mirror of
https://gitee.com/dromara/mayfly-go
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52 lines
937 B
Go
52 lines
937 B
Go
package dm
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import (
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"database/sql"
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"fmt"
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"mayfly-go/internal/db/dbm/dbi"
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"strings"
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"sync"
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)
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var (
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meta dbi.Meta
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once sync.Once
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)
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func GetMeta() dbi.Meta {
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once.Do(func() {
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meta = new(DmMeta)
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})
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return meta
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}
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type DmMeta struct {
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}
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func (md *DmMeta) GetSqlDb(d *dbi.DbInfo) (*sql.DB, error) {
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driverName := "dm"
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db := d.Database
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var dbParam string
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if db != "" {
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// 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
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ss := strings.Split(db, "/")
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if len(ss) > 1 {
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dbParam = fmt.Sprintf("%s?schema=%s", ss[0], ss[len(ss)-1])
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} else {
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dbParam = db
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}
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}
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err := d.IfUseSshTunnelChangeIpPort()
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if err != nil {
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return nil, err
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}
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dsn := fmt.Sprintf("dm://%s:%s@%s:%d/%s", d.Username, d.Password, d.Host, d.Port, dbParam)
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return sql.Open(driverName, dsn)
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}
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func (md *DmMeta) GetDialect(conn *dbi.DbConn) dbi.Dialect {
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return &DMDialect{conn}
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}
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