olivrlee commented on code in PR #3408:
URL: https://github.com/apache/calcite/pull/3408#discussion_r1325154324
##########
core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
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@@ -404,56 +405,70 @@ private Pattern validateRegexPattern(String regex, String
methodName) {
}
}
- /** Helper for multiple capturing group regex check in REGEXP_EXTRACT fns.
*/
+ /** Helper for multiple capturing group regex check in REGEXP_* fns. */
private void checkMultipleCapturingGroupsInRegex(Matcher matcher, String
methodName) {
if (matcher.groupCount() > 1) {
throw RESOURCE.multipleCapturingGroupsForRegexpExtract(
Integer.toString(matcher.groupCount()), methodName).ex();
}
}
+ /** Helper for checking values of position and occurrence arguments in
REGEXP_* fns.
+ * Regex Fns not using occurrencePosition param pass a default value as 0.
Review Comment:
lowercase `fns` to keep consistent
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