Expect exercises on plans to be non nullable

lib/database.g.dart

@@ -1248,8 +1248,8 @@ class $GymSetsTable extends GymSets with TableInfo<$GymSetsTable, GymSet> {
 class Plan extends DataClass implements Insertable<Plan> {
   final int id;
   final String days;
-  final String? exercises;
-  Plan({required this.id, required this.days, this.exercises});
+  final String exercises;
+  Plan({required this.id, required this.days, required this.exercises});
   factory Plan.fromData(Map<String, dynamic> data, GeneratedDatabase db,
       {String? prefix}) {
     final effectivePrefix = prefix ?? '';
@@ -1259,7 +1259,7 @@ class Plan extends DataClass implements Insertable<Plan> {
       days: const StringType()
           .mapFromDatabaseResponse(data['${effectivePrefix}days'])!,
       exercises: const StringType()
-          .mapFromDatabaseResponse(data['${effectivePrefix}exercises']),
+          .mapFromDatabaseResponse(data['${effectivePrefix}exercises'])!,
     );
   }
   @override
@@ -1267,9 +1267,7 @@ class Plan extends DataClass implements Insertable<Plan> {
     final map = <String, Expression>{};
     map['id'] = Variable<int>(id);
     map['days'] = Variable<String>(days);
-    if (!nullToAbsent || exercises != null) {
-      map['exercises'] = Variable<String?>(exercises);
-    }
+    map['exercises'] = Variable<String>(exercises);
     return map;
   }
 
@@ -1277,9 +1275,7 @@ class Plan extends DataClass implements Insertable<Plan> {
     return PlansCompanion(
       id: Value(id),
       days: Value(days),
-      exercises: exercises == null && nullToAbsent
-          ? const Value.absent()
-          : Value(exercises),
+      exercises: Value(exercises),
     );
   }
 
@@ -1289,7 +1285,7 @@ class Plan extends DataClass implements Insertable<Plan> {
     return Plan(
       id: serializer.fromJson<int>(json['id']),
       days: serializer.fromJson<String>(json['days']),
-      exercises: serializer.fromJson<String?>(json['exercises']),
+      exercises: serializer.fromJson<String>(json['exercises']),
     );
   }
   @override
@@ -1298,7 +1294,7 @@ class Plan extends DataClass implements Insertable<Plan> {
     return <String, dynamic>{
       'id': serializer.toJson<int>(id),
       'days': serializer.toJson<String>(days),
-      'exercises': serializer.toJson<String?>(exercises),
+      'exercises': serializer.toJson<String>(exercises),
     };
   }
 
@@ -1331,7 +1327,7 @@ class Plan extends DataClass implements Insertable<Plan> {
 class PlansCompanion extends UpdateCompanion<Plan> {
   final Value<int> id;
   final Value<String> days;
-  final Value<String?> exercises;
+  final Value<String> exercises;
   const PlansCompanion({
     this.id = const Value.absent(),
     this.days = const Value.absent(),
@@ -1340,12 +1336,13 @@ class PlansCompanion extends UpdateCompanion<Plan> {
   PlansCompanion.insert({
     this.id = const Value.absent(),
     required String days,
-    this.exercises = const Value.absent(),
-  }) : days = Value(days);
+    required String exercises,
+  })  : days = Value(days),
+        exercises = Value(exercises);
   static Insertable<Plan> custom({
     Expression<int>? id,
     Expression<String>? days,
-    Expression<String?>? exercises,
+    Expression<String>? exercises,
   }) {
     return RawValuesInsertable({
       if (id != null) 'id': id,
@@ -1355,7 +1352,7 @@ class PlansCompanion extends UpdateCompanion<Plan> {
   }
 
   PlansCompanion copyWith(
-      {Value<int>? id, Value<String>? days, Value<String?>? exercises}) {
+      {Value<int>? id, Value<String>? days, Value<String>? exercises}) {
     return PlansCompanion(
       id: id ?? this.id,
       days: days ?? this.days,
@@ -1373,7 +1370,7 @@ class PlansCompanion extends UpdateCompanion<Plan> {
       map['days'] = Variable<String>(days.value);
     }
     if (exercises.present) {
-      map['exercises'] = Variable<String?>(exercises.value);
+      map['exercises'] = Variable<String>(exercises.value);
     }
     return map;
   }
@@ -1409,8 +1406,8 @@ class $PlansTable extends Plans with TableInfo<$PlansTable, Plan> {
   final VerificationMeta _exercisesMeta = const VerificationMeta('exercises');
   @override
   late final GeneratedColumn<String?> exercises = GeneratedColumn<String?>(
-      'exercises', aliasedName, true,
-      type: const StringType(), requiredDuringInsert: false);
+      'exercises', aliasedName, false,
+      type: const StringType(), requiredDuringInsert: true);
   @override
   List<GeneratedColumn> get $columns => [id, days, exercises];
   @override
@@ -1434,6 +1431,8 @@ class $PlansTable extends Plans with TableInfo<$PlansTable, Plan> {
     if (data.containsKey('exercises')) {
       context.handle(_exercisesMeta,
           exercises.isAcceptableOrUnknown(data['exercises']!, _exercisesMeta));
+    } else if (isInserting) {
+      context.missing(_exercisesMeta);
     }
     return context;
   }

lib/plans.dart

@@ -3,5 +3,5 @@ import 'package:moor/moor.dart';
 class Plans extends Table {
   IntColumn get id => integer().autoIncrement()();
   TextColumn get days => text()();
-  TextColumn get exercises => text().nullable()();
+  TextColumn get exercises => text()();
 }

lib/plans_page.dart

@@ -65,6 +65,16 @@ class _PlansPageState extends State<_PlansPage> {
             builder: (context, snapshot) {
               final plans = snapshot.data;
 
+              if (snapshot.hasError)
+                return Center(
+                  child: Padding(
+                      padding: const EdgeInsets.all(16.0),
+                      child: Text(
+                        'Error: ${snapshot.error}',
+                        style: Theme.of(context).textTheme.headlineSmall,
+                      )),
+                );
+
               if (plans == null)
                 return const Center(child: CircularProgressIndicator());
 
@@ -73,8 +83,7 @@ class _PlansPageState extends State<_PlansPage> {
                 itemBuilder: (context, index) {
                   return ListTile(
                       title: Text(plans[index].days.replaceAll(',', ', ')),
-                      subtitle: Text(
-                          plans[index].exercises?.replaceAll(',', ', ') ?? ''),
+                      subtitle: Text(plans[index].exercises),
                       onTap: () async {
                         await Navigator.push(
                           context,