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tidb/executor/infoschema_reader_internal_test.go

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// Copyright 2023 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package executor
import (
"testing"
"github.com/pingcap/tidb/parser/model"
"github.com/pingcap/tidb/types"
"github.com/stretchr/testify/require"
)
func TestSetDataFromCheckConstraints(t *testing.T) {
mt := memtableRetriever{}
sctx := defaultCtx()
dbs := []*model.DBInfo{
{
ID: 1,
Name: model.NewCIStr("test"),
Tables: []*model.TableInfo{
{
ID: 1,
Name: model.NewCIStr("t1"),
},
{
ID: 2,
Name: model.NewCIStr("t2"),
Constraints: []*model.ConstraintInfo{
{
Name: model.NewCIStr("t2_c1"),
Table: model.NewCIStr("t2"),
ExprString: "id<10",
State: model.StatePublic,
},
},
},
{
ID: 3,
Name: model.NewCIStr("t3"),
Constraints: []*model.ConstraintInfo{
{
Name: model.NewCIStr("t3_c1"),
Table: model.NewCIStr("t3"),
ExprString: "id<10",
State: model.StateDeleteOnly,
},
},
},
},
},
}
err := mt.setDataFromCheckConstraints(sctx, dbs)
require.NoError(t, err)
require.Equal(t, 1, len(mt.rows)) // 1 row
require.Equal(t, 4, len(mt.rows[0])) // 4 columns
require.Equal(t, types.NewStringDatum("def"), mt.rows[0][0])
require.Equal(t, types.NewStringDatum("test"), mt.rows[0][1])
require.Equal(t, types.NewStringDatum("t2_c1"), mt.rows[0][2])
require.Equal(t, types.NewStringDatum("(id<10)"), mt.rows[0][3])
}