nizarhejazi commented on issue #9204:
URL: https://github.com/apache/pinot/issues/9204#issuecomment-1288191798
@Jackie-Jiang @walterddr I get back the reference of the string array
created by `Split`:
Query: `split('a,b,c', ',')`
Result: `[Ljava.lang.String;@5edb4950`
As a result, `Split` does not work w/ array functions:
Query: `arraylength(split('a,b,c', ','))`
Result: `IllegalArgumentException: The argument of ARRAYLENGTH transform
function must be a multi-valued column or a transform function`
Query: `arrayIndexOfString(split('a,b,c', ','), 'a')`
Result: `-1`
Query: `arrayElementAtString(split('a,b,c', ','), 1)`
Result: `[Ljava.lang.String;@2f9a7d52`
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