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feat(MySQL Node): Overhaul

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Michael Kret 2023-04-12 17:24:17 +03:00 committed by GitHub
parent 29959be688
commit 0a53c957c4
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27 changed files with 3729 additions and 402 deletions
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115
packages/nodes-base/credentials/MySql.credentials.ts
View file

@ -97,5 +97,120 @@ export class MySql implements ICredentialType {
type: 'string',
default: '',
},
{
displayName: 'SSH Tunnel',
name: 'sshTunnel',
type: 'boolean',
default: false,
},
{
displayName: 'SSH Authenticate with',
name: 'sshAuthenticateWith',
type: 'options',
default: 'password',
options: [
{
name: 'Password',
value: 'password',
},
{
name: 'Private Key',
value: 'privateKey',
},
],
displayOptions: {
show: {
sshTunnel: [true],
},
},
},
{
displayName: 'SSH Host',
name: 'sshHost',
type: 'string',
default: 'localhost',
displayOptions: {
show: {
sshTunnel: [true],
},
},
},
{
displayName: 'SSH Port',
name: 'sshPort',
type: 'number',
default: 22,
displayOptions: {
show: {
sshTunnel: [true],
},
},
},
{
displayName: 'SSH MySQL Port',
name: 'sshMysqlPort',
type: 'number',
default: 3306,
displayOptions: {
show: {
sshTunnel: [true],
},
},
},
{
displayName: 'SSH User',
name: 'sshUser',
type: 'string',
default: 'root',
displayOptions: {
show: {
sshTunnel: [true],
},
},
},
{
displayName: 'SSH Password',
name: 'sshPassword',
type: 'string',
typeOptions: {
password: true,
},
default: '',
displayOptions: {
show: {
sshTunnel: [true],
sshAuthenticateWith: ['password'],
},
},
},
{
displayName: 'Private Key',
name: 'privateKey',
type: 'string',
typeOptions: {
rows: 4,
password: true,
},
default: '',
displayOptions: {
show: {
sshTunnel: [true],
sshAuthenticateWith: ['privateKey'],
},
},
},
{
displayName: 'Passphrase',
name: 'passphrase',
type: 'string',
default: '',
description: 'Passphase used to create the key, if no passphase was used leave empty',
displayOptions: {
show: {
sshTunnel: [true],
sshAuthenticateWith: ['privateKey'],
},
},
},
];
}

420
packages/nodes-base/nodes/MySql/MySql.node.ts
View file

@ -1,407 +1,25 @@
import type {
IExecuteFunctions,
ICredentialDataDecryptedObject,
ICredentialsDecrypted,
ICredentialTestFunctions,
IDataObject,
INodeCredentialTestResult,
INodeExecutionData,
INodeType,
INodeTypeDescription,
} from 'n8n-workflow';
import { NodeOperationError } from 'n8n-workflow';
// @ts-ignore
import type mysql2 from 'mysql2/promise';
import type { INodeTypeBaseDescription, IVersionedNodeType } from 'n8n-workflow';
import { VersionedNodeType } from 'n8n-workflow';
import { copyInputItems, createConnection, searchTables } from './GenericFunctions';
import { MySqlV1 } from './v1/MySqlV1.node';
import { MySqlV2 } from './v2/MySqlV2.node';
export class MySql implements INodeType {
description: INodeTypeDescription = {
displayName: 'MySQL',
name: 'mySql',
icon: 'file:mysql.svg',
group: ['input'],
version: 1,
description: 'Get, add and update data in MySQL',
defaults: {
name: 'MySQL',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'mySql',
required: true,
testedBy: 'mysqlConnectionTest',
},
],
properties: [
{
displayName: 'Operation',
name: 'operation',
type: 'options',
noDataExpression: true,
options: [
{
name: 'Execute Query',
value: 'executeQuery',
description: 'Execute an SQL query',
action: 'Execute a SQL query',
},
{
name: 'Insert',
value: 'insert',
description: 'Insert rows in database',
action: 'Insert rows in database',
},
{
name: 'Update',
value: 'update',
description: 'Update rows in database',
action: 'Update rows in database',
},
],
default: 'insert',
},
export class MySql extends VersionedNodeType {
constructor() {
const baseDescription: INodeTypeBaseDescription = {
displayName: 'MySQL',
name: 'mySql',
icon: 'file:mysql.svg',
group: ['input'],
defaultVersion: 2,
description: 'Get, add and update data in MySQL',
};
// ----------------------------------
// executeQuery
// ----------------------------------
{
displayName: 'Query',
name: 'query',
type: 'string',
displayOptions: {
show: {
operation: ['executeQuery'],
},
},
default: '',
placeholder: 'SELECT id, name FROM product WHERE id < 40',
required: true,
description: 'The SQL query to execute',
},
const nodeVersions: IVersionedNodeType['nodeVersions'] = {
1: new MySqlV1(baseDescription),
2: new MySqlV2(baseDescription),
};
// ----------------------------------
// insert
// ----------------------------------
{
displayName: 'Table',
name: 'table',
type: 'resourceLocator',
default: { mode: 'list', value: '' },
required: true,
modes: [
{
displayName: 'From List',
name: 'list',
type: 'list',
placeholder: 'Select a Table...',
typeOptions: {
searchListMethod: 'searchTables',
searchFilterRequired: false,
searchable: true,
},
},
{
displayName: 'Name',
name: 'name',
type: 'string',
placeholder: 'table_name',
},
],
displayOptions: {
show: {
operation: ['insert'],
},
},
description: 'Name of the table in which to insert data to',
},
{
displayName: 'Columns',
name: 'columns',
type: 'string',
displayOptions: {
show: {
operation: ['insert'],
},
},
requiresDataPath: 'multiple',
default: '',
placeholder: 'id,name,description',
description:
'Comma-separated list of the properties which should used as columns for the new rows',
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
displayOptions: {
show: {
operation: ['insert'],
},
},
default: {},
placeholder: 'Add modifiers',
description: 'Modifiers for INSERT statement',
options: [
{
displayName: 'Ignore',
name: 'ignore',
type: 'boolean',
default: true,
description:
'Whether to ignore any ignorable errors that occur while executing the INSERT statement',
},
{
displayName: 'Priority',
name: 'priority',
type: 'options',
options: [
{
name: 'Low Prioirity',
value: 'LOW_PRIORITY',
description:
'Delays execution of the INSERT until no other clients are reading from the table',
},
{
name: 'High Priority',
value: 'HIGH_PRIORITY',
description:
'Overrides the effect of the --low-priority-updates option if the server was started with that option. It also causes concurrent inserts not to be used.',
},
],
default: 'LOW_PRIORITY',
description:
'Ignore any ignorable errors that occur while executing the INSERT statement',
},
],
},
// ----------------------------------
// update
// ----------------------------------
{
displayName: 'Table',
name: 'table',
type: 'resourceLocator',
default: { mode: 'list', value: '' },
required: true,
modes: [
{
displayName: 'From List',
name: 'list',
type: 'list',
placeholder: 'Select a Table...',
typeOptions: {
searchListMethod: 'searchTables',
searchFilterRequired: false,
searchable: true,
},
},
{
displayName: 'Name',
name: 'name',
type: 'string',
placeholder: 'table_name',
},
],
displayOptions: {
show: {
operation: ['update'],
},
},
description: 'Name of the table in which to update data in',
},
{
displayName: 'Update Key',
name: 'updateKey',
type: 'string',
displayOptions: {
show: {
operation: ['update'],
},
},
default: 'id',
required: true,
// eslint-disable-next-line n8n-nodes-base/node-param-description-miscased-id
description:
'Name of the property which decides which rows in the database should be updated. Normally that would be "id".',
},
{
displayName: 'Columns',
name: 'columns',
type: 'string',
requiresDataPath: 'multiple',
displayOptions: {
show: {
operation: ['update'],
},
},
default: '',
placeholder: 'name,description',
description:
'Comma-separated list of the properties which should used as columns for rows to update',
},
],
};
methods = {
credentialTest: {
async mysqlConnectionTest(
this: ICredentialTestFunctions,
credential: ICredentialsDecrypted,
): Promise<INodeCredentialTestResult> {
const credentials = credential.data as ICredentialDataDecryptedObject;
try {
const connection = await createConnection(credentials);
await connection.end();
} catch (error) {
return {
status: 'Error',
message: error.message,
};
}
return {
status: 'OK',
message: 'Connection successful!',
};
},
},
listSearch: {
searchTables,
},
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const credentials = await this.getCredentials('mySql');
const connection = await createConnection(credentials);
const items = this.getInputData();
const operation = this.getNodeParameter('operation', 0);
let returnItems: INodeExecutionData[] = [];
if (operation === 'executeQuery') {
// ----------------------------------
// executeQuery
// ----------------------------------
try {
const queryQueue = items.map(async (item, index) => {
const rawQuery = this.getNodeParameter('query', index) as string;
return connection.query(rawQuery);
});
returnItems = ((await Promise.all(queryQueue)) as mysql2.OkPacket[][]).reduce(
(collection, result, index) => {
const [rows] = result;
const executionData = this.helpers.constructExecutionMetaData(
this.helpers.returnJsonArray(rows as unknown as IDataObject[]),
{ itemData: { item: index } },
);
collection.push(...executionData);
return collection;
},
[] as INodeExecutionData[],
);
} catch (error) {
if (this.continueOnFail()) {
returnItems = this.helpers.returnJsonArray({ error: error.message });
} else {
await connection.end();
throw error;
}
}
} else if (operation === 'insert') {
// ----------------------------------
// insert
// ----------------------------------
try {
const table = this.getNodeParameter('table', 0, '', { extractValue: true }) as string;
const columnString = this.getNodeParameter('columns', 0) as string;
const columns = columnString.split(',').map((column) => column.trim());
const insertItems = copyInputItems(items, columns);
const insertPlaceholder = `(${columns.map((_column) => '?').join(',')})`;
const options = this.getNodeParameter('options', 0);
const insertIgnore = options.ignore as boolean;
const insertPriority = options.priority as string;
const insertSQL = `INSERT ${insertPriority || ''} ${
insertIgnore ? 'IGNORE' : ''
} INTO ${table}(${columnString}) VALUES ${items
.map((_item) => insertPlaceholder)
.join(',')};`;
const queryItems = insertItems.reduce(
(collection: IDataObject[], item) =>
collection.concat(Object.values(item) as IDataObject[]),
[],
);
const queryResult = await connection.query(insertSQL, queryItems);
returnItems = this.helpers.returnJsonArray(queryResult[0] as unknown as IDataObject);
} catch (error) {
if (this.continueOnFail()) {
returnItems = this.helpers.returnJsonArray({ error: error.message });
} else {
await connection.end();
throw error;
}
}
} else if (operation === 'update') {
// ----------------------------------
// update
// ----------------------------------
try {
const table = this.getNodeParameter('table', 0, '', { extractValue: true }) as string;
const updateKey = this.getNodeParameter('updateKey', 0) as string;
const columnString = this.getNodeParameter('columns', 0) as string;
const columns = columnString.split(',').map((column) => column.trim());
if (!columns.includes(updateKey)) {
columns.unshift(updateKey);
}
const updateItems = copyInputItems(items, columns);
const updateSQL = `UPDATE ${table} SET ${columns
.map((column) => `${column} = ?`)
.join(',')} WHERE ${updateKey} = ?;`;
const queryQueue = updateItems.map(async (item) =>
connection.query(updateSQL, Object.values(item).concat(item[updateKey])),
);
const queryResult = await Promise.all(queryQueue);
returnItems = this.helpers.returnJsonArray(
queryResult.map((result) => result[0]) as unknown as IDataObject[],
);
} catch (error) {
if (this.continueOnFail()) {
returnItems = this.helpers.returnJsonArray({ error: error.message });
} else {
await connection.end();
throw error;
}
}
} else {
if (this.continueOnFail()) {
returnItems = this.helpers.returnJsonArray({
error: `The operation "${operation}" is not supported!`,
});
} else {
await connection.end();
throw new NodeOperationError(
this.getNode(),
`The operation "${operation}" is not supported!`,
);
}
}
await connection.end();
return this.prepareOutputData(returnItems);
super(nodeVersions, baseDescription);
}
}

511
packages/nodes-base/nodes/MySql/test/v2/operations.test.ts Normal file
View file

