This is an automated cherry-pick of pingcap#40723

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

errno/errcode.go

@@ -912,6 +912,12 @@ const (
 	ErrFunctionalIndexDataIsTooLong                          = 3907
 	ErrFunctionalIndexNotApplicable                          = 3909
 	ErrDynamicPrivilegeNotRegistered                         = 3929
+<<<<<<< HEAD
+=======
+	ErUserAccessDeniedForUserAccountBlockedByPasswordLock    = 3955
+	ErrJSONInBooleanContext                                  = 3986
+	ErrTableWithoutPrimaryKey                                = 3750
+>>>>>>> efbdeed4ab (json, expression: add json unary not implementation (#40723))
 	// MariaDB errors.
 	ErrOnlyOneDefaultPartionAllowed         = 4030
 	ErrWrongPartitionTypeExpectedSystemTime = 4113

errno/errname.go

@@ -913,6 +913,11 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{
 	ErrCTERecursiveForbiddenJoinOrder:                        mysql.Message("In recursive query block of Recursive Common Table Expression '%s', the recursive table must neither be in the right argument of a LEFT JOIN, nor be forced to be non-first with join order hints", nil),
 	ErrInvalidRequiresSingleReference:                        mysql.Message("In recursive query block of Recursive Common Table Expression '%s', the recursive table must be referenced only once, and not in any subquery", nil),
 	ErrCTEMaxRecursionDepth:                                  mysql.Message("Recursive query aborted after %d iterations. Try increasing @@cte_max_recursion_depth to a larger value", nil),
+<<<<<<< HEAD
+=======
+	ErrTableWithoutPrimaryKey:                                mysql.Message("Unable to create or change a table without a primary key, when the system variable 'sql_require_primary_key' is set. Add a primary key to the table or unset this variable to avoid this message. Note that tables without a primary key can cause performance problems in row-based replication, so please consult your DBA before changing this setting.", nil),
+	ErrJSONInBooleanContext:                                  mysql.Message("Evaluating a JSON value in SQL boolean context does an implicit comparison against JSON integer 0; if this is not what you want, consider converting JSON to a SQL numeric type with JSON_VALUE RETURNING", nil),
+>>>>>>> efbdeed4ab (json, expression: add json unary not implementation (#40723))
 	// MariaDB errors.
 	ErrOnlyOneDefaultPartionAllowed:         mysql.Message("Only one DEFAULT partition allowed", nil),
 	ErrWrongPartitionTypeExpectedSystemTime: mysql.Message("Wrong partitioning type, expected type: `SYSTEM_TIME`", nil),

expression/builtin_op.go

@@ -718,7 +718,7 @@ func (c *unaryNotFunctionClass) getFunction(ctx sessionctx.Context, args []Expre
 	argTp := args[0].GetType().EvalType()
 	if argTp == types.ETTimestamp || argTp == types.ETDatetime || argTp == types.ETDuration {
 		argTp = types.ETInt
-	} else if argTp == types.ETJson || argTp == types.ETString {
+	} else if argTp == types.ETString {
 		argTp = types.ETReal
 	}
 
@@ -739,6 +739,10 @@ func (c *unaryNotFunctionClass) getFunction(ctx sessionctx.Context, args []Expre
 	case types.ETInt:
 		sig = &builtinUnaryNotIntSig{bf}
 		sig.setPbCode(tipb.ScalarFuncSig_UnaryNotInt)
+	case types.ETJson:
+		ctx.GetSessionVars().StmtCtx.AppendWarning(errJSONInBooleanContext)
+		sig = &builtinUnaryNotJSONSig{bf}
+		sig.setPbCode(tipb.ScalarFuncSig_UnaryNotJSON)
 	default:
 		return nil, errors.Errorf("unexpected types.EvalType %v", argTp)
 	}
@@ -808,6 +812,28 @@ func (b *builtinUnaryNotIntSig) evalInt(row chunk.Row) (int64, bool, error) {
 	return 0, false, nil
 }
 
+type builtinUnaryNotJSONSig struct {
+	baseBuiltinFunc
+}
+
+func (b *builtinUnaryNotJSONSig) Clone() builtinFunc {
+	newSig := &builtinUnaryNotJSONSig{}
+	newSig.cloneFrom(&b.baseBuiltinFunc)
+	return newSig
+}
+
+func (b *builtinUnaryNotJSONSig) evalInt(row chunk.Row) (int64, bool, error) {
+	arg, isNull, err := b.args[0].EvalJSON(b.ctx, row)
+	if isNull || err != nil {
+		return 0, true, err
+	}
+
+	if types.CompareBinaryJSON(arg, types.CreateBinaryJSON(int64(0))) == 0 {
+		return 1, false, nil
+	}
+	return 0, false, nil
+}
+
 type unaryMinusFunctionClass struct {
 	baseFunctionClass
 }

expression/builtin_op_test.go

@@ -462,6 +462,8 @@ func TestUnaryNot(t *testing.T) {
 		{[]interface{}{"0.3"}, 0, false, false},
 		{[]interface{}{types.NewDecFromFloatForTest(0.3)}, 0, false, false},
 		{[]interface{}{nil}, 0, true, false},
+		{[]interface{}{types.CreateBinaryJSON(int64(0))}, 1, false, false},
+		{[]interface{}{types.CreateBinaryJSON(map[string]interface{}{"test": "test"})}, 0, false, false},
 
