Hi Julian,
it seems to me that
org.apache.calcite.rel.type.RelDataTypeFactoryImpl.JavaType, which is a
subtype of RelDataType, would be the best place to model this. How about
I add an Accessor contract and a field to JavaType to take care of
producing expressions for the enumerable adapater?
Thanks for doing these experiments, Christian, and documenting what you found.
I think you’re running into the limitations of ReflectiveSchema. It works with
POJOs (java classes with public fields) but hasn’t been tested for richer
variations and therefore just doesn’t work. In many cases, it ca
Hello,
in my recent experiments I ran into some issues when trying to unnest an
array of struct.
The query is roughly this: select t.id, e.value1 from MyTable t,
unnest(t.structArray) e
EnumerableTableScan#fieldExpression will then try to generate code that
converts the value of the "struc
