wirybeaver commented on PR #12532:
URL: https://github.com/apache/pinot/pull/12532#issuecomment-1984137517
@saurabhd336 Thanks, I have reviewed your PR just a while ago, now I
understand that you want to extract element whose type is exactly an array.
I actually want to make the return_type to an absolute MV, which can
consisting of values from different arrays.
```
String[] records = {
"{\"foo\":[{\"bar\":[\"x\",\"y\"]},{\"bar\":[\"a\",\"b\"]}],\"foo2\":[\"u\"]}",
"{\"foo\":[{\"bar\":[\"y\",\"z\"]}],\"foo2\":[\"u\"]}"
};
```
for example, jsonPath = '.foo[*].bar[0]', return [x, a] for 1st record and
[y] for 2nd record.
Your approach to extracting a pure array element is likely faster. So I am
good to create a new transform function.
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