Timo Walther created FLINK-8921:
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Summary: Split code generated call expression
Key: FLINK-8921
URL: https://issues.apache.org/jira/browse/FLINK-8921
Project: Flink
Issue Type: Improvement
Components: Table API & SQL
Reporter: Timo Walther
In FLINK-8274 we introduced the possibility of splitting the generated code
into multiple methods in order to exceed the JVMs maximum method size (see also
https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.9).
At the moment we only split methods by fields, however, this is not enough in
all case. We should also split expressions. I suggest to split the operands of
a {{RexCall}} in {{org.apache.flink.table.codegen.CodeGenerator#visitCall}} if
we reach a certain threshold. However, this should happen as lazily as possible
to keep the runtime overhead low.
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