danny0405 commented on code in PR #8711:
URL: https://github.com/apache/hudi/pull/8711#discussion_r1194606109
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hudi-flink-datasource/hudi-flink1.13.x/src/main/java/org/apache/hudi/table/format/cow/vector/reader/RowColumnReader.java:
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@@ -44,7 +44,12 @@ public void readToVector(int readNumber,
WritableColumnVector vector) throws IOE
// row vector null array
boolean[] isNulls = new boolean[readNumber];
for (int i = 0; i < vectors.length; i++) {
- fieldReaders.get(i).readToVector(readNumber, vectors[i]);
+ // schema evolution: read the file with a new extended field name.
+ if (fieldReaders.get(i) == null) {
+ vectors[i].fillWithNulls();
+ } else {
Review Comment:
Guess the vector should never be null now?
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