@ -0,0 +1,511 @@
import type { IDataObject, INode } from 'n8n-workflow';
import { createMockExecuteFunction } from '../../../../test/nodes/Helpers';
import * as deleteTable from '../../v2/actions/database/deleteTable.operation';
import * as executeQuery from '../../v2/actions/database/executeQuery.operation';
import * as insert from '../../v2/actions/database/insert.operation';
import * as select from '../../v2/actions/database/select.operation';
import * as update from '../../v2/actions/database/update.operation';
import * as upsert from '../../v2/actions/database/upsert.operation';
import type { Mysql2Pool, QueryRunner } from '../../v2/helpers/interfaces';
import { configureQueryRunner } from '../../v2/helpers/utils';
import mysql2 from 'mysql2/promise';
const mySqlMockNode: INode = {
id: '1',
name: 'MySQL node',
typeVersion: 2,
type: 'n8n-nodes-base.mySql',
position: [60, 760],
parameters: {
operation: 'select',
},
};
const fakeConnection = {
format(query: string, values: any[]) {
return mysql2.format(query, values);
},
query: jest.fn(async (_query = ''): Promise<any> => Promise.resolve([{}])),
release: jest.fn(),
beginTransaction: jest.fn(),
commit: jest.fn(),
rollback: jest.fn(),
};
const createFakePool = (connection: IDataObject) => {
return {
getConnection() {
return connection;
},
query: jest.fn(async () => Promise.resolve([{}])),
} as unknown as Mysql2Pool;
};
const emptyInputItems = [{ json: {}, pairedItem: { item: 0, input: undefined } }];
describe('Test MySql V2, operations', () => {
afterEach(() => {
jest.clearAllMocks();
});
it('should have all operations', () => {
expect(deleteTable.execute).toBeDefined();
expect(deleteTable.description).toBeDefined();
expect(executeQuery.execute).toBeDefined();
expect(executeQuery.description).toBeDefined();
expect(insert.execute).toBeDefined();
expect(insert.description).toBeDefined();
expect(select.execute).toBeDefined();
expect(select.description).toBeDefined();
expect(update.execute).toBeDefined();
expect(update.description).toBeDefined();
expect(upsert.execute).toBeDefined();
expect(upsert.description).toBeDefined();
});
it('deleteTable: drop, should call runQueries with', async () => {
const nodeParameters: IDataObject = {
operation: 'deleteTable',
table: {
__rl: true,
value: 'test_table',
mode: 'list',
cachedResultName: 'test_table',
},
deleteCommand: 'drop',
options: {},
};
const nodeOptions = nodeParameters.options as IDataObject;
const pool = createFakePool(fakeConnection);
const poolQuerySpy = jest.spyOn(pool, 'query');
const fakeExecuteFunction = createMockExecuteFunction(nodeParameters, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const result = await deleteTable.execute.call(fakeExecuteFunction, emptyInputItems, runQueries);
expect(result).toBeDefined();
expect(result).toEqual([{ json: { success: true } }]);
expect(poolQuerySpy).toBeCalledTimes(1);
expect(poolQuerySpy).toBeCalledWith('DROP TABLE IF EXISTS `test_table`');
});
it('deleteTable: truncate, should call runQueries with', async () => {
const nodeParameters: IDataObject = {
operation: 'deleteTable',
table: {
__rl: true,
value: 'test_table',
mode: 'list',
cachedResultName: 'test_table',
},
deleteCommand: 'truncate',
options: {},
};
const nodeOptions = nodeParameters.options as IDataObject;
const pool = createFakePool(fakeConnection);
const poolQuerySpy = jest.spyOn(pool, 'query');
const fakeExecuteFunction = createMockExecuteFunction(nodeParameters, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const result = await deleteTable.execute.call(fakeExecuteFunction, emptyInputItems, runQueries);
expect(result).toBeDefined();
expect(result).toEqual([{ json: { success: true } }]);
expect(poolQuerySpy).toBeCalledTimes(1);
expect(poolQuerySpy).toBeCalledWith('TRUNCATE TABLE `test_table`');
});
it('deleteTable: delete, should call runQueries with', async () => {
const nodeParameters: IDataObject = {
operation: 'deleteTable',
table: {
__rl: true,
value: 'test_table',
mode: 'list',
cachedResultName: 'test_table',
},
deleteCommand: 'delete',
where: {
values: [
{
column: 'id',
condition: 'equal',
value: '1',
},
{
column: 'name',
condition: 'LIKE',
value: 'some%',
},
],
},
options: {},
};
const nodeOptions = nodeParameters.options as IDataObject;
const pool = createFakePool(fakeConnection);
const poolQuerySpy = jest.spyOn(pool, 'query');
const fakeExecuteFunction = createMockExecuteFunction(nodeParameters, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const result = await deleteTable.execute.call(fakeExecuteFunction, emptyInputItems, runQueries);
expect(result).toBeDefined();
expect(result).toEqual([{ json: { success: true } }]);
expect(poolQuerySpy).toBeCalledTimes(1);
expect(poolQuerySpy).toBeCalledWith(
"DELETE FROM `test_table` WHERE `id` = '1' AND `name` LIKE 'some%'",
);
});
it('executeQuery, should call runQueries with', async () => {
const nodeParameters: IDataObject = {
operation: 'executeQuery',
query:
"DROP TABLE IF EXISTS $1:name;\ncreate table $1:name (id INT, name TEXT);\ninsert into $1:name (id, name) values (1, 'test 1');\nselect * from $1:name;\n",
options: {
queryBatching: 'independently',
queryReplacement: 'test_table',
},
};
const nodeOptions = nodeParameters.options as IDataObject;
const fakeConnectionCopy = { ...fakeConnection };
fakeConnectionCopy.query = jest.fn(async (query?: string) => {
const result = [];
console.log(query);
if (query?.toLowerCase().includes('select')) {
result.push([{ id: 1, name: 'test 1' }]);
} else {
result.push({});
}
return Promise.resolve(result);
});
const pool = createFakePool(fakeConnectionCopy);
const connectionQuerySpy = jest.spyOn(fakeConnectionCopy, 'query');
const fakeExecuteFunction = createMockExecuteFunction(nodeParameters, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const result = await executeQuery.execute.call(
fakeExecuteFunction,
emptyInputItems,
runQueries,
nodeOptions,
);
expect(result).toBeDefined();
expect(result).toEqual([
{
json: {
id: 1,
name: 'test 1',
},
pairedItem: {
item: 0,
},
},
]);
expect(connectionQuerySpy).toBeCalledTimes(4);
expect(connectionQuerySpy).toBeCalledWith('DROP TABLE IF EXISTS `test_table`');
expect(connectionQuerySpy).toBeCalledWith('create table `test_table` (id INT, name TEXT)');
expect(connectionQuerySpy).toBeCalledWith(
"insert into `test_table` (id, name) values (1, 'test 1')",
);
expect(connectionQuerySpy).toBeCalledWith('select * from `test_table`');
});
it('select, should call runQueries with', async () => {
const nodeParameters: IDataObject = {
operation: 'select',
table: {
__rl: true,
value: 'test_table',
mode: 'list',
cachedResultName: 'test_table',
},
limit: 2,
where: {
values: [
{
column: 'id',
condition: '>',
value: '1',
},
{
column: 'name',
value: 'test',
},
],
},
combineConditions: 'OR',
sort: {
values: [
{
column: 'id',
direction: 'DESC',
},
],
},
options: {
queryBatching: 'transaction',
detailedOutput: false,
},
};
const nodeOptions = nodeParameters.options as IDataObject;
const pool = createFakePool(fakeConnection);
const connectionQuerySpy = jest.spyOn(fakeConnection, 'query');
const fakeExecuteFunction = createMockExecuteFunction(nodeParameters, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const result = await select.execute.call(fakeExecuteFunction, emptyInputItems, runQueries);
expect(result).toBeDefined();
expect(result).toEqual([{ json: { success: true } }]);
const connectionBeginTransactionSpy = jest.spyOn(fakeConnection, 'beginTransaction');
const connectionCommitSpy = jest.spyOn(fakeConnection, 'commit');
expect(connectionBeginTransactionSpy).toBeCalledTimes(1);
expect(connectionQuerySpy).toBeCalledTimes(1);
expect(connectionQuerySpy).toBeCalledWith(
"SELECT * FROM `test_table` WHERE `id` > 1 OR `name` undefined 'test' ORDER BY `id` DESC LIMIT 2",
);
expect(connectionCommitSpy).toBeCalledTimes(1);
});
it('insert, should call runQueries with', async () => {
const nodeParameters: IDataObject = {
table: {
__rl: true,
value: 'test_table',
mode: 'list',
cachedResultName: 'test_table',
},
dataMode: 'defineBelow',
valuesToSend: {
values: [
{
column: 'id',
value: '2',
},
{
column: 'name',
value: 'name 2',
},
],
},
options: {
queryBatching: 'independently',
priority: 'HIGH_PRIORITY',
detailedOutput: false,
skipOnConflict: true,
},
};
const nodeOptions = nodeParameters.options as IDataObject;
const pool = createFakePool(fakeConnection);
const connectionQuerySpy = jest.spyOn(fakeConnection, 'query');
const fakeExecuteFunction = createMockExecuteFunction(nodeParameters, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const result = await insert.execute.call(
fakeExecuteFunction,
emptyInputItems,
runQueries,
nodeOptions,
);
expect(result).toBeDefined();
expect(result).toEqual([{ json: { success: true } }]);
expect(connectionQuerySpy).toBeCalledTimes(1);
expect(connectionQuerySpy).toBeCalledWith(
"INSERT HIGH_PRIORITY IGNORE INTO `test_table` (`id`, `name`) VALUES ('2','name 2')",
);
});
it('update, should call runQueries with', async () => {
const nodeParameters: IDataObject = {
operation: 'update',
table: {
__rl: true,
value: 'test_table',
mode: 'list',
cachedResultName: 'test_table',
},
dataMode: 'autoMapInputData',
columnToMatchOn: 'id',
options: {
queryBatching: 'independently',
},
};
const nodeOptions = nodeParameters.options as IDataObject;
const pool = createFakePool(fakeConnection);
const connectionQuerySpy = jest.spyOn(fakeConnection, 'query');
const fakeExecuteFunction = createMockExecuteFunction(nodeParameters, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const inputItems = [
{
json: {
id: 42,
name: 'test 4',
},
},
{
json: {
id: 88,
name: 'test 88',
},
},
];
const result = await update.execute.call(
fakeExecuteFunction,
inputItems,
runQueries,
nodeOptions,
);
expect(result).toBeDefined();
expect(result).toEqual([{ json: { success: true } }, { json: { success: true } }]);
expect(connectionQuerySpy).toBeCalledTimes(2);
expect(connectionQuerySpy).toBeCalledWith(
"UPDATE `test_table` SET `name` = 'test 4' WHERE `id` = 42",
);
expect(connectionQuerySpy).toBeCalledWith(
"UPDATE `test_table` SET `name` = 'test 88' WHERE `id` = 88",
);
});
it('upsert, should call runQueries with', async () => {
const nodeParameters: IDataObject = {
operation: 'upsert',
table: {
__rl: true,
value: 'test_table',
mode: 'list',
cachedResultName: 'test_table',
},
columnToMatchOn: 'id',
dataMode: 'autoMapInputData',
options: {},
};
const nodeOptions = nodeParameters.options as IDataObject;
const pool = createFakePool(fakeConnection);
const poolQuerySpy = jest.spyOn(pool, 'query');
const fakeExecuteFunction = createMockExecuteFunction(nodeParameters, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const inputItems = [
{
json: {
id: 42,
name: 'test 4',
},
},
{
json: {
id: 88,
name: 'test 88',
},
},
];
const result = await upsert.execute.call(
fakeExecuteFunction,
inputItems,
runQueries,
nodeOptions,
);
expect(result).toBeDefined();
expect(result).toEqual([{ json: { success: true } }]);
expect(poolQuerySpy).toBeCalledTimes(1);
expect(poolQuerySpy).toBeCalledWith(
"INSERT INTO `test_table`(`id`, `name`) VALUES(42,'test 4') ON DUPLICATE KEY UPDATE `name` = 'test 4';INSERT INTO `test_table`(`id`, `name`) VALUES(88,'test 88') ON DUPLICATE KEY UPDATE `name` = 'test 88'",
);
});
});

