src/backend/utils/adt/varbit.c · 973e9fb294dc05a384ecae7623923ae53cb81806 · Jakob Huber / postgres-lambda-diff

13 years ago

Add a transform function for varbit typmod coercisions. · f7d7dade

Robert Haas authored 13 years ago

This enables ALTER TABLE to skip table and index rebuilds when the
new type is unconstraint varbit, or when the allowable number of bits
is not decreasing.

Noah Misch, with review and a fix for an OID collision by me.

f7d7dade

History

Add a transform function for varbit typmod coercisions.

Robert Haas authored 13 years ago

This enables ALTER TABLE to skip table and index rebuilds when the
new type is unconstraint varbit, or when the allowable number of bits
is not decreasing.

Noah Misch, with review and a fix for an OID collision by me.