richardstartin commented on a change in pull request #7820:
URL: https://github.com/apache/pinot/pull/7820#discussion_r762855592
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/JsonExtractScalarTransformFunction.java
##########
@@ -94,6 +95,7 @@ public void init(List<TransformFunction> arguments,
Map<String, DataSource> data
_defaultValue = dataType.convert(((LiteralTransformFunction)
arguments.get(3)).getLiteral());
}
_resultMetadata = new TransformResultMetadata(dataType, isSingleValue,
false);
+ _jsonPathEvaluator = JsonPathEvaluators.create(_jsonPathString,
_defaultValue);
Review comment:
This is intentionally like this. A plugin may not be implemented in
terms of the JsonPath library, and even if it is, the compilation was cached
across all segments in #7826
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