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builtin_miscellaneous_test.go
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// Copyright 2021 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 expression
import (
"math"
"strings"
"testing"
"time"
"github.com/pingcap/tidb/parser/ast"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/parser/terror"
"github.com/pingcap/tidb/testkit/testutil"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/chunk"
"github.com/stretchr/testify/require"
)
func TestInetAton(t *testing.T) {
ctx := createContext(t)
tbl := []struct {
Input interface{}
Expected interface{}
}{
{"", nil},
{nil, nil},
{"255.255.255.255", 4294967295},
{"0.0.0.0", 0},
{"127.0.0.1", 2130706433},
{"0.0.0.256", nil},
{"113.14.22.3", 1896748547},
{"127", 127},
{"127.255", 2130706687},
{"127,256", nil},
{"127.2.1", 2130837505},
{"123.2.1.", nil},
{"127.0.0.1.1", nil},
}
dtbl := tblToDtbl(tbl)
fc := funcs[ast.InetAton]
for _, tt := range dtbl {
f, err := fc.getFunction(ctx, datumsToConstants(tt["Input"]))
require.NoError(t, err)
d, err := evalBuiltinFunc(f, chunk.Row{})
if tt["Expected"][0].IsNull() && !tt["Input"][0].IsNull() {
require.True(t, terror.ErrorEqual(err, errWrongValueForType))
} else {
require.NoError(t, err)
testutil.DatumEqual(t, tt["Expected"][0], d)
}
}
}
func TestIsIPv4(t *testing.T) {
ctx := createContext(t)
tests := []struct {
ip string
expect interface{}
}{
{"192.168.1.1", 1},
{"255.255.255.255", 1},
{"10.t.255.255", 0},
{"10.1.2.3.4", 0},
{"2001:250:207:0:0:eef2::1", 0},
{"::ffff:1.2.3.4", 0},
{"1...1", 0},
{"192.168.1.", 0},
{".168.1.2", 0},
{"168.1.2", 0},
{"1.2.3.4.5", 0},
}
fc := funcs[ast.IsIPv4]
for _, test := range tests {
ip := types.NewStringDatum(test.ip)
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{ip}))
require.NoError(t, err)
result, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(test.expect), result)
}
// test NULL input for is_ipv4
var argNull types.Datum
f, _ := fc.getFunction(ctx, datumsToConstants([]types.Datum{argNull}))
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(0), r)
}
func TestIsUUID(t *testing.T) {
ctx := createContext(t)
tests := []struct {
uuid string
expect interface{}
}{
{"6ccd780c-baba-1026-9564-5b8c656024db", 1},
{"6CCD780C-BABA-1026-9564-5B8C656024DB", 1},
{"6ccd780cbaba102695645b8c656024db", 1},
{"{6ccd780c-baba-1026-9564-5b8c656024db}", 1},
{"6ccd780c-baba-1026-9564-5b8c6560", 0},
{"6CCD780C-BABA-1026-9564-5B8C656024DQ", 0},
// This is a bug in google/uuid#60
{"{99a9ad03-5298-11ec-8f5c-00ff90147ac3*", 1},
// This is a format google/uuid support, while mysql doesn't
{"urn:uuid:99a9ad03-5298-11ec-8f5c-00ff90147ac3", 1},
}
fc := funcs[ast.IsUUID]
for _, test := range tests {
uuid := types.NewStringDatum(test.uuid)
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{uuid}))
require.NoError(t, err)
result, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(test.expect), result)
}
var argNull types.Datum
f, _ := fc.getFunction(ctx, datumsToConstants([]types.Datum{argNull}))
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
require.True(t, r.IsNull())
}
func TestUUID(t *testing.T) {
ctx := createContext(t)
f, err := newFunctionForTest(ctx, ast.UUID)
require.NoError(t, err)
d, err := f.Eval(chunk.Row{})
require.NoError(t, err)
parts := strings.Split(d.GetString(), "-")
require.Equal(t, 5, len(parts))
for i, p := range parts {
switch i {
case 0:
require.Equal(t, 8, len(p))
case 1:
require.Equal(t, 4, len(p))
case 2:
require.Equal(t, 4, len(p))
case 3:
require.Equal(t, 4, len(p))
case 4:
require.Equal(t, 12, len(p))
}
}
_, err = funcs[ast.UUID].getFunction(ctx, datumsToConstants(nil))
require.NoError(t, err)
}
func TestAnyValue(t *testing.T) {
ctx := createContext(t)
tbl := []struct {
arg interface{}
ret interface{}
}{
{nil, nil},
{1234, 1234},
{-0x99, -0x99},
{3.1415926, 3.1415926},
{"Hello, World", "Hello, World"},
}
for _, tt := range tbl {
fc := funcs[ast.AnyValue]
f, err := fc.getFunction(ctx, datumsToConstants(types.MakeDatums(tt.arg)))
require.NoError(t, err)
