient)
 				if err != nil {
 					fmt.Printf("Error inserting/updating recorded call: %v\n", err)
 				} else {
@@ -393,6 +394,8 @@ func DBData(data *data.Data) {
 						//fmt.Printf("Action: %s, ID: %d\n", action, id)
 					} else if action == "update" {
 						recordedCallUpdateCount++
+					} else if action == "none" {
+						recordedCallNoneCount++
 					}
 				}
 			}
@@ -400,7 +403,7 @@ func DBData(data *data.Data) {
 
 	}
 	fmt.Printf(
-		"DONE: Inserts: %d, Updates: %d, Total: %d; estimatedCalls = I: %d U: %d N: %d; recordedCalls = I: %d U: %d\n",
+		"DONE: Inserts: %d, Updates: %d, Total: %d; estimatedCalls = I: %d U: %d N: %d; recordedCalls = I: %d U: %d N: %d\n",
 		insertCount,
 		updateCount,
 		totalCount,
@@ -409,6 +412,7 @@ func DBData(data *data.Data) {
 		estimatedCallNoneCount,
 		recordedCallInsertCount,
 		recordedCallUpdateCount,
+		recordedCallNoneCount,
 	)
 	// Create map to hold JSON
 	serviceDeliveryJsonObject := make(map[string]interface{})
@@ -421,6 +425,7 @@ func DBData(data *data.Data) {
 	serviceDeliveryJsonObject["EstimatedCallNone"] = estimatedCallNoneCount
 	serviceDeliveryJsonObject["RecordedCallInserts"] = recordedCallInsertCount
 	serviceDeliveryJsonObject["RecordedCallUpdates"] = recordedCallUpdateCount
+	serviceDeliveryJsonObject["RecordedCallNone"] = recordedCallNoneCount
 
 	// Convert JSON object to JSON string
 	serviceDeliveryJsonString, err := json.Marshal(serviceDeliveryJsonObject)