kopia lustrzana https://github.com/bugout-dev/moonstream
61 wiersze
1.7 KiB
Python
61 wiersze
1.7 KiB
Python
"""Support labels on transactions
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Revision ID: 72f1ad512b2e
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Revises: ecb7817db377
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Create Date: 2021-09-02 22:59:46.408595
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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 = "72f1ad512b2e"
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down_revision = "ecb7817db377"
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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.add_column(
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"ethereum_labels",
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sa.Column("transaction_hash", sa.VARCHAR(length=256), nullable=True),
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)
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op.alter_column(
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"ethereum_labels", "address_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.create_index(
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op.f("ix_ethereum_labels_transaction_hash"),
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"ethereum_labels",
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["transaction_hash"],
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unique=False,
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)
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op.create_foreign_key(
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op.f("fk_ethereum_labels_transaction_hash_ethereum_transactions"),
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"ethereum_labels",
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"ethereum_transactions",
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["transaction_hash"],
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["hash"],
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ondelete="CASCADE",
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)
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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_constraint(
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op.f("fk_ethereum_labels_transaction_hash_ethereum_transactions"),
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"ethereum_labels",
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type_="foreignkey",
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)
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op.drop_index(
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op.f("ix_ethereum_labels_transaction_hash"), table_name="ethereum_labels"
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)
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op.execute("DELETE FROM ethereum_labels WHERE address_id IS NULL;")
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op.alter_column(
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"ethereum_labels", "address_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.drop_column("ethereum_labels", "transaction_hash")
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# ### end Alembic commands ###
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