github.com/matrixorigin/matrixone@v0.7.0/pkg/sql/plan/function/function_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 function
    16  
    17  import (
    18  	"fmt"
    19  	"testing"
    20  
    21  	"github.com/matrixorigin/matrixone/pkg/container/types"
    22  
    23  	"github.com/stretchr/testify/require"
    24  )
    25  
    26  func TestFunctionOverloadID(t *testing.T) {
    27  	tcs := []struct {
    28  		fid        int32
    29  		overloadId int32
    30  	}{
    31  		{fid: 0, overloadId: 0},
    32  		{fid: 1, overloadId: 10},
    33  		{fid: 10, overloadId: 15},
    34  		{fid: 400, overloadId: 1165},
    35  		{fid: 3004, overloadId: 12345},
    36  	}
    37  	for _, tc := range tcs {
    38  		f := EncodeOverloadID(tc.fid, tc.overloadId)
    39  		actualF, actualO := DecodeOverloadID(f)
    40  		require.Equal(t, tc.fid, actualF)
    41  		require.Equal(t, tc.overloadId, actualO)
    42  	}
    43  }
    44  
    45  func TestToPrintCastTable(t *testing.T) {
    46  	println("[Implicit Type Convert Rule for +, -, *, >, = and so on:]")
    47  	for i, rs := range binaryTable {
    48  		for j, r := range rs {
    49  			if r.convert {
    50  				println(fmt.Sprintf("%s + %s ===> %s + %s",
    51  					types.T(i).OidString(), types.T(j).OidString(),
    52  					r.left.OidString(), r.right.OidString()))
    53  			}
    54  		}
    55  	}
    56  
    57  	for i := 0; i < 5; i++ {
    58  		fmt.Println()
    59  	}
    60  
    61  	println("[Implicit Type Convert Rule for div and / :]")
    62  	for i, rs := range binaryTable2 {
    63  		for j, r := range rs {
    64  			if r.convert {
    65  				println(fmt.Sprintf("%s / %s ===> %s / %s",
    66  					types.T(i).OidString(), types.T(j).OidString(),
    67  					r.left.OidString(), r.right.OidString()))
    68  			}
    69  		}
    70  	}
    71  
    72  	for i := 0; i < 5; i++ {
    73  		fmt.Println()
    74  	}
    75  
    76  	println("[Implicit type conversions that we support :]")
    77  	for t1, t := range castTable {
    78  		for t2, k := range t {
    79  			if k {
    80  				str := fmt.Sprintf("%s ==> %s",
    81  					types.T(t1).OidString(), types.T(t2).OidString())
    82  				if preferredTypeConvert[t1][t2] {
    83  					str += " (preferred)"
    84  				}
    85  				println(str)
    86  			}
    87  		}
    88  	}
    89  }