8 lines
351 B
MySQL
8 lines
351 B
MySQL
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ALTER TABLE locations_wall_outlets
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ADD COLUMN IF NOT EXISTS cross_field_port_id INTEGER
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REFERENCES locations_cross_field_ports(id) ON DELETE SET NULL;
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CREATE UNIQUE INDEX IF NOT EXISTS idx_wall_outlet_cross_field_port_active
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ON locations_wall_outlets(cross_field_port_id)
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WHERE cross_field_port_id IS NOT NULL AND deleted_at IS NULL;
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