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

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package dm
import (
"database/sql"
"fmt"
"mayfly-go/internal/db/dbm/dbi"
"net/url"
"strings"
)
func init() {
dbi.Register(dbi.DbTypeDM, new(DmMeta))
}
type DmMeta struct {
}
func (md *DmMeta) GetSqlDb(d *dbi.DbInfo) (*sql.DB, error) {
driverName := "dm"
db := d.Database
var dbParam string
if db != "" {
// dm database可以使用db/schema表示方便连接指定schema, 若不存在schema则使用默认schema
ss := strings.Split(db, "/")
if len(ss) > 1 {
dbParam = fmt.Sprintf("%s?schema=\"%s\"&escapeProcess=true", ss[0], ss[len(ss)-1])
} else {
dbParam = db + "?escapeProcess=true"
}
} else {
dbParam = "?escapeProcess=true"
}
err := d.IfUseSshTunnelChangeIpPort()
if err != nil {
return nil, err
}
dsn := fmt.Sprintf("dm://%s:%s@%s:%d/%s", d.Username, url.PathEscape(d.Password), d.Host, d.Port, dbParam)
return sql.Open(driverName, dsn)
}
func (md *DmMeta) GetDialect(conn *dbi.DbConn) dbi.Dialect {
return &DMDialect{dc: conn}
}
func (md *DmMeta) GetMetaData(conn *dbi.DbConn) *dbi.MetaDataX {
return dbi.NewMetaDataX(&DMMetaData{
dc: conn,
})
}