expression: fix the arg verification for json functions. (pingcap#54145)

close pingcap#54029, close pingcap#54044

Author: YangKeao

mysql/errcode.go

@@ -898,6 +898,7 @@ const (
 	ErrInvalidJSONText                                       = 3140
 	ErrInvalidJSONTextInParam                                = 3141
 	ErrInvalidJSONPath                                       = 3143
+	ErrInvalidJSONCharset                                    = 3144
 	ErrInvalidTypeForJSON                                    = 3146
 	ErrInvalidJSONPathWildcard                               = 3149
 	ErrInvalidJSONContainsPathType                           = 3150

mysql/errname.go

@@ -907,6 +907,7 @@ var MySQLErrName = map[uint16]*ErrMessage{
 	ErrInvalidJSONText:                                       Message("Invalid JSON text: %-.192s", nil),
 	ErrInvalidJSONTextInParam:                                Message("Invalid JSON text in argument %d to function %s: \"%s\" at position %d.", nil),
 	ErrInvalidJSONPath:                                       Message("Invalid JSON path expression %s.", nil),
+	ErrInvalidJSONCharset:                                    Message("Cannot create a JSON value from a string with CHARACTER SET '%s'.", nil),
 	ErrInvalidTypeForJSON:                                    Message("Invalid data type for JSON data in argument %d to function %s; a JSON string or JSON type is required.", nil),
 	ErrInvalidJSONPathWildcard:                               Message("In this situation, path expressions may not contain the * and ** tokens or an array range.", nil),
 	ErrInvalidJSONContainsPathType:                           Message("The second argument can only be either 'one' or 'all'.", nil),

mysql/state.go

@@ -254,6 +254,7 @@ var MySQLState = map[uint16]string{
 	ErrInvalidJSONText:                     "22032",
 	ErrInvalidJSONTextInParam:              "22032",
 	ErrInvalidJSONPath:                     "42000",
+	ErrInvalidJSONCharset:                  "22032",
 	ErrInvalidJSONData:                     "22032",
 	ErrInvalidJSONPathWildcard:             "42000",
 	ErrJSONUsedAsKey:                       "42000",