feat: flink sql

collabH · collabH · commit 360161cadaee · 2021-06-20T23:15:03.000+08:00
diff --git a/bigdata/flink/core/TableSQLOverview.md b/bigdata/flink/core/TableSQLOverview.md
@@ -114,7 +114,7 @@ table.executeInsert()
 
 ### Operation到Transformation
 
-
+* DQL、DML转换，ModifyOperation→RelNode→FlinkPhysicalRel→ExecNode→Transformation。
 
 ## Flink SQL工作流
 
