Init data flow.

src/service/diff/diffService.ts

@@ -1,6 +1,8 @@
 import { Global } from "@/common/global";
+import { TableGroup } from "@/model/main/tableGroup";
 import { DbTreeDataProvider } from "@/provider/treeDataProvider";
 import { ViewManager } from "@/view/viewManager";
+import { DatabaseCache } from "../common/databaseCache";
 
 export class DiffService {
     startDiff(provider: DbTreeDataProvider) {
@@ -18,6 +20,10 @@ export class DiffService {
                         databaseList[node.label] = await node.getChildren()
                     }
                     handler.emit('structDiff-data', { nodes, databaseList })
+                }).on("start", (opt) => {
+                    const from=DatabaseCache.getChildListOfId(`${opt.from.connection}_${opt.from.database}#TABLE`)
+                    const to=DatabaseCache.getChildListOfId(`${opt.to.connection}_${opt.to.database}#TABLE`)
+                    console.log(from)
                 }).on("execute", async sql => {
                     try {
                         // await this.execute(sql)

src/vue/structDiff/index.vue

@@ -28,8 +28,8 @@
         </el-form-item>
       </el-form>
     </div>
-          <el-button @click="deleteConfirm" title="Start Compare" type="danger" size="mini" >Start Compare
-        </el-button>
+    <el-button @click="startCompare" title="Start Compare" type="danger" size="mini">Start Compare
+    </el-button>
 
   </div>
 </template>
@@ -90,6 +90,9 @@ export default {
         )})`
       );
     },
+    startCompare() {
+      vscodeEvent.emit("start",this.option);
+    },
     deleteConfirm(row) {
       this.$confirm("Are you sure you want to delete this data?", "Warning", {
         confirmButtonText: "OK",