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33 lines
859 B
Python
33 lines
859 B
Python
"""Add next_id to Challenges table
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Revision ID: 4d3c1b59d011
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Revises: 6012fe8de495
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Create Date: 2022-04-07 03:53:27.554190
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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 = "4d3c1b59d011"
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down_revision = "6012fe8de495"
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branch_labels = None
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depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column("challenges", sa.Column("next_id", sa.Integer(), nullable=True))
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op.create_foreign_key(
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None, "challenges", "challenges", ["next_id"], ["id"], ondelete="SET NULL"
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)
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_constraint(None, "challenges", type_="foreignkey")
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op.drop_column("challenges", "next_id")
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# ### end Alembic commands ###
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