178
packages/nodes-base/nodes/MySql/test/v2/runQueries.test.ts Normal file
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import { createMockExecuteFunction } from '../../../../test/nodes/Helpers';
import { configureQueryRunner } from '../../v2/helpers/utils';
import type { Mysql2Pool, QueryRunner } from '../../v2/helpers/interfaces';
import { BATCH_MODE } from '../../v2/helpers/interfaces';
import type { IDataObject, INode } from 'n8n-workflow';
import mysql2 from 'mysql2/promise';
const mySqlMockNode: INode = {
id: '1',
name: 'MySQL node',
typeVersion: 2,
type: 'n8n-nodes-base.mySql',
position: [60, 760],
parameters: {
operation: 'select',
},
};
const fakeConnection = {
format(query: string, values: any[]) {
return mysql2.format(query, values);
},
query: jest.fn(async () => Promise.resolve([{}])),
release: jest.fn(),
beginTransaction: jest.fn(),
commit: jest.fn(),
rollback: jest.fn(),
};
const createFakePool = (connection: IDataObject) => {
return {
getConnection() {
return connection;
},
query: jest.fn(async () => Promise.resolve([{}])),
} as unknown as Mysql2Pool;
};
describe('Test MySql V2, runQueries', () => {
afterEach(() => {
jest.clearAllMocks();
});
it('should execute in "Single" mode, should return success true', async () => {
const nodeOptions: IDataObject = { queryBatching: BATCH_MODE.SINGLE };
const pool = createFakePool(fakeConnection);
const fakeExecuteFunction = createMockExecuteFunction({}, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const poolGetConnectionSpy = jest.spyOn(pool, 'getConnection');
const poolQuerySpy = jest.spyOn(pool, 'query');
const connectionReleaseSpy = jest.spyOn(fakeConnection, 'release');
const connectionFormatSpy = jest.spyOn(fakeConnection, 'format');
const result = await runQueries([
{ query: 'SELECT * FROM my_table WHERE id = ?', values: [55] },
]);
expect(result).toBeDefined();
expect(result).toHaveLength(1);
expect(result).toEqual([{ json: { success: true } }]);
expect(poolGetConnectionSpy).toBeCalledTimes(1);
expect(connectionReleaseSpy).toBeCalledTimes(1);
expect(poolQuerySpy).toBeCalledTimes(1);
expect(poolQuerySpy).toBeCalledWith('SELECT * FROM my_table WHERE id = 55');
expect(connectionFormatSpy).toBeCalledTimes(1);
expect(connectionFormatSpy).toBeCalledWith('SELECT * FROM my_table WHERE id = ?', [55]);
});
it('should execute in "independently" mode, should return success true', async () => {
const nodeOptions: IDataObject = { queryBatching: BATCH_MODE.INDEPENDENTLY };
const pool = createFakePool(fakeConnection);
const fakeExecuteFunction = createMockExecuteFunction({}, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const poolGetConnectionSpy = jest.spyOn(pool, 'getConnection');
const connectionReleaseSpy = jest.spyOn(fakeConnection, 'release');
const connectionFormatSpy = jest.spyOn(fakeConnection, 'format');
const connectionQuerySpy = jest.spyOn(fakeConnection, 'query');
const result = await runQueries([
{
query: 'SELECT * FROM my_table WHERE id = ?; SELECT * FROM my_table WHERE id = ?',
values: [55, 42],
},
]);
expect(result).toBeDefined();
expect(result).toHaveLength(1);
expect(result).toEqual([{ json: { success: true } }]);
expect(poolGetConnectionSpy).toBeCalledTimes(1);
expect(connectionQuerySpy).toBeCalledTimes(2);
expect(connectionQuerySpy).toBeCalledWith('SELECT * FROM my_table WHERE id = 55');
expect(connectionQuerySpy).toBeCalledWith('SELECT * FROM my_table WHERE id = 42');
expect(connectionFormatSpy).toBeCalledTimes(1);
expect(connectionFormatSpy).toBeCalledWith(
'SELECT * FROM my_table WHERE id = ?; SELECT * FROM my_table WHERE id = ?',
[55, 42],
);
expect(connectionReleaseSpy).toBeCalledTimes(1);
});
it('should execute in "transaction" mode, should return success true', async () => {
const nodeOptions: IDataObject = { queryBatching: BATCH_MODE.TRANSACTION };
const pool = createFakePool(fakeConnection);
const fakeExecuteFunction = createMockExecuteFunction({}, mySqlMockNode);
const runQueries: QueryRunner = configureQueryRunner.call(
fakeExecuteFunction,
nodeOptions,
pool,
);
const poolGetConnectionSpy = jest.spyOn(pool, 'getConnection');
const connectionReleaseSpy = jest.spyOn(fakeConnection, 'release');
const connectionFormatSpy = jest.spyOn(fakeConnection, 'format');
const connectionQuerySpy = jest.spyOn(fakeConnection, 'query');
const connectionBeginTransactionSpy = jest.spyOn(fakeConnection, 'beginTransaction');
const connectionCommitSpy = jest.spyOn(fakeConnection, 'commit');
const result = await runQueries([
{
query: 'SELECT * FROM my_table WHERE id = ?; SELECT * FROM my_table WHERE id = ?',
values: [55, 42],
},
]);
expect(result).toBeDefined();
expect(result).toHaveLength(1);
expect(result).toEqual([{ json: { success: true } }]);
expect(poolGetConnectionSpy).toBeCalledTimes(1);
expect(connectionBeginTransactionSpy).toBeCalledTimes(1);
expect(connectionQuerySpy).toBeCalledTimes(2);
expect(connectionQuerySpy).toBeCalledWith('SELECT * FROM my_table WHERE id = 55');
expect(connectionQuerySpy).toBeCalledWith('SELECT * FROM my_table WHERE id = 42');
expect(connectionFormatSpy).toBeCalledTimes(1);
expect(connectionFormatSpy).toBeCalledWith(
'SELECT * FROM my_table WHERE id = ?; SELECT * FROM my_table WHERE id = ?',
[55, 42],
);
expect(connectionCommitSpy).toBeCalledTimes(1);
expect(connectionReleaseSpy).toBeCalledTimes(1);
});
});

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import type { INode } from 'n8n-workflow';
import type { SortRule, WhereClause } from '../../v2/helpers/interfaces';
import {
prepareQueryAndReplacements,
wrapData,
addWhereClauses,
addSortRules,
replaceEmptyStringsByNulls,
} from '../../v2/helpers/utils';
const mySqlMockNode: INode = {
id: '1',
name: 'MySQL node',
typeVersion: 2,
type: 'n8n-nodes-base.mySql',
position: [60, 760],
parameters: {
operation: 'select',
},
};
describe('Test MySql V2, prepareQueryAndReplacements', () => {
it('should transform query and values', () => {
const preparedQuery = prepareQueryAndReplacements(
'SELECT * FROM $1:name WHERE id = $2 AND name = $4 AND $3:name = 28',
['table', 15, 'age', 'Name'],
);
expect(preparedQuery).toBeDefined();
expect(preparedQuery.query).toEqual(
'SELECT * FROM `table` WHERE id = ? AND name = ? AND `age` = 28',
);
expect(preparedQuery.values.length).toEqual(2);
expect(preparedQuery.values[0]).toEqual(15);
expect(preparedQuery.values[1]).toEqual('Name');
});
});
describe('Test MySql V2, wrapData', () => {
it('should wrap object in json', () => {
const data = {
id: 1,
name: 'Name',
};
const wrappedData = wrapData(data);
expect(wrappedData).toBeDefined();
expect(wrappedData).toEqual([{ json: data }]);
});
it('should wrap each object in array in json', () => {
const data = [
{
id: 1,
name: 'Name',
},
{
id: 2,
name: 'Name 2',
},
];
const wrappedData = wrapData(data);
expect(wrappedData).toBeDefined();
expect(wrappedData).toEqual([{ json: data[0] }, { json: data[1] }]);
});
it('json key from source should be inside json', () => {
const data = {
json: {
id: 1,
name: 'Name',
},
};
const wrappedData = wrapData(data);
expect(wrappedData).toBeDefined();
expect(wrappedData).toEqual([{ json: data }]);
expect(Object.keys(wrappedData[0].json)).toContain('json');
});
});
describe('Test MySql V2, addWhereClauses', () => {
it('add where clauses to query', () => {
const whereClauses: WhereClause[] = [
{ column: 'species', condition: 'equal', value: 'dog' },
{ column: 'name', condition: 'equal', value: 'Hunter' },
];
const [query, values] = addWhereClauses(
mySqlMockNode,
0,
'SELECT * FROM `pet`',
whereClauses,
[],
);
expect(query).toEqual('SELECT * FROM `pet` WHERE `species` = ? AND `name` = ?');
expect(values.length).toEqual(2);
expect(values[0]).toEqual('dog');
expect(values[1]).toEqual('Hunter');
});
it('add where clauses to query combined by OR', () => {
const whereClauses: WhereClause[] = [
{ column: 'species', condition: 'equal', value: 'dog' },
{ column: 'name', condition: 'equal', value: 'Hunter' },
];
const [query, values] = addWhereClauses(
mySqlMockNode,
0,
'SELECT * FROM `pet`',
whereClauses,
[],
'OR',
);
expect(query).toEqual('SELECT * FROM `pet` WHERE `species` = ? OR `name` = ?');
expect(values.length).toEqual(2);
expect(values[0]).toEqual('dog');
expect(values[1]).toEqual('Hunter');
});
});
describe('Test MySql V2, addSortRules', () => {
it('should add ORDER by', () => {
const sortRules: SortRule[] = [
{ column: 'name', direction: 'ASC' },
{ column: 'age', direction: 'DESC' },
];
const [query, values] = addSortRules('SELECT * FROM `pet`', sortRules, []);
expect(query).toEqual('SELECT * FROM `pet` ORDER BY `name` ASC, `age` DESC');
expect(values.length).toEqual(0);
});
});
describe('Test MySql V2, replaceEmptyStringsByNulls', () => {
it('should replace empty strings', () => {
const data = [
{ json: { id: 1, name: '' } },
{ json: { id: '', name: '' } },
{ json: { id: null, data: '' } },
];
const replacedData = replaceEmptyStringsByNulls(data, true);
expect(replacedData).toBeDefined();
expect(replacedData).toEqual([
{ json: { id: 1, name: null } },
{ json: { id: null, name: null } },
{ json: { id: null, data: null } },
]);
});
it('should not replace empty strings', () => {
const data = [{ json: { id: 1, name: '' } }];
const replacedData = replaceEmptyStringsByNulls(data);
expect(replacedData).toBeDefined();
expect(replacedData).toEqual([{ json: { id: 1, name: '' } }]);
});
});

