A new experimental database panel (#1682)

* Add new config setting
* Add a new database panel behind experimental config

Author: charisk

extensions/ql-vscode/package.json

@@ -37,6 +37,7 @@
     "onLanguage:ql",
     "onLanguage:ql-summary",
     "onView:codeQLDatabases",
+    "onView:codeQLDatabasesExperimental",
     "onView:codeQLQueryHistory",
     "onView:codeQLAstViewer",
     "onView:codeQLEvalLogViewer",
@@ -1208,6 +1209,11 @@
           "id": "codeQLDatabases",
           "name": "Databases"
         },
+        {
+          "id": "codeQLDatabasesExperimental",
+          "name": "Databases",
+          "when": "config.codeQL.canary && config.codeQL.newQueryRunExperience"
+        },
         {
           "id": "codeQLQueryHistory",
           "name": "Query History"

extensions/ql-vscode/src/config.ts

@@ -438,6 +438,16 @@ export function isVariantAnalysisLiveResultsEnabled(): boolean {
   return !!LIVE_RESULTS.getValue<boolean>();
 }
 
+/**
+ * A flag indicating whether to use the new query run experience which involves
+ * using a new database panel.
+ */
+const NEW_QUERY_RUN_EXPERIENCE = new Setting('newQueryRunExperience', ROOT_SETTING);
+
+export function isNewQueryRunExperienceEnabled(): boolean {
+  return !!NEW_QUERY_RUN_EXPERIENCE.getValue<boolean>();
+}
+
 // Settings for mocking the GitHub API.
 const MOCK_GH_API_SERVER = new Setting('mockGitHubApiServer', ROOT_SETTING);