Tulir Asokan
36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
"""Add metadata to TelegramFile
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Revision ID: cfc972368e50
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Revises: 501dad2868bc
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Create Date: 2018-03-09 16:07:01.236712
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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 = 'cfc972368e50'
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down_revision = '501dad2868bc'
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branch_labels = None
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depends_on = None
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def upgrade():
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with op.batch_alter_table("telegram_file") as batch_op:
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batch_op.add_column(sa.Column('size', sa.Integer(), nullable=True))
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batch_op.add_column(sa.Column('width', sa.Integer(), nullable=True))
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batch_op.add_column(sa.Column('height', sa.Integer(), nullable=True))
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batch_op.add_column(sa.Column('thumbnail', sa.String(), nullable=True))
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batch_op.create_foreign_key(constraint_name="fk_file_thumbnail",
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referent_table="telegram_file",
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local_cols=['thumbnail'],
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remote_cols=['id'])
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def downgrade():
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with op.batch_alter_table("telegram_file") as batch_op:
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batch_op.drop_column('size')
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batch_op.drop_column('width')
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batch_op.drop_column('height')
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batch_op.drop_column('thumbnail')
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