jtuglu1 commented on code in PR #18949:
URL: https://github.com/apache/druid/pull/18949#discussion_r2726822436
##########
extensions-core/datasketches/src/main/java/org/apache/druid/query/aggregation/datasketches/quantiles/sql/DoublesSketchApproxQuantileSqlAggregator.java:
##########
@@ -98,7 +99,14 @@ public Aggregation toDruidAggregation(
return null;
}
- final float probability = ((Number)
RexLiteral.value(probabilityArg)).floatValue();
+ final Object probabilityValue = RexLiteral.value(probabilityArg);
+ if (!(probabilityValue instanceof Number)) {
+ throw InvalidSqlInput.exception(
+ "DS_QUANTILES_SKETCH probability parameter must be a numeric
literal, got %s",
Review Comment:
I wonder if we can template this error a bit better to make it uniform and
easier for callers to access (this should make it easier for new use-cases to
adopt it).
Maybe something like:
```java
public static DruidException parameterTypeException(String function,
String expectedType, Object... args)
{
return DruidException.fromFailure(new InvalidSqlInput("{function}
parameter `{parameter}` must be a {expectedType} literal, got `%s`", msg,
args));
}
```
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