github.com/matrixorigin/matrixone@v0.7.0/pkg/sql/plan/make_test.go (about)

     1  // Copyright 2021 - 2022 Matrix Origin
     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 plan
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/matrixorigin/matrixone/pkg/container/types"
    21  	"github.com/matrixorigin/matrixone/pkg/pb/plan"
    22  	"github.com/stretchr/testify/require"
    23  )
    24  
    25  func Test_rewriteDecimalTypeIfNecessary(t *testing.T) {
    26  	t1 := rewriteDecimalTypeIfNecessary(&plan.Type{
    27  		Id: int32(types.T_decimal64),
    28  	})
    29  	require.Equal(t, []int32{t1.Scale, t1.Width, t1.Size}, []int32{2, 6, 8})
    30  	t2 := rewriteDecimalTypeIfNecessary(&plan.Type{
    31  		Id: int32(types.T_decimal128),
    32  	})
    33  	require.Equal(t, []int32{t2.Scale, t2.Width, t2.Size}, []int32{10, 38, 16})
    34  	t3 := rewriteDecimalTypeIfNecessary(&plan.Type{
    35  		Id:    int32(types.T_decimal64),
    36  		Scale: 10,
    37  		Size:  8,
    38  	})
    39  	require.Equal(t, []int32{t3.Scale, t3.Width, t3.Size}, []int32{10, 0, 8})
    40  	t4 := rewriteDecimalTypeIfNecessary(&plan.Type{
    41  		Id:    int32(types.T_decimal128),
    42  		Width: 18,
    43  		Size:  16,
    44  	})
    45  	require.Equal(t, []int32{t4.Scale, t4.Width, t4.Size}, []int32{0, 18, 16})
    46  }