Add base collection method to each kind of compiler.

Author: WaVEV

django_mongodb/compiler.py

@@ -673,6 +673,10 @@ def insert(self, docs, returning_fields=None):
         inserted_ids = self.collection.insert_many(docs).inserted_ids
         return inserted_ids if returning_fields else []
 
+    @cached_property
+    def collection_name(self):
+        return self.query.get_meta()
+
 
 class SQLDeleteCompiler(compiler.SQLDeleteCompiler, SQLCompiler):
     def execute_sql(self, result_type=MULTI):
@@ -690,6 +694,10 @@ def check_query(self):
     def get_where(self):
         return self.query.where
 
+    @cached_property
+    def collection_name(self):
+        return self.query.base_table
+
 
 class SQLUpdateCompiler(compiler.SQLUpdateCompiler, SQLCompiler):
     def execute_sql(self, result_type):
@@ -754,6 +762,10 @@ def check_query(self):
     def get_where(self):
         return self.query.where
 
+    @cached_property
+    def collection_name(self):
+        return self.query.base_table
+
 
 class SQLAggregateCompiler(SQLCompiler):
     def build_query(self, columns=None):