first commit

packages/nodes-base/nodes/MySql/v2/actions/database/executeQuery.operation.ts

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+import type {
+	IDataObject,
+	IExecuteFunctions,
+	INodeExecutionData,
+	INodeProperties,
+} from 'n8n-workflow';
+import { NodeOperationError } from 'n8n-workflow';
+
+import { getResolvables, updateDisplayOptions } from '@utils/utilities';
+
+import type { QueryRunner, QueryWithValues } from '../../helpers/interfaces';
+import { prepareQueryAndReplacements, replaceEmptyStringsByNulls } from '../../helpers/utils';
+import { optionsCollection } from '../common.descriptions';
+
+const properties: INodeProperties[] = [
+	{
+		displayName: 'Query',
+		name: 'query',
+		type: 'string',
+		default: '',
+		placeholder: 'e.g. SELECT id, name FROM product WHERE id < 40',
+		required: true,
+		description:
+			"The SQL query to execute. You can use n8n expressions and $1, $2, $3, etc to refer to the 'Query Parameters' set in options below.",
+		noDataExpression: true,
+		typeOptions: {
+			editor: 'sqlEditor',
+			sqlDialect: 'MySQL',
+		},
+		hint: 'Consider using query parameters to prevent SQL injection attacks. Add them in the options below',
+	},
+	optionsCollection,
+];
+
+const displayOptions = {
+	show: {
+		resource: ['database'],
+		operation: ['executeQuery'],
+	},
+};
+
+export const description = updateDisplayOptions(displayOptions, properties);
+
+export async function execute(
+	this: IExecuteFunctions,
+	inputItems: INodeExecutionData[],
+	runQueries: QueryRunner,
+	nodeOptions: IDataObject,
+): Promise<INodeExecutionData[]> {
+	let returnData: INodeExecutionData[] = [];
+	const items = replaceEmptyStringsByNulls(inputItems, nodeOptions.replaceEmptyStrings as boolean);
+
+	const queries: QueryWithValues[] = [];
+
+	for (let i = 0; i < items.length; i++) {
+		let rawQuery = this.getNodeParameter('query', i) as string;
+
+		for (const resolvable of getResolvables(rawQuery)) {
+			rawQuery = rawQuery.replace(resolvable, this.evaluateExpression(resolvable, i) as string);
+		}
+
+		const options = this.getNodeParameter('options', i, {});
+
+		const nodeVersion = Number(nodeOptions.nodeVersion);
+
+		let values;
+		let queryReplacement = options.queryReplacement || [];
+
+		if (typeof queryReplacement === 'string') {
+			queryReplacement = queryReplacement.split(',').map((entry) => entry.trim());
+		}
+
+		if (Array.isArray(queryReplacement)) {
+			values = queryReplacement as IDataObject[];
+		} else {
+			throw new NodeOperationError(
+				this.getNode(),
+				'Query Replacement must be a string of comma-separated values, or an array of values',
+				{ itemIndex: i },
+			);
+		}
+
+		const preparedQuery = prepareQueryAndReplacements(rawQuery, nodeVersion, values);
+
+		if ((nodeOptions.nodeVersion as number) >= 2.3) {
+			const parsedNumbers = preparedQuery.values.map((value) => {
+				return Number(value) ? Number(value) : value;
+			});
+			preparedQuery.values = parsedNumbers;
+		}
+
+		queries.push(preparedQuery);
+	}
+
+	returnData = await runQueries(queries);
+
+	return returnData;
+}