31 lines
706 B
Python
31 lines
706 B
Python
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"""persist backend node ownership for active sessions
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Revision ID: d3a9f6b2c8e1
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Revises: c2d7e9f4a1b6
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Create Date: 2026-09-24
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"""
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import sqlalchemy as sa
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from alembic import op
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revision = "d3a9f6b2c8e1"
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down_revision = "c2d7e9f4a1b6"
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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(
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"sessions",
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sa.Column("backend_node_id", sa.String(length=128), nullable=True),
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)
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op.create_index(
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"ix_sessions_backend_node_active",
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"sessions",
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["backend_node_id", "ended_at"],
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)
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def downgrade() -> None:
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op.drop_index("ix_sessions_backend_node_active", table_name="sessions")
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op.drop_column("sessions", "backend_node_id")
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