Fix delete relation field when _Join collection not exist

2016-03-06 17:22:36 +08:00
parent b3a52fb52c
commit 908a4eb643
2 changed files with 37 additions and 1 deletions
--- a/src/Schema.js
+++ b/src/Schema.js
@@ -409,7 +409,11 @@ class Schema {

            if (this.data[className][fieldName].startsWith('relation<')) {
              //For relations, drop the _Join table
-              return database.dropCollection(`_Join:${fieldName}:${className}`);
+              return database.collectionExists(`_Join:${fieldName}:${className}`).then(exist => {
+                if (exist) {
+                  return database.dropCollection(`_Join:${fieldName}:${className}`);
+                }
+              });
            }

            // for non-relations, remove all the data.