36 lines
790 B
Python
36 lines
790 B
Python
"""add read-only column
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Revision ID: 220856bbf43b
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Revises: 1dc0fee72dea
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Create Date: 2025-05-13 14:42:17.353614
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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# revision identifiers, used by Alembic.
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revision: str = "220856bbf43b"
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down_revision: Union[str, None] = "1dc0fee72dea"
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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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# add default value of `False`
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op.add_column("block", sa.Column("read_only", sa.Boolean(), nullable=True))
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op.execute(
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f"""
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UPDATE block
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SET read_only = False
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"""
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)
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op.alter_column("block", "read_only", nullable=False)
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def downgrade() -> None:
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op.drop_column("block", "read_only")
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