0
packages/nodes-base/nodes/MySql/GenericFunctions.ts → packages/nodes-base/nodes/MySql/v1/GenericFunctions.ts
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424
packages/nodes-base/nodes/MySql/v1/MySqlV1.node.ts Normal file
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/* eslint-disable n8n-nodes-base/node-filename-against-convention */
import type {
ICredentialDataDecryptedObject,
ICredentialsDecrypted,
ICredentialTestFunctions,
IDataObject,
INodeCredentialTestResult,
INodeExecutionData,
INodeType,
INodeTypeBaseDescription,
INodeTypeDescription,
} from 'n8n-workflow';
import { NodeOperationError } from 'n8n-workflow';
import type mysql2 from 'mysql2/promise';
import { copyInputItems, createConnection, searchTables } from './GenericFunctions';
import type { IExecuteFunctions } from 'n8n-core';
const versionDescription: INodeTypeDescription = {
displayName: 'MySQL',
name: 'mySql',
icon: 'file:mysql.svg',
group: ['input'],
version: 1,
description: 'Get, add and update data in MySQL',
defaults: {
name: 'MySQL',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'mySql',
required: true,
testedBy: 'mysqlConnectionTest',
},
],
properties: [
{
displayName: 'Version 1',
name: 'versionNotice',
type: 'notice',
default: '',
},
{
displayName: 'Operation',
name: 'operation',
type: 'options',
noDataExpression: true,
options: [
{
name: 'Execute Query',
value: 'executeQuery',
description: 'Execute an SQL query',
action: 'Execute a SQL query',
},
{
name: 'Insert',
value: 'insert',
description: 'Insert rows in database',
action: 'Insert rows in database',
},
{
name: 'Update',
value: 'update',
description: 'Update rows in database',
action: 'Update rows in database',
},
],
default: 'insert',
},
// ----------------------------------
// executeQuery
// ----------------------------------
{
displayName: 'Query',
name: 'query',
type: 'string',
displayOptions: {
show: {
operation: ['executeQuery'],
},
},
default: '',
placeholder: 'SELECT id, name FROM product WHERE id < 40',
required: true,
description: 'The SQL query to execute',
},
// ----------------------------------
// insert
// ----------------------------------
{
displayName: 'Table',
name: 'table',
type: 'resourceLocator',
default: { mode: 'list', value: '' },
required: true,
modes: [
{
displayName: 'From List',
name: 'list',
type: 'list',
placeholder: 'Select a Table...',
typeOptions: {
searchListMethod: 'searchTables',
searchFilterRequired: false,
searchable: true,
},
},
{
displayName: 'Name',
name: 'name',
type: 'string',
placeholder: 'table_name',
},
],
displayOptions: {
show: {
operation: ['insert'],
},
},
description: 'Name of the table in which to insert data to',
},
{
displayName: 'Columns',
name: 'columns',
type: 'string',
displayOptions: {
show: {
operation: ['insert'],
},
},
requiresDataPath: 'multiple',
default: '',
placeholder: 'id,name,description',
description:
'Comma-separated list of the properties which should used as columns for the new rows',
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
displayOptions: {
show: {
operation: ['insert'],
},
},
default: {},
placeholder: 'Add modifiers',
description: 'Modifiers for INSERT statement',
options: [
{
displayName: 'Ignore',
name: 'ignore',
type: 'boolean',
default: true,
description:
'Whether to ignore any ignorable errors that occur while executing the INSERT statement',
},
{
displayName: 'Priority',
name: 'priority',
type: 'options',
options: [
{
name: 'Low Prioirity',
value: 'LOW_PRIORITY',
description:
'Delays execution of the INSERT until no other clients are reading from the table',
},
{
name: 'High Priority',
value: 'HIGH_PRIORITY',
description:
'Overrides the effect of the --low-priority-updates option if the server was started with that option. It also causes concurrent inserts not to be used.',
},
],
default: 'LOW_PRIORITY',
description:
'Ignore any ignorable errors that occur while executing the INSERT statement',
},
],
},
// ----------------------------------
// update
// ----------------------------------
{
displayName: 'Table',
name: 'table',
type: 'resourceLocator',
default: { mode: 'list', value: '' },
required: true,
modes: [
{
displayName: 'From List',
name: 'list',
type: 'list',
placeholder: 'Select a Table...',
typeOptions: {
searchListMethod: 'searchTables',
searchFilterRequired: false,
searchable: true,
},
},
{
displayName: 'Name',
name: 'name',
type: 'string',
placeholder: 'table_name',
},
],
displayOptions: {
show: {
operation: ['update'],
},
},
description: 'Name of the table in which to update data in',
},
{
displayName: 'Update Key',
name: 'updateKey',
type: 'string',
displayOptions: {
show: {
operation: ['update'],
},
},
default: 'id',
required: true,
// eslint-disable-next-line n8n-nodes-base/node-param-description-miscased-id
description:
'Name of the property which decides which rows in the database should be updated. Normally that would be "id".',
},
{
displayName: 'Columns',
name: 'columns',
type: 'string',
requiresDataPath: 'multiple',
displayOptions: {
show: {
operation: ['update'],
},
},
default: '',
placeholder: 'name,description',
description:
'Comma-separated list of the properties which should used as columns for rows to update',
},
],
};
export class MySqlV1 implements INodeType {
description: INodeTypeDescription;
constructor(baseDescription: INodeTypeBaseDescription) {
this.description = {
...baseDescription,
...versionDescription,
};
}
methods = {
credentialTest: {
async mysqlConnectionTest(
this: ICredentialTestFunctions,
credential: ICredentialsDecrypted,
): Promise<INodeCredentialTestResult> {
const credentials = credential.data as ICredentialDataDecryptedObject;
try {
const connection = await createConnection(credentials);
await connection.end();
} catch (error) {
return {
status: 'Error',
message: error.message,
};
}
return {
status: 'OK',
message: 'Connection successful!',
};
},
},
listSearch: {
searchTables,
},
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const credentials = await this.getCredentials('mySql');
const connection = await createConnection(credentials);
const items = this.getInputData();
const operation = this.getNodeParameter('operation', 0);
let returnItems: INodeExecutionData[] = [];
if (operation === 'executeQuery') {
// ----------------------------------
// executeQuery
// ----------------------------------
try {
const queryQueue = items.map(async (item, index) => {
const rawQuery = this.getNodeParameter('query', index) as string;
return connection.query(rawQuery);
});
returnItems = ((await Promise.all(queryQueue)) as mysql2.OkPacket[][]).reduce(
(collection, result, index) => {
const [rows] = result;
const executionData = this.helpers.constructExecutionMetaData(
this.helpers.returnJsonArray(rows as unknown as IDataObject[]),
{ itemData: { item: index } },
);
collection.push(...executionData);
return collection;
},
[] as INodeExecutionData[],
);
} catch (error) {
if (this.continueOnFail()) {
returnItems = this.helpers.returnJsonArray({ error: error.message });
} else {
await connection.end();
throw error;
}
}
} else if (operation === 'insert') {
// ----------------------------------
// insert
// ----------------------------------
try {
const table = this.getNodeParameter('table', 0, '', { extractValue: true }) as string;
const columnString = this.getNodeParameter('columns', 0) as string;
const columns = columnString.split(',').map((column) => column.trim());
const insertItems = copyInputItems(items, columns);
const insertPlaceholder = `(${columns.map((_column) => '?').join(',')})`;
const options = this.getNodeParameter('options', 0);
const insertIgnore = options.ignore as boolean;
const insertPriority = options.priority as string;
const insertSQL = `INSERT ${insertPriority || ''} ${
insertIgnore ? 'IGNORE' : ''
} INTO ${table}(${columnString}) VALUES ${items
.map((_item) => insertPlaceholder)
.join(',')};`;
const queryItems = insertItems.reduce(
(collection: IDataObject[], item) =>
collection.concat(Object.values(item) as IDataObject[]),
[],
);
const queryResult = await connection.query(insertSQL, queryItems);
returnItems = this.helpers.returnJsonArray(queryResult[0] as unknown as IDataObject);
} catch (error) {
if (this.continueOnFail()) {
returnItems = this.helpers.returnJsonArray({ error: error.message });
} else {
await connection.end();
throw error;
}
}
} else if (operation === 'update') {
// ----------------------------------
// update
// ----------------------------------
try {
const table = this.getNodeParameter('table', 0, '', { extractValue: true }) as string;
const updateKey = this.getNodeParameter('updateKey', 0) as string;
const columnString = this.getNodeParameter('columns', 0) as string;
const columns = columnString.split(',').map((column) => column.trim());
if (!columns.includes(updateKey)) {
columns.unshift(updateKey);
}
const updateItems = copyInputItems(items, columns);
const updateSQL = `UPDATE ${table} SET ${columns
.map((column) => `${column} = ?`)
.join(',')} WHERE ${updateKey} = ?;`;
const queryQueue = updateItems.map(async (item) =>
connection.query(updateSQL, Object.values(item).concat(item[updateKey])),
);
const queryResult = await Promise.all(queryQueue);
returnItems = this.helpers.returnJsonArray(
queryResult.map((result) => result[0]) as unknown as IDataObject[],
);
} catch (error) {
if (this.continueOnFail()) {
returnItems = this.helpers.returnJsonArray({ error: error.message });
} else {
await connection.end();
throw error;
}
}
} else {
if (this.continueOnFail()) {
returnItems = this.helpers.returnJsonArray({
error: `The operation "${operation}" is not supported!`,
});
} else {
await connection.end();
throw new NodeOperationError(
this.getNode(),
`The operation "${operation}" is not supported!`,
);
}
}
await connection.end();
return this.prepareOutputData(returnItems);
}
}

32
packages/nodes-base/nodes/MySql/v2/MySqlV2.node.ts Normal file
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/* eslint-disable n8n-nodes-base/node-filename-against-convention */
import type {
INodeExecutionData,
INodeType,
INodeTypeBaseDescription,
INodeTypeDescription,
} from 'n8n-workflow';
import type { IExecuteFunctions } from 'n8n-core';
import { listSearch, credentialTest, loadOptions } from './methods';
import { versionDescription } from './actions/versionDescription';
import { router } from './actions/router';
export class MySqlV2 implements INodeType {
description: INodeTypeDescription;
constructor(baseDescription: INodeTypeBaseDescription) {
this.description = {
...baseDescription,
...versionDescription,
};
}
methods = { listSearch, loadOptions, credentialTest };
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
return router.call(this);
}
}

361
packages/nodes-base/nodes/MySql/v2/actions/common.descriptions.ts Normal file
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import type { INodeProperties } from 'n8n-workflow';
import { BATCH_MODE, SINGLE } from '../helpers/interfaces';
export const tableRLC: INodeProperties = {
displayName: 'Table',
name: 'table',
type: 'resourceLocator',
default: { mode: 'list', value: '' },
required: true,
description: 'The table you want to work on',
modes: [
{
displayName: 'From List',
name: 'list',
type: 'list',
placeholder: 'Select a Table...',
typeOptions: {
searchListMethod: 'searchTables',
searchable: true,
},
},
{
displayName: 'Name',
name: 'name',
type: 'string',
placeholder: 'table_name',
},
],
};
export const optionsCollection: INodeProperties = {
displayName: 'Options',
name: 'options',
type: 'collection',
default: {},
placeholder: 'Add Option',
options: [
{
displayName: 'Connection Timeout',
name: 'connectionTimeoutMillis',
type: 'number',
default: 30,
description: 'Number of milliseconds reserved for connecting to the database',
typeOptions: {
minValue: 1,
},
},
{
displayName: 'Connections Limit',
name: 'connectionLimit',
type: 'number',
default: 10,
typeOptions: {
minValue: 1,
},
description:
'Maximum amount of connections to the database, setting high value can lead to performance issues and potential database crashes',
},
{
displayName: 'Query Batching',
name: 'queryBatching',
type: 'options',
noDataExpression: true,
description: 'The way queries should be sent to the database',
options: [
{
name: 'Single Query',
value: BATCH_MODE.SINGLE,
description: 'A single query for all incoming items',
},
{
name: 'Independently',
value: BATCH_MODE.INDEPENDENTLY,
description: 'Execute one query per incoming item of the run',
},
{
name: 'Transaction',
value: BATCH_MODE.TRANSACTION,
description:
'Execute all queries in a transaction, if a failure occurs, all changes are rolled back',
},
],
default: SINGLE,
},
{
displayName: 'Query Parameters',
name: 'queryReplacement',
type: 'string',
default: '',
placeholder: 'e.g. value1,value2,value3',
description:
'Comma-separated list of the values you want to use as query parameters. You can drag the values from the input panel on the left. <a href="https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.mysql/">More info</a>',
hint: 'Comma-separated list of values: reference them in your query as $1, $2, $3…',
displayOptions: {
show: { '/operation': ['executeQuery'] },
},
},
{
// eslint-disable-next-line n8n-nodes-base/node-param-display-name-wrong-for-dynamic-multi-options
displayName: 'Output Columns',
name: 'outputColumns',
type: 'multiOptions',
description:
'Choose from the list, or specify IDs using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>',
typeOptions: {
loadOptionsMethod: 'getColumnsMultiOptions',
loadOptionsDependsOn: ['table.value'],
},
default: [],
displayOptions: {
show: { '/operation': ['select'] },
},
},
{
displayName: 'Output Large-Format Numbers As',
name: 'largeNumbersOutput',
type: 'options',
options: [
{
name: 'Numbers',
value: 'numbers',
},
{
name: 'Text',
value: 'text',
description:
'Use this if you expect numbers longer than 16 digits (otherwise numbers may be incorrect)',
},
],
hint: 'Applies to NUMERIC and BIGINT columns only',
default: 'text',
displayOptions: {
show: { '/operation': ['select', 'executeQuery'] },
},
},
{
displayName: 'Priority',
name: 'priority',
type: 'options',
options: [
{
name: 'Low Prioirity',
value: 'LOW_PRIORITY',
description:
'Delays execution of the INSERT until no other clients are reading from the table',
},
{
name: 'High Priority',
value: 'HIGH_PRIORITY',
description:
'Overrides the effect of the --low-priority-updates option if the server was started with that option. It also causes concurrent inserts not to be used.',
},
],
default: 'LOW_PRIORITY',
description: 'Ignore any ignorable errors that occur while executing the INSERT statement',
displayOptions: {
show: {
'/operation': ['insert'],
},
},
},
{
displayName: 'Replace Empty Strings with NULL',
name: 'replaceEmptyStrings',
type: 'boolean',
default: false,
description:
'Whether to replace empty strings with NULL in input, could be useful when data come from spreadsheet',
displayOptions: {
show: {
'/operation': ['insert', 'update', 'upsert', 'executeQuery'],
},
},
},
{
displayName: 'Select Distinct',
name: 'selectDistinct',
type: 'boolean',
default: false,
description: 'Whether to remove these duplicate rows',
displayOptions: {
show: {
'/operation': ['select'],
},
},
},
{
displayName: 'Output Query Execution Details',
name: 'detailedOutput',
type: 'boolean',
default: false,
description:
'Whether to show in output details of the ofexecuted query for each statement, or just confirmation of success',
},
{
displayName: 'Skip on Conflict',
name: 'skipOnConflict',
type: 'boolean',
default: false,
description:
'Whether to skip the row and do not throw error if a unique constraint or exclusion constraint is violated',
displayOptions: {
show: {
'/operation': ['insert'],
},
},
},
],
};
export const selectRowsFixedCollection: INodeProperties = {
displayName: 'Select Rows',
name: 'where',
type: 'fixedCollection',
typeOptions: {
multipleValues: true,
},
placeholder: 'Add Condition',
default: {},
description: 'If not set, all rows will be selected',
options: [
{
displayName: 'Values',
name: 'values',
values: [
{
// eslint-disable-next-line n8n-nodes-base/node-param-display-name-wrong-for-dynamic-options
displayName: 'Column',
name: 'column',
type: 'options',
description:
'Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>',
default: '',
placeholder: 'e.g. ID',
typeOptions: {
loadOptionsMethod: 'getColumns',
loadOptionsDependsOn: ['schema.value', 'table.value'],
},
},
{
displayName: 'Operator',
name: 'condition',
type: 'options',
description:
"The operator to check the column against. When using 'LIKE' operator percent sign ( %) matches zero or more characters, underscore ( _ ) matches any single character.",
// eslint-disable-next-line n8n-nodes-base/node-param-options-type-unsorted-items
options: [
{
name: 'Equal',
value: 'equal',
},
{
name: 'Not Equal',
value: '!=',
},
{
name: 'Like',
value: 'LIKE',
},
{
name: 'Greater Than',
value: '>',
},
{
name: 'Less Than',
value: '<',
},
{
name: 'Greater Than Or Equal',
value: '>=',
},
{
name: 'Less Than Or Equal',
value: '<=',
},
{
name: 'Is Null',
value: 'IS NULL',
},
],
default: 'equal',
},
{
displayName: 'Value',
name: 'value',
type: 'string',
default: '',
},
],
},
],
};
export const sortFixedCollection: INodeProperties = {
displayName: 'Sort',
name: 'sort',
type: 'fixedCollection',
typeOptions: {
multipleValues: true,
},
placeholder: 'Add Sort Rule',
default: {},
options: [
{
displayName: 'Values',
name: 'values',
values: [
{
// eslint-disable-next-line n8n-nodes-base/node-param-display-name-wrong-for-dynamic-options
displayName: 'Column',
name: 'column',
type: 'options',
description:
'Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>',
default: '',
typeOptions: {
loadOptionsMethod: 'getColumns',
loadOptionsDependsOn: ['schema.value', 'table.value'],
},
},
{
displayName: 'Direction',
name: 'direction',
type: 'options',
options: [
{
name: 'ASC',
value: 'ASC',
},
{
name: 'DESC',
value: 'DESC',
},
],
default: 'ASC',
},
],
},
],
};
export const combineConditionsCollection: INodeProperties = {
displayName: 'Combine Conditions',
name: 'combineConditions',
type: 'options',
description:
'How to combine the conditions defined in "Select Rows": AND requires all conditions to be true, OR requires at least one condition to be true',
options: [
{
name: 'AND',
value: 'AND',
description: 'Only rows that meet all the conditions are selected',
},
{
name: 'OR',
value: 'OR',
description: 'Rows that meet at least one condition are selected',
},
],
default: 'AND',
};

