[NO_TICKET] fix: run spanner relational queries sequential to prevent seqno errors (#10)

* fix: run spanner relational queries sequential to prevent seqno errors
* fix: update package-lock

Author: Xevi

package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "@streamyard/typeorm",
   "private": true,
-  "version": "0.3.16-1",
+  "version": "0.3.16-2",
   "description": "Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB, Spanner databases.",
   "license": "MIT",
   "readmeFilename": "README.md",

package.json

@@ -525,6 +525,9 @@ export class SubjectExecutor {
      * Updates all given subjects in the database.
      */
     protected async executeUpdateOperations(): Promise<void> {
+        const isSpanner =
+            this.queryRunner.connection.driver.options.type === "spanner"
+
         const updateSubject = async (subject: Subject) => {
             if (!subject.identifier)
                 throw new SubjectWithoutIdentifierError(subject)
@@ -646,7 +649,7 @@ export class SubjectExecutor {
         const remainingSubjects: Subject[] = []
 
         for (const subject of this.updateSubjects) {
-            if (subject.metadata.treeType === "nested-set") {
+            if (subject.metadata.treeType === "nested-set" || isSpanner) {
                 nestedSetSubjects.push(subject)
             } else {
                 remainingSubjects.push(subject)