mayya-sharipova commented on a change in pull request #11:
URL: https://github.com/apache/lucene/pull/11#discussion_r596391496
##########
File path: lucene/core/src/java/org/apache/lucene/index/FieldInfos.java
##########
@@ -796,167 +565,97 @@ public void add(FieldInfos other) {
/** Create a new field, or return existing one. */
public FieldInfo getOrAdd(String name) {
FieldInfo fi = fieldInfo(name);
- if (fi == null) {
- assert assertNotFinished();
- // This field wasn't yet added to this in-RAM
- // segment's FieldInfo, so now we get a global
- // number for this field. If the field was seen
- // before then we'll get the same name and number,
- // else we'll allocate a new one:
- final boolean isSoftDeletesField =
name.equals(globalFieldNumbers.softDeletesFieldName);
- final int fieldNumber =
- globalFieldNumbers.addOrGet(
- name,
- -1,
- IndexOptions.NONE,
- DocValuesType.NONE,
- 0,
- 0,
- 0,
- 0,
- VectorValues.SearchStrategy.NONE,
- isSoftDeletesField);
- fi =
- new FieldInfo(
- name,
- fieldNumber,
- false,
- false,
- false,
- IndexOptions.NONE,
- DocValuesType.NONE,
- -1,
- new HashMap<>(),
- 0,
- 0,
- 0,
- 0,
- VectorValues.SearchStrategy.NONE,
- isSoftDeletesField);
- assert !byName.containsKey(fi.name);
- globalFieldNumbers.verifyConsistent(
- Integer.valueOf(fi.number), fi.name, DocValuesType.NONE);
- byName.put(fi.name, fi);
+ if (fi != null) {
+ return fi;
+ } else {
+ return addField(
+ name,
+ -1,
+ false,
+ false,
+ false,
+ IndexOptions.NONE,
+ DocValuesType.NONE,
+ -1,
+ new HashMap<>(),
+ 0,
+ 0,
+ 0,
+ 0,
+ VectorValues.SearchStrategy.NONE,
+ name.equals(globalFieldNumbers.softDeletesFieldName));
}
+ }
- return fi;
+ public FieldInfo add(FieldInfo fi) {
+ return add(fi, -1);
+ }
+
+ public FieldInfo add(FieldInfo fi, long dvGen) {
+ // IMPORTANT - reuse the field number if possible for consistent field
numbers across segments
+ if (fi.getDocValuesType() == null) {
+ throw new NullPointerException("DocValuesType must not be null");
+ }
+ final FieldInfo curFi = fieldInfo(fi.name);
+ if (curFi == null) {
+ // original attributes is UnmodifiableMap
+ Map<String, String> attributes =
+ fi.attributes() == null ? null : new HashMap<>(fi.attributes());
+ return addField(
+ fi.name,
+ fi.number,
+ fi.hasVectors(),
+ fi.omitsNorms(),
+ fi.hasPayloads(),
+ fi.getIndexOptions(),
+ fi.getDocValuesType(),
+ dvGen,
+ attributes,
+ fi.getPointDimensionCount(),
+ fi.getPointIndexDimensionCount(),
+ fi.getPointNumBytes(),
+ fi.getVectorDimension(),
+ fi.getVectorSearchStrategy(),
+ fi.isSoftDeletesField());
+ } else {
+ curFi.verifySameSchema(fi, dvGen);
Review comment:
We indeed can use `equals` to compare, but then we would be able to
return only a general error message without the ability to specify which
specific options are different.
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