Fix 8393

src/query-builder/UpdateQueryBuilder.ts

@@ -441,11 +441,13 @@ export class UpdateQueryBuilder<Entity> extends QueryBuilder<Entity> implements
                 });
             });
 
-            if (metadata.versionColumn && updatedColumns.indexOf(metadata.versionColumn) === -1)
-                updateColumnAndValues.push(this.escape(metadata.versionColumn.databaseName) + " = " + this.escape(metadata.versionColumn.databaseName) + " + 1");
-            if (metadata.updateDateColumn && updatedColumns.indexOf(metadata.updateDateColumn) === -1)
-                updateColumnAndValues.push(this.escape(metadata.updateDateColumn.databaseName) + " = CURRENT_TIMESTAMP"); // todo: fix issue with CURRENT_TIMESTAMP(6) being used, can "DEFAULT" be used?!
-
+            // Don't allow calling update only with columns that are `update: false`
+            if (updateColumnAndValues.length > 0 || Object.keys(valuesSet).length === 0) {
+                if (metadata.versionColumn && updatedColumns.indexOf(metadata.versionColumn) === -1)
+                    updateColumnAndValues.push(this.escape(metadata.versionColumn.databaseName) + " = " + this.escape(metadata.versionColumn.databaseName) + " + 1");
+                if (metadata.updateDateColumn && updatedColumns.indexOf(metadata.updateDateColumn) === -1)
+                    updateColumnAndValues.push(this.escape(metadata.updateDateColumn.databaseName) + " = CURRENT_TIMESTAMP"); // todo: fix issue with CURRENT_TIMESTAMP(6) being used, can "DEFAULT" be used?!
+            }
         } else {
             Object.keys(valuesSet).map(key => {
                 let value = valuesSet[key];

test/github-issues/8393/entity/Post.ts

@@ -0,0 +1,25 @@
+import {
+    Column,
+    Entity,
+    UpdateDateColumn,
+    PrimaryGeneratedColumn,
+} from "../../../../src";
+
+@Entity()
+export class Post {
+    @PrimaryGeneratedColumn()
+    id: number;
+
+    // Extra, not required column just for the example
+    @Column()
+    title: string;
+
+    @UpdateDateColumn()
+    lastUpdated: Date;
+
+    @Column({
+        // Forcing this column to only be written on insert time
+        update: false
+    })
+    readOnlyColumn: number;
+}

test/github-issues/8393/issue-8393.ts

@@ -0,0 +1,55 @@
+import "reflect-metadata";
+import {
+    createTestingConnections,
+    closeTestingConnections,
+    reloadTestingDatabases
+} from "../../utils/test-utils";
+import { Connection, UpdateValuesMissingError } from "../../../src/";
+import { expect } from "chai";
+import { Post } from "./entity/Post";
+
+describe("github issues > #8393 When trying to update `update: false` column with `@UpdateDateColumn` the update column is updated", () => {
+    let connections: Connection[];
+    before(
+        async () =>
+            (connections = await createTestingConnections({
+                entities: [__dirname + "/entity/*{.js,.ts}"],
+                schemaCreate: true,
+                dropSchema: true,
+            }))
+    );
+    beforeEach(() => reloadTestingDatabases(connections));
+    after(() => closeTestingConnections(connections));
+
+    it("should not update the @UpdateDateColumn column when trying to update un-updatable column", () =>
+        Promise.all(
+            connections.map(async (connection) => {
+                const post = new Post();
+                post.title = "Control flow based type analysis";
+                post.readOnlyColumn = 1;
+
+                await connection.manager.save(post);
+
+                const updateResultPromise = connection.manager.update(Post, post.id, {
+                    // Make a change to read only column
+                    readOnlyColumn: 2,
+                });
+
+                await expect(updateResultPromise).to.be.rejectedWith(UpdateValuesMissingError);
+
+                const updatedPost = await connection.manager.findOne(
+                    Post,
+                    post.id
+                );
+
+                expect(updatedPost).to.be.an("object");
+
+                expect(post.readOnlyColumn).to.be.equal(
+                    updatedPost!.readOnlyColumn
+                );
+
+                // Gonna be false
+                expect(post.lastUpdated.toString()).to.be.eql(updatedPost!.lastUpdated.toString());
+            })
+        ));
+});