Added prepare and unprepare method declarations to Connection, fixes #1564

Author: zordtk

index.d.ts

@@ -72,6 +72,8 @@ export interface Connection extends mysql.Connection {
   ): mysql.Query;
   ping(callback?: (err: mysql.QueryError | null) => any): void;
   promise(promiseImpl?: PromiseConstructor): PromiseConnection;
+  unprepare(sql: string): mysql.PrepareStatementInfo;
+  prepare(sql: string, callback?: (err: mysql.QueryError | null, statement: mysql.PrepareStatementInfo) => any): mysql.Prepare;
 }
 
 export interface PoolConnection extends mysql.PoolConnection, Connection {
@@ -149,6 +151,8 @@ export interface Pool extends mysql.Connection {
   on(event: 'release', listener: (connection: PoolConnection) => any): this;
   on(event: 'enqueue', listener: () => any): this;
   promise(promiseImpl?: PromiseConstructor): PromisePool;
+  unprepare(sql: string): mysql.PrepareStatementInfo;
+  prepare(sql: string, callback?: (err: mysql.QueryError | null, statement: mysql.PrepareStatementInfo) => any): mysql.Prepare;
 }
 
 type authPlugins = (pluginMetadata: {
@@ -182,14 +186,6 @@ export interface ConnectionOptions extends mysql.ConnectionOptions {
   };
 }
 
-export interface ConnectionConfig extends ConnectionOptions {
-  static mergeFlags(defaultFlags: string[], userFlags: string[] | string): number;
-  static getDefaultFlags(options?: ConnectionOptions): string[];
-  static getCharsetNumber(charset: string): number;
-  static getSSLProfile(name: string): { ca: string[] };
-  static parseUrl(url: string): { host: string, port: number, database: string, user: string, password: string, [key: string]: any };
-}
-
 export interface PoolOptions extends mysql.PoolOptions, ConnectionOptions {}
 
 export function createConnection(connectionUri: string): Connection;

typings/mysql/index.d.ts

@@ -7,7 +7,9 @@ import {PoolOptions} from './lib/Pool';
 import BasePoolCluster = require('./lib/PoolCluster');
 import {PoolClusterOptions} from './lib/PoolCluster';
 import BaseQuery = require('./lib/protocol/sequences/Query');
+import BasePrepare = require('./lib/protocol/sequences/Prepare');
 import {QueryOptions, StreamOptions, QueryError} from './lib/protocol/sequences/Query';
+import {PrepareStatementInfo} from 'mysql2/typings/mysql/lib/protocol/sequences/Prepare';
 
 export function createConnection(connectionUri: string): Connection;
 export function createConnection(config: BaseConnection.ConnectionOptions): Connection;
@@ -28,7 +30,8 @@ export {
     PoolOptions,
     PoolClusterOptions,
     QueryOptions,
-    QueryError
+    QueryError,
+    PrepareStatementInfo
 };
 export * from './lib/protocol/packets/index';
 
@@ -38,3 +41,4 @@ export interface PoolConnection extends BasePoolConnection {}
 export interface Pool extends BasePool {}
 export interface PoolCluster extends BasePoolCluster {}
 export interface Query extends BaseQuery {}
+export interface Prepare extends BasePrepare {}

typings/mysql/lib/Connection.d.ts

@@ -4,6 +4,7 @@
 // Modifications copyright (c) 2021, Oracle and/or its affiliates.
 
 import Query = require('./protocol/sequences/Query');
+import Prepare = require('./protocol/sequences/Prepare');
 import {OkPacket, FieldPacket, RowDataPacket, ResultSetHeader} from './protocol/packets/index';
 import {EventEmitter} from 'events';