Zhong Wang created IOTDB-1885:
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Summary: Type inference
Key: IOTDB-1885
URL: https://issues.apache.org/jira/browse/IOTDB-1885
Project: Apache IoTDB
Issue Type: Improvement
Components: Core/Engine
Reporter: Zhong Wang
Currently, arithmetic operation's inputs/outputs are treated as doubles (See:
ArithmeticBinaryTransformer#evaluate). But sometimes this can be really
unintuitive. For example, the sum of two int32 time series results in a double.
Since we have the metadata of every time series that takes part in the
calculation, we can implement type inference to make the results more intuitive.
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