Github user DylanGuedes commented on the issue:
https://github.com/apache/spark/pull/21045
@mn-mikke I thought that `CodeGenerator.getValue` was directly used to
retrieve values from 1d arrays (such as an arraydata) - but I don't get how to
use it for 2d arrays (such as `Seq[ArrayData[...]]`). Example:
Imagine I have the `ArrayData[] $arrVals` populated with the correct
values. How do I access the i-th element of the j-th expression? At first I
tried `CodeGenerator.getValue("arrVals[j]", typeArray(???), "i")`. My first
question in this case is: there's a way to eval `j` so I could write
`CodeGenerator.getValue("arrVals["+someeval(j)+"]", typeArray(someeval(j)),
"i")`? And the second question is: I don't think that the notion "arrVals[j]"
works (didn't find anything similar in other uses of GetValue), so there's
another way to access a 2d element with getValue? Maybe a getValue calling
another getValue? oO
Thank you!
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