mirror of
https://github.com/n8n-io/n8n.git
synced 2024-11-10 22:54:05 -08:00
395 lines
9.3 KiB
TypeScript
395 lines
9.3 KiB
TypeScript
import { IExecuteFunctions } from 'n8n-core';
|
|
import {
|
|
IDataObject,
|
|
INodeExecutionData,
|
|
INodeType,
|
|
INodeTypeDescription,
|
|
} from 'n8n-workflow';
|
|
|
|
import { chunk, flatten } from '../../utils/utilities';
|
|
|
|
import * as mssql from 'mssql';
|
|
|
|
import { ITables } from './TableInterface';
|
|
|
|
import {
|
|
copyInputItem,
|
|
createTableStruct,
|
|
executeQueryQueue,
|
|
extractDeleteValues,
|
|
extractUpdateCondition,
|
|
extractUpdateSet,
|
|
extractValues,
|
|
} from './GenericFunctions';
|
|
|
|
export class MicrosoftSql implements INodeType {
|
|
description: INodeTypeDescription = {
|
|
displayName: 'Microsoft SQL',
|
|
name: 'microsoftSql',
|
|
icon: 'file:mssql.png',
|
|
group: ['input'],
|
|
version: 1,
|
|
description: 'Gets, add and update data in Microsoft SQL.',
|
|
defaults: {
|
|
name: 'Microsoft SQL',
|
|
color: '#1d4bab',
|
|
},
|
|
inputs: ['main'],
|
|
outputs: ['main'],
|
|
credentials: [
|
|
{
|
|
name: 'microsoftSql',
|
|
required: true,
|
|
},
|
|
],
|
|
properties: [
|
|
{
|
|
displayName: 'Operation',
|
|
name: 'operation',
|
|
type: 'options',
|
|
options: [
|
|
{
|
|
name: 'Execute Query',
|
|
value: 'executeQuery',
|
|
description: 'Execute an SQL query',
|
|
},
|
|
{
|
|
name: 'Insert',
|
|
value: 'insert',
|
|
description: 'Insert rows in database',
|
|
},
|
|
{
|
|
name: 'Update',
|
|
value: 'update',
|
|
description: 'Update rows in database',
|
|
},
|
|
{
|
|
name: 'Delete',
|
|
value: 'delete',
|
|
description: 'Delete rows in database',
|
|
},
|
|
],
|
|
default: 'insert',
|
|
description: 'The operation to perform.',
|
|
},
|
|
|
|
// ----------------------------------
|
|
// executeQuery
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Query',
|
|
name: 'query',
|
|
type: 'string',
|
|
typeOptions: {
|
|
rows: 5,
|
|
},
|
|
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: 'string',
|
|
displayOptions: {
|
|
show: {
|
|
operation: ['insert'],
|
|
},
|
|
},
|
|
default: '',
|
|
required: true,
|
|
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.',
|
|
},
|
|
|
|
// ----------------------------------
|
|
// update
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Table',
|
|
name: 'table',
|
|
type: 'string',
|
|
displayOptions: {
|
|
show: {
|
|
operation: ['update'],
|
|
},
|
|
},
|
|
default: '',
|
|
required: true,
|
|
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,
|
|
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.',
|
|
},
|
|
|
|
// ----------------------------------
|
|
// delete
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Table',
|
|
name: 'table',
|
|
type: 'string',
|
|
displayOptions: {
|
|
show: {
|
|
operation: ['delete'],
|
|
},
|
|
},
|
|
default: '',
|
|
required: true,
|
|
description: 'Name of the table in which to delete data.',
|
|
},
|
|
{
|
|
displayName: 'Delete Key',
|
|
name: 'deleteKey',
|
|
type: 'string',
|
|
displayOptions: {
|
|
show: {
|
|
operation: ['delete'],
|
|
},
|
|
},
|
|
default: 'id',
|
|
required: true,
|
|
description:
|
|
'Name of the property which decides which rows in the database should be deleted. Normally that would be "id".',
|
|
},
|
|
],
|
|
};
|
|
|
|
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
|
|
const credentials = this.getCredentials('microsoftSql');
|
|
|
|
if (credentials === undefined) {
|
|
throw new Error('No credentials got returned!');
|
|
}
|
|
|
|
const config = {
|
|
server: credentials.server as string,
|
|
port: credentials.port as number,
|
|
database: credentials.database as string,
|
|
user: credentials.user as string,
|
|
password: credentials.password as string,
|
|
domain: credentials.domain ? (credentials.domain as string) : undefined,
|
|
};
|
|
|
|
const pool = new mssql.ConnectionPool(config);
|
|
await pool.connect();
|
|
|
|
let returnItems = [];
|
|
|
|
const items = this.getInputData();
|
|
const operation = this.getNodeParameter('operation', 0) as string;
|
|
|
|
try {
|
|
if (operation === 'executeQuery') {
|
|
