*: prepare errors for CTE

errno/errcode.go

@@ -855,6 +855,11 @@ const (
 	ErrGrantRole                                             = 3523
 	ErrRoleNotGranted                                        = 3530
 	ErrLockAcquireFailAndNoWaitSet                           = 3572
+	ErrCTERecursiveRequiresUnion                             = 3573
+	ErrCTERecursiveRequiresNonRecursiveFirst                 = 3574
+	ErrCTERecursiveForbidsAggregation                        = 3575
+	ErrCTERecursiveForbiddenJoinOrder                        = 3576
+	ErrInvalidRequiresSingleReference                        = 3577
 	ErrWindowNoSuchWindow                                    = 3579
 	ErrWindowCircularityInWindowGraph                        = 3580
 	ErrWindowNoChildPartitioning                             = 3581
@@ -877,6 +882,7 @@ const (
 	ErrWindowExplainJSON                                     = 3598
 	ErrWindowFunctionIgnoresFrame                            = 3599
 	ErrIllegalPrivilegeLevel                                 = 3619
+	ErrCTEMaxRecursionDepth                                  = 3636
 	ErrNotHintUpdatable                                      = 3637
 	ErrDataTruncatedFunctionalIndex                          = 3751
 	ErrDataOutOfRangeFunctionalIndex                         = 3752

errno/errname.go

@@ -355,7 +355,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{
 	ErrViewSelectClause:                         mysql.Message("View's SELECT contains a '%s' clause", nil),
 	ErrViewSelectVariable:                       mysql.Message("View's SELECT contains a variable or parameter", nil),
 	ErrViewSelectTmptable:                       mysql.Message("View's SELECT refers to a temporary table '%-.192s'", nil),
-	ErrViewWrongList:                            mysql.Message("View's SELECT and view's field list have different column counts", nil),
+	ErrViewWrongList:                            mysql.Message("In definition of view, derived table or common table expression, SELECT list and column names list have different column counts", nil),
 	ErrWarnViewMerge:                            mysql.Message("View merge algorithm can't be used here for now (assumed undefined algorithm)", nil),
 	ErrWarnViewWithoutKey:                       mysql.Message("View being updated does not have complete key of underlying table in it", nil),
 	ErrViewInvalid:                              mysql.Message("View '%-.192s.%-.192s' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them", nil),
@@ -902,6 +902,12 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{
 	ErrUnsupportedConstraintCheck:                            mysql.Message("%s is not supported", nil),
 	ErrDynamicPrivilegeNotRegistered:                         mysql.Message("Dynamic privilege '%s' is not registered with the server.", nil),
 	ErrIllegalPrivilegeLevel:                                 mysql.Message("Illegal privilege level specified for %s", nil),
+	ErrCTERecursiveRequiresUnion:                             mysql.Message("Recursive Common Table Expression '%s' should contain a UNION", nil),
+	ErrCTERecursiveRequiresNonRecursiveFirst:                 mysql.Message("Recursive Common Table Expression '%s' should have one or more non-recursive query blocks followed by one or more recursive ones", nil),
+	ErrCTERecursiveForbidsAggregation:                        mysql.Message("Recursive Common Table Expression '%s' can contain neither aggregation nor window functions in recursive query block", nil),
+	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),
 	// MariaDB errors.
 	ErrOnlyOneDefaultPartionAllowed:         mysql.Message("Only one DEFAULT partition allowed", nil),
 	ErrWrongPartitionTypeExpectedSystemTime: mysql.Message("Wrong partitioning type, expected type: `SYSTEM_TIME`", nil),

errors.toml

@@ -193,7 +193,7 @@ View's SELECT contains a '%s' clause
 
 ["ddl:1353"]
 error = '''
-View's SELECT and view's field list have different column counts
+In definition of view, derived table or common table expression, SELECT list and column names list have different column counts
 '''
 
 ["ddl:1481"]
@@ -561,6 +561,11 @@ error = '''
 Illegal privilege level specified for %s
 '''
 
+["executor:3636"]
+error = '''
+Recursive query aborted after %d iterations. Try increasing @@cte_max_recursion_depth to a larger value
+'''
+
 ["executor:3929"]
 error = '''
 Dynamic privilege '%s' is not registered with the server.
@@ -1016,6 +1021,31 @@ error = '''
 Unresolved name '%s' for %s hint
 '''
 
+["planner:3573"]
+error = '''
+Recursive Common Table Expression '%s' should contain a UNION
+'''
+
+["planner:3574"]
+error = '''
+Recursive Common Table Expression '%s' should have one or more non-recursive query blocks followed by one or more recursive ones
+'''
+
+["planner:3575"]
+error = '''
+Recursive Common Table Expression '%s' can contain neither aggregation nor window functions in recursive query block
+'''
+
+["planner:3576"]
+error = '''
+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
+'''
+
+["planner:3577"]
+error = '''
+In recursive query block of Recursive Common Table Expression '%s', the recursive table must be referenced only once, and not in any subquery
+'''
+
 ["planner:3579"]
 error = '''
 Window name '%s' is not defined.

executor/errors.go

@@ -50,8 +50,9 @@ var (
 	ErrIllegalPrivilegeLevel         = dbterror.ClassExecutor.NewStd(mysql.ErrIllegalPrivilegeLevel)
 	ErrInvalidSplitRegionRanges      = dbterror.ClassExecutor.NewStd(mysql.ErrInvalidSplitRegionRanges)
 
-	ErrBRIEBackupFailed  = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEBackupFailed)
-	ErrBRIERestoreFailed = dbterror.ClassExecutor.NewStd(mysql.ErrBRIERestoreFailed)
-	ErrBRIEImportFailed  = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEImportFailed)
-	ErrBRIEExportFailed  = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEExportFailed)
+	ErrBRIEBackupFailed     = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEBackupFailed)
+	ErrBRIERestoreFailed    = dbterror.ClassExecutor.NewStd(mysql.ErrBRIERestoreFailed)
+	ErrBRIEImportFailed     = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEImportFailed)
+	ErrBRIEExportFailed     = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEExportFailed)
+	ErrCTEMaxRecursionDepth = dbterror.ClassExecutor.NewStd(mysql.ErrCTEMaxRecursionDepth)
 )