szehon-ho commented on code in PR #5376:
URL: https://github.com/apache/iceberg/pull/5376#discussion_r1024931871
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api/src/main/java/org/apache/iceberg/Schema.java:
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@@ -233,6 +233,16 @@ public Map<String, Integer> getAliases() {
return aliasToId;
}
+ /**
+ * Returns a map for this schema between field id and qualified field names.
Initializes the map,
+ * if it has not been initialized by calls to {@link #findColumnName(int)}.
+ *
+ * @return a map of field id to qualified field names
+ */
+ public Map<Integer, String> idToName() {
Review Comment:
Yea I had a memory of discussing this with @aokolnychyi but cant remember
now for sure :)
From looking now, I guess I need the list of ids as well, and so thought
might as well return the map (as laziness wise its just as expensive to compute
list of ids as the whole map). I updated the comment, but let me know if you
prefer something else.
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