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mayfly-go/server/internal/db/dbm/dbi/meta.go

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package dbi
import "database/sql"
var (
metas map[DbType]Meta = make(map[DbType]Meta)
)
// 注册数据库类型与dbmeta
func Register(dt DbType, meta Meta) {
metas[dt] = meta
}
// 根据数据库类型获取对应的Meta
func GetMeta(dt DbType) Meta {
return metas[dt]
}
// 数据库元信息获取如获取sql.DB、Dialect等
type Meta interface {
// 根据数据库信息获取sql.DB
GetSqlDb(*DbInfo) (*sql.DB, error)
// 获取数据库方言,用于获取表结构等信息
GetDialect(*DbConn) Dialect
}