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danswer/backend/alembic/versions/33ea50e88f24_foreign_key_input_prompts.py
2025-01-31 08:42:28 -08:00

81 lines
1.8 KiB
Python

"""foreign key input prompts
Revision ID: 33ea50e88f24
Revises: a6df6b88ef81
Create Date: 2025-01-29 10:54:22.141765
"""
from alembic import op
# revision identifiers, used by Alembic.
revision = "33ea50e88f24"
down_revision = "a6df6b88ef81"
branch_labels = None
depends_on = None
def upgrade() -> None:
# Safely drop constraints if exists
op.execute(
"""
ALTER TABLE inputprompt__user
DROP CONSTRAINT IF EXISTS inputprompt__user_input_prompt_id_fkey
"""
)
op.execute(
"""
ALTER TABLE inputprompt__user
DROP CONSTRAINT IF EXISTS inputprompt__user_user_id_fkey
"""
)
# Recreate with ON DELETE CASCADE
op.create_foreign_key(
"inputprompt__user_input_prompt_id_fkey",
"inputprompt__user",
"inputprompt",
["input_prompt_id"],
["id"],
ondelete="CASCADE",
)
op.create_foreign_key(
"inputprompt__user_user_id_fkey",
"inputprompt__user",
"user",
["user_id"],
["id"],
ondelete="CASCADE",
)
def downgrade() -> None:
# Drop the new FKs with ondelete
op.drop_constraint(
"inputprompt__user_input_prompt_id_fkey",
"inputprompt__user",
type_="foreignkey",
)
op.drop_constraint(
"inputprompt__user_user_id_fkey",
"inputprompt__user",
type_="foreignkey",
)
# Recreate them without cascading
op.create_foreign_key(
"inputprompt__user_input_prompt_id_fkey",
"inputprompt__user",
"inputprompt",
["input_prompt_id"],
["id"],
)
op.create_foreign_key(
"inputprompt__user_user_id_fkey",
"inputprompt__user",
"user",
["user_id"],
["id"],
)