From 3bf900a54a92c0422fa8f3c48480dc430a7d134d Mon Sep 17 00:00:00 2001
From: Steffany Brown <30247553+steffnay@users.noreply.github.com>
Date: Sun, 6 Jun 2021 10:52:15 -0700
Subject: [PATCH] fix: handle null query parameter value (#920)

* fix: update to handle null query param

* refactor

* update

* update null check

* removes _isCustomType stub from null parameter  values test
---
 src/bigquery.ts  | 5 ++++-
 test/bigquery.ts | 7 +++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/bigquery.ts b/src/bigquery.ts
index 8b22abd2..80e75545 100644
--- a/src/bigquery.ts
+++ b/src/bigquery.ts
@@ -1113,7 +1113,10 @@ export class BigQuery extends common.Service {
 
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   private static _getValue(value: any, type: ValueType): any {
-    if (value.type!) type = value;
+    if (value === null) {
+      return null;
+    }
+    if (value.type) type = value;
     return BigQuery._isCustomType(type) ? value.value : value;
   }
 
diff --git a/test/bigquery.ts b/test/bigquery.ts
index 93c4f056..5bfefbc9 100644
--- a/test/bigquery.ts
+++ b/test/bigquery.ts
@@ -1470,6 +1470,13 @@ describe('BigQuery', () => {
           geography.value
         );
       });
+
+      it('should handle null values', () => {
+        const value = null;
+        const type = 'TYPE';
+
+        assert.strictEqual(BigQuery._getValue(value, type), value);
+      });
     });
 
     describe('_isCustomType', () => {