[GitHub] [incubator-doris] EmmyMiao87 commented on a change in pull request #3705: Serialize origin stmt in Rollup Job and MV Meta

[GitBox <gi...@apache.org>]

EmmyMiao87 commented on a change in pull request #3705:
URL: https://github.com/apache/incubator-doris/pull/3705#discussion_r431549428



##########
File path: fe/src/main/java/org/apache/doris/alter/RollupJobV2.java
##########
@@ -770,4 +714,85 @@ public void setJobState(JobState jobState) {
         this.jobState = jobState;
     }
 
+    private void setColumnsDefineExpr(List<MVColumnItem> items) {
+        for (MVColumnItem item : items) {
+            for (Column column : rollupSchema) {
+                if (column.getName().equals(item.getName())) {
+                    column.setDefineExpr(item.getDefineExpr());
+                    break;
+                }
+            }
+        }
+    }
+
+    @Override
+    public void write(DataOutput out) throws IOException {
+        String json = GsonUtils.GSON.toJson(this, AlterJobV2.class);
+        Text.writeString(out, json);
+    }
+
+    public static RollupJobV2 read(DataInput in) throws IOException {

Review comment:
       This is also used by the Meta <85. If the Meta is more then 86, the `read` of AlterJobV2 wil be used.




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