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29 lines
1.1 KiB
Python
29 lines
1.1 KiB
Python
"""Add dataset reference and provenance metadata columns."""
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from alembic import op
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import sqlalchemy as sa
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revision = "202606120001"
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down_revision = "20260611212435"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.add_column("datasets", sa.Column("dataset_role", sa.Text(), nullable=False, server_default="source"))
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op.add_column("datasets", sa.Column("source_name", sa.Text(), nullable=True))
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op.add_column("datasets", sa.Column("reference_layer_name", sa.Text(), nullable=True))
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op.add_column("datasets", sa.Column("source_metadata", sa.JSON(), nullable=True))
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op.add_column("datasets", sa.Column("provenance_metadata", sa.JSON(), nullable=True))
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op.add_column("datasets", sa.Column("imported_at", sa.DateTime(timezone=True), server_default=sa.text("NOW()"), nullable=False))
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def downgrade() -> None:
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op.drop_column("datasets", "imported_at")
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op.drop_column("datasets", "provenance_metadata")
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op.drop_column("datasets", "source_metadata")
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op.drop_column("datasets", "reference_layer_name")
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op.drop_column("datasets", "source_name")
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op.drop_column("datasets", "dataset_role")
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