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import type { INodeProperties } from 'n8n-workflow';
import * as deleteTable from './deleteTable.operation';
import * as executeQuery from './executeQuery.operation';
import * as insert from './insert.operation';
import * as select from './select.operation';
import * as update from './update.operation';
import * as upsert from './upsert.operation';
import { tableRLC } from '../common.descriptions';
export { deleteTable, executeQuery, insert, select, update, upsert };
export const description: INodeProperties[] = [
{
displayName: 'Operation',
name: 'operation',
type: 'options',
noDataExpression: true,
options: [
{
name: 'Delete',
value: 'deleteTable',
description: 'Delete an entire table or rows in a table',
action: 'Delete table or rows',
},
{
name: 'Execute SQL',
value: 'executeQuery',
description: 'Execute an SQL query',
action: 'Execute a SQL query',
},
{
name: 'Insert',
value: 'insert',
description: 'Insert rows in a table',
action: 'Insert rows in a table',
},
{
// eslint-disable-next-line n8n-nodes-base/node-param-option-name-wrong-for-upsert
name: 'Insert or Update',
value: 'upsert',
// eslint-disable-next-line n8n-nodes-base/node-param-description-wrong-for-upsert
description: 'Insert or update rows in a table',
action: 'Insert or update rows in a table',
},
{
name: 'Select',
value: 'select',
description: 'Select rows from a table',
action: 'Select rows from a table',
},
{
name: 'Update',
value: 'update',
description: 'Update rows in a table',
action: 'Update rows in a table',
},
],
displayOptions: {
show: {
resource: ['database'],
},
},
default: 'insert',
},
{
...tableRLC,
displayOptions: { hide: { operation: ['executeQuery'] } },
},
...deleteTable.description,
...executeQuery.description,
...insert.description,
...select.description,
...update.description,
...upsert.description,
];

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import type { IExecuteFunctions } from 'n8n-core';
import type { IDataObject, INodeExecutionData, INodeProperties } from 'n8n-workflow';
import { NodeOperationError } from 'n8n-workflow';
import type {
QueryRunner,
QueryValues,
QueryWithValues,
WhereClause,
} from '../../helpers/interfaces';
import { updateDisplayOptions } from '../../../../../utils/utilities';
import { addWhereClauses } from '../../helpers/utils';
import {
optionsCollection,
selectRowsFixedCollection,
combineConditionsCollection,
} from '../common.descriptions';
const properties: INodeProperties[] = [
{
displayName: 'Command',
name: 'deleteCommand',
type: 'options',
default: 'truncate',
options: [
{
name: 'Truncate',
value: 'truncate',
description: "Only removes the table's data and preserves the table's structure",
},
{
name: 'Delete',
value: 'delete',
description:
"Delete the rows that match the 'Select Rows' conditions below. If no selection is made, all rows in the table are deleted.",
},
{
name: 'Drop',
value: 'drop',
description: "Deletes the table's data and also the table's structure permanently",
},
],
},
{
...selectRowsFixedCollection,
displayOptions: {
show: {
deleteCommand: ['delete'],
},
},
},
{
...combineConditionsCollection,
displayOptions: {
show: {
deleteCommand: ['delete'],
},
},
},
optionsCollection,
];
const displayOptions = {
show: {
resource: ['database'],
operation: ['deleteTable'],
},
hide: {
table: [''],
},
};
export const description = updateDisplayOptions(displayOptions, properties);
export async function execute(
this: IExecuteFunctions,
inputItems: INodeExecutionData[],
runQueries: QueryRunner,
): Promise<INodeExecutionData[]> {
let returnData: INodeExecutionData[] = [];
const queries: QueryWithValues[] = [];
for (let i = 0; i < inputItems.length; i++) {
const table = this.getNodeParameter('table', i, undefined, {
extractValue: true,
}) as string;
const deleteCommand = this.getNodeParameter('deleteCommand', i) as string;
let query = '';
let values: QueryValues = [];
if (deleteCommand === 'drop') {
query = `DROP TABLE IF EXISTS \`${table}\``;
}
if (deleteCommand === 'truncate') {
query = `TRUNCATE TABLE \`${table}\``;
}
if (deleteCommand === 'delete') {
const whereClauses =
((this.getNodeParameter('where', i, []) as IDataObject).values as WhereClause[]) || [];
const combineConditions = this.getNodeParameter('combineConditions', i, 'AND') as string;
[query, values] = addWhereClauses(
this.getNode(),
i,
`DELETE FROM \`${table}\``,
whereClauses,
values,
combineConditions,
);
}
if (query === '') {
throw new NodeOperationError(
this.getNode(),
'Invalid delete command, only drop, delete and truncate are supported ',
{ itemIndex: i },
);
}
const queryWithValues = { query, values };
queries.push(queryWithValues);
}
returnData = await runQueries(queries);
return returnData;
}

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import type { IExecuteFunctions } from 'n8n-core';
import type { IDataObject, INodeExecutionData, INodeProperties } from 'n8n-workflow';
import { NodeOperationError } from 'n8n-workflow';
import type { QueryRunner, QueryWithValues } from '../../helpers/interfaces';
import { updateDisplayOptions } from '../../../../../utils/utilities';
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.",
typeOptions: {
rows: 3,
},
hint: 'Prefer using query parameters over n8n expressions to avoid SQL injection attacks',
},
{
displayName: `
To use query parameters in your SQL query, reference them as $1, $2, $3, etc in the corresponding order. <a target="_blank" href="https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.mysql/">More info</a>.
`,
name: 'notice',
type: 'notice',
default: '',
},
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++) {
const rawQuery = this.getNodeParameter('query', i) as string;
const options = this.getNodeParameter('options', i, {});
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, values);
queries.push(preparedQuery);
}
returnData = await runQueries(queries);
return returnData;
}

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import type { IExecuteFunctions } from 'n8n-core';
import type { IDataObject, INodeExecutionData, INodeProperties } from 'n8n-workflow';
import type {
QueryMode,
QueryRunner,
QueryValues,
QueryWithValues,
} from '../../helpers/interfaces';
import { AUTO_MAP, BATCH_MODE, DATA_MODE } from '../../helpers/interfaces';
import { updateDisplayOptions } from '../../../../../utils/utilities';
import { copyInputItems, replaceEmptyStringsByNulls } from '../../helpers/utils';
import { optionsCollection } from '../common.descriptions';
const properties: INodeProperties[] = [
{
displayName: 'Data Mode',
name: 'dataMode',
type: 'options',
options: [
{
name: 'Auto-Map Input Data to Columns',
value: DATA_MODE.AUTO_MAP,
description: 'Use when node input properties names exactly match the table column names',
},
{
name: 'Map Each Column Manually',
value: DATA_MODE.MANUAL,
description: 'Set the value for each destination column manually',
},
],
default: AUTO_MAP,
description:
'Whether to map node input properties and the table data automatically or manually',
},
{
displayName: `
In this mode, make sure incoming data fields are named the same as the columns in your table. If needed, use a 'Set' node before this node to change the field names.
`,
name: 'notice',
type: 'notice',
default: '',
displayOptions: {
show: {
dataMode: [DATA_MODE.AUTO_MAP],
},
},
},
{
displayName: 'Values to Send',
name: 'valuesToSend',
placeholder: 'Add Value',
type: 'fixedCollection',
typeOptions: {
multipleValueButtonText: 'Add Value',
multipleValues: true,
},
displayOptions: {
show: {
dataMode: [DATA_MODE.MANUAL],
},
},
default: {},
options: [
{
displayName: 'Values',
name: 'values',
values: [
{
// eslint-disable-next-line n8n-nodes-base/node-param-display-name-wrong-for-dynamic-options
displayName: 'Column',
name: 'column',
type: 'options',
description:
'Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>',
typeOptions: {
loadOptionsMethod: 'getColumns',
loadOptionsDependsOn: ['table.value'],
},
default: [],
},
{
displayName: 'Value',
name: 'value',
type: 'string',
default: '',
},
],
},
],
},
optionsCollection,
];
const displayOptions = {
show: {
resource: ['database'],
operation: ['insert'],
},
hide: {
table: [''],
},
};
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 table = this.getNodeParameter('table', 0, '', { extractValue: true }) as string;
const dataMode = this.getNodeParameter('dataMode', 0) as string;
const queryBatching = (nodeOptions.queryBatching as QueryMode) || BATCH_MODE.SINGLE;
const queries: QueryWithValues[] = [];
if (queryBatching === BATCH_MODE.SINGLE) {
let columns: string[] = [];
let insertItems: IDataObject[] = [];
const priority = (nodeOptions.priority as string) || '';
const ignore = (nodeOptions.skipOnConflict as boolean) ? 'IGNORE' : '';
if (dataMode === DATA_MODE.AUTO_MAP) {
columns = [
...new Set(
items.reduce((acc, item) => {
const itemColumns = Object.keys(item.json);
return acc.concat(itemColumns);
}, [] as string[]),
),
];
insertItems = copyInputItems(items, columns);
}
if (dataMode === DATA_MODE.MANUAL) {
for (let i = 0; i < items.length; i++) {
const valuesToSend = (this.getNodeParameter('valuesToSend', i, []) as IDataObject)
.values as IDataObject[];
const item = valuesToSend.reduce((acc, { column, value }) => {
acc[column as string] = value;
return acc;
}, {} as IDataObject);
insertItems.push(item);
}
columns = [
...new Set(
insertItems.reduce((acc, item) => {
const itemColumns = Object.keys(item);
return acc.concat(itemColumns);
}, [] as string[]),
),
];
}
const escapedColumns = columns.map((column) => `\`${column}\``).join(', ');
const placeholder = `(${columns.map(() => '?').join(',')})`;
const replacements = items.map(() => placeholder).join(',');
const query = `INSERT ${priority} ${ignore} INTO \`${table}\` (${escapedColumns}) VALUES ${replacements}`;
const values = insertItems.reduce(
(acc: IDataObject[], item) => acc.concat(Object.values(item) as IDataObject[]),
[],
);
queries.push({ query, values });
} else {
for (let i = 0; i < items.length; i++) {
let columns: string[] = [];
let insertItem: IDataObject = {};
const options = this.getNodeParameter('options', i);
const priority = (options.priority as string) || '';
const ignore = (options.skipOnConflict as boolean) ? 'IGNORE' : '';
if (dataMode === DATA_MODE.AUTO_MAP) {
columns = Object.keys(items[i].json);
insertItem = columns.reduce((acc, key) => {
if (columns.includes(key)) {
acc[key] = items[i].json[key];
}
return acc;
}, {} as IDataObject);
}
if (dataMode === DATA_MODE.MANUAL) {
const valuesToSend = (this.getNodeParameter('valuesToSend', i, []) as IDataObject)
.values as IDataObject[];
insertItem = valuesToSend.reduce((acc, { column, value }) => {
acc[column as string] = value;
return acc;
}, {} as IDataObject);
columns = Object.keys(insertItem);
}
const escapedColumns = columns.map((column) => `\`${column}\``).join(', ');
const placeholder = `(${columns.map(() => '?').join(',')})`;
const query = `INSERT ${priority} ${ignore} INTO \`${table}\` (${escapedColumns}) VALUES ${placeholder};`;
const values = Object.values(insertItem) as QueryValues;
queries.push({ query, values });
}
}
returnData = await runQueries(queries);
return returnData;
}

