siddharthteotia commented on a change in pull request #8138:
URL: https://github.com/apache/pinot/pull/8138#discussion_r800105440
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File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/CaseTransformFunction.java
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@@ -102,8 +104,9 @@ private TransformResultMetadata calculateResultMetadata() {
for (int i = 0; i < numThenStatements; i++) {
TransformFunction thenStatement = _elseThenStatements.get(i + 1);
TransformResultMetadata thenStatementResultMetadata =
thenStatement.getResultMetadata();
- Preconditions.checkState(thenStatementResultMetadata.isSingleValue(),
- String.format("Unsupported multi-value expression in the THEN clause
of index: %d", i));
+ if (!thenStatementResultMetadata.isSingleValue()) {
Review comment:
Why do this instead of `Preconditions.checkState()` ?
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