ddl: Disable RENAME COLUMN for partitioning columns | tidb-test=pr/2054

ddl/column_change_test.go

@@ -438,6 +438,15 @@ func testNewContext(store kv.Storage) sessionctx.Context {
 	return ctx
 }
 
+func TestIssue40150(t *testing.T) {
+	store, _ := testkit.CreateMockStoreAndDomain(t)
+	tk := testkit.NewTestKit(t, store)
+	tk.MustExec("use test")
+
+	tk.MustExec("CREATE TABLE t40150 (a int) PARTITION BY HASH (a) PARTITIONS 2")
+	tk.MustContainErrMsg(`alter table t40150 rename column a to c`, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
+}
+
 func TestIssue40135(t *testing.T) {
 	store, dom := testkit.CreateMockStoreAndDomain(t)
 	tk := testkit.NewTestKit(t, store)
@@ -459,5 +468,5 @@ func TestIssue40135(t *testing.T) {
 	dom.DDL().SetHook(hook)
 	tk.MustExec("alter table t40135 modify column a MEDIUMINT NULL DEFAULT '6243108' FIRST")
 
-	require.ErrorContains(t, checkErr, "[ddl:8200]Unsupported modify column: Column 'a' has a partitioning function dependency and cannot be renamed")
+	require.ErrorContains(t, checkErr, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
 }

ddl/column_modify_test.go

@@ -289,7 +289,7 @@ func TestDropColumn(t *testing.T) {
 	tk.MustExec("drop table if exists t1")
 	tk.MustExec("create table t1 (a int,b int) partition by hash(a) partitions 4;")
 	err := tk.ExecToErr("alter table t1 drop column a")
-	require.EqualError(t, err, "[ddl:3885]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
+	require.EqualError(t, err, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
 }
 
 func TestChangeColumn(t *testing.T) {

ddl/db_partition_test.go

@@ -4535,19 +4535,19 @@ func TestAlterModifyColumnOnPartitionedTableRename(t *testing.T) {
 	tk.MustExec("create database " + schemaName)
 	tk.MustExec("use " + schemaName)
 	tk.MustExec(`create table t (a int, b char) partition by range (a) (partition p0 values less than (10))`)
-	tk.MustContainErrMsg(`alter table t change a c int`, "[ddl:8200]Unsupported modify column: Column 'a' has a partitioning function dependency and cannot be renamed")
+	tk.MustContainErrMsg(`alter table t change a c int`, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
 	tk.MustExec(`drop table t`)
 	tk.MustExec(`create table t (a char, b char) partition by range columns (a) (partition p0 values less than ('z'))`)
-	tk.MustContainErrMsg(`alter table t change a c char`, "[ddl:8200]Unsupported modify column: Column 'a' has a partitioning function dependency and cannot be renamed")
+	tk.MustContainErrMsg(`alter table t change a c char`, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
 	tk.MustExec(`drop table t`)
 	tk.MustExec(`create table t (a int, b char) partition by list (a) (partition p0 values in (10))`)
-	tk.MustContainErrMsg(`alter table t change a c int`, "[ddl:8200]Unsupported modify column: Column 'a' has a partitioning function dependency and cannot be renamed")
+	tk.MustContainErrMsg(`alter table t change a c int`, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
 	tk.MustExec(`drop table t`)
 	tk.MustExec(`create table t (a char, b char) partition by list columns (a) (partition p0 values in ('z'))`)
-	tk.MustContainErrMsg(`alter table t change a c char`, "[ddl:8200]Unsupported modify column: Column 'a' has a partitioning function dependency and cannot be renamed")
+	tk.MustContainErrMsg(`alter table t change a c char`, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
 	tk.MustExec(`drop table t`)
 	tk.MustExec(`create table t (a int, b char) partition by hash (a) partitions 3`)
-	tk.MustContainErrMsg(`alter table t change a c int`, "[ddl:8200]Unsupported modify column: Column 'a' has a partitioning function dependency and cannot be renamed")
+	tk.MustContainErrMsg(`alter table t change a c int`, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
 }
 
 func TestDropPartitionKeyColumn(t *testing.T) {
@@ -4560,24 +4560,24 @@ func TestDropPartitionKeyColumn(t *testing.T) {
 	tk.MustExec("create table t1 (a tinyint, b char) partition by range (a) ( partition p0 values less than (10) )")
 	err := tk.ExecToErr("alter table t1 drop column a")
 	require.Error(t, err)
-	require.Equal(t, "[ddl:3885]Column 'a' has a partitioning function dependency and cannot be dropped or renamed", err.Error())
+	require.Equal(t, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed", err.Error())
 	tk.MustExec("alter table t1 drop column b")
 
 	tk.MustExec("create table t2 (a tinyint, b char) partition by range (a-1) ( partition p0 values less than (10) )")
 	err = tk.ExecToErr("alter table t2 drop column a")
 	require.Error(t, err)
-	require.Equal(t, "[ddl:3885]Column 'a' has a partitioning function dependency and cannot be dropped or renamed", err.Error())
+	require.Equal(t, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed", err.Error())
 	tk.MustExec("alter table t2 drop column b")
 
