renatocron commented on PR #19239:
URL: https://github.com/apache/druid/pull/19239#issuecomment-4411016712
Hello, Good work on release 37!
Was dropping `JavaScriptParseSpec` purely a "no one was using it" call, or
is there a longer-term plan to phase JS out more broadly?
Asking because I'm currently relying on JS at the aggregation layer for
things like a bitwise day-of-week mask during rollup:
```json
{
"type": "javascript",
"name": "days_mask",
"fieldNames": ["day_of_week"],
"fnAggregate": "function(current, dow) { return current | (1 << dow); }",
"fnCombine": "function(a, b) { return a | b; }",
"fnReset": "function() { return 0; }"
}
```
No native `longBitwiseOr` aggregator exists afaik, so JS is the only real
option here.
Would love to know if this is on borrowed time or not
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