35 lines
989 B
Python
35 lines
989 B
Python
"""crear tablas
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Revision ID: e59d56a35fe9
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Revises:
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Create Date: 2025-12-22 19:05:11.969285
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"""
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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 identifiers, used by Alembic.
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revision: str = 'e59d56a35fe9'
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down_revision: Union[str, Sequence[str], None] = None
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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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"""Upgrade schema."""
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column('projects', sa.Column('parent_id', sa.Integer(), nullable=True))
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op.create_foreign_key(None, 'projects', 'projects', ['parent_id'], ['id'])
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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(None, 'projects', type_='foreignkey')
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op.drop_column('projects', 'parent_id')
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# ### end Alembic commands ###
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