julianhyde commented on code in PR #3460:
URL: https://github.com/apache/calcite/pull/3460#discussion_r1370825644
##########
core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
##########
@@ -431,12 +438,41 @@ private static boolean checkPosOccurrenceParamValues(int
position,
throw
RESOURCE.invalidIntegerInputForRegexpFunctions(Integer.toString(occurrencePosition),
"occurrence_position", methodName).ex();
}
- if (position <= value.length()) {
+ if (position > value.length()) {
return false;
}
return true;
Review Comment:
Good point, Tanner. It vindicates my philosophy that method's name and
javadoc should say what the method does and returns.
That a method is named `checkXxx` and returns `boolean` (or throws) is a
code smell. Note that the other `checkXxx` methods are `void`. As soon as a
method's return changes from `void` to `boolean` you should rename it and
re-write its javadoc.
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