Raise DatabaseConfigurationError when backward relation name equals table name (#462)

Author: droserasprout

CHANGELOG.md

@@ -10,7 +10,8 @@ and this project adheres to [Semantic Versioning].
 ### Fixed
 
 - codegen: Fixed invalid `models.py` template.
-- context: Do not wrap known exceptions with `CallbackError`
+- context: Do not wrap known exceptions with `CallbackError`.
+- database: Raise `DatabaseConfigurationError` when backward relation name equals table name.
 - database: Wrap schema wiping in a transaction to avoid orphaned tables in the immune schema.
 - hasura: Fixed processing M2M relations.
 - sentry: Fixed "invalid value `environment`" error.

poetry.lock

@@ -15,7 +15,7 @@ async def on_bid(
         id=bid.parameter.__root__,
     ).get()
 
-    bidder, _ = await models.Address.get_or_create(address=bid.data.sender_address)
+    bidder, _ = await models.User.get_or_create(address=bid.data.sender_address)
     await models.Bid(
         auction=auction,
         bidder=bidder,

src/demo_tzcolors/handlers/on_bid.py

@@ -10,7 +10,7 @@ async def on_create_auction(
     create_auction: Transaction[CreateAuctionParameter, TzcolorsAuctionStorage],
 ) -> None:
 
-    holder, _ = await models.Address.get_or_create(address=create_auction.data.sender_address)
+    holder, _ = await models.User.get_or_create(address=create_auction.data.sender_address)
 
     token, _ = await models.Token.get_or_create(
         id=create_auction.parameter.token_id,