return null when timestamp value is null instead of epoch default ts (d…

…atabricks#151) * return null when timestamp value is null instead of epoch default ts * Preserve null values when parsing arrow data Signed-off-by: Levko Kravets <[email protected]> --------- Signed-off-by: Levko Kravets <[email protected]> Co-authored-by: Levko Kravets <[email protected]> Signed-off-by: nithinkdb <[email protected]>
nithinkdb · Aug 21, 2023 · 637b3bf · 637b3bf
1 parent 316e4b2
commit 637b3bf
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/result/ArrowResult.ts b/lib/result/ArrowResult.ts
@@ -68,6 +68,10 @@ export default class ArrowResult implements IOperationResult {
   }
 
   private convertArrowTypes(value: any, valueType: DataType | undefined, fields: Array<ArrowSchemaField> = []): any {
+    if (value === null) {
+      return value;
+    }
+
     const fieldsMap: Record<string, ArrowSchemaField> = {};
     for (const field of fields) {
       fieldsMap[field.name] = field;