github.com/ecodeclub/eorm@v0.0.2-0.20231001112437-dae71da914d0/internal/sharding/result.go (about)

     1  // Copyright 2021 ecodeclub
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package sharding
    16  
    17  import "database/sql"
    18  
    19  type Result struct {
    20  	err error
    21  	res []sql.Result
    22  }
    23  
    24  func (r Result) Err() error {
    25  	return r.err
    26  }
    27  
    28  func (r Result) LastInsertId() (int64, error) {
    29  	if r.err != nil {
    30  		return 0, r.err
    31  	}
    32  	return r.res[len(r.res)-1].LastInsertId()
    33  }
    34  func (r Result) RowsAffected() (int64, error) {
    35  	if r.err != nil {
    36  		return 0, r.err
    37  	}
    38  	var sum int64
    39  	for _, i := range r.res {
    40  		n, err := i.RowsAffected()
    41  		if err != nil {
    42  			return 0, err
    43  		}
    44  		sum += n
    45  	}
    46  	return sum, nil
    47  }
    48  
    49  func NewResult(res []sql.Result, err error) Result {
    50  	return Result{res: res, err: err}
    51  }