feat(desktop): implement MySQL and SQLite UI parity (#325)

lib/core/database/mysql_connection.dart

@@ -353,6 +353,34 @@ class MysqlConnection {
     return rs.rows.map((r) => r.colAt(0)!).toList();
   }
 
+  /// Lists stored procedures in [schema] (database name).
+  Future<List<String>> listProcedures({required String schema}) async {
+    if (!isConnected || _conn == null) {
+      throw StateError('Not connected to MySQL');
+    }
+    final rs = await execute(
+      'SELECT ROUTINE_NAME FROM information_schema.ROUTINES '
+      "WHERE ROUTINE_SCHEMA = :schema AND ROUTINE_TYPE = 'PROCEDURE' "
+      'ORDER BY ROUTINE_NAME',
+      {'schema': schema},
+    );
+    return rs.rows.map((r) => r.colAt(0)!).toList();
+  }
+
+  /// Lists stored functions in [schema] (database name).
+  Future<List<String>> listFunctions({required String schema}) async {
+    if (!isConnected || _conn == null) {
+      throw StateError('Not connected to MySQL');
+    }
+    final rs = await execute(
+      'SELECT ROUTINE_NAME FROM information_schema.ROUTINES '
+      "WHERE ROUTINE_SCHEMA = :schema AND ROUTINE_TYPE = 'FUNCTION' "
+      'ORDER BY ROUTINE_NAME',
+      {'schema': schema},
+    );
+    return rs.rows.map((r) => r.colAt(0)!).toList();
+  }
+
   Future<String> serverVersion() async {
     if (!isConnected || _conn == null) {
       throw StateError('Not connected to MySQL');

lib/core/database/sqlite_connection.dart

@@ -155,6 +155,42 @@ class SqliteConnection {
     return rows.map((r) => r['name'] as String).toList();
   }
 
+  /// Returns the DDL (`sql`) of a table or view from sqlite_master.
+  Future<String> getObjectDdl(String objectName) async {
+    final rows = await execute(
+      "SELECT sql FROM sqlite_master WHERE name = :name",
+      [objectName],
+    );
+    if (rows.isEmpty) return '-- No definition found for $objectName';
+    return (rows.first['sql'] as String?) ?? '-- Empty definition';
+  }
+
+  /// Returns database overview info (`page_count`, `page_size`, `journal_mode`, version, etc.).
+  Future<Map<String, dynamic>> databaseOverview() async {
+    final verRows = await execute('SELECT sqlite_version() AS ver');
+    final ver = (verRows.isNotEmpty ? verRows.first['ver'] : '') ?? '';
+
+    final pcRows = await execute('PRAGMA page_count');
+    final pc = (pcRows.isNotEmpty ? pcRows.first.values.first : 0) ?? 0;
+
+    final psRows = await execute('PRAGMA page_size');
+    final ps = (psRows.isNotEmpty ? psRows.first.values.first : 0) ?? 0;
+
+    final jmRows = await execute('PRAGMA journal_mode');
+    final jm = (jmRows.isNotEmpty ? jmRows.first.values.first : '') ?? '';
+
+    final tblCountRows = await execute("SELECT count(*) AS c FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'");
+    final tblCount = (tblCountRows.isNotEmpty ? tblCountRows.first['c'] : 0) ?? 0;
+
+    return {
+      'version': ver,
+      'page_count': pc,
+      'page_size': ps,
+      'journal_mode': jm,
+      'table_count': tblCount,
+    };
+  }
+
   /// Helper to quote SQLite identifiers safely.
   static String quoteIdentifier(String id) {
     return '"${id.replaceAll('"', '""')}"';

lib/features/connections/connections_panel_mysql.dart

@@ -371,10 +371,17 @@ class _MysqlDatabaseNodeState extends State<_MysqlDatabaseNode> {
   bool _loading = false;
   List<String> _tables = [];
   List<String> _views = [];
+  List<String> _procedures = [];
+  List<String> _functions = [];
 
