added indirect view update by source collection field change

daos/collection.go

@@ -1,6 +1,8 @@
 package daos
 
 import (
+	"bytes"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"strings"
@@ -175,7 +177,9 @@ func (dao *Dao) SaveCollection(collection *models.Collection) error {
 
 		switch collection.Type {
 		case models.CollectionTypeView:
-			return txDao.saveViewCollection(collection, oldCollection)
+			if err := txDao.saveViewCollection(collection, oldCollection); err != nil {
+				return err
+			}
 		default:
 			// persist the collection model
 			if err := txDao.Save(collection); err != nil {
@@ -183,8 +187,16 @@ func (dao *Dao) SaveCollection(collection *models.Collection) error {
 			}
 
 			// sync the changes with the related records table
-			return txDao.SyncRecordTableSchema(collection, oldCollection)
+			if err := txDao.SyncRecordTableSchema(collection, oldCollection); err != nil {
+				return err
+			}
 		}
+
+		// trigger an update for all views with changed schema as a result of the current collection save
+		// (ignoring view errors to allow users to update the query from the UI)
+		txDao.resaveViewsWithChangedSchema(collection.Id)
+
+		return nil
 	})
 }
 
@@ -329,7 +341,7 @@ func (dao *Dao) ImportCollections(
 //
 // This method returns an error if newCollection is not a "view".
 func (dao *Dao) saveViewCollection(newCollection *models.Collection, oldCollection *models.Collection) error {
-	if newCollection.IsAuth() {
+	if !newCollection.IsView() {
 		return errors.New("not a view collection")
 	}
 
@@ -337,7 +349,7 @@ func (dao *Dao) saveViewCollection(newCollection *models.Collection, oldCollecti
 		query := newCollection.ViewOptions().Query
 
 		// generate collection schema from the query
-		schema, err := txDao.CreateViewSchema(query)
+		viewSchema, err := txDao.CreateViewSchema(query)
 		if err != nil {
 			return err
 		}
@@ -354,8 +366,52 @@ func (dao *Dao) saveViewCollection(newCollection *models.Collection, oldCollecti
 			return err
 		}
 
-		newCollection.Schema = schema
+		newCollection.Schema = viewSchema
 
 		return txDao.Save(newCollection)
 	})
 }
+
+// resaveViewsWithChangedSchema updates all view collections with changed schemas.
+func (dao *Dao) resaveViewsWithChangedSchema(excludeIds ...string) error {
+	collections, err := dao.FindCollectionsByType(models.CollectionTypeView)
+	if err != nil {
+		return err
+	}
+
+	return dao.RunInTransaction(func(txDao *Dao) error {
+		for _, collection := range collections {
+			if len(excludeIds) > 0 && list.ExistInSlice(collection.Id, excludeIds) {
+				continue
+			}
+
+			query := collection.ViewOptions().Query
+
+			// generate a new schema from the query
+			newSchema, err := txDao.CreateViewSchema(query)
+			if err != nil {
+				return err
+			}
+
+			encodedNewSchema, err := json.Marshal(newSchema)
+			if err != nil {
+				return err
+			}
+
+			encodedOldSchema, err := json.Marshal(collection.Schema)
+			if err != nil {
+				return err
+			}
+
+			if bytes.EqualFold(encodedNewSchema, encodedOldSchema) {
+				continue // no changes
+			}
+
+			if err := txDao.saveViewCollection(collection, nil); err != nil {
+				return err
+			}
+		}
+
+		return nil
+	})
+}

daos/collection_test.go

@@ -11,6 +11,7 @@ import (
 	"github.com/pocketbase/pocketbase/models/schema"
 	"github.com/pocketbase/pocketbase/tests"
 	"github.com/pocketbase/pocketbase/tools/list"
+	"github.com/pocketbase/pocketbase/tools/types"
 )
 
 func TestCollectionQuery(t *testing.T) {
@@ -305,6 +306,66 @@ func TestSaveCollectionUpdate(t *testing.T) {
 	}
 }
 
+// indirect update of a field used in view should cause view(s) update
+func TestSaveCollectionIndirectViewsUpdate(t *testing.T) {
+	app, _ := tests.NewTestApp()
+	defer app.Cleanup()
+
+	collection, err := app.Dao().FindCollectionByNameOrId("demo1")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// update MaxSelect fields
+	{
+		relMany := collection.Schema.GetFieldByName("rel_many")
+		relManyOpt := relMany.Options.(*schema.RelationOptions)
+		relManyOpt.MaxSelect = types.Pointer(1)
+
+		fileOne := collection.Schema.GetFieldByName("file_one")
+		fileOneOpt := fileOne.Options.(*schema.FileOptions)
+		fileOneOpt.MaxSelect = 10
+
+		if err := app.Dao().SaveCollection(collection); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	// check view1 schema
+	{
+		view1, err := app.Dao().FindCollectionByNameOrId("view1")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		relMany := view1.Schema.GetFieldByName("rel_many")
+		relManyOpt := relMany.Options.(*schema.RelationOptions)
+		if relManyOpt.MaxSelect == nil || *relManyOpt.MaxSelect != 1 {
+			t.Fatalf("Expected view1.rel_many MaxSelect to be %d, got %v", 1, relManyOpt.MaxSelect)
+		}
+
+		fileOne := view1.Schema.GetFieldByName("file_one")
+		fileOneOpt := fileOne.Options.(*schema.FileOptions)
+		if fileOneOpt.MaxSelect != 10 {
+			t.Fatalf("Expected view1.file_one MaxSelect to be %d, got %v", 10, fileOneOpt.MaxSelect)
+		}
+	}
+
+	// check view2 schema
+	{
+		view2, err := app.Dao().FindCollectionByNameOrId("view2")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		relMany := view2.Schema.GetFieldByName("rel_many")
+		relManyOpt := relMany.Options.(*schema.RelationOptions)
+		if relManyOpt.MaxSelect == nil || *relManyOpt.MaxSelect != 1 {
+			t.Fatalf("Expected view2.rel_many MaxSelect to be %d, got %v", 1, relManyOpt.MaxSelect)
+		}
+	}
+}
+
 func TestImportCollections(t *testing.T) {
 	totalCollections := 10
 

