xiangfu0 opened a new pull request, #13176:
URL: https://github.com/apache/pinot/pull/13176
Support `funnelMaxStep` function to calculate max funnel steps for a giving
sliding window.
The syntax is:
```
FunnelMaxStep(timestampExpression, windowSize, ARRAY[stepExpression, ..])
```
- timestampExpression is `TIMESTAMP` or `LONG` type
- windowSize is `LONG` which indicate the sliding window size based on the
value from `timestampExpression`
- ARRAY[stepExpression, ..] is the steps to match.
Sample query:
```
SELECT
userId,
FunnelMaxStep(
timestampCol,
'1000',
ARRAY[
url = '/product/search',
url = '/cart/add',
url = '/checkout/start',
url = '/checkout/confirmation
] )
FROM myTable
GROUP BY userId
ORDER BY userId
```
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