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(tt.ret), r)
}
}
func TestIsIPv6(t *testing.T) {
ctx := createContext(t)
tests := []struct {
ip string
expect interface{}
}{
{"2001:250:207:0:0:eef2::1", 1},
{"2001:0250:0207:0001:0000:0000:0000:ff02", 1},
{"2001:250:207::eff2::1，", 0},
{"192.168.1.1", 0},
{"::ffff:1.2.3.4", 1},
}
fc := funcs[ast.IsIPv6]
for _, test := range tests {
ip := types.NewStringDatum(test.ip)
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{ip}))
require.NoError(t, err)
result, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(test.expect), result)
}
// test NULL input for is_ipv6
var argNull types.Datum
f, _ := fc.getFunction(ctx, datumsToConstants([]types.Datum{argNull}))
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(0), r)
}
func TestInetNtoa(t *testing.T) {
ctx := createContext(t)
tests := []struct {
ip int
expect interface{}
}{
{167773449, "10.0.5.9"},
{2063728641, "123.2.0.1"},
{0, "0.0.0.0"},
{545460846593, nil},
{-1, nil},
{math.MaxUint32, "255.255.255.255"},
}
fc := funcs[ast.InetNtoa]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{ip}))
require.NoError(t, err)
result, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(test.expect), result)
}
var argNull types.Datum
f, _ := fc.getFunction(ctx, datumsToConstants([]types.Datum{argNull}))
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
require.True(t, r.IsNull())
}
func TestInet6NtoA(t *testing.T) {
ctx := createContext(t)
tests := []struct {
ip []byte
expect interface{}
}{
// Success cases
{[]byte{0x00, 0x00, 0x00, 0x00}, "0.0.0.0"},
{[]byte{0x0A, 0x00, 0x05, 0x09}, "10.0.5.9"},
{[]byte{0xFD, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5A, 0x55, 0xCA, 0xFF, 0xFE,
0xFA, 0x90, 0x89}, "fdfe::5a55:caff:fefa:9089"},
{[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x01,
0x02, 0x03, 0x04}, "::ffff:1.2.3.4"},
{[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF}, "::ffff:255.255.255.255"},
// Fail cases
{[]byte{}, nil}, // missing bytes
{[]byte{0x0A, 0x00, 0x05}, nil}, // missing a byte ipv4
{[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF}, nil}, // missing a byte ipv6
}
fc := funcs[ast.Inet6Ntoa]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{ip}))
require.NoError(t, err)
result, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(test.expect), result)
}
var argNull types.Datum
f, _ := fc.getFunction(ctx, datumsToConstants([]types.Datum{argNull}))
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
require.True(t, r.IsNull())
}
func TestInet6AtoN(t *testing.T) {
ctx := createContext(t)
tests := []struct {
ip string
expect interface{}
}{
{"0.0.0.0", []byte{0x00, 0x00, 0x00, 0x00}},
{"10.0.5.9", []byte{0x0A, 0x00, 0x05, 0x09}},
{"fdfe::5a55:caff:fefa:9089", []byte{0xFD, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5A, 0x55, 0xCA, 0xFF, 0xFE, 0xFA, 0x90, 0x89}},
{"::ffff:1.2.3.4", []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x01, 0x02, 0x03, 0x04}},
{"", nil},
{"Not IP address", nil},
{"1.0002.3.4", nil},
{"1.2.256", nil},
{"::ffff:255.255.255.255", []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},
}
fc := funcs[ast.Inet6Aton]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{ip}))
require.NoError(t, err)
result, err := evalBuiltinFunc(f, chunk.Row{})
expect := types.NewDatum(test.expect)
if expect.IsNull() {
require.True(t, terror.ErrorEqual(err, errWrongValueForType))
} else {
require.NoError(t, err)
testutil.DatumEqual(t, expect, result)
}
}
var argNull types.Datum
f, _ := fc.getFunction(ctx, datumsToConstants([]types.Datum{argNull}))
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
require.True(t, r.IsNull())
}
func TestIsIPv4Mapped(t *testing.T) {
ctx := createContext(t)
tests := []struct {
ip []byte
expect interface{}
}{
{[]byte{}, 0},
{[]byte{0x10, 0x10, 0x10, 0x10}, 0},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0xff, 0x1, 0x2, 0x3, 0x4}, 1},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0xff, 0xff, 0x1, 0x2, 0x3, 0x4}, 0},
{[]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6}, 0},
