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mysql(ticdc): consider collation when build the causality key (pingca…
…p#9534) close pingcap#9533
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| // Copyright 2022 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package txn | ||
|
|
||
| import ( | ||
| "sort" | ||
| "testing" | ||
|
|
||
| "github.com/pingcap/tidb/parser/mysql" | ||
| "github.com/pingcap/tiflow/cdc/model" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestGenKeyListCaseInSensitive(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| columns := []*model.Column{ | ||
| { | ||
| Value: "XyZ", | ||
| Type: mysql.TypeVarchar, | ||
| Collation: "utf8_unicode_ci", | ||
| }, | ||
| } | ||
|
|
||
| first := genKeyList(columns, 0, []int{0}, 1) | ||
|
|
||
| columns = []*model.Column{ | ||
| { | ||
| Value: "xYZ", | ||
| Type: mysql.TypeVarchar, | ||
| Collation: "utf8_unicode_ci", | ||
| }, | ||
| } | ||
| second := genKeyList(columns, 0, []int{0}, 1) | ||
|
|
||
| require.Equal(t, first, second) | ||
| } | ||
|
|
||
| func TestGenKeys(t *testing.T) { | ||
| t.Parallel() | ||
| testCases := []struct { | ||
| txn *model.SingleTableTxn | ||
| expected []uint64 | ||
| }{{ | ||
| txn: &model.SingleTableTxn{}, | ||
| expected: nil, | ||
| }, { | ||
| txn: &model.SingleTableTxn{ | ||
| Rows: []*model.RowChangedEvent{ | ||
| { | ||
| StartTs: 418658114257813514, | ||
| CommitTs: 418658114257813515, | ||
| Table: &model.TableName{Schema: "common_1", Table: "uk_without_pk", TableID: 47}, | ||
| PreColumns: []*model.Column{ | ||
| nil, | ||
| { | ||
| Name: "a1", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.MultipleKeyFlag | model.HandleKeyFlag, | ||
| Value: 12, | ||
| }, | ||
| { | ||
| Name: "a3", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.MultipleKeyFlag | model.HandleKeyFlag, | ||
| Value: 1, | ||
| }, | ||
| }, | ||
| IndexColumns: [][]int{{1, 2}}, | ||
| }, { | ||
| StartTs: 418658114257813514, | ||
| CommitTs: 418658114257813515, | ||
| Table: &model.TableName{Schema: "common_1", Table: "uk_without_pk", TableID: 47}, | ||
| PreColumns: []*model.Column{ | ||
| nil, | ||
| { | ||
| Name: "a1", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.MultipleKeyFlag | model.HandleKeyFlag, | ||
| Value: 1, | ||
| }, | ||
| { | ||
| Name: "a3", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.MultipleKeyFlag | model.HandleKeyFlag, | ||
| Value: 21, | ||
| }, | ||
| }, | ||
| IndexColumns: [][]int{{1, 2}}, | ||
| }, | ||
| }, | ||
| }, | ||
| expected: []uint64{2072713494, 3710968706}, | ||
| }, { | ||
| txn: &model.SingleTableTxn{ | ||
| Rows: []*model.RowChangedEvent{ | ||
| { | ||
| StartTs: 418658114257813514, | ||
| CommitTs: 418658114257813515, | ||
| Table: &model.TableName{Schema: "common_1", Table: "uk_without_pk", TableID: 47}, | ||
| PreColumns: []*model.Column{ | ||
| nil, | ||
| { | ||
| Name: "a1", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.HandleKeyFlag, | ||
| Value: 12, | ||
| }, | ||
| { | ||
| Name: "a3", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.HandleKeyFlag, | ||
| Value: 1, | ||
| }, | ||
| }, | ||
| IndexColumns: [][]int{{1}, {2}}, | ||
| }, { | ||
| StartTs: 418658114257813514, | ||
| CommitTs: 418658114257813515, | ||
| Table: &model.TableName{Schema: "common_1", Table: "uk_without_pk", TableID: 47}, | ||
| PreColumns: []*model.Column{ | ||
| nil, | ||
| { | ||
| Name: "a1", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.HandleKeyFlag, | ||
| Value: 1, | ||
| }, | ||
| { | ||
| Name: "a3", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.HandleKeyFlag, | ||
| Value: 21, | ||
| }, | ||
| }, | ||
| IndexColumns: [][]int{{1}, {2}}, | ||
| }, | ||
| }, | ||
| }, | ||
| expected: []uint64{318190470, 2109733718, 2658640457, 2989258527}, | ||
| }, { | ||
| txn: &model.SingleTableTxn{ | ||
| Rows: []*model.RowChangedEvent{ | ||
| { | ||
| StartTs: 418658114257813514, | ||
| CommitTs: 418658114257813515, | ||
| Table: &model.TableName{Schema: "common_1", Table: "uk_without_pk", TableID: 47}, | ||
| PreColumns: []*model.Column{ | ||
| nil, | ||
| { | ||
| Name: "a1", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.NullableFlag, | ||
| Value: nil, | ||
| }, | ||
| { | ||
| Name: "a3", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.NullableFlag, | ||
| Value: nil, | ||
| }, | ||
| }, | ||
| IndexColumns: [][]int{{1}, {2}}, | ||
| }, { | ||
| StartTs: 418658114257813514, | ||
| CommitTs: 418658114257813515, | ||
| Table: &model.TableName{Schema: "common_1", Table: "uk_without_pk", TableID: 47}, | ||
| PreColumns: []*model.Column{ | ||
| nil, | ||
| { | ||
| Name: "a1", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.HandleKeyFlag, | ||
| Value: 1, | ||
| }, | ||
| { | ||
| Name: "a3", | ||
| Type: mysql.TypeLong, | ||
| Flag: model.BinaryFlag | model.HandleKeyFlag, | ||
| Value: 21, | ||
| }, | ||
| }, | ||
| IndexColumns: [][]int{{1}, {2}}, | ||
| }, | ||
| }, | ||
| }, | ||
| expected: []uint64{318190470, 2095136920, 2658640457}, | ||
| }} | ||
| for _, tc := range testCases { | ||
| keys := genTxnKeys(tc.txn) | ||
| sort.Slice(keys, func(i, j int) bool { return keys[i] < keys[j] }) | ||
| require.Equal(t, tc.expected, keys) | ||
| } | ||
| } |
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