vitess.io/vitess@v0.16.2/go/vt/vtgate/semantics/FakeSI.go (about)

     1  /*
     2  Copyright 2021 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package semantics
    18  
    19  import (
    20  	"vitess.io/vitess/go/mysql/collations"
    21  	"vitess.io/vitess/go/vt/key"
    22  	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
    23  	"vitess.io/vitess/go/vt/sqlparser"
    24  	"vitess.io/vitess/go/vt/vtgate/vindexes"
    25  )
    26  
    27  var _ SchemaInformation = (*FakeSI)(nil)
    28  
    29  // FakeSI is a fake SchemaInformation for testing
    30  type FakeSI struct {
    31  	Tables       map[string]*vindexes.Table
    32  	VindexTables map[string]vindexes.Vindex
    33  }
    34  
    35  // FindTableOrVindex implements the SchemaInformation interface
    36  func (s *FakeSI) FindTableOrVindex(tablename sqlparser.TableName) (*vindexes.Table, vindexes.Vindex, string, topodatapb.TabletType, key.Destination, error) {
    37  	table, ok := s.Tables[sqlparser.String(tablename)]
    38  	if ok {
    39  		return table, nil, "", 0, nil, nil
    40  	}
    41  	return nil, s.VindexTables[sqlparser.String(tablename)], "", 0, nil, nil
    42  }
    43  
    44  func (FakeSI) ConnCollation() collations.ID {
    45  	return 45
    46  }