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drainer: Bugfix, should handle ActionModifySchemaCharsetAndCollate co… #772

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drainer: Bugfix, should handle ActionModifySchemaCharsetAndCollate co… #772

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12 changes: 12 additions & 0 deletions drainer/schema.go
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Original file line number Diff line number Diff line change
Expand Up @@ -289,6 +289,18 @@ func (s *Schema) handleDDL(job *model.Job) (schemaName string, tableName string,
s.currentVersion = job.BinlogInfo.SchemaVersion
schemaName = schema.Name.O

case model.ActionModifySchemaCharsetAndCollate:
db := job.BinlogInfo.DBInfo
if _, ok := s.schemas[db.ID]; !ok {
return "", "", "", errors.NotFoundf("schema %s(%d)", db.Name, db.ID)
}

s.schemas[db.ID] = db
s.schemaNameToID[db.Name.O] = db.ID
s.version2SchemaTable[job.BinlogInfo.SchemaVersion] = TableName{Schema: db.Name.O, Table: ""}
s.currentVersion = job.BinlogInfo.SchemaVersion
schemaName = db.Name.O

case model.ActionDropSchema:
schemaName, err = s.DropSchema(job.SchemaID)
if err != nil {
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1 change: 1 addition & 0 deletions drainer/schema_test.go
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Expand Up @@ -327,6 +327,7 @@ func (t *schemaSuite) TestHandleDDL(c *C) {
tableName string
}{
{name: "createSchema", jobID: 3, schemaID: 2, tableID: 0, jobType: model.ActionCreateSchema, binlogInfo: &model.HistoryInfo{SchemaVersion: 1, DBInfo: dbInfo, TableInfo: nil, FinishedTS: 123}, query: "create database Test", resultQuery: "create database Test", schemaName: dbInfo.Name.O, tableName: ""},
{name: "updateSchema", jobID: 4, schemaID: 2, tableID: 0, jobType: model.ActionModifySchemaCharsetAndCollate, binlogInfo: &model.HistoryInfo{SchemaVersion: 8, DBInfo: dbInfo, TableInfo: nil, FinishedTS: 123}, query: "ALTER DATABASE Test CHARACTER SET utf8mb4;", resultQuery: "ALTER DATABASE Test CHARACTER SET utf8mb4;", schemaName: dbInfo.Name.O},
{name: "createTable", jobID: 7, schemaID: 2, tableID: 6, jobType: model.ActionCreateTable, binlogInfo: &model.HistoryInfo{SchemaVersion: 3, DBInfo: nil, TableInfo: tblInfo, FinishedTS: 123}, query: "create table T(id int);", resultQuery: "create table T(id int);", schemaName: dbInfo.Name.O, tableName: tblInfo.Name.O},
{name: "addColumn", jobID: 9, schemaID: 2, tableID: 6, jobType: model.ActionAddColumn, binlogInfo: &model.HistoryInfo{SchemaVersion: 4, DBInfo: nil, TableInfo: tblInfo, FinishedTS: 123}, query: "alter table T add a varchar(45);", resultQuery: "alter table T add a varchar(45);", schemaName: dbInfo.Name.O, tableName: tblInfo.Name.O},
{name: "truncateTable", jobID: 10, schemaID: 2, tableID: 6, jobType: model.ActionTruncateTable, binlogInfo: &model.HistoryInfo{SchemaVersion: 5, DBInfo: nil, TableInfo: tblInfo, FinishedTS: 123}, query: "truncate table T;", resultQuery: "truncate table T;", schemaName: dbInfo.Name.O, tableName: tblInfo.Name.O},
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13 changes: 13 additions & 0 deletions tests/dailytest/case.go
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Expand Up @@ -164,6 +164,16 @@ var caseRecoverAndInsertClean = []string{`
`,
}

var (
caseAlterDatabase = []string{
`CREATE DATABASE to_be_altered CHARACTER SET utf8;`,
`ALTER DATABASE to_be_altered CHARACTER SET utf8mb4;`,
}
caseAlterDatabaseClean = []string{
`DROP DATABASE to_be_altered;`,
}
)

type testRunner struct {
src *sql.DB
dst *sql.DB
Expand Down Expand Up @@ -195,6 +205,9 @@ func RunCase(src *sql.DB, dst *sql.DB, schema string) {
tr.execSQLs(caseUKWithNoPK)
tr.execSQLs(caseUKWithNoPKClean)

tr.execSQLs(caseAlterDatabase)
tr.execSQLs(caseAlterDatabaseClean)

// run casePKAddDuplicateUK
tr.run(func(src *sql.DB) {
err := execSQLs(src, casePKAddDuplicateUK)
Expand Down