Waiting for 9.2 – More rewrite-less ALTER TABLE ALTER TYPEs

Three patches for you today, all committed by Robert Hass: On 7th of February, patch: Add a transform function for numeric typmod coercisions.   This enables ALTER TABLE to skip table and index rebuilds when a column is changed to an unconstrained numeric, or when the scale is unchanged and the precision does not decrease. … Continue reading "Waiting for 9.2 – More rewrite-less ALTER TABLE ALTER TYPEs"