zhtaoxiang commented on code in PR #11478:
URL: https://github.com/apache/pinot/pull/11478#discussion_r1313243577
##########
pinot-core/src/main/java/org/apache/pinot/core/query/optimizer/filter/NumericalFilterOptimizer.java:
##########
@@ -334,14 +334,12 @@ private static Expression
rewriteRangeExpression(Expression range, FilterKind ki
// Literal value is less than the bounds of LONG.
return getExpressionFromBoolean(
kind == FilterKind.GREATER_THAN || kind ==
FilterKind.GREATER_THAN_OR_EQUAL);
- } else {
- int comparison = Double.compare(actual, converted);
- // Rewrite range operator
- rewriteRangeOperator(range, kind, comparison);
-
- // Rewrite range literal
- rhs.getLiteral().setDoubleValue(converted);
}
+ // Do not rewrite range operator since double has higher precision
than float
+ // If we do, we may introduce problems.
+ // For example, in the previous logic, "> 0.5" will be converted
into ">= 0.05000000074505806". When the
Review Comment:
good catch!
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