feat(Google BigQuery Node): Node improvements (#4877)

* ⚡ setup

* ⚡ finished v2 setup

* ⚡ fix return all, fix simplify with nested schema

* ⚡ fix for external tables, updated scopes

* ⚡ query operation

* ⚡ linter fixes

* ⚡ fixed not processed errors when inserting, move main loop to execute function to allow bulk request

* ⚡ customizible batch size when inserting, improoved errors

* ⚡ options for mapping input

* ⚡ fix for inserting RECORD type

* ⚡ updated simplify logic

* ⚡ fix for return with  selected fields

* ⚡ option to return table schema

* ⚡ linter fixes

* ⚡ fix imports

* ⚡ query resource and fixes, rlc for projects

* ⚡ removed simplify, added raw output option

* ⚡ rlc for tables and datasets, no urls option

* ⚡ updated hints and description of query parameter, fix getMany VIEW, multioptions fo fields

* ⚡ added case when rows are empty

* ⚡ linter fixes

* ⚡ UI update, one resource

* ⚡ fix for output with field named json

* ⚡ using jobs instead queries

* ⚡ added error message

* ⚡ search for RLCs, fixes

* ⚡ json processing

* ⚡ removed getAll operation

* ⚡ executeQuery update

* ⚡ unit test

* ⚡ tests setup, fixes

* ⚡ tests

* Remove script for checking unused loadOptions

---------

Co-authored-by: agobrech <ael.gobrecht@gmail.com>

packages/nodes-base/nodes/Google/BigQuery/v2/actions/router.ts

@@ -0,0 +1,28 @@
+import type { IExecuteFunctions } from 'n8n-core';
+import type { INodeExecutionData } from 'n8n-workflow';
+import { NodeOperationError } from 'n8n-workflow';
+import type { GoogleBigQuery } from './node.type';
+
+import * as record from './database/Database.resource';
+
+export async function router(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+	const resource = this.getNodeParameter<GoogleBigQuery>('resource', 0);
+	const operation = this.getNodeParameter('operation', 0);
+
+	let returnData: INodeExecutionData[] = [];
+
+	const googleBigQuery = {
+		resource,
+		operation,
+	} as GoogleBigQuery;
+
+	switch (googleBigQuery.resource) {
+		case 'database':
+			returnData = await record[googleBigQuery.operation].execute.call(this);
+			break;
+		default:
+			throw new NodeOperationError(this.getNode(), `The resource "${resource}" is not known`);
+	}
+
+	return this.prepareOutputData(returnData);
+}