separate schema selector in frontend

packages/web/src/utility/changeCurrentDbByTab.ts

@@ -3,6 +3,7 @@ import { currentDatabase, getCurrentDatabase, getLockedDatabaseMode, openedTabs
 import { shouldShowTab } from '../tabpanel/TabsPanel.svelte';
 import { callWhenAppLoaded, getAppLoaded } from './appLoadManager';
 import { getConnectionInfo } from './metadataLoaders';
+import { switchCurrentDatabase } from './common';
 
 let lastCurrentTab = null;
 
@@ -20,7 +21,7 @@ openedTabs.subscribe(value => {
     if (conid && database && (conid != lastTab?.props?.conid || database != lastTab?.props?.database)) {
       const doWork = async () => {
         const connection = await getConnectionInfo({ conid });
-        currentDatabase.set({
+        switchCurrentDatabase({
           connection,
           name: database,
         });

packages/web/src/utility/common.ts

@@ -1,5 +1,7 @@
-import { getOpenedTabs, openedTabs } from '../stores';
+import { findDefaultSchema, findEngineDriver, isCompositeDbName } from 'dbgate-tools';
+import { currentDatabase, getExtensions, getOpenedTabs, openedTabs } from '../stores';
 import _ from 'lodash';
+import { getSchemaList } from './metadataLoaders';
 
 export class LoadingToken {
   isCanceled = false;
@@ -82,3 +84,21 @@ export function isCtrlOrCommandKey(event) {
   }
   return event.ctrlKey;
 }
+
+export async function switchCurrentDatabase(data) {
+  if (data?.connection?.useSeparateSchemas && !isCompositeDbName(data.name)) {
+    const conid = data.connection._id;
+    const database = data.name;
+    const storageKey = `selected-schema-${conid}-${database}`;
+    const schemaInStorage = localStorage.getItem(storageKey);
+    const schemas = await getSchemaList({ conid, database });
+    const driver = findEngineDriver(data.connection, getExtensions());
+    const defaultSchema = findDefaultSchema(schemas, driver?.dialect, schemaInStorage);
+    currentDatabase.set({
+      ...data,
+      name: `${data.name}::${defaultSchema}`,
+    });
+  } else {
+    currentDatabase.set(data);
+  }
+}

packages/web/src/utility/openElectronFile.ts

@@ -12,6 +12,7 @@ import { SAVED_FILE_HANDLERS } from '../appobj/SavedFileAppObject.svelte';
 import _ from 'lodash';
 import ErrorMessageModal from '../modals/ErrorMessageModal.svelte';
 import { openImportExportTab } from './importExportTools';
+import { switchCurrentDatabase } from './common';
 
 export function canOpenByElectron(file, extensions) {
   if (!file) return false;
@@ -38,7 +39,7 @@ export async function openSqliteFile(filePath) {
     singleDatabase: true,
     defaultDatabase,
   });
-  currentDatabase.set({
+  switchCurrentDatabase({
     connection: resp,
     name: getDatabaseFileLabel(filePath),
   });