s1monw commented on code in PR #12829:
URL: https://github.com/apache/lucene/pull/12829#discussion_r1435809808
##########
lucene/core/src/java/org/apache/lucene/index/FieldInfos.java:
##########
@@ -437,6 +486,31 @@ private void verifySoftDeletedFieldName(String fieldName,
boolean isSoftDeletesF
}
}
+ private void verifyParentFieldName(String fieldName, boolean
isParentField) {
+ if (isParentField) {
+ if (parentFieldName == null) {
+ throw new IllegalArgumentException(
+ "this index has ["
+ + fieldName
+ + "] as parent document field already but parent document
field is not configured in IWC");
+ } else if (fieldName.equals(parentFieldName) == false) {
+ throw new IllegalArgumentException(
+ "cannot configure ["
+ + parentFieldName
+ + "] as parent document field ; this index uses ["
+ + fieldName
+ + "] as parent document field already");
+ }
+ } else if (fieldName.equals(parentFieldName)) {
+ throw new IllegalArgumentException(
+ "cannot configure ["
+ + parentFieldName
+ + "] as parent document field ; this index uses ["
Review Comment:
so my way of thinking is that `parentFieldName` is coming from IWC
essentially but it's not there. Pretty much the same thing as the softdeletes
equivalent above.
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