}
fc := funcs[ast.IsIPv4Mapped]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{ip}))
require.NoError(t, err)
result, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(test.expect), result)
}
var argNull types.Datum
f, _ := fc.getFunction(ctx, datumsToConstants([]types.Datum{argNull}))
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(int64(0)), r)
}
func TestIsIPv4Compat(t *testing.T) {
ctx := createContext(t)
tests := []struct {
ip []byte
expect interface{}
}{
{[]byte{}, 0},
{[]byte{0x10, 0x10, 0x10, 0x10}, 0},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x2, 0x3, 0x4}, 1},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x2, 0x3, 0x4}, 0},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0xff, 0xff, 0x1, 0x2, 0x3, 0x4}, 0},
{[]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6}, 0},
}
fc := funcs[ast.IsIPv4Compat]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{ip}))
require.NoError(t, err)
result, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(test.expect), result)
}
var argNull types.Datum
f, _ := fc.getFunction(ctx, datumsToConstants([]types.Datum{argNull}))
r, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(0), r)
}
func TestNameConst(t *testing.T) {
ctx := createContext(t)
dec := types.NewDecFromFloatForTest(123.123)
tm := types.NewTime(types.FromGoTime(time.Now()), mysql.TypeDatetime, 6)
du := types.Duration{Duration: 12*time.Hour + 1*time.Minute + 1*time.Second, Fsp: types.DefaultFsp}
cases := []struct {
colName string
arg interface{}
isNil bool
asserts func(d types.Datum)
}{
{"test_int", 3, false, func(d types.Datum) {
require.Equal(t, int64(3), d.GetInt64())
}},
{"test_float", 3.14159, false, func(d types.Datum) {
require.Equal(t, 3.14159, d.GetFloat64())
}},
{"test_string", "TiDB", false, func(d types.Datum) {
require.Equal(t, "TiDB", d.GetString())
}},
{"test_null", nil, true, func(d types.Datum) {
require.Equal(t, types.KindNull, d.Kind())
}},
{"test_decimal", dec, false, func(d types.Datum) {
require.Equal(t, dec.String(), d.GetMysqlDecimal().String())
}},
{"test_time", tm, false, func(d types.Datum) {
require.Equal(t, tm.String(), d.GetMysqlTime().String())
}},
{"test_duration", du, false, func(d types.Datum) {
require.Equal(t, du.String(), d.GetMysqlDuration().String())
}},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.NameConst, primitiveValsToConstants(ctx, []interface{}{c.colName, c.arg})...)
require.NoError(t, err)
d, err := f.Eval(chunk.Row{})
require.NoError(t, err)
c.asserts(d)
}
}
func TestUUIDToBin(t *testing.T) {
ctx := createContext(t)
tests := []struct {
args []interface{}
expect interface{}
isNil bool
getWarning bool
getError bool
}{
{
[]interface{}{"6ccd780c-baba-1026-9564-5b8c656024db"},
[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB},
false,
false,
false,
},
{
[]interface{}{"6CCD780C-BABA-1026-9564-5B8C656024DB"},
[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB},
false,
false,
false,
},
{
[]interface{}{"6ccd780cbaba102695645b8c656024db"},
[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB},
false,
false,
false,
},
{
[]interface{}{"{6ccd780c-baba-1026-9564-5b8c656024db}"},
[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB},
false,
false,
false,
},
{
[]interface{}{"6ccd780c-baba-1026-9564-5b8c656024db", 0},
[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB},
false,
false,
false,
},
{
[]interface{}{"6ccd780c-baba-1026-9564-5b8c656024db", 1},
[]byte{0x10, 0x26, 0xBA, 0xBA, 0x6C, 0xCD, 0x78, 0x0C, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB},
false,
false,
false,
},
{
[]interface{}{"6ccd780c-baba-1026-9564-5b8c656024db", "a"},
[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB},
false,
true,
false,
},
{
[]interface{}{"6ccd780c-baba-1026-9564-5b8c6560"},
[]byte{},
false,
false,
true,
},
{
[]interface{}{nil},
[]byte{},
true,
false,
false,
},
}
for _, test := range tests {
preWarningCnt := ctx.GetSessionVars().StmtCtx.WarningCount()
f, err := newFunctionForTest(ctx, ast.UUIDToBin, primitiveValsToConstants(ctx, test.args)...)