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import type { IExecuteFunctions } from 'n8n-core';
import type { IDataObject, INodeExecutionData, INodeProperties } from 'n8n-workflow';
import type {
QueryRunner,
QueryValues,
QueryWithValues,
SortRule,
WhereClause,
} from '../../helpers/interfaces';
import { updateDisplayOptions } from '../../../../../utils/utilities';
import { addSortRules, addWhereClauses } from '../../helpers/utils';
import {
optionsCollection,
sortFixedCollection,
selectRowsFixedCollection,
combineConditionsCollection,
} from '../common.descriptions';
const properties: INodeProperties[] = [
{
displayName: 'Return All',
name: 'returnAll',
type: 'boolean',
default: false,
description: 'Whether to return all results or only up to a given limit',
displayOptions: {
show: {
resource: ['event'],
operation: ['getAll'],
},
},
},
{
displayName: 'Limit',
name: 'limit',
type: 'number',
default: 50,
description: 'Max number of results to return',
typeOptions: {
minValue: 1,
},
displayOptions: {
show: {
returnAll: [false],
},
},
},
selectRowsFixedCollection,
combineConditionsCollection,
sortFixedCollection,
optionsCollection,
];
const displayOptions = {
show: {
resource: ['database'],
operation: ['select'],
},
hide: {
table: [''],
},
};
export const description = updateDisplayOptions(displayOptions, properties);
export async function execute(
this: IExecuteFunctions,
inputItems: INodeExecutionData[],
runQueries: QueryRunner,
): Promise<INodeExecutionData[]> {
let returnData: INodeExecutionData[] = [];
const queries: QueryWithValues[] = [];
for (let i = 0; i < inputItems.length; i++) {
const table = this.getNodeParameter('table', i, undefined, {
extractValue: true,
}) as string;
const outputColumns = this.getNodeParameter('options.outputColumns', i, ['*']) as string[];
const selectDistinct = this.getNodeParameter('options.selectDistinct', i, false) as boolean;
let query = '';
const SELECT = selectDistinct ? 'SELECT DISTINCT' : 'SELECT';
if (outputColumns.includes('*')) {
query = `${SELECT} * FROM \`${table}\``;
} else {
const escapedColumns = outputColumns.map((column) => `\`${column}\``).join(', ');
query = `${SELECT} ${escapedColumns} FROM \`${table}\``;
}
let values: QueryValues = [];
const whereClauses =
((this.getNodeParameter('where', i, []) as IDataObject).values as WhereClause[]) || [];
const combineConditions = this.getNodeParameter('combineConditions', i, 'AND') as string;
[query, values] = addWhereClauses(
this.getNode(),
i,
query,
whereClauses,
values,
combineConditions,
);
const sortRules =
((this.getNodeParameter('sort', i, []) as IDataObject).values as SortRule[]) || [];
[query, values] = addSortRules(query, sortRules, values);
const returnAll = this.getNodeParameter('returnAll', i, false);
if (!returnAll) {
const limit = this.getNodeParameter('limit', i, 50);
query += ' LIMIT ?';
values.push(limit);
}
queries.push({ query, values });
}
returnData = await runQueries(queries);
return returnData;
}

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import type { IExecuteFunctions } from 'n8n-core';
import type { IDataObject, INodeExecutionData, INodeProperties } from 'n8n-workflow';
import type { QueryRunner, QueryValues, QueryWithValues } from '../../helpers/interfaces';
import { AUTO_MAP, DATA_MODE } from '../../helpers/interfaces';
import { updateDisplayOptions } from '../../../../../utils/utilities';
import { replaceEmptyStringsByNulls } from '../../helpers/utils';
import { optionsCollection } from '../common.descriptions';
const properties: INodeProperties[] = [
{
displayName: 'Data Mode',
name: 'dataMode',
type: 'options',
options: [
{
name: 'Auto-Map Input Data to Columns',
value: DATA_MODE.AUTO_MAP,
description: 'Use when node input properties names exactly match the table column names',
},
{
name: 'Map Each Column Below',
value: DATA_MODE.MANUAL,
description: 'Set the value for each destination column manually',
},
],
default: AUTO_MAP,
description:
'Whether to map node input properties and the table data automatically or manually',
},
{
displayName: `
In this mode, make sure incoming data fields are named the same as the columns in your table. If needed, use a 'Set' node before this node to change the field names.
`,
name: 'notice',
type: 'notice',
default: '',
displayOptions: {
show: {
dataMode: [DATA_MODE.AUTO_MAP],
},
},
},
{
// eslint-disable-next-line n8n-nodes-base/node-param-display-name-miscased, n8n-nodes-base/node-param-display-name-wrong-for-dynamic-options
displayName: 'Column to Match On',
name: 'columnToMatchOn',
type: 'options',
required: true,
description:
'Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>',
typeOptions: {
loadOptionsMethod: 'getColumns',
loadOptionsDependsOn: ['schema.value', 'table.value'],
},
default: '',
hint: "Used to find the correct row to update. Doesn't get changed.",
},
{
displayName: 'Value of Column to Match On',
name: 'valueToMatchOn',
type: 'string',
default: '',
description:
'Rows with a value in the specified "Column to Match On" that corresponds to the value in this field will be updated',
displayOptions: {
show: {
dataMode: [DATA_MODE.MANUAL],
},
},
},
{
displayName: 'Values to Send',
name: 'valuesToSend',
placeholder: 'Add Value',
type: 'fixedCollection',
typeOptions: {
multipleValueButtonText: 'Add Value',
multipleValues: true,
},
displayOptions: {
show: {
dataMode: [DATA_MODE.MANUAL],
},
},
default: {},
options: [
{
displayName: 'Values',
name: 'values',
values: [
{
// eslint-disable-next-line n8n-nodes-base/node-param-display-name-wrong-for-dynamic-options
displayName: 'Column',
name: 'column',
type: 'options',
description:
'Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>',
typeOptions: {
loadOptionsMethod: 'getColumnsWithoutColumnToMatchOn',
loadOptionsDependsOn: ['schema.value', 'table.value'],
},
default: [],
},
{
displayName: 'Value',
name: 'value',
type: 'string',
default: '',
},
],
},
],
},
optionsCollection,
];
const displayOptions = {
show: {
resource: ['database'],
operation: ['update'],
},
hide: {
table: [''],
},
};
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++) {
const table = this.getNodeParameter('table', i, undefined, {
extractValue: true,
}) as string;
const columnToMatchOn = this.getNodeParameter('columnToMatchOn', i) as string;
const dataMode = this.getNodeParameter('dataMode', i) as string;
let item: IDataObject = {};
let valueToMatchOn: string | IDataObject = '';
if (dataMode === DATA_MODE.AUTO_MAP) {
item = items[i].json;
valueToMatchOn = item[columnToMatchOn] as string;
}
if (dataMode === DATA_MODE.MANUAL) {
const valuesToSend = (this.getNodeParameter('valuesToSend', i, []) as IDataObject)
.values as IDataObject[];
item = valuesToSend.reduce((acc, { column, value }) => {
acc[column as string] = value;
return acc;
}, {} as IDataObject);
valueToMatchOn = this.getNodeParameter('valueToMatchOn', i) as string;
}
const values: QueryValues = [];
const updateColumns = Object.keys(item).filter((column) => column !== columnToMatchOn);
const updates: string[] = [];
for (const column of updateColumns) {
updates.push(`\`${column}\` = ?`);
values.push(item[column] as string);
}
const condition = `\`${columnToMatchOn}\` = ?`;
values.push(valueToMatchOn);
const query = `UPDATE \`${table}\` SET ${updates.join(', ')} WHERE ${condition}`;
queries.push({ query, values });
}
returnData = await runQueries(queries);
return returnData;
}

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import type { IExecuteFunctions } from 'n8n-core';
import type { IDataObject, INodeExecutionData, INodeProperties } from 'n8n-workflow';
import type { QueryRunner, QueryValues, QueryWithValues } from '../../helpers/interfaces';
import { AUTO_MAP, DATA_MODE } from '../../helpers/interfaces';
import { updateDisplayOptions } from '../../../../../utils/utilities';
import { replaceEmptyStringsByNulls } from '../../helpers/utils';
import { optionsCollection } from '../common.descriptions';
const properties: INodeProperties[] = [
{
displayName: 'Data Mode',
name: 'dataMode',
type: 'options',
options: [
{
name: 'Auto-Map Input Data to Columns',
value: DATA_MODE.AUTO_MAP,
description: 'Use when node input properties names exactly match the table column names',
},
{
name: 'Map Each Column Below',
value: DATA_MODE.MANUAL,
description: 'Set the value for each destination column manually',
},
],
default: AUTO_MAP,
description:
'Whether to map node input properties and the table data automatically or manually',
},
{
displayName: `
In this mode, make sure incoming data fields are named the same as the columns in your table. If needed, use a 'Set' node before this node to change the field names.
`,
name: 'notice',
type: 'notice',
default: '',
displayOptions: {
show: {
dataMode: [DATA_MODE.AUTO_MAP],
},
},
},
{
// eslint-disable-next-line n8n-nodes-base/node-param-display-name-miscased, n8n-nodes-base/node-param-display-name-wrong-for-dynamic-options
displayName: 'Column to Match On',
name: 'columnToMatchOn',
type: 'options',
required: true,
description:
'The column to compare when finding the rows to update. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>.',
typeOptions: {
loadOptionsMethod: 'getColumns',
loadOptionsDependsOn: ['schema.value', 'table.value'],
},
default: '',
hint: "Used to find the correct row to update. Doesn't get changed. Has to be unique.",
},
{
displayName: 'Value of Column to Match On',
name: 'valueToMatchOn',
type: 'string',
default: '',
description:
'Rows with a value in the specified "Column to Match On" that corresponds to the value in this field will be updated. New rows will be created for non-matching items.',
displayOptions: {
show: {
dataMode: [DATA_MODE.MANUAL],
},
},
},
{
displayName: 'Values to Send',
name: 'valuesToSend',
placeholder: 'Add Value',
type: 'fixedCollection',
typeOptions: {
multipleValueButtonText: 'Add Value',
multipleValues: true,
},
displayOptions: {
show: {
dataMode: [DATA_MODE.MANUAL],
},
},
default: {},
options: [
{
displayName: 'Values',
name: 'values',
values: [
{
// eslint-disable-next-line n8n-nodes-base/node-param-display-name-wrong-for-dynamic-options
displayName: 'Column',
name: 'column',
type: 'options',
description:
'Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>',
typeOptions: {
loadOptionsMethod: 'getColumnsWithoutColumnToMatchOn',
loadOptionsDependsOn: ['schema.value', 'table.value'],
},
default: [],
},
{
displayName: 'Value',
name: 'value',
type: 'string',
default: '',
},
],
},
],
},
optionsCollection,
];
const displayOptions = {
show: {
resource: ['database'],
operation: ['upsert'],
},
hide: {
table: [''],
},
};
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++) {
const table = this.getNodeParameter('table', i, undefined, {
extractValue: true,
}) as string;
const columnToMatchOn = this.getNodeParameter('columnToMatchOn', i) as string;
const dataMode = this.getNodeParameter('dataMode', i) as string;
let item: IDataObject = {};
if (dataMode === DATA_MODE.AUTO_MAP) {
item = items[i].json;
}
if (dataMode === DATA_MODE.MANUAL) {
const valuesToSend = (this.getNodeParameter('valuesToSend', i, []) as IDataObject)
.values as IDataObject[];
item = valuesToSend.reduce((acc, { column, value }) => {
acc[column as string] = value;
return acc;
}, {} as IDataObject);
item[columnToMatchOn] = this.getNodeParameter('valueToMatchOn', i) as string;
}
const onConflict = 'ON DUPLICATE KEY UPDATE';
const columns = Object.keys(item);
const escapedColumns = columns.map((column) => `\`${column}\``).join(', ');
const placeholder = `${columns.map(() => '?').join(',')}`;
const insertQuery = `INSERT INTO \`${table}\`(${escapedColumns}) VALUES(${placeholder})`;
const values = Object.values(item) as QueryValues;
const updateColumns = Object.keys(item).filter((column) => column !== columnToMatchOn);
const updates: string[] = [];
for (const column of updateColumns) {
updates.push(`\`${column}\` = ?`);
values.push(item[column] as string);
}
const query = `${insertQuery} ${onConflict} ${updates.join(', ')}`;
queries.push({ query, values });
}
returnData = await runQueries(queries);
return returnData;
}

