55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
"""relationship: fix unique relationship
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Revision ID: 58a11441d302
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Revises: 1178d0758ebf
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Create Date: 2025-08-01 04:23:02.498166
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"""
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from __future__ import annotations
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from collections.abc import Sequence
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import mysql
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# revision identifiers, used by Alembic.
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revision: str = "58a11441d302"
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down_revision: str | Sequence[str] | None = "1178d0758ebf"
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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"""Upgrade schema."""
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column(
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"relationship",
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sa.Column("id", sa.BigInteger(), autoincrement=True, nullable=False),
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)
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op.drop_constraint("PRIMARY", "relationship", type_="primary")
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op.create_primary_key("pk_relationship", "relationship", ["id"])
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op.alter_column(
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"relationship", "user_id", existing_type=mysql.BIGINT(), nullable=True
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)
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op.alter_column(
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"relationship", "target_id", existing_type=mysql.BIGINT(), nullable=True
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)
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# ### end Alembic commands ###
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def downgrade() -> None:
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"""Downgrade schema."""
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_constraint("pk_relationship", "relationship", type_="primary")
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op.create_primary_key("PRIMARY", "relationship", ["user_id", "target_id"])
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op.alter_column(
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"relationship", "target_id", existing_type=mysql.BIGINT(), nullable=False
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)
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op.alter_column(
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"relationship", "user_id", existing_type=mysql.BIGINT(), nullable=False
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)
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op.drop_column("relationship", "id")
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# ### end Alembic commands ###
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