55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
var mysql = require('../index.js');
|
|
var Connection = mysql.Connection;
|
|
|
|
var inherits = require('util').inherits;
|
|
|
|
module.exports = PoolConnection;
|
|
inherits(PoolConnection, Connection);
|
|
|
|
function PoolConnection(pool, options) {
|
|
Connection.call(this, options);
|
|
this._pool = pool;
|
|
|
|
// When a fatal error occurs the connection's protocol ends, which will cause
|
|
// the connection to end as well, thus we only need to watch for the end event
|
|
// and we will be notified of disconnects.
|
|
this.on('end', this._removeFromPool);
|
|
this.on('error', this._removeFromPool);
|
|
}
|
|
|
|
PoolConnection.prototype.release = function () {
|
|
if (!this._pool || this._pool._closed) {
|
|
return;
|
|
}
|
|
|
|
return this._pool.releaseConnection(this);
|
|
};
|
|
|
|
// TODO: Remove this when we are removing PoolConnection#end
|
|
PoolConnection.prototype._realEnd = Connection.prototype.end;
|
|
|
|
PoolConnection.prototype.end = function () {
|
|
console.warn( 'Calling conn.end() to release a pooled connection is '
|
|
+ 'deprecated. In next version calling conn.end() will be '
|
|
+ 'restored to default conn.end() behavior. Use '
|
|
+ 'conn.release() instead.'
|
|
);
|
|
this.release();
|
|
};
|
|
|
|
PoolConnection.prototype.destroy = function () {
|
|
this._removeFromPool(this);
|
|
return Connection.prototype.destroy.apply(this, arguments);
|
|
};
|
|
|
|
PoolConnection.prototype._removeFromPool = function(connection) {
|
|
if (!this._pool || this._pool._closed) {
|
|
return;
|
|
}
|
|
|
|
var pool = this._pool;
|
|
this._pool = null;
|
|
|
|
pool._removeConnection(this);
|
|
};
|