prevent duplicate snapshot panic by replacing existing rows to avoid unique constraint failure

apigee_sync_test.go

diff --git a/apigee_sync_test.go b/apigee_sync_test.go
index f461c2a..697b94f 100644
--- a/apigee_sync_test.go
+++ b/apigee_sync_test.go
@@ -270,11 +270,8 @@
 		It("Should be able to handle duplicate snapshot during bootstrap", func() {
 			initializeContext()
 
-			pie := apid.PluginsInitializedEvent{
-				Description: "plugins initialized",
-			}
-			pie.Plugins = append(pie.Plugins, pluginData)
-			postInitPlugins(pie)
+			tokenManager = createTokenManager()
+			events.Listen(ApigeeSyncEventSelector, &handler{})
 
 			scopes := []string{apidInfo.ClusterID}
 			snapshot := &common.Snapshot{}

data.go

diff --git a/data.go b/data.go
index 4e5a62c..48f1ff7 100644
--- a/data.go
+++ b/data.go
@@ -88,8 +88,9 @@
 
 	log.Debugf("inserting into APID_CLUSTER: %v", dac)
 
+	//replace to accomodate same snapshot txid
 	stmt, err := txn.Prepare(`
-	INSERT INTO APID_CLUSTER
+	REPLACE INTO APID_CLUSTER
 		(id, description, name, umbrella_org_app_name,
 		created, created_by, updated, updated_by,
 		last_sequence)
@@ -117,8 +118,9 @@
 
 	log.Debugf("insert DATA_SCOPE: %v", ds)
 
+	//replace to accomodate same snapshot txid
 	stmt, err := txn.Prepare(`
-	INSERT INTO DATA_SCOPE
+	REPLACE INTO DATA_SCOPE
 		(id, apid_cluster_id, scope, org,
 		env, created, created_by, updated,
 		updated_by)