func (mp *MysqlProvider) AssignList(entity dal.QueryEntity, output interface{}) error {
data, err := mp.List(entity)
if err != nil {
return err
}
return utils.NewDecoder(&data).Decode(output)
}
func (mp *MysqlProvider) Pager(entity dal.QueryEntity) (dal.QueryPagerResult, error) {
var qResult dal.QueryPagerResult
if entity.ResultType != dal.QPager {
entity.ResultType = dal.QPager
}
sqlText, values := mp.parseQuerySQL(entity)
if mp.config.IsPrint {
mp.PrintSQL(sqlText[0], values...)
mp.PrintSQL(sqlText[1], values...)
}
var (
errs []error
mux = new(sync.RWMutex)
wg = new(sync.WaitGroup)
)
wg.Add(2)
go func(result *dal.QueryPagerResult, errs *[]error) {
defer wg.Done()
rData := make([]map[string]interface{}, 0)
data, err := mp.queryData(sqlText[0], values...)
mux.Lock()
defer mux.Unlock()
if err != nil {
*errs = append(*errs, err)
return
}
if len(data) > 0 {
err = utils.NewDecoder(data).Decode(&rData)
if err != nil {
*errs = append(*errs, err)
return
}
}
(*result).Rows = rData
}(&qResult, &errs)
go func(result *dal.QueryPagerResult, errs *[]error) {
defer wg.Done()
var count int64
row := GDB.QueryRow(sqlText[1], values...)
err := row.Scan(&count)
mux.Lock()
defer mux.Unlock()
if err != nil {
*errs = append(*errs, err)
return
}
(*result).Total = count
}(&qResult, &errs)
wg.Wait()
if len(errs) > 0 {
return qResult, mp.Error(errs[0].Error())
}
return qResult, nil
}
// NewTranAEntity 创建新增实体
// fieldsValue 数据类型(map[string]interface{} or map[string]string or struct)
// 如果fieldsValue为struct类型，只保留非零值字段
func NewTranAEntity(table string, fieldsValue interface{}) TranEntityResult {
var result TranEntityResult
entity := TranEntity{
Table: table,
Operate: TA,
}
var fields map[string]interface{}
err := utils.NewDecoder(fieldsValue).Decode(&fields)
if err != nil {
result.Error = err
}
entity.FieldsValue = fields
result.Entity = entity
return result
}
