fix (#30) migrations

Author: grigoriev-semyon

auth_backend/models/db.py

@@ -102,7 +102,7 @@ class AuthMethod(BaseDbModel):
     user_id: Mapped[int] = mapped_column(Integer, ForeignKey("user.id"))
     auth_method: Mapped[str] = mapped_column(String)
     param: Mapped[str] = mapped_column(String)
-    value: Mapped[str] = mapped_column(String)
+    value: Mapped[str] = mapped_column(String, nullable=True)
     is_deleted: Mapped[bool] = mapped_column(Boolean, default=False)
 
     user: Mapped[User] = relationship(

migrations/versions/b07c0ca33c2b_groups.py

@@ -48,12 +48,16 @@ def upgrade():
         ),
         sa.PrimaryKeyConstraint('id'),
     )
-    op.add_column('auth_method', sa.Column('is_deleted', sa.Boolean(), nullable=False))
+    op.add_column('auth_method', sa.Column('is_deleted', sa.Boolean()))
+    op.execute('UPDATE "auth_method" SET is_deleted=false;')
+    op.alter_column('auth_method', 'is_deleted', nullable=False)
     op.alter_column('auth_method', 'user_id', existing_type=sa.INTEGER(), nullable=False)
     op.alter_column('auth_method', 'auth_method', existing_type=sa.VARCHAR(), nullable=False)
     op.alter_column('auth_method', 'param', existing_type=sa.VARCHAR(), nullable=False)
-    op.alter_column('auth_method', 'value', existing_type=sa.VARCHAR(), nullable=False)
-    op.add_column('user', sa.Column('is_deleted', sa.Boolean(), nullable=False))
+    op.alter_column('auth_method', 'value', existing_type=sa.VARCHAR(), nullable=True)
+    op.add_column('user', sa.Column('is_deleted', sa.Boolean()))
+    op.execute('UPDATE "user" SET is_deleted=false;')
+    op.alter_column('user', 'is_deleted', nullable=False)
     op.alter_column('user_session', 'user_id', existing_type=sa.INTEGER(), nullable=False)
     op.alter_column('user_session', 'expires', existing_type=postgresql.TIMESTAMP(), nullable=False)
     op.alter_column('user_session', 'token', existing_type=sa.VARCHAR(), nullable=False)