From 90eaf097bb32c5f0070f0290504f0c94f9d10d7b Mon Sep 17 00:00:00 2001 From: coolneng Date: Thu, 11 Feb 2021 18:49:22 +0100 Subject: [PATCH] Remove foreign key conflicts --- ...c7393c858_resolve_foreign_key_conflicts.py | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 migrations/versions/f6ec7393c858_resolve_foreign_key_conflicts.py diff --git a/migrations/versions/f6ec7393c858_resolve_foreign_key_conflicts.py b/migrations/versions/f6ec7393c858_resolve_foreign_key_conflicts.py new file mode 100644 index 0000000..7c2310c --- /dev/null +++ b/migrations/versions/f6ec7393c858_resolve_foreign_key_conflicts.py @@ -0,0 +1,52 @@ +"""resolve foreign key conflicts + +Revision ID: f6ec7393c858 +Revises: e35936e392dd +Create Date: 2021-02-10 17:31:22.145457 + +""" +import sqlalchemy as sa +from alembic import op + +# revision identifiers, used by Alembic. +revision = "f6ec7393c858" +down_revision = "e443e876bf33" +branch_labels = None +depends_on = None + + +def upgrade(): + foreign_keys = { + "users": "city_id", + "games": "sports_id", + "venues": "user_id", + "venue_images": "user_id", + } + for table, field in foreign_keys.items(): + if table == "venues" or table == "venue_images": + query = f"UPDATE {table} SET {field} = 1976 WHERE {field} = 0" + else: + query = f"UPDATE {table} SET {field} = 1 WHERE {field} = 0" + op.execute(query) + game_id_tables = [ + "player_availabilities", + "teams", + "user_ratings", + "purchase_games", + "payments", + "player_cancel_games", + ] + venue_id_tables = [ + "venue_images", + "games", + ] + for table in game_id_tables: + query = f"DELETE FROM {table} WHERE game_id NOT IN (SELECT id from games)" + op.execute(query) + for table in venue_id_tables: + query = f"DELETE FROM {table} WHERE venue_id NOT IN (SELECT id from venues)" + op.execute(query) + + +def downgrade(): + pass