70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
"""Add users table and update todos
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Revision ID: 2_add_users_table_and_update_todos
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Revises: 1_initial_create_todos_table
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Create Date: 2023-07-20 10:00:00.000000
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"""
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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 = '2_add_users_table_and_update_todos'
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down_revision = '1_initial_create_todos_table'
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branch_labels = None
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depends_on = None
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def upgrade():
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# Create users table
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op.create_table(
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'users',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('email', sa.String(), nullable=False),
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sa.Column('username', sa.String(), nullable=False),
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sa.Column('hashed_password', sa.String(), nullable=False),
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sa.Column('is_active', sa.Boolean(), nullable=True, default=True),
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sa.Column('is_superuser', sa.Boolean(), nullable=True, default=False),
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sa.Column(
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'created_at',
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sa.DateTime(timezone=True),
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server_default=sa.text('(CURRENT_TIMESTAMP)'),
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nullable=True,
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),
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sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True),
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sa.PrimaryKeyConstraint('id'),
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)
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op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
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op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False)
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op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=True)
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# Add owner_id column to todos table
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op.add_column('todos', sa.Column('owner_id', sa.Integer(), nullable=True))
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# Create foreign key from todos to users
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op.create_foreign_key(
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'fk_todos_owner_id_users',
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'todos', 'users',
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['owner_id'], ['id'],
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)
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# Update all existing todos to have owner_id = 1 (first user)
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op.execute("UPDATE todos SET owner_id = 1")
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# Make owner_id non-nullable after updating existing todos
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op.alter_column('todos', 'owner_id', nullable=False)
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def downgrade():
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# Drop foreign key constraint
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op.drop_constraint('fk_todos_owner_id_users', 'todos', type_='foreignkey')
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# Drop owner_id column from todos
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op.drop_column('todos', 'owner_id')
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# Drop users table
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op.drop_index(op.f('ix_users_username'), table_name='users')
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op.drop_index(op.f('ix_users_id'), table_name='users')
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op.drop_index(op.f('ix_users_email'), table_name='users')
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op.drop_table('users')
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