feat: add execute_multi command and update query handling for multiple results

src/App.vue

@@ -1320,6 +1320,19 @@ async function setupFileDrop() {
                       >
                         {{ t('tabs.tableData') }}
                       </Button>
+                      <template v-if="activeOutputView === 'result' && activeTab.results && activeTab.results.length > 1">
+                        <span class="mx-1 h-4 w-px bg-border" />
+                        <Button
+                          v-for="(_, rIdx) in activeTab.results"
+                          :key="rIdx"
+                          size="sm"
+                          :variant="activeTab.activeResultIndex === rIdx ? 'default' : 'ghost'"
+                          class="h-6 px-2 text-xs"
+                          @click="queryStore.setActiveResultIndex(activeTab.id, rIdx)"
+                        >
+                          {{ t('tabs.resultN', { n: rIdx + 1 }) }}
+                        </Button>
+                      </template>
                       <Button
                         size="sm"
                         :variant="activeOutputView === 'explain' ? 'secondary' : 'ghost'"
@@ -1343,7 +1356,7 @@ async function setupFileDrop() {
                     />
 
                     <template v-else>
-                      <DataGrid v-if="activeTab.result" :key="activeTab.id" class="flex-1 min-h-0" :result="activeTab.result" :sql="activeTab.lastExecutedSql || activeTab.sql" :loading="activeTab.isExecuting" />
+                      <DataGrid v-if="activeTab.result" :key="`${activeTab.id}-${activeTab.activeResultIndex ?? 0}`" class="flex-1 min-h-0" :result="activeTab.result" :sql="activeTab.lastExecutedSql || activeTab.sql" :loading="activeTab.isExecuting" />
                       <div v-if="activeTab.result?.columns.includes('Error')" class="flex items-center gap-2 px-3 py-1.5 border-t bg-destructive/5">
                         <Bot class="h-3.5 w-3.5 text-destructive" />
                         <button class="text-xs text-destructive hover:underline" @click="fixWithAi(String(activeTab.result?.rows?.[0]?.[0] ?? ''))">

src/i18n/locales/en.ts

@@ -94,6 +94,7 @@ export default {
     tooltipDatabase: "Database:",
     tooltipTable: "Table:",
     tooltipCollection: "Collection:",
+    resultN: "Result {n}",
   },
   grid: {
     rows: "{count} rows",

src/i18n/locales/zh-CN.ts

@@ -96,6 +96,7 @@ export default {
     tooltipDatabase: "数据库：",
     tooltipTable: "表：",
     tooltipCollection: "集合：",
+    resultN: "结果 {n}",
   },
   grid: {
     rows: "{count} 行",

src/lib/tauri.ts

@@ -138,6 +138,10 @@ export async function executeQuery(connectionId: string, database: string, sql:
   return invoke("execute_query", { connectionId, database, sql, executionId });
 }
 
+export async function executeMulti(connectionId: string, database: string, sql: string, executionId?: string): Promise<QueryResult[]> {
+  return invoke("execute_multi", { connectionId, database, sql, executionId });
+}
+
 export async function cancelQuery(executionId: string): Promise<boolean> {
   return invoke("cancel_query", { executionId });
 }

src/stores/queryStore.ts

@@ -174,11 +174,25 @@ export const useQueryStore = defineStore("query", () => {
     tab.executionId = executionId;
     tab.lastExecutedSql = sql;
     try {
-      tab.result = await api.executeQuery(tab.connectionId, tab.database, sql, executionId);
+      const results = await api.executeMulti(tab.connectionId, tab.database, sql, executionId);
+      const current = tabs.value.find((t) => t.id === id);
+      if (current?.executionId === executionId) {
+        if (results.length > 1) {
+          current.results = results;
+          current.activeResultIndex = 0;
+          current.result = results[0];
+        } else {
+          current.results = undefined;
+          current.activeResultIndex = undefined;
+          current.result = results[0];
+        }
+      }
     } catch (e: any) {
       const current = tabs.value.find((t) => t.id === id);
       if (current?.executionId === executionId) {
         current.result = toErrorResult(e);
+        current.results = undefined;
+        current.activeResultIndex = undefined;
       }
     } finally {
       const current = tabs.value.find((t) => t.id === id);
@@ -277,6 +291,13 @@ export const useQueryStore = defineStore("query", () => {
     }
   }
 
+  function setActiveResultIndex(id: string, index: number) {
+    const tab = tabs.value.find((t) => t.id === id);
+    if (!tab?.results || index < 0 || index >= tab.results.length) return;
+    tab.activeResultIndex = index;
+    tab.result = tab.results[index];
+  }
+
   function trimResultCache() {
     const inactive = tabs.value.filter((t) => t.id !== activeTabId.value && t.result);
     if (inactive.length > MAX_CACHED_RESULTS) {
@@ -299,6 +320,7 @@ export const useQueryStore = defineStore("query", () => {
     setTableMeta,
     setExecuting,
     setErrorResult,
+    setActiveResultIndex,
     executeCurrentTab,
     executeCurrentSql,
     executeTabSql,

src/types/database.ts

@@ -110,6 +110,8 @@ export interface QueryTab {
   lastExecutedSql?: string;
   pinned?: boolean;
   result?: QueryResult;
+  results?: QueryResult[];
+  activeResultIndex?: number;
   explainPlan?: import("@/lib/explainPlan").ParsedExplainPlan;
   explainError?: string;
   explainSql?: string;