don't check for null content in consistency checks because it's too slow for large databases #2887

src/services/backend_script_api.js

@@ -426,6 +426,15 @@ function BackendScriptApi(currentNote, apiParams) {
      * @return {{syncVersion, appVersion, buildRevision, dbVersion, dataDirectory, buildDate}|*} - object representing basic info about running Trilium version
      */
     this.getAppInfo = () => appInfo
+
+    /**
+     * This object contains "at your risk" and "no BC guarantees" objects for advanced use cases.
+     *
+     * @type {{becca: Becca}}
+     */
+    this.__private = {
+        becca
+    }
 }
 
 module.exports = BackendScriptApi;

src/services/consistency_checks.js

@@ -367,6 +367,9 @@ class ConsistencyChecks {
                 }
             });
 
+        if (sqlInit.getDbSize() < 500000) {
+            // querying for "content IS NULL" is expensive since content is not indexed. See e.g. https://github.com/zadam/trilium/issues/2887
+
             this.findAndFixIssues(`
                         SELECT notes.noteId, notes.type, notes.mime
                         FROM notes
@@ -387,6 +390,7 @@ class ConsistencyChecks {
                         logError(`Note ${noteId} content is null even though it is not deleted`);
                     }
                 });
+        }
 
         this.findAndFixIssues(`
                     SELECT note_revisions.noteRevisionId

src/services/sql_init.js

@@ -178,7 +178,11 @@ dbReady.then(() => {
     setInterval(() => optimize(), 10 * 60 * 60 * 1000);
 });
 
-log.info("DB size: " + sql.getValue("SELECT page_count * page_size / 1000 as size FROM pragma_page_count(), pragma_page_size()") + " KB");
+function getDbSize() {
+    return sql.getValue("SELECT page_count * page_size / 1000 as size FROM pragma_page_count(), pragma_page_size()");
+}
+
+log.info(`DB size: ${getDbSize()} KB`);
 
 module.exports = {
     dbReady,
@@ -186,5 +190,6 @@ module.exports = {
     isDbInitialized,
     createInitialDatabase,
     createDatabaseForSync,
-    setDbAsInitialized
+    setDbAsInitialized,
+    getDbSize
 };