daos/record_table_sync.go

@@ -19,9 +19,9 @@ func (dao *Dao) SyncRecordTableSchema(newCollection *models.Collection, oldColle
 	// create
 	if oldCollection == nil {
 		cols := map[string]string{
-			schema.FieldNameId:      "TEXT PRIMARY KEY NOT NULL",
+			schema.FieldNameId:      "TEXT PRIMARY KEY DEFAULT ('r'||lower(hex(randomblob(7)))) NOT NULL",
-			schema.FieldNameCreated: "TEXT DEFAULT '' NOT NULL",
+			schema.FieldNameCreated: "TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL",
-			schema.FieldNameUpdated: "TEXT DEFAULT '' NOT NULL",
+			schema.FieldNameUpdated: "TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL",
 		}
 
 		if newCollection.IsAuth() {
@@ -154,7 +154,7 @@ func (dao *Dao) SyncRecordTableSchema(newCollection *models.Collection, oldColle
 			return err
 		}
 
-		return txDao.syncCollectionReferences(newCollection, renamedFieldNames, deletedFieldNames)
+		return txDao.syncRelationDisplayFieldsChanges(newCollection, renamedFieldNames, deletedFieldNames)
 	})
 }
 
@@ -248,7 +248,7 @@ func (dao *Dao) normalizeSingleVsMultipleFieldChanges(newCollection, oldCollecti
 	})
 }
 
-func (dao *Dao) syncCollectionReferences(collection *models.Collection, renamedFieldNames map[string]string, deletedFieldNames []string) error {
+func (dao *Dao) syncRelationDisplayFieldsChanges(collection *models.Collection, renamedFieldNames map[string]string, deletedFieldNames []string) error {
 	if len(renamedFieldNames) == 0 && len(deletedFieldNames) == 0 {
 		return nil // nothing to sync
 	}

migrations/1640988000_init.go

@@ -42,8 +42,8 @@ func init() {
 				[[tokenKey]]        TEXT UNIQUE NOT NULL,
 				[[passwordHash]]    TEXT NOT NULL,
 				[[lastResetSentAt]] TEXT DEFAULT "" NOT NULL,
-				[[created]]         TEXT DEFAULT "" NOT NULL,
+				[[created]]         TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL,
-				[[updated]]         TEXT DEFAULT "" NOT NULL
+				[[updated]]         TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL
 			);
 
 			CREATE TABLE {{_collections}} (
@@ -58,8 +58,8 @@ func init() {
 				[[updateRule]] TEXT DEFAULT NULL,
 				[[deleteRule]] TEXT DEFAULT NULL,
 				[[options]]    JSON DEFAULT "{}" NOT NULL,
-				[[created]]    TEXT DEFAULT "" NOT NULL,
+				[[created]]    TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL,
-				[[updated]]    TEXT DEFAULT "" NOT NULL
+				[[updated]]    TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL
 			);
 
 			CREATE TABLE {{_params}} (
@@ -76,8 +76,8 @@ func init() {
 				[[recordId]]     TEXT NOT NULL,
 				[[provider]]     TEXT NOT NULL,
 				[[providerId]]   TEXT NOT NULL,
-				[[created]]      TEXT DEFAULT "" NOT NULL,
+				[[created]]      TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL,
-				[[updated]]      TEXT DEFAULT "" NOT NULL,
+				[[updated]]      TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL,
 				---
 				FOREIGN KEY ([[collectionId]]) REFERENCES {{_collections}} ([[id]]) ON UPDATE CASCADE ON DELETE CASCADE
 			);

migrations/logs/1640988000_init.go

@@ -20,8 +20,8 @@ func init() {
 				[[referer]]   TEXT DEFAULT "" NOT NULL,
 				[[userAgent]] TEXT DEFAULT "" NOT NULL,
 				[[meta]]      JSON DEFAULT "{}" NOT NULL,
-				[[created]]   TEXT DEFAULT "" NOT NULL,
+				[[created]]   TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL,
-				[[updated]]   TEXT DEFAULT "" NOT NULL
+				[[updated]]   TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%fZ')) NOT NULL
 			);
 
 			CREATE INDEX _request_status_idx on {{_requests}} ([[status]]);