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fix: Convert old notebook format only once

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1ambda 2017-04-17 17:08:41 +09:00
parent f32651e519
commit 4e77c0a8b8
1 changed files with 4 additions and 0 deletions
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4
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Notebook.java
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@ -414,6 +414,10 @@ public class Notebook implements NoteEventListener {
public void convertFromSingleResultToMultipleResultsFormat(Note note) {
for (Paragraph p : note.paragraphs) {
Object ret = p.getPreviousResultFormat();
if (ret != null && p.results != null) {
continue; // already converted
}
try {
if (ret != null && ret instanceof Map) {
Map r = ((Map) ret);