53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
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"""add foreign keys
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Revision ID: e443e876bf33
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Revises: f8ef6bad794a
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Create Date: 2020-10-26 14:37:21.156557
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = "e443e876bf33"
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down_revision = "f8ef6bad794a"
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branch_labels = None
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depends_on = None
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def upgrade():
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tables = {
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"games": ["user_id", "city_id", "venue_id", "sports_id"],
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"payments": ["user_id", "game_id"],
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"player_availabilities": ["game_id", "player_id"],
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"player_cancel_games": ["game_id", "player_id"],
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"purchase_games": ["game_id", "user_id"],
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"teams": ["game_id", "user_id"],
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"users": ["city_id"],
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"user_ratings": ["game_id", "user_id", "player_id"],
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"venues": ["user_id", "sports_id"],
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"venue_images": ["venue_id", "user_id"],
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}
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referent_tables = {
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"user_id": "users",
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"city_id": "cities",
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"venue_id": "venues",
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"sports_id": "sports",
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"game_id": "games",
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"player_id": "users",
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}
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for table, field in tables.items():
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for item in field:
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with op.batch_alter_table(table) as batch_op:
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batch_op.create_foreign_key(
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constraint_name="fk_{}".format(item),
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referent_table=referent_tables[item],
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local_cols=[item],
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remote_cols=["id"],
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)
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def downgrade():
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pass
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