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import type { AllEntities, Entity } from 'n8n-workflow';
type MySQLMap = {
database: 'deleteTable' | 'executeQuery' | 'insert' | 'select' | 'update' | 'upsert';
};
export type MySqlType = AllEntities<MySQLMap>;
export type MySQLDatabaseType = Entity<MySQLMap, 'database'>;

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import type { INodeExecutionData } from 'n8n-workflow';
import { NodeOperationError } from 'n8n-workflow';
import type { IExecuteFunctions } from 'n8n-core';
import { Client } from 'ssh2';
import type { MySqlType } from './node.type';
import type { QueryRunner } from '../helpers/interfaces';
import * as database from './database/Database.resource';
import { createPool } from '../transport';
import { configureQueryRunner } from '../helpers/utils';
export async function router(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
let returnData: INodeExecutionData[] = [];
const resource = this.getNodeParameter<MySqlType>('resource', 0);
const operation = this.getNodeParameter('operation', 0);
const nodeOptions = this.getNodeParameter('options', 0);
const credentials = await this.getCredentials('mySql');
let sshClient: Client | undefined = undefined;
if (credentials.sshTunnel) {
sshClient = new Client();
}
const pool = await createPool(credentials, nodeOptions, sshClient);
const runQueries: QueryRunner = configureQueryRunner.call(this, nodeOptions, pool);
const mysqlNodeData = {
resource,
operation,
} as MySqlType;
try {
switch (mysqlNodeData.resource) {
case 'database':
const items = this.getInputData();
returnData = await database[mysqlNodeData.operation].execute.call(
this,
items,
runQueries,
nodeOptions,
);
break;
default:
throw new NodeOperationError(
this.getNode(),
`The operation "${operation}" is not supported!`,
);
}
} catch (error) {
throw error;
} finally {
if (sshClient) {
sshClient.end();
}
await pool.end();
}
return this.prepareOutputData(returnData);
}

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/* eslint-disable n8n-nodes-base/node-filename-against-convention */
import type { INodeTypeDescription } from 'n8n-workflow';
import * as database from './database/Database.resource';
export const versionDescription: INodeTypeDescription = {
displayName: 'MySQL',
name: 'mySql',
icon: 'file:mysql.svg',
group: ['input'],
version: 2,
subtitle: '={{ $parameter["operation"] }}',
description: 'Get, add and update data in MySQL',
defaults: {
name: 'MySQL',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'mySql',
required: true,
testedBy: 'mysqlConnectionTest',
},
],
properties: [
{
displayName: 'Resource',
name: 'resource',
type: 'hidden',
noDataExpression: true,
options: [
{
name: 'Database',
value: 'database',
},
],
default: 'database',
},
...database.description,
],
};

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import type mysql2 from 'mysql2/promise';
import type { IDataObject, INodeExecutionData } from 'n8n-workflow';
export type Mysql2Connection = mysql2.Connection;
export type Mysql2Pool = mysql2.Pool;
export type Mysql2OkPacket = mysql2.OkPacket;
export type QueryValues = Array<string | number | IDataObject>;
export type QueryWithValues = { query: string; values: QueryValues };
export type QueryRunner = (queries: QueryWithValues[]) => Promise<INodeExecutionData[]>;
export type WhereClause = { column: string; condition: string; value: string | number };
export type SortRule = { column: string; direction: string };
export const AUTO_MAP = 'autoMapInputData';
const MANUAL = 'defineBelow';
export const DATA_MODE = {
AUTO_MAP,
MANUAL,
};
export const SINGLE = 'single';
const TRANSACTION = 'transaction';
const INDEPENDENTLY = 'independently';
export const BATCH_MODE = { SINGLE, TRANSACTION, INDEPENDENTLY };
export type QueryMode = typeof SINGLE | typeof TRANSACTION | typeof INDEPENDENTLY;

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import type {
IDataObject,
IExecuteFunctions,
INode,
INodeExecutionData,
IPairedItemData,
NodeExecutionWithMetadata,
} from 'n8n-workflow';
import { NodeOperationError, deepCopy } from 'n8n-workflow';
import type {
Mysql2Pool,
QueryMode,
QueryValues,
QueryWithValues,
SortRule,
WhereClause,
} from './interfaces';
import { BATCH_MODE } from './interfaces';
export function copyInputItems(items: INodeExecutionData[], properties: string[]): IDataObject[] {
// Prepare the data to insert and copy it to be returned
let newItem: IDataObject;
return items.map((item) => {
newItem = {};
for (const property of properties) {
if (item.json[property] === undefined) {
newItem[property] = null;
} else {
newItem[property] = deepCopy(item.json[property]);
}
}
return newItem;
});
}
export const prepareQueryAndReplacements = (rawQuery: string, replacements?: QueryValues) => {
if (replacements === undefined) {
return { query: rawQuery, values: [] };
}
// in UI for replacements we use syntax identical to Postgres Query Replacement, but we need to convert it to mysql2 replacement syntax
let query: string = rawQuery;
const values: QueryValues = [];
const regex = /\$(\d+)(?::name)?/g;
const matches = rawQuery.match(regex) || [];
for (const match of matches) {
if (match.includes(':name')) {
const matchIndex = Number(match.replace('$', '').replace(':name', '')) - 1;
query = query.replace(match, `\`${replacements[matchIndex]}\``);
} else {
const matchIndex = Number(match.replace('$', '')) - 1;
query = query.replace(match, '?');
values.push(replacements[matchIndex]);
}
}
return { query, values };
};
export function prepareErrorItem(
item: IDataObject,
error: IDataObject | NodeOperationError | Error,
index: number,
) {
return {
json: { message: error.message, item: { ...item }, itemIndex: index, error: { ...error } },
pairedItem: { item: index },
} as INodeExecutionData;
}
export function parseMySqlError(
this: IExecuteFunctions,
error: any,
itemIndex = 0,
queries?: string[],
) {
let message: string = error.message;
const description = `sql: ${error.sql}, code: ${error.code}`;
if (
queries?.length &&
(message || '').toLowerCase().includes('you have an error in your sql syntax')
) {
let queryIndex = itemIndex;
const failedStatement = ((message.split("near '")[1] || '').split("' at")[0] || '').split(
';',
)[0];
if (failedStatement) {
if (queryIndex === 0 && queries.length > 1) {
const failedQueryIndex = queries.findIndex((query) => query.includes(failedStatement));
if (failedQueryIndex !== -1) {
queryIndex = failedQueryIndex;
}
}
const lines = queries[queryIndex].split('\n');
const failedLine = lines.findIndex((line) => line.includes(failedStatement));
if (failedLine !== -1) {
message = `You have an error in your SQL syntax on line ${
failedLine + 1
} near '${failedStatement}'`;
}
}
}
if ((error?.message as string).includes('ECONNREFUSED')) {
message = 'Connection refused';
}
return new NodeOperationError(this.getNode(), error as Error, {
message,
description,
itemIndex,
});
}
export function wrapData(data: IDataObject | IDataObject[]): INodeExecutionData[] {
if (!Array.isArray(data)) {
return [{ json: data }];
}
return data.map((item) => ({
json: item,
}));
}
export function prepareOutput(
response: IDataObject[],
options: IDataObject,
statements: string[],
constructExecutionHelper: (
inputData: INodeExecutionData[],
options: {
itemData: IPairedItemData | IPairedItemData[];
},
) => NodeExecutionWithMetadata[],
) {
const returnData: INodeExecutionData[] = [];
if (options.detailedOutput) {
response.forEach((entry, index) => {
const item = {
sql: statements[index],
data: entry,
};
const executionData = constructExecutionHelper(wrapData(item), {
itemData: { item: index },
});
returnData.push(...executionData);
});
} else {
response
.filter((entry) => Array.isArray(entry))
.forEach((entry, index) => {
const executionData = constructExecutionHelper(wrapData(entry), {
itemData: { item: index },
});
returnData.push(...executionData);
});
}
if (!returnData.length) {
returnData.push({ json: { success: true } });
}
return returnData;
}
export function configureQueryRunner(
this: IExecuteFunctions,
options: IDataObject,
pool: Mysql2Pool,
) {
return async (queries: QueryWithValues[]) => {
if (queries.length === 0) {
return [];
}
const returnData: INodeExecutionData[] = [];
const mode = (options.queryBatching as QueryMode) || BATCH_MODE.SINGLE;
const connection = await pool.getConnection();
if (mode === BATCH_MODE.SINGLE) {
const formatedQueries = queries.map(({ query, values }) => connection.format(query, values));
try {
//releasing connection after formating queries, otherwise pool.query() will fail with timeout
connection.release();
let singleQuery = '';
if (formatedQueries.length > 1) {
singleQuery = formatedQueries.map((query) => query.trim().replace(/;$/, '')).join(';');
} else {
singleQuery = formatedQueries[0];
}
let response: IDataObject | IDataObject[] = (
await pool.query(singleQuery)
)[0] as unknown as IDataObject;
if (!response) return [];
const statements = singleQuery
.replace(/\n/g, '')
.split(';')
.filter((statement) => statement !== '');
if (Array.isArray(response)) {
if (statements.length === 1) response = [response];
} else {
response = [response];
}
returnData.push(
...prepareOutput(response, options, statements, this.helpers.constructExecutionMetaData),
);
} catch (err) {
const error = parseMySqlError.call(this, err, 0, formatedQueries);
if (!this.continueOnFail()) throw error;
returnData.push({ json: { message: error.message, error: { ...error } } });
}
} else {
if (mode === BATCH_MODE.INDEPENDENTLY) {
let formatedQuery = '';
for (const [index, queryWithValues] of queries.entries()) {
try {
const { query, values } = queryWithValues;
formatedQuery = connection.format(query, values);
const statements = formatedQuery.split(';').map((q) => q.trim());
const responses: IDataObject[] = [];
for (const statement of statements) {
if (statement === '') continue;
const response = (await connection.query(statement))[0] as unknown as IDataObject;
responses.push(response);
}
returnData.push(
...prepareOutput(
responses,
options,
statements,
this.helpers.constructExecutionMetaData,
),
);
} catch (err) {
const error = parseMySqlError.call(this, err, index, [formatedQuery]);
if (!this.continueOnFail()) {
connection.release();
throw error;
}
returnData.push(prepareErrorItem(queries[index], error as Error, index));
}
}
}
if (mode === BATCH_MODE.TRANSACTION) {
await connection.beginTransaction();
let formatedQuery = '';
for (const [index, queryWithValues] of queries.entries()) {
try {
const { query, values } = queryWithValues;
formatedQuery = connection.format(query, values);
const statements = formatedQuery.split(';').map((q) => q.trim());
const responses: IDataObject[] = [];
for (const statement of statements) {
if (statement === '') continue;
const response = (await connection.query(statement))[0] as unknown as IDataObject;
responses.push(response);
}
returnData.push(
...prepareOutput(
responses,
options,
statements,
this.helpers.constructExecutionMetaData,
),
);
} catch (err) {
const error = parseMySqlError.call(this, err, index, [formatedQuery]);
if (connection) {
await connection.rollback();
connection.release();
}
if (!this.continueOnFail()) throw error;
returnData.push(prepareErrorItem(queries[index], error as Error, index));
// Return here because we already rolled back the transaction
return returnData;
}
}
await connection.commit();
}
connection.release();
}
return returnData;
};
}
export function addWhereClauses(
node: INode,
itemIndex: number,
query: string,
clauses: WhereClause[],
replacements: QueryValues,
combineConditions?: string,
): [string, QueryValues] {
if (clauses.length === 0) return [query, replacements];
let combineWith = 'AND';
if (combineConditions === 'OR') {
combineWith = 'OR';
}
let whereQuery = ' WHERE';
const values: QueryValues = [];
clauses.forEach((clause, index) => {
if (clause.condition === 'equal') {
clause.condition = '=';
}
if (['>', '<', '>=', '<='].includes(clause.condition)) {
const value = Number(clause.value);
if (Number.isNaN(value)) {
throw new NodeOperationError(
node,
`Operator in entry ${index + 1} of 'Select Rows' works with numbers, but value ${
clause.value
} is not a number`,
{
itemIndex,
},
);
}
clause.value = value;
}
let valueReplacement = ' ';
if (clause.condition !== 'IS NULL') {
valueReplacement = ' ?';
values.push(clause.value);
}
const operator = index === clauses.length - 1 ? '' : ` ${combineWith}`;
whereQuery += ` \`${clause.column}\` ${clause.condition}${valueReplacement}${operator}`;
});
return [`${query}${whereQuery}`, replacements.concat(...values)];
}
export function addSortRules(
query: string,
rules: SortRule[],
replacements: QueryValues,
): [string, QueryValues] {
if (rules.length === 0) return [query, replacements];
let orderByQuery = ' ORDER BY';
const values: string[] = [];
rules.forEach((rule, index) => {
const endWith = index === rules.length - 1 ? '' : ',';
orderByQuery += ` \`${rule.column}\` ${rule.direction}${endWith}`;
});
return [`${query}${orderByQuery}`, replacements.concat(...values)];
}
export function replaceEmptyStringsByNulls(
items: INodeExecutionData[],
replace?: boolean,
): INodeExecutionData[] {
if (!replace) return [...items];
const returnData: INodeExecutionData[] = items.map((item) => {
const newItem = { ...item };
const keys = Object.keys(newItem.json);
for (const key of keys) {
if (newItem.json[key] === '') {
newItem.json[key] = null;
}
}
return newItem;
});
return returnData;
}

