mirror of
https://github.com/n8n-io/n8n.git
synced 2024-09-21 07:17:38 -07:00
405 lines
11 KiB
TypeScript
405 lines
11 KiB
TypeScript
import {
|
|
ICredentialDataDecryptedObject,
|
|
ICredentialsDecrypted,
|
|
ICredentialTestFunctions,
|
|
IDataObject,
|
|
INodeCredentialTestResult,
|
|
INodeExecutionData,
|
|
INodeType,
|
|
INodeTypeDescription,
|
|
NodeOperationError,
|
|
} from 'n8n-workflow';
|
|
// @ts-ignore
|
|
import mysql2 from 'mysql2/promise';
|
|
|
|
import { copyInputItems, createConnection, searchTables } from './GenericFunctions';
|
|
import { IExecuteFunctions } from 'n8n-core';
|
|
|
|
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',
|
|
},
|
|
|
|
// ----------------------------------
|
|
// executeQuery
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Query',
|
|
name: 'query',
|
|
type: 'string',
|
|
typeOptions: {
|
|
alwaysOpenEditWindow: true,
|
|
},
|
|
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'],
|
|
},
|
|
},
|
|
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',
|
|
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);
|
|
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) as string;
|
|
let returnItems: INodeExecutionData[] = [];
|
|
|
|
if (operation === 'executeQuery') {
|
|
// ----------------------------------
|
|
// executeQuery
|
|
// ----------------------------------
|
|
|
|
try {
|
|
const queryQueue = items.map((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) as IDataObject;
|
|
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, item) => collection.concat(Object.values(item as any)), // tslint:disable-line:no-any
|
|
[],
|
|
);
|
|
|
|
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 ${updateKey} = ?;`;
|
|
const queryQueue = updateItems.map((item) =>
|
|
connection.query(updateSQL, Object.values(item).concat(item[updateKey])),
|
|
);
|
|
const queryResult = await Promise.all(queryQueue);
|
|
returnItems = this.helpers.returnJsonArray(
|
|
queryResult.map((result) => result[0]) as unknown as IDataObject[],
|
|
);
|
|
} catch (error) {
|
|
if (this.continueOnFail()) {
|
|
returnItems = this.helpers.returnJsonArray({ error: error.message });
|
|
} else {
|
|
await connection.end();
|
|
throw error;
|
|
}
|
|
}
|
|
} else {
|
|
if (this.continueOnFail()) {
|
|
returnItems = this.helpers.returnJsonArray({
|
|
error: `The operation "${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);
|
|
}
|
|
}
|