table: Make with_mut_schema clone-on-write
#1530
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Avoid incrementing the refcount of the schema before mutating, so it gets modified in place if no other reference is live.
kim
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no runtime change
bfops
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release-any
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I'm removing the |
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Avoid incrementing the refcount of the schema before mutating, so it
gets modified in place if no other reference is live.
Expected complexity level and risk
1