saowu commented on code in PR #16595:
URL:
https://github.com/apache/dolphinscheduler/pull/16595#discussion_r1768160283
##########
dolphinscheduler-task-plugin/dolphinscheduler-task-sql/src/main/java/org/apache/dolphinscheduler/plugin/task/sql/SqlTask.java:
##########
@@ -253,9 +255,18 @@ private String resultProcess(ResultSet resultSet) throws
Exception {
: JSONUtils.toJsonString(resultJSONArray);
if (Boolean.TRUE.equals(sqlParameters.getSendEmail())) {
+ resultJSONArray.forEach(row -> {
+ row.fields().forEachRemaining(field -> {
+ if (field.getValue() instanceof NullNode) {
+ field.setValue(new TextNode("null"));
+ }
+ });
+ });
+ String sendResult = resultJSONArray.isEmpty() ?
JSONUtils.toJsonString(generateEmptyRow(resultSet))
+ : JSONUtils.toJsonString(resultJSONArray);
Review Comment:
I started all the projects and tested them with simulated data.
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