fix serialization for RexCalls in sql-api projections#564
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zkaoudi
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May 13, 2025
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RexNodes and inheritors ofRexNodeare not serializable by default in Calcite, and the serialisation utils are in their infancy. Similar approach should be used in theFilterPredicateImpl, https://github.com/apache/incubator-wayang/blob/main/wayang-api/wayang-api-sql/src/main/java/org/apache/wayang/api/sql/calcite/converter/functions/FilterPredicateImpl.java