47 lines
No EOL
1.9 KiB
Python
47 lines
No EOL
1.9 KiB
Python
"""Add file_signatures table for incremental loading
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Revision ID: incremental_file_signatures
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Revises: 1d0bb7fede17
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Create Date: 2025-01-27 12:00:00.000000
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import postgresql
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from uuid import uuid4
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# revision identifiers, used by Alembic.
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revision = 'incremental_file_signatures'
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down_revision = '1d0bb7fede17'
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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.create_table('file_signatures',
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sa.Column('id', sa.UUID(), nullable=False, default=uuid4),
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sa.Column('data_id', sa.UUID(), nullable=True),
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sa.Column('file_path', sa.String(), nullable=True),
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sa.Column('file_size', sa.Integer(), nullable=True),
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sa.Column('content_hash', sa.String(), nullable=True),
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sa.Column('total_blocks', sa.Integer(), nullable=True),
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sa.Column('block_size', sa.Integer(), nullable=True),
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sa.Column('strong_len', sa.Integer(), nullable=True),
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sa.Column('signature_data', sa.LargeBinary(), nullable=True),
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sa.Column('blocks_info', sa.JSON(), nullable=True),
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sa.Column('created_at', sa.DateTime(timezone=True), nullable=True),
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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_file_signatures_data_id'), 'file_signatures', ['data_id'], unique=False)
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op.create_index(op.f('ix_file_signatures_content_hash'), 'file_signatures', ['content_hash'], unique=False)
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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_index(op.f('ix_file_signatures_content_hash'), table_name='file_signatures')
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op.drop_index(op.f('ix_file_signatures_data_id'), table_name='file_signatures')
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op.drop_table('file_signatures')
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# ### end Alembic commands ### |