processing: add uuid parameter to memory: outputs (followup f64730e)

qgis · Feb 17, 2015 · e748281 · e748281
1 parent 58a68b6
commit e748281
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/python/plugins/processing/tools/vector.py b/python/plugins/processing/tools/vector.py
@@ -399,13 +399,14 @@ def __init__(self, fileName, encoding, fields, geometryType,
         if self.fileName.startswith(self.MEMORY_LAYER_PREFIX):
             self.isMemory = True
 
-            uri = GEOM_TYPE_MAP[geometryType]
+            uri = GEOM_TYPE_MAP[geometryType] + "?uuid=" + str(uuid.uuid4())
             if crs.isValid():
-                uri += '?crs=' + crs.authid() + '&'
+                uri += '&crs=' + crs.authid()
+
             fieldsdesc = ['field=' + _fieldName(f) for f in fields]
+            if fieldsdesc:
+              uri += '&' + '&'.join(fieldsdesc)
 
-            fieldsstring = '&'.join(fieldsdesc)
-            uri += fieldsstring
             self.memLayer = QgsVectorLayer(uri, self.fileName, 'memory')
             self.writer = self.memLayer.dataProvider()
         else: