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94 lines
3.2 KiB
94 lines
3.2 KiB
package mysql
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import "gorm.io/gorm"
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/*
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系统描述:mgo数据库驱动系统
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*/
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type (
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ISys interface {
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Table(tName string) (tx *gorm.DB)
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Begin() (tx *gorm.DB)
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Raw(sql string, values ...interface{}) (tx *gorm.DB)
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Exec(sql string, values ...interface{}) (tx *gorm.DB)
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CreateTable(tName string, model any) (err error)
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AutoIncrementStart(tName, column string, start uint64) (err error)
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// AutoIncrementFloor 抬高自增主键下限（表里已有数据也生效，已有行 id 不动）。
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AutoIncrementFloor(tName, column string, start uint64) (err error)
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FindOne(tName string, model any, query interface{}, args ...interface{}) (err error)
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// FindOnePrimary 与 FindOne 相同，但强制走主库（读写分离下绕过只读副本）。
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// 用于"读后写同一行"等强一致场景，避免读到复制延迟内的旧数据。MySQL 无副本时等同 FindOne。
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FindOnePrimary(tName string, model any, query interface{}, args ...interface{}) (err error)
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Find(tName string, models any, query interface{}, args ...interface{}) (err error)
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Insert(tName string, model any) (err error)
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Save(tName string, model any) (err error)
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Delete(tName string, query interface{}, args ...interface{}) (err error)
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DropTable(tName string) (err error)
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}
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)
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var (
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defsys ISys
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ErrNoDocuments = gorm.ErrRecordNotFound
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)
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func OnInit(config map[string]interface{}, option ...Option) (err error) {
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defsys, err = newSys(newOptions(config, option...))
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return
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}
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func NewSys(option ...Option) (sys ISys, err error) {
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sys, err = newSys(newOptionsByOption(option...))
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return
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}
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// GetSys 返回全局 mysql 实例（业务库）。删除 sys/db 聚合层后，原 db.ServiceDB() 统一改用本函数。
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func GetSys() ISys {
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return defsys
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}
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func Table(tName string) (tx *gorm.DB) {
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return defsys.Table(tName)
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}
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func Exec(sql string, values ...interface{}) (tx *gorm.DB) {
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return defsys.Exec(sql, values...)
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}
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func Raw(sql string, values ...interface{}) (tx *gorm.DB) {
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return defsys.Raw(sql, values...)
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}
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func CreateTable(tName string, model any) (err error) {
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return defsys.CreateTable(tName, model)
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}
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func FindOne(tName string, model any, query interface{}, args ...interface{}) (err error) {
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return defsys.FindOne(tName, model, query, args...)
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}
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func Find(tName string, models any, query interface{}, args ...interface{}) (err error) {
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return defsys.Find(tName, models, query, args...)
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}
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func Insert(tName string, model any) (err error) {
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return defsys.Insert(tName, model)
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}
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func Save(tName string, model any) (err error) {
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return defsys.Save(tName, model)
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}
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func FindOnePrimary(tName string, model any, query interface{}, args ...interface{}) (err error) {
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return defsys.FindOnePrimary(tName, model, query, args...)
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}
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func AutoIncrementStart(tName, column string, start uint64) (err error) {
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return defsys.AutoIncrementStart(tName, column, start)
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}
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func AutoIncrementFloor(tName, column string, start uint64) (err error) {
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return defsys.AutoIncrementFloor(tName, column, start)
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}
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func Delete(tName string, query interface{}, args ...interface{}) (err error) {
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return defsys.Delete(tName, query, args...)
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}
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func DropTable(tName string) (err error) {
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return defsys.DropTable(tName)
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}
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