docs: update tidb_http_api.md add MVCC operation type description (#3…

…1390) close #31389
pingcap · Jan 6, 2022 · 1b2a6e9 · 1b2a6e9
1 parent 09f0238
commit 1b2a6e9
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/docs/tidb_http_api.md b/docs/tidb_http_api.md
@@ -214,6 +214,11 @@
         "value": {
             "info": {
                 "writes": [
+                    {
+                        "type": 1,
+                        "start_ts": 423158426542538752,
+                        "commit_ts": 423158426543587328
+                    },
                     {
                         "start_ts": 423158426542538752,
                         "commit_ts": 423158426543587328,
@@ -231,6 +236,21 @@
     }
     ```
 
+    *Hint: The meaning of the MVCC operation type:*
+
+    ```protobuf
+    enum Op {
+	Put = 0;
+	Del = 1;
+	Lock = 2;
+	Rollback = 3;
+	// insert operation has a constraint that key should not exist before.
+	Insert = 4;
+	PessimisticLock = 5;
+	CheckNotExists = 6;
+    }
+    ```
+
 1. Get MVCC Information of the first key in the table with a specified start ts
 
     ```shell