Answer / guest

Cause: A SELECT or FETCH may specify a column list to be
coerced into a variable which is a collection of records.
This is type checked as correct, but not yet supported
because of the implicit layout change required.

Action: Express the SELECT with an object constructor around
the columns and use a collection of objects as an INTO
variable. Or, build the collection one row at a time
coercing each row into a record which happens to be an
element. Or, use a record of collections.

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