23 lines
604 B
Python
23 lines
604 B
Python
"""Track the knowledge chunk format so existing documents can be reindexed.
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Revision ID: 0002
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Revises: 0001
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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 = "0002"
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down_revision = "0001"
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branch_labels = None
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depends_on = None
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def upgrade():
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columns = {column["name"] for column in sa.inspect(op.get_bind()).get_columns("knowledge_documents")}
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if "index_version" not in columns:
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op.add_column("knowledge_documents", sa.Column("index_version", sa.Integer(), nullable=False, server_default="1"))
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def downgrade():
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op.drop_column("knowledge_documents", "index_version")
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