   void _toggle() {
     setState(() => _expanded = !_expanded);
-    if (_expanded && _tables.isEmpty && _views.isEmpty && !_loading) {
+    if (_expanded &&
+        _tables.isEmpty &&
+        _views.isEmpty &&
+        _procedures.isEmpty &&
+        _functions.isEmpty &&
+        !_loading) {
       _loadTables();
     }
   }
@@ -394,10 +401,16 @@ class _MysqlDatabaseNodeState extends State<_MysqlDatabaseNode> {
           await lease.connection.listTables(schema: widget.databaseName);
       final views =
           await lease.connection.listViews(schema: widget.databaseName);
+      final procs =
+          await lease.connection.listProcedures(schema: widget.databaseName);
+      final funcs =
+          await lease.connection.listFunctions(schema: widget.databaseName);
       if (!mounted) return;
       setState(() {
         _tables = tables;
         _views = views;
+        _procedures = procs;
+        _functions = funcs;
         _loading = false;
       });
     } catch (e) {
@@ -468,7 +481,10 @@ class _MysqlDatabaseNodeState extends State<_MysqlDatabaseNode> {
                       ],
                     ),
                   ),
-                if (_tables.isNotEmpty || _views.isNotEmpty)
+                if (_tables.isNotEmpty ||
+                    _views.isNotEmpty ||
+                    _procedures.isNotEmpty ||
+                    _functions.isNotEmpty)
                   material.Padding(
                     padding: const material.EdgeInsets.only(left: 16),
                     child: material.Column(
@@ -512,6 +528,44 @@ class _MysqlDatabaseNodeState extends State<_MysqlDatabaseNode> {
                                       MysqlObjectKind.view,
                                     ),
                           ),
+                        if (_procedures.isNotEmpty)
+                          _MysqlObjectGroup(
+                            connection: widget.connection,
+                            databaseName: widget.databaseName,
+                            objectKind: MysqlObjectKind.procedure,
+                            onRefresh: _loadTables,
+                            label: 'Procedures',
+                            icon: material.Icons.functions_rounded,
+                            itemIcon: material.Icons.code_rounded,
+                            items: _procedures,
+                            onItemTap: widget.onMysqlObjectSelected == null
+                                ? null
+                                : (name) => widget.onMysqlObjectSelected!(
+                                      widget.connection,
+                                      widget.databaseName,
+                                      name,
+                                      MysqlObjectKind.procedure,
+                                    ),
+                          ),
+                        if (_functions.isNotEmpty)
+                          _MysqlObjectGroup(
+                            connection: widget.connection,
+                            databaseName: widget.databaseName,
+                            objectKind: MysqlObjectKind.function,
+                            onRefresh: _loadTables,
+                            label: 'Functions',
+                            icon: material.Icons.functions_rounded,
+                            itemIcon: material.Icons.code_rounded,
+                            items: _functions,
+                            onItemTap: widget.onMysqlObjectSelected == null
+                                ? null
+                                : (name) => widget.onMysqlObjectSelected!(
+                                      widget.connection,
+                                      widget.databaseName,
+                                      name,
+                                      MysqlObjectKind.function,
+                                    ),
+                          ),
                       ],
                     ),
                   ),

lib/features/main_screen/workspace_panel.dart

@@ -33,6 +33,7 @@ import 'package:querya_desktop/core/storage/local_db.dart';
 import 'package:querya_desktop/shared/widgets/widgets.dart';
 
 import 'package:querya_desktop/features/mysql/mysql_object_kind.dart';
+import 'package:querya_desktop/features/mysql/mysql_routine_view.dart';
 import 'package:querya_desktop/features/mysql/mysql_table_view.dart';
 import 'package:querya_desktop/features/mysql/mysql_workspace_home.dart';
 import 'package:querya_desktop/features/mongodb/mongo_explorer_view.dart';
@@ -183,22 +184,35 @@ class _WorkspacePanelState extends State<WorkspacePanel> {
         break;
       case 'mysql':
         final my = widget.selectedMysqlObject;
-        driverWorkspace = my == null
-            ? MysqlWorkspaceHome(
-                key: ValueKey('mysql_home_${activeConn.id}'),
-                connectionRow: activeConn,
-                sqlTabRequestToken: widget.mysqlSqlTabRequestToken,
-                isReadOnly: widget.isReadOnly,
-              )
-            : MysqlTableView(
-                key: ValueKey(
-                  'mysql_${activeConn.id}_${my.database}_${my.name}_${my.kind}',
-                ),
-                connectionRow: activeConn,
-                database: my.database,
-                tableName: my.name,
-                isView: my.kind == MysqlObjectKind.view,
-              );
+        if (my == null) {
+          driverWorkspace = MysqlWorkspaceHome(
+            key: ValueKey('mysql_home_${activeConn.id}'),
+            connectionRow: activeConn,
+            sqlTabRequestToken: widget.mysqlSqlTabRequestToken,
+            isReadOnly: widget.isReadOnly,
+          );
+        } else if (my.kind == MysqlObjectKind.procedure ||
+            my.kind == MysqlObjectKind.function) {
+          driverWorkspace = MysqlRoutineView(
+            key: ValueKey(
+              'mysql_${activeConn.id}_${my.database}_${my.name}_${my.kind}',
+            ),
+            connectionRow: activeConn,
+            database: my.database,
+            routineName: my.name,
+            isFunction: my.kind == MysqlObjectKind.function,
+          );
+        } else {
+          driverWorkspace = MysqlTableView(
+            key: ValueKey(
+              'mysql_${activeConn.id}_${my.database}_${my.name}_${my.kind}',
+            ),
+            connectionRow: activeConn,
+            database: my.database,
+            tableName: my.name,
+            isView: my.kind == MysqlObjectKind.view,
+          );
+        }
         break;
       case 'mongodb':
         final mongoDb = widget.selectedMongoDb;

lib/features/mysql/mysql_object_kind.dart

@@ -2,4 +2,6 @@
 enum MysqlObjectKind {
   table,
   view,
+  procedure,
+  function,
 }