-- Copyright (c) 2025-2026 Probo Inc . -- -- Permission is hereby granted, free of charge, to any person obtaining a copy -- of this software and associated documentation files (the "Software"), to deal -- in the Software without restriction, including without limitation the rights -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -- copies of the Software, and to permit persons to whom the Software is -- furnished to do so, subject to the following conditions: -- -- The above copyright notice and this permission notice shall be included in -- all copies or substantial portions of the Software. -- -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -- SOFTWARE. CREATE TYPE control_importance AS ENUM ('MANDATORY', 'PREFERRED', 'ADVANCED'); ALTER TABLE controls ADD COLUMN importance control_importance NOT NULL DEFAULT 'MANDATORY'; ALTER TABLE controls ALTER COLUMN importance DROP DEFAULT; ALTER TABLE tasks ADD COLUMN time_estimate INTERVAL NOT NULL DEFAULT '00:30:00'; ALTER TABLE tasks ALTER COLUMN time_estimate DROP DEFAULT;