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mayfly-go/server/internal/db/dbm/mysql/meta.go
2024-03-15 13:31:53 +08:00

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package mysql
import (
"context"
"database/sql"
"fmt"
"mayfly-go/internal/db/dbm/dbi"
"net"
"github.com/go-sql-driver/mysql"
)
func init() {
meta := new(MysqlMeta)
dbi.Register(dbi.DbTypeMysql, meta)
dbi.Register(dbi.DbTypeMariadb, meta)
}
type MysqlMeta struct {
}
func (md *MysqlMeta) GetSqlDb(d *dbi.DbInfo) (*sql.DB, error) {
// SSH Conect
if d.SshTunnelMachineId > 0 {
sshTunnelMachine, err := dbi.GetSshTunnel(d.SshTunnelMachineId)
if err != nil {
return nil, err
}
mysql.RegisterDialContext(d.Network, func(ctx context.Context, addr string) (net.Conn, error) {
return sshTunnelMachine.GetDialConn("tcp", addr)
})
}
// 设置dataSourceName -> 更多参数参考https://github.com/go-sql-driver/mysql#dsn-data-source-name
dsn := fmt.Sprintf("%s:%s@%s(%s:%d)/%s?timeout=8s", d.Username, d.Password, d.Network, d.Host, d.Port, d.Database)
if d.Params != "" {
dsn = fmt.Sprintf("%s&%s", dsn, d.Params)
}
const driverName = "mysql"
return sql.Open(driverName, dsn)
}
func (md *MysqlMeta) GetDialect(conn *dbi.DbConn) dbi.Dialect {
return &MysqlDialect{dc: conn}
}
func (md *MysqlMeta) GetMetaData(conn *dbi.DbConn) *dbi.MetaDataX {
return dbi.NewMetaDataX(&MysqlMetaData{dc: conn})
}