56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
"""explicit temporary and permanent user locks
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Revision ID: 5f6a7b8c9d0e
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Revises: 4e5f6a7b8c9d
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Create Date: 2026-06-13 18:00:00.000000
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"""
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from __future__ import annotations
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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revision: str = "5f6a7b8c9d0e"
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down_revision: Union[str, None] = "4e5f6a7b8c9d"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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with op.batch_alter_table("campaign_versions") as batch_op:
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batch_op.add_column(sa.Column("user_lock_state", sa.String(length=20), nullable=True))
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batch_op.add_column(sa.Column("user_locked_at", sa.DateTime(timezone=True), nullable=True))
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batch_op.add_column(sa.Column("user_locked_by_user_id", sa.String(length=36), nullable=True))
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batch_op.create_foreign_key(
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"fk_campaign_versions_user_locked_by_user_id_users",
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"users",
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["user_locked_by_user_id"],
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["id"],
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ondelete="SET NULL",
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)
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batch_op.create_index("ix_campaign_versions_user_lock_state", ["user_lock_state"])
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batch_op.create_index("ix_campaign_versions_user_locked_by_user_id", ["user_locked_by_user_id"])
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# Existing published snapshots were the former irreversible user lock.
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op.execute(
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"""
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UPDATE campaign_versions
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SET user_lock_state = 'permanent',
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user_locked_at = published_at,
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user_locked_by_user_id = NULL
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WHERE published_at IS NOT NULL
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AND user_lock_state IS NULL
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"""
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)
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def downgrade() -> None:
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with op.batch_alter_table("campaign_versions") as batch_op:
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batch_op.drop_index("ix_campaign_versions_user_locked_by_user_id")
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batch_op.drop_index("ix_campaign_versions_user_lock_state")
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batch_op.drop_constraint("fk_campaign_versions_user_locked_by_user_id_users", type_="foreignkey")
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batch_op.drop_column("user_locked_by_user_id")
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batch_op.drop_column("user_locked_at")
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batch_op.drop_column("user_lock_state")
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