diff --git a/graph/db/test_kvdb.go b/graph/db/test_kvdb.go
index 569e0949f..22904f858 100644
--- a/graph/db/test_kvdb.go
+++ b/graph/db/test_kvdb.go
@@ -9,6 +9,9 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+// isSQLDB indicates that this build does not use a SQL database.
+var isSQLDB = false
+
 // NewTestDB is a helper function that creates an BBolt database for testing.
 func NewTestDB(t testing.TB) Store {
 	backend, backendCleanup, err := kvdb.GetTestBackend(t.TempDir(), "cgr")
diff --git a/graph/db/test_postgres.go b/graph/db/test_postgres.go
index 716210afa..a1bd61a2c 100644
--- a/graph/db/test_postgres.go
+++ b/graph/db/test_postgres.go
@@ -11,6 +11,9 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+// isSQLDB indicates that this build uses a SQL database.
+var isSQLDB = true
+
 // NewTestDB is a helper function that creates a SQLStore backed by a SQL
 // database for testing.
 func NewTestDB(t testing.TB) Store {
diff --git a/graph/db/test_sqlite.go b/graph/db/test_sqlite.go
index 68fef6eb9..137ab7aa9 100644
--- a/graph/db/test_sqlite.go
+++ b/graph/db/test_sqlite.go
@@ -11,6 +11,9 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+// isSQLDB indicates that this build uses a SQL database.
+var isSQLDB = true
+
 // NewTestDB is a helper function that creates a SQLStore backed by a SQL
 // database for testing.
 func NewTestDB(t testing.TB) Store {