// ----------------------------------
|
|
// executeQuery
|
|
// ----------------------------------
|
|
|
|
const rawQuery = this.getNodeParameter('query', 0) as string;
|
|
|
|
const queryResult = await pool.request().query(rawQuery);
|
|
|
|
const result =
|
|
queryResult.recordsets.length > 1
|
|
? flatten(queryResult.recordsets)
|
|
: queryResult.recordsets[0];
|
|
|
|
returnItems = this.helpers.returnJsonArray(result as IDataObject[]);
|
|
} else if (operation === 'insert') {
|
|
// ----------------------------------
|
|
// insert
|
|
// ----------------------------------
|
|
|
|
const tables = createTableStruct(this.getNodeParameter, items);
|
|
await executeQueryQueue(
|
|
tables,
|
|
({
|
|
table,
|
|
columnString,
|
|
items,
|
|
}: {
|
|
table: string;
|
|
columnString: string;
|
|
items: IDataObject[];
|
|
}): Array<Promise<object>> => {
|
|
return chunk(items, 1000).map(insertValues => {
|
|
const values = insertValues
|
|
.map((item: IDataObject) => extractValues(item))
|
|
.join(',');
|
|
|
|
return pool
|
|
.request()
|
|
.query(
|
|
`INSERT INTO ${table}(${columnString}) VALUES ${values};`,
|
|
);
|
|
});
|
|
},
|
|
);
|
|
|
|
returnItems = items;
|
|
} else if (operation === 'update') {
|
|
// ----------------------------------
|
|
// update
|
|
// ----------------------------------
|
|
|
|
const updateKeys = items.map(
|
|
(item, index) => this.getNodeParameter('updateKey', index) as string,
|
|
);
|
|
const tables = createTableStruct(
|
|
this.getNodeParameter,
|
|
items,
|
|
['updateKey'].concat(updateKeys),
|
|
'updateKey',
|
|
);
|
|
await executeQueryQueue(
|
|
tables,
|
|
({
|
|
table,
|
|
columnString,
|
|
items,
|
|
}: {
|
|
table: string;
|
|
columnString: string;
|
|
items: IDataObject[];
|
|
}): Array<Promise<object>> => {
|
|
return items.map(item => {
|
|
const columns = columnString
|
|
.split(',')
|
|
.map(column => column.trim());
|
|
|
|
const setValues = extractUpdateSet(item, columns);
|
|
const condition = extractUpdateCondition(
|
|
item,
|
|
item.updateKey as string,
|
|
);
|
|
|
|
return pool
|
|
.request()
|
|
.query(`UPDATE ${table} SET ${setValues} WHERE ${condition};`);
|
|
});
|
|
},
|
|
);
|
|
|
|
returnItems = items;
|
|
} else if (operation === 'delete') {
|
|
// ----------------------------------
|
|
// delete
|
|
// ----------------------------------
|
|
|
|
const tables = items.reduce((tables, item, index) => {
|
|
const table = this.getNodeParameter('table', index) as string;
|
|
const deleteKey = this.getNodeParameter('deleteKey', index) as string;
|
|
if (tables[table] === undefined) {
|
|
tables[table] = {};
|
|
}
|
|
if (tables[table][deleteKey] === undefined) {
|
|
tables[table][deleteKey] = [];
|
|
}
|
|
tables[table][deleteKey].push(item);
|
|
return tables;
|
|
}, {} as ITables);
|
|
|
|
const queriesResults = await Promise.all(
|
|
Object.keys(tables).map(table => {
|
|
const deleteKeyResults = Object.keys(tables[table]).map(
|
|
deleteKey => {
|
|
const deleteItemsList = chunk(
|
|
tables[table][deleteKey].map(item =>
|
|
copyInputItem(item as INodeExecutionData, [deleteKey]),
|
|
),
|
|
1000,
|
|
);
|
|
const queryQueue = deleteItemsList.map(deleteValues => {
|
|
return pool
|
|
.request()
|
|
.query(
|
|
`DELETE FROM ${table} WHERE ${deleteKey} IN ${extractDeleteValues(
|
|
deleteValues,
|
|
deleteKey,
|
|
)};`,
|
|
);
|
|
});
|
|
return Promise.all(queryQueue);
|
|
},
|
|
);
|
|
return Promise.all(deleteKeyResults);
|
|
}),
|
|
);
|
|
|
|
const rowsDeleted = flatten(queriesResults).reduce(
|
|
(acc: number, resp: mssql.IResult<object>): number =>
|
|
(acc += resp.rowsAffected.reduce((sum, val) => (sum += val))),
|
|
0,
|
|
);
|
|
|
|
returnItems = this.helpers.returnJsonArray({
|
|
rowsDeleted,
|
|
} as IDataObject);
|
|
} else {
|
|
await pool.close();
|
|
throw new Error(`The operation "${operation}" is not supported!`);
|
|
}
|
|
} catch (err) {
|
|
if (this.continueOnFail() === true) {
|
|
returnItems = items;
|
|
} else {
|
|
await pool.close();
|
|
throw err;
|
|
}
|
|
}
|
|
|
|
// Close the connection
|
|
await pool.close();
|
|
|
|
return this.prepareOutputData(returnItems);
|
|
}
|
|
}
|