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import type {
ICredentialDataDecryptedObject,
ICredentialsDecrypted,
ICredentialTestFunctions,
INodeCredentialTestResult,
} from 'n8n-workflow';
import { createPool } from '../transport';
import { Client } from 'ssh2';
export async function mysqlConnectionTest(
this: ICredentialTestFunctions,
credential: ICredentialsDecrypted,
): Promise<INodeCredentialTestResult> {
const credentials = credential.data as ICredentialDataDecryptedObject;
let sshClient: Client | undefined = undefined;
if (credentials.sshTunnel) {
sshClient = new Client();
}
const pool = await createPool(credentials, {}, sshClient);
try {
const connection = await pool.getConnection();
connection.release();
} catch (error) {
return {
status: 'Error',
message: error.message,
};
} finally {
if (sshClient) {
sshClient.end();
}
await pool.end();
}
return {
status: 'OK',
message: 'Connection successful!',
};
}

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packages/nodes-base/nodes/MySql/v2/methods/index.ts Normal file
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export * as credentialTest from './credentialTest';
export * as listSearch from './listSearch';
export * as loadOptions from './loadOptions';

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import type { IDataObject, ILoadOptionsFunctions, INodeListSearchResult } from 'n8n-workflow';
import { createPool } from '../transport';
import { Client } from 'ssh2';
export async function searchTables(this: ILoadOptionsFunctions): Promise<INodeListSearchResult> {
const credentials = await this.getCredentials('mySql');
const nodeOptions = this.getNodeParameter('options', 0) as IDataObject;
let sshClient: Client | undefined = undefined;
if (credentials.sshTunnel) {
sshClient = new Client();
}
const pool = await createPool(credentials, nodeOptions, sshClient);
try {
const connection = await pool.getConnection();
const query = 'SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE table_schema = ?';
const values = [credentials.database as string];
const formatedQuery = connection.format(query, values);
const response = (await connection.query(formatedQuery))[0];
connection.release();
const results = (response as IDataObject[]).map((table) => ({
name: (table.table_name as string) || (table.TABLE_NAME as string),
value: (table.table_name as string) || (table.TABLE_NAME as string),
}));
return { results };
} catch (error) {
throw error;
} finally {
if (sshClient) {
sshClient.end();
}
await pool.end();
}
}

64
packages/nodes-base/nodes/MySql/v2/methods/loadOptions.ts Normal file
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@ -0,0 +1,64 @@
import type { IDataObject, ILoadOptionsFunctions, INodePropertyOptions } from 'n8n-workflow';
import { createPool } from '../transport';
import { Client } from 'ssh2';
export async function getColumns(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
const credentials = await this.getCredentials('mySql');
const nodeOptions = this.getNodeParameter('options', 0) as IDataObject;
let sshClient: Client | undefined = undefined;
if (credentials.sshTunnel) {
sshClient = new Client();
}
const pool = await createPool(credentials, nodeOptions, sshClient);
try {
const connection = await pool.getConnection();
const table = this.getNodeParameter('table', 0, {
extractValue: true,
}) as string;
const columns = (
await connection.query(
`SHOW COLUMNS FROM \`${table}\` FROM \`${credentials.database as string}\``,
)
)[0] as IDataObject[];
connection.release();
return (columns || []).map((column: IDataObject) => ({
name: column.Field as string,
value: column.Field as string,
// eslint-disable-next-line n8n-nodes-base/node-param-description-lowercase-first-char
description: `type: ${(column.Type as string).toUpperCase()}, nullable: ${
column.Null as string
}`,
}));
} catch (error) {
throw error;
} finally {
if (sshClient) {
sshClient.end();
}
await pool.end();
}
}
export async function getColumnsMultiOptions(
this: ILoadOptionsFunctions,
): Promise<INodePropertyOptions[]> {
const returnData = await getColumns.call(this);
const returnAll = { name: '*', value: '*', description: 'All columns' };
return [returnAll, ...returnData];
}
export async function getColumnsWithoutColumnToMatchOn(
this: ILoadOptionsFunctions,
): Promise<INodePropertyOptions[]> {
const columnToMatchOn = this.getNodeParameter('columnToMatchOn') as string;
const returnData = await getColumns.call(this);
return returnData.filter((column) => column.value !== columnToMatchOn);
}

139
packages/nodes-base/nodes/MySql/v2/transport/index.ts Normal file
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@ -0,0 +1,139 @@
import type { ICredentialDataDecryptedObject, IDataObject } from 'n8n-workflow';
import mysql2 from 'mysql2/promise';
import type { Client, ConnectConfig } from 'ssh2';
import { rm, writeFile } from 'fs/promises';
import { file } from 'tmp-promise';
import type { Mysql2Pool } from '../helpers/interfaces';
async function createSshConnectConfig(credentials: IDataObject) {
if (credentials.sshAuthenticateWith === 'password') {
return {
host: credentials.sshHost as string,
port: credentials.sshPort as number,
username: credentials.sshUser as string,
password: credentials.sshPassword as string,
} as ConnectConfig;
} else {
const { path } = await file({ prefix: 'n8n-ssh-' });
await writeFile(path, credentials.privateKey as string);
const options: ConnectConfig = {
host: credentials.host as string,
username: credentials.username as string,
port: credentials.port as number,
privateKey: path,
};
if (credentials.passphrase) {
options.passphrase = credentials.passphrase as string;
}
return options;
}
}
export async function createPool(
credentials: ICredentialDataDecryptedObject,
options?: IDataObject,
sshClient?: Client,
): Promise<Mysql2Pool> {
if (credentials === undefined) {
throw new Error('Credentials not selected, select or add new credentials');
}
const {
ssl,
caCertificate,
clientCertificate,
clientPrivateKey,
sshTunnel,
sshHost,
sshUser,
sshPassword,
sshPort,
sshMysqlPort,
privateKey,
passphrase,
sshAuthenticateWith,
...baseCredentials
} = credentials;
if (ssl) {
baseCredentials.ssl = {};
if (caCertificate) {
baseCredentials.ssl.ca = caCertificate;
}
if (clientCertificate || clientPrivateKey) {
baseCredentials.ssl.cert = clientCertificate;
baseCredentials.ssl.key = clientPrivateKey;
}
}
const connectionOptions: mysql2.ConnectionOptions = {
...baseCredentials,
multipleStatements: true,
supportBigNumbers: true,
};
if (options?.connectionLimit) {
connectionOptions.connectionLimit = options.connectionLimit as number;
}
if (options?.connectTimeout) {
connectionOptions.connectTimeout = options.connectTimeout as number;
}
if (options?.largeNumbersOutput === 'text') {
connectionOptions.bigNumberStrings = true;
}
if (!sshTunnel) {
return mysql2.createPool(connectionOptions);
} else {
if (!sshClient) {
throw new Error('SSH Tunnel is enabled but no SSH Client was provided');
}
const tunnelConfig = await createSshConnectConfig(credentials);
const forwardConfig = {
srcHost: '127.0.0.1',
srcPort: sshMysqlPort as number,
dstHost: credentials.host as string,
dstPort: credentials.port as number,
};
if (sshAuthenticateWith === 'privateKey') {
sshClient.on('end', async () => {
await rm(tunnelConfig.privateKey as string);
});
}
const poolSetup = new Promise<mysql2.Pool>((resolve, reject) => {
sshClient
.on('ready', () => {
sshClient.forwardOut(
forwardConfig.srcHost,
forwardConfig.srcPort,
forwardConfig.dstHost,
forwardConfig.dstPort,
(err, stream) => {
if (err) reject(err);
const updatedDbServer = {
...connectionOptions,
stream,
};
const connection = mysql2.createPool(updatedDbServer);
resolve(connection);
},
);
})
.connect(tunnelConfig);
});
return poolSetup;
}
}

33
packages/nodes-base/test/nodes/Helpers.ts
View file

@ -1,11 +1,13 @@
import { readFileSync, readdirSync, mkdtempSync } from 'fs';
import { BinaryDataManager, Credentials } from 'n8n-core';
import { BinaryDataManager, Credentials, constructExecutionMetaData } from 'n8n-core';
import {
ICredentialDataDecryptedObject,
ICredentialsHelper,
IDataObject,
IDeferredPromise,
IExecuteFunctions,
IExecuteWorkflowInfo,
IGetNodeParameterOptions,
IHttpRequestHelper,
IHttpRequestOptions,
ILogger,
@ -29,6 +31,7 @@ import { WorkflowTestData } from './types';
import path from 'path';
import { tmpdir } from 'os';
import { isEmpty } from 'lodash';
import { get } from 'lodash';
import { FAKE_CREDENTIALS_DATA } from './FakeCredentialsMap';
@ -328,3 +331,31 @@ export const getWorkflowFilenames = (dirname: string) => {
return workflows;
};
export const createMockExecuteFunction = (
nodeParameters: IDataObject,
nodeMock: INode,
continueBool = false,
) => {
const fakeExecuteFunction = {
getNodeParameter(
parameterName: string,
_itemIndex: number,
fallbackValue?: IDataObject | undefined,
options?: IGetNodeParameterOptions | undefined,
) {
const parameter = options?.extractValue ? `${parameterName}.value` : parameterName;
return get(nodeParameters, parameter, fallbackValue);
},
getNode() {
return nodeMock;
},
continueOnFail() {
return continueBool;
},
helpers: {
constructExecutionMetaData,
},
} as unknown as IExecuteFunctions;
return fakeExecuteFunction;
};