*: prepare errors for CTE (#24763)

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)
 )