rename

Author: Caideyipi

iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/schema/table/column/TsTableColumnSchema.java

@@ -34,7 +34,7 @@
 
 public abstract class TsTableColumnSchema {
 
-  protected String columnName;
+  protected volatile String columnName;
 
   protected TSDataType dataType;
 
@@ -52,6 +52,12 @@ public abstract class TsTableColumnSchema {
     this.props = props;
   }
 
+  // Only used for column renaming
+  public TsTableColumnSchema setColumnName(String columnName) {
+    this.columnName = columnName;
+    return this;
+  }
+
   public String getColumnName() {
     return columnName;
   }