add vendor packages避免用户网络太慢无法下载编译

vendor/github.com/zr-hebo/util-db/query_pooled_db.go

@@ -0,0 +1,105 @@
+package db
+
+import (
+	"database/sql"
+	"sync"
+	"time"
+)
+
+
+// PooledMysqlDB Mysql主机实例
+type PooledMysqlDB struct {
+	MysqlDB
+	conn *sql.DB
+	lock *sync.Mutex
+}
+
+// NewPooledMysqlDBWithParam 带参数创建MySQL数据库
+func NewPooledMysqlDBWithParam(
+	ip string, port int, userName, passwd string) (
+	pmd *PooledMysqlDB) {
+	pmd = NewPooledMysqlDB()
+	pmd.IP = ip
+	pmd.Port = port
+	pmd.UserName = userName
+	pmd.Passwd = passwd
+	pmd.DatabaseType = dbTypeMysql
+
+	return
+}
+
+// NewPooledMysqlDBWithAllParam 带参数创建MySQL数据库
+func NewPooledMysqlDBWithAllParam(
+	ip string, port int, userName, passwd, dbName string) (
+	pmd *PooledMysqlDB) {
+	pmd = NewPooledMysqlDB()
+	pmd.IP = ip
+	pmd.Port = port
+	pmd.UserName = userName
+	pmd.Passwd = passwd
+	pmd.DBName = dbName
+
+	return
+}
+
+// NewPooledMysqlDB 创建MySQL数据库
+func NewPooledMysqlDB() (pmd *PooledMysqlDB) {
+	pmd = new(PooledMysqlDB)
+	pmd.DatabaseType = dbTypeMysql
+	pmd.lock = new(sync.Mutex)
+	return
+}
+
+// CloseConnection 获取数据库连接
+func (pmd *PooledMysqlDB) CloseConnection() (err error) {
+	if pmd.conn == nil {
+		return
+	}
+
+	err = pmd.conn.Close()
+	return
+}
+
+// GetConnection 获取数据库连接
+func (pmd *PooledMysqlDB) GetConnection() (conn *sql.DB, err error) {
+	pmd.lock.Lock()
+	defer func() {
+		pmd.lock.Unlock()
+	}()
+
+	if pmd.conn != nil {
+		conn = pmd.conn
+		return
+	}
+
+	conn, err = pmd.MysqlDB.getConnection()
+	if err != nil {
+		return
+	}
+
+	conn.SetConnMaxLifetime(time.Second * 60 * 30)
+	conn.SetMaxOpenConns(0)
+	if err := conn.Ping(); err != nil {
+		return nil, err
+	}
+	pmd.conn = conn
+
+	return
+}
+
+// ExecChange 执行MySQL Query语句
+func (pmd *PooledMysqlDB) ExecChange(stmt string, args ...interface{}) (
+	result sql.Result, err error) {
+	return pmd.MysqlDB.ExecChange(stmt, args...)
+}
+
+// QueryRows 执行MySQL Query语句
+func (pmd *PooledMysqlDB) QueryRows(stmt string) (queryRows *QueryRows, err error) {
+	return pmd.MysqlDB.QueryRows(stmt)
+
+}
+
+// QueryRow 执行MySQL Query语句
+func (pmd *PooledMysqlDB) QueryRow(stmt string) (row *QueryRow, err error) {
+	return pmd.MysqlDB.QueryRow(stmt)
+}