Reset inherited flags on chunks attached to a hypertable - #10393
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Attaching an existing table as a chunk uses ALTER TABLE ... INHERIT, which raises the inheritance count of the child columns and constraints but leaves them marked as locally defined. A chunk is meant to be a pure inheritance child, so a later DROP COLUMN or DROP CONSTRAINT on the hypertable did not reach such a chunk and left an orphaned column or constraint behind instead. Clear the local flag on the inherited columns and constraints when a chunk is attached so schema changes on the hypertable propagate to it. Also add a migration that fixes chunks already left in this state by an earlier detach and attach round-trip.
svenklemm
enabled auto-merge (rebase)
August 3, 2026 18:02
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Attaching an existing table as a chunk uses ALTER TABLE ... INHERIT,
which raises the inheritance count of the child columns and constraints
but leaves them marked as locally defined. A chunk is meant to be a pure
inheritance child, so a later DROP COLUMN or DROP CONSTRAINT on the
hypertable did not reach such a chunk and left an orphaned column or
constraint behind instead.
Clear the local flag on the inherited columns and constraints when a
chunk is attached so schema changes on the hypertable propagate to it.
Also add a migration that fixes chunks already left in this state by an
earlier detach and attach round-trip.