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ims/util/db/mysql/driver.go

57 lines
1.2 KiB

package mysql
import (
"strings"
"gorm.io/gorm"
"zestack.dev/cast"
)
// func init() {
// db.RegisterDriver("mysql", func(opts *db.DriverOptions) db.Driver {
// return &Driver{
// Migrator: Migrator{
// DB: opts.DB,
// Log: opts.Log,
// Retry: opts.Retry,
// },
// }
// })
// }
type Driver struct {
Migrator
}
func (*Driver) UseTenant(tx *gorm.DB, tenant uint) (reset func() error, err error) {
return UseDatabase(tx, TenantDatabase(tenant))
}
func (*Driver) CurrentTenant(tx *gorm.DB) (tenant uint, ok bool) {
databse := CurrentDatabase(tx)
basename := TenantBasename()
if databse != "" && strings.HasPrefix(databse, basename) {
var err error
tenant, err = cast.Uint(databse[len(basename):])
ok = err == nil && tenant > 0
}
return
}
func createSharedSchema(tx *gorm.DB) error {
database := PublicDatabase()
sql := "CREATE DATABASE IF NOT EXISTS " + tx.Statement.Quote(database)
return tx.Exec(sql).Error
}
func (d *Driver) CreateTenantSchema(tx *gorm.DB, tenantId uint) error {
database := TenantDatabase(tenantId)
sql := "CREATE DATABASE IF NOT EXISTS " + tx.Statement.Quote(database)
return tx.Exec(sql).Error
}
func (d *Driver) DropSchemaForTenant(tenant uint) error {
return d.DropDatabaseForTenant(tenant)
}