#3 answers.answered 移転

migrations/2024_12_02_005500_create_answered_flags.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+from ..config import CONFIG
+from eloquent import DatabaseManager, Schema
+
+DB = DatabaseManager (CONFIG)
+SCHEMA = Schema (DB)
+
+
+def main (
+) -> None:
+    create_answered_flags ()
+    drop_answered_column_in_answers ()
+
+
+def create_answered_flags (
+) -> None:
+    with SCHEMA.create ('answered_flags') as table:
+        table.big_increments ('id')
+        table.unsigned_big_integer ('answer_id').comment ('回答')
+        table.integer ('platform').comment ('プラットフォーム区分')
+        table.boolean ('answered').default (False).comment ('回答済')
+        table.unique (['answered_id', 'platform'])
+        table.foreign ('answered_id').references ('id').on ('answers').on_update ('cascade').on_delete ('cascade')
+
+
+def drop_answered_column_in_answers (
+) -> None:
+    with SCHEMA.table ('answers') as table:
+        table.drop_column ('answered')
+
+
+if __name__ == '__main__':
+    main ()