require.NoError(t, err)
result, err := f.Eval(chunk.Row{})
if test.getError {
require.Error(t, err)
} else if test.getWarning {
require.NoError(t, err)
require.Equal(t, preWarningCnt+1, ctx.GetSessionVars().StmtCtx.WarningCount())
} else {
require.NoError(t, err)
if test.isNil {
require.Equal(t, types.KindNull, result.Kind())
} else {
testutil.DatumEqual(t, types.NewDatum(test.expect), result)
}
}
}
_, err := funcs[ast.UUIDToBin].getFunction(ctx, []Expression{NewZero()})
require.NoError(t, err)
}
func TestBinToUUID(t *testing.T) {
ctx := createContext(t)
tests := []struct {
args []interface{}
expect string
isNil bool
getWarning bool
getError bool
}{
{
[]interface{}{[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB}},
"6ccd780c-baba-1026-9564-5b8c656024db",
false,
false,
false,
},
{
[]interface{}{[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB}, 1},
"baba1026-780c-6ccd-9564-5b8c656024db",
false,
false,
false,
},
{
[]interface{}{[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60, 0x24, 0xDB}, "a"},
"6ccd780c-baba-1026-9564-5b8c656024db",
false,
true,
false,
},
{
[]interface{}{[]byte{0x6C, 0xCD, 0x78, 0x0C, 0xBA, 0xBA, 0x10, 0x26, 0x95, 0x64, 0x5B, 0x8C, 0x65, 0x60}},
"",
false,
false,
true,
},
{
[]interface{}{nil},
"",
true,
false,
false,
},
}
for _, test := range tests {
preWarningCnt := ctx.GetSessionVars().StmtCtx.WarningCount()
f, err := newFunctionForTest(ctx, ast.BinToUUID, primitiveValsToConstants(ctx, test.args)...)
require.NoError(t, err)
result, err := f.Eval(chunk.Row{})
if test.getError {
require.Error(t, err)
} else if test.getWarning {
require.NoError(t, err)
require.Equal(t, preWarningCnt+1, ctx.GetSessionVars().StmtCtx.WarningCount())
} else {
require.NoError(t, err)
if test.isNil {
require.Equal(t, types.KindNull, result.Kind())
} else {
require.Equal(t, test.expect, result.GetString())
}
}
}
_, err := funcs[ast.BinToUUID].getFunction(ctx, []Expression{NewZero()})
require.NoError(t, err)
}
func TestTidbShard(t *testing.T) {
ctx := createContext(t)
fc := funcs[ast.TiDBShard]
// tidb_shard(-1) == 81, ......
args := makeDatums([]int{-1, 0, 1, 9999999999999999})
res := makeDatums([]int{81, 167, 214, 63})
for i, arg := range args {
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{arg}))
require.NoError(t, err)
d, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, res[i], d)
}
// tidb_shard("string") always return 167
args2 := makeDatums([]string{"abc", "ope", "wopddd"})
res2 := makeDatums([]int{167})
for _, arg := range args2 {
f, err := fc.getFunction(ctx, datumsToConstants([]types.Datum{arg}))
require.NoError(t, err)
d, err := evalBuiltinFunc(f, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, res2[0], d)
}
args3 := makeDatums([]int{-1, 0, 1, 9999999999999999})
{
_, err := fc.getFunction(ctx, datumsToConstants(args3))
require.Error(t, err)
}
}