 	tk.MustExec("create table t3 (a tinyint, b char) partition by hash(a) partitions 4;")
 	err = tk.ExecToErr("alter table t3 drop column a")
 	require.Error(t, err)
-	require.Equal(t, "[ddl:3885]Column 'a' has a partitioning function dependency and cannot be dropped or renamed", err.Error())
+	require.Equal(t, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed", err.Error())
 	tk.MustExec("alter table t3 drop column b")
 
 	tk.MustExec("create table t4 (a char, b char) partition by list columns (a) ( partition p0 values in ('0'),  partition p1 values in ('a'), partition p2 values in ('b'));")
 	err = tk.ExecToErr("alter table t4 drop column a")
 	require.Error(t, err)
-	require.Equal(t, "[ddl:3885]Column 'a' has a partitioning function dependency and cannot be dropped or renamed", err.Error())
+	require.Equal(t, "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed", err.Error())
 	tk.MustExec("alter table t4 drop column b")
 }

ddl/db_table_test.go

@@ -871,7 +871,7 @@ func TestDDLWithInvalidTableInfo(t *testing.T) {
 
 	tk.MustExec("create table t (a bigint, b int, c int generated always as (b+1)) partition by hash(a) partitions 4;")
 	// Test drop partition column.
-	tk.MustGetErrMsg("alter table t drop column a;", "[ddl:3885]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
+	tk.MustGetErrMsg("alter table t drop column a;", "[ddl:3855]Column 'a' has a partitioning function dependency and cannot be dropped or renamed")
 	// Test modify column with invalid expression.
 	tk.MustGetErrMsg("alter table t modify column c int GENERATED ALWAYS AS ((case when (a = 0) then 0when (a > 0) then (b / a) end));", "[parser:1064]You have an error in your SQL syntax; check the manual that corresponds to your TiDB version for the right syntax to use line 1 column 97 near \"then (b / a) end));\" ")
 	// Test add column with invalid expression.

ddl/ddl_api.go

@@ -4734,7 +4734,7 @@ func GetModifiableColumnJob(
 			// TODO: update the partitioning columns with new names if column is renamed
 			// Would be an extension from MySQL which does not support it.
 			if col.Name.L != newCol.Name.L {
-				return nil, dbterror.ErrUnsupportedModifyColumn.GenWithStackByArgs(fmt.Sprintf("Column '%s' has a partitioning function dependency and cannot be renamed", col.Name.O))
+				return nil, dbterror.ErrDependentByPartitionFunctional.GenWithStackByArgs(col.Name.L)
 			}
 			if !isColTypeAllowedAsPartitioningCol(newCol.FieldType) {
 				return nil, dbterror.ErrNotAllowedTypeInPartition.GenWithStackByArgs(newCol.Name.O)
@@ -5110,6 +5110,11 @@ func (d *ddl) RenameColumn(ctx sessionctx.Context, ident ast.Ident, spec *ast.Al
 		}
 	}
 
+	err = checkDropColumnWithPartitionConstraint(tbl, oldColName)
+	if err != nil {
+		return errors.Trace(err)
+	}
+
 	tzName, tzOffset := ddlutil.GetTimeZone(ctx)
 
 	newCol := oldCol.Clone()

errno/errcode.go

@@ -915,7 +915,7 @@ const (
 	ErrFunctionalIndexRowValueIsNotAllowed                   = 3800
 	ErrDependentByFunctionalIndex                            = 3837
 	ErrCannotConvertString                                   = 3854
-	ErrDependentByPartitionFunctional                        = 3885
+	ErrDependentByPartitionFunctional                        = 3855
 	ErrInvalidJSONValueForFuncIndex                          = 3903
 	ErrJSONValueOutOfRangeForFuncIndex                       = 3904
 	ErrFunctionalIndexDataIsTooLong                          = 3907

errors.toml

@@ -1176,7 +1176,7 @@ error = '''
 Column '%s' has an expression index dependency and cannot be dropped or renamed
 '''
 
-["ddl:3885"]
+["ddl:3855"]
 error = '''
 Column '%s' has a partitioning function dependency and cannot be dropped or renamed
 '''

parser/mysql/errcode.go

@@ -944,7 +944,6 @@ const (
 	ErrFKIncompatibleColumns                                 = 3780
 	ErrFunctionalIndexRowValueIsNotAllowed                   = 3800
 	ErrDependentByFunctionalIndex                            = 3837
-	ErrDependentByPartitionFunctional                        = 3885
 	ErrInvalidJsonValueForFuncIndex                          = 3903 //nolint: revive
 	ErrJsonValueOutOfRangeForFuncIndex                       = 3904 //nolint: revive
 	ErrFunctionalIndexDataIsTooLong                          = 3907

parser/mysql/errname.go

@@ -956,7 +956,6 @@ var MySQLErrName = map[uint16]*ErrMessage{
 	ErrJsonValueOutOfRangeForFuncIndex:                       Message("Out of range JSON value for CAST for functional index '%s'", nil),
 	ErrFunctionalIndexDataIsTooLong:                          Message("Data too long for functional index '%s'", nil),
 	ErrFunctionalIndexNotApplicable:                          Message("Cannot use functional index '%s' due to type or collation conversion", nil),
-	ErrDependentByPartitionFunctional:                        Message("Column '%s' has a partitioning function dependency and cannot be dropped or renamed", nil),
 
 	// MariaDB errors.
 	ErrOnlyOneDefaultPartionAllowed:         Message("Only one DEFAULT partition allowed", nil),