#3 修正

migration.py

@@ -43,7 +43,7 @@ def create_queries (
 def add_constraints_to_queries (
 ) -> None:
     with SCHEMA.table ('queries') as table:
-        table.foreign ('user_id').references ('user_id').on ('users').on_update ('cascade').on_delete ('restrict')
+        table.foreign ('user_id').references ('id').on ('users').on_update ('cascade').on_delete ('restrict')
 
 
 def create_answers (
@@ -61,7 +61,7 @@ def create_answers (
 def add_constraints_to_answers (
 ) -> None:
     with SCHEMA.table ('answers') as table:
-        table.foreign ('query_id').references ('query_id').on ('queries').on_update ('cascade').on_delete ('restrict')
+        table.foreign ('query_id').references ('id').on ('queries').on_update ('cascade').on_delete ('restrict')
 
 
 def create_users (
@@ -87,8 +87,8 @@ def create_query_answer_histories (
 def add_constraints_to_query_answer_histories (
 ) -> None:
     with SCHEMA.table ('query_answer_histories') as table:
-        table.foreign ('query_id').references ('query_id').on ('queries').on_update ('cascade').on_delete ('cascade')
+        table.foreign ('query_id').references ('id').on ('queries').on_update ('cascade').on_delete ('cascade')
-        table.foreign ('answer_id').references ('answer_id').on ('answers').on_update ('cascade').on_delete ('cascade')
+        table.foreign ('answer_id').references ('id').on ('answers').on_update ('cascade').on_delete ('cascade')
 
 
 class DbConfig (TypedDict):