github.com/ecodeclub/eorm@v0.0.2-0.20231001112437-dae71da914d0/internal/sharding/compare.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 "strings"
    18  
    19  func CompareDSDBTab(i, j Dst) int {
    20  	strI := strings.Join([]string{i.Name, i.DB, i.Table}, "")
    21  	strJ := strings.Join([]string{j.Name, j.DB, j.Table}, "")
    22  	if strI < strJ {
    23  		return -1
    24  	} else if strI == strJ {
    25  		return 0
    26  	}
    27  	return 1
    28  
    29  }