 		{[]interface{}{errors.New("must error")}, 0, false, true},
 	}

expression/errors.go

@@ -55,6 +55,7 @@ var (
 	errSpecificAccessDenied          = dbterror.ClassExpression.NewStd(mysql.ErrSpecificAccessDenied)
 	errUserLockDeadlock              = dbterror.ClassExpression.NewStd(mysql.ErrUserLockDeadlock)
 	errUserLockWrongName             = dbterror.ClassExpression.NewStd(mysql.ErrUserLockWrongName)
+	errJSONInBooleanContext          = dbterror.ClassExpression.NewStd(mysql.ErrJSONInBooleanContext)
 
 	// Sequence usage privilege check.
 	errSequenceAccessDenied      = dbterror.ClassExpression.NewStd(mysql.ErrTableaccessDenied)

go.mod

@@ -51,11 +51,22 @@ require (
 	github.com/pingcap/log v1.1.1-0.20221116035753-734d527bc87c
 	github.com/pingcap/sysutil v0.0.0-20220114020952-ea68d2dbf5b4
 	github.com/pingcap/tidb/parser v0.0.0-20211011031125-9b13dc409c5e
+<<<<<<< HEAD
 	github.com/pingcap/tipb v0.0.0-20220314125451-bfb5c2c55188
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/client_model v0.2.0
 	github.com/prometheus/common v0.32.1
 	github.com/shirou/gopsutil/v3 v3.21.12
+=======
+	github.com/pingcap/tipb v0.0.0-20230119054146-c6b7a5a1623b
+	github.com/pkg/errors v0.9.1
+	github.com/prometheus/client_golang v1.14.0
+	github.com/prometheus/client_model v0.3.0
+	github.com/prometheus/common v0.39.0
+	github.com/prometheus/prometheus v0.0.0-20190525122359-d20e84d0fb64
+	github.com/sasha-s/go-deadlock v0.0.0-20161201235124-341000892f3d
+	github.com/shirou/gopsutil/v3 v3.22.9
+>>>>>>> efbdeed4ab (json, expression: add json unary not implementation (#40723))
 	github.com/shurcooL/httpgzip v0.0.0-20190720172056-320755c1c1b0
 	github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546 // indirect
 	github.com/soheilhy/cmux v0.1.5

go.sum

@@ -647,8 +647,13 @@ github.com/pingcap/log v1.1.1-0.20221116035753-734d527bc87c h1:crhkw6DD+07Bg1wYh
 github.com/pingcap/log v1.1.1-0.20221116035753-734d527bc87c/go.mod h1:DWQW5jICDR7UJh4HtxXSM20Churx4CQL0fwL/SoOSA4=
 github.com/pingcap/sysutil v0.0.0-20220114020952-ea68d2dbf5b4 h1:HYbcxtnkN3s5tqrZ/z3eJS4j3Db8wMphEm1q10lY/TM=
 github.com/pingcap/sysutil v0.0.0-20220114020952-ea68d2dbf5b4/go.mod h1:sDCsM39cGiv2vwunZkaFA917vVkqDTGSPbbV7z4Oops=
+<<<<<<< HEAD
 github.com/pingcap/tipb v0.0.0-20220314125451-bfb5c2c55188 h1:+46isFI9fR9R+nJVDMI55tCC/TCwp+bvVA4HLGEv1rY=
 github.com/pingcap/tipb v0.0.0-20220314125451-bfb5c2c55188/go.mod h1:A7mrd7WHBl1o63LE2bIBGEJMTNWXqhgmYiOvMLxozfs=
+=======
+github.com/pingcap/tipb v0.0.0-20230119054146-c6b7a5a1623b h1:j5sw2YZY7QfgIFZEoUcn1P5cYflms1PCVVS96i+IQiI=
+github.com/pingcap/tipb v0.0.0-20230119054146-c6b7a5a1623b/go.mod h1:A7mrd7WHBl1o63LE2bIBGEJMTNWXqhgmYiOvMLxozfs=
+>>>>>>> efbdeed4ab (json, expression: add json unary not implementation (#40723))
 github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4 h1:49lOXmGaUpV9Fz3gd7TFZY106KVlPVa5jcYD1gaQf98=
 github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=