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infoschema: load auto id related changes for multi-schema-change diff (…
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,94 @@ | ||
// Copyright 2024 PingCAP, Inc. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
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package infoschema | ||
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import ( | ||
"fmt" | ||
"testing" | ||
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"github.com/pingcap/tidb/meta/autoid" | ||
"github.com/pingcap/tidb/parser/model" | ||
"github.com/stretchr/testify/require" | ||
) | ||
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type mockAlloc struct { | ||
autoid.Allocator | ||
tp autoid.AllocatorType | ||
} | ||
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func (m *mockAlloc) GetType() autoid.AllocatorType { | ||
return m.tp | ||
} | ||
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func TestGetKeptAllocators(t *testing.T) { | ||
checkAllocators := func(allocators autoid.Allocators, expected []autoid.AllocatorType) { | ||
require.Len(t, allocators.Allocs, len(expected)) | ||
for i, tp := range expected { | ||
require.Equal(t, tp, allocators.Allocs[i].GetType()) | ||
} | ||
} | ||
allocators := autoid.Allocators{Allocs: []autoid.Allocator{ | ||
&mockAlloc{tp: autoid.RowIDAllocType}, | ||
&mockAlloc{tp: autoid.AutoIncrementType}, | ||
&mockAlloc{tp: autoid.AutoRandomType}, | ||
}} | ||
cases := []struct { | ||
diff *model.SchemaDiff | ||
expected []autoid.AllocatorType | ||
}{ | ||
{ | ||
diff: &model.SchemaDiff{Type: model.ActionTruncateTable}, | ||
expected: []autoid.AllocatorType{autoid.RowIDAllocType, autoid.AutoIncrementType, autoid.AutoRandomType}, | ||
}, | ||
{ | ||
diff: &model.SchemaDiff{Type: model.ActionRebaseAutoID}, | ||
expected: []autoid.AllocatorType{autoid.AutoRandomType}, | ||
}, | ||
{ | ||
diff: &model.SchemaDiff{Type: model.ActionModifyTableAutoIdCache}, | ||
expected: []autoid.AllocatorType{autoid.AutoRandomType}, | ||
}, | ||
{ | ||
diff: &model.SchemaDiff{Type: model.ActionRebaseAutoRandomBase}, | ||
expected: []autoid.AllocatorType{autoid.RowIDAllocType, autoid.AutoIncrementType}, | ||
}, | ||
{ | ||
diff: &model.SchemaDiff{Type: model.ActionMultiSchemaChange, | ||
SubActionTypes: []model.ActionType{model.ActionAddColumn, model.ActionRebaseAutoID}}, | ||
expected: []autoid.AllocatorType{autoid.AutoRandomType}, | ||
}, | ||
{ | ||
diff: &model.SchemaDiff{Type: model.ActionMultiSchemaChange, | ||
SubActionTypes: []model.ActionType{model.ActionModifyTableAutoIdCache}}, | ||
expected: []autoid.AllocatorType{autoid.AutoRandomType}, | ||
}, | ||
{ | ||
diff: &model.SchemaDiff{Type: model.ActionMultiSchemaChange, | ||
SubActionTypes: []model.ActionType{model.ActionRebaseAutoRandomBase}}, | ||
expected: []autoid.AllocatorType{autoid.RowIDAllocType, autoid.AutoIncrementType}, | ||
}, | ||
{ | ||
diff: &model.SchemaDiff{Type: model.ActionMultiSchemaChange, | ||
SubActionTypes: []model.ActionType{model.ActionAddColumn}}, | ||
expected: []autoid.AllocatorType{autoid.RowIDAllocType, autoid.AutoIncrementType, autoid.AutoRandomType}, | ||
}, | ||
} | ||
for i, c := range cases { | ||
t.Run(fmt.Sprintf("case %d", i), func(t *testing.T) { | ||
res := getKeptAllocators(c.diff, allocators) | ||
checkAllocators(res, c.expected) | ||
}) | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,9 @@ | ||
drop table if exists t; | ||
create table t (a int auto_increment primary key, b int) auto_id_cache = 100; | ||
insert into t(b) values(1); | ||
alter table t modify column b tinyint, auto_increment = 200; | ||
insert into t (b) values (2); | ||
select * from t; | ||
a b | ||
1 1 | ||
200 2 |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,7 @@ | ||
# TestMultiSchemaChangeTableOption | ||
drop table if exists t; | ||
create table t (a int auto_increment primary key, b int) auto_id_cache = 100; | ||
insert into t(b) values(1); | ||
alter table t modify column b tinyint, auto_increment = 200; | ||
insert into t (b) values (2); | ||
select * from t; |