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- /* postgres can not */
- $create = ($item, $_parent) -> { return $item };
- $add = ($state, $item, $_parent) -> { return $item + $state };
- $merge = ($state1, $state2) -> { return $state1 + $state2 };
- $get_result = ($state) -> { return $state };
- $serialize = ($state) -> { return $state };
- $deserialize = ($state) -> { return $state };
- SELECT UDAF(
- length(key),
- $create,
- $add,
- $merge,
- $get_result,
- $serialize,
- $deserialize,
- 0u
- ) FROM plato.Input;
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