aokolnychyi commented on a change in pull request #1335:
URL: https://github.com/apache/iceberg/pull/1335#discussion_r470035342
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File path: core/src/main/java/org/apache/iceberg/mapping/NameMapping.java
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@@ -43,31 +44,45 @@ public static NameMapping of(MappedFields fields) {
}
private final MappedFields mapping;
- private final Map<Integer, MappedField> fieldsById;
- private final Map<String, MappedField> fieldsByName;
+ private transient Map<Integer, MappedField> fieldsById;
+ private transient Map<String, MappedField> fieldsByName;
NameMapping(MappedFields mapping) {
this.mapping = mapping;
- this.fieldsById = MappingUtil.indexById(mapping);
- this.fieldsByName = MappingUtil.indexByName(mapping);
+ lazyFieldsById();
Review comment:
Same here.
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