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Use table info #231

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merged 8 commits into from
Apr 11, 2020
Merged

Use table info #231

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fe4343f
create with info during incremental restore
3pointer Apr 8, 2020
7e7feed
add test
3pointer Apr 8, 2020
87f841c
fix log
3pointer Apr 8, 2020
cc98e8b
address comment
3pointer Apr 8, 2020
f976e41
fix ci
3pointer Apr 9, 2020
6b13f1d
address commemnt
3pointer Apr 10, 2020
85bab03
Merge branch 'master' into use_table_info
3pointer Apr 10, 2020
ff642ba
Merge branch 'master' into use_table_info
3pointer Apr 11, 2020
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22 changes: 21 additions & 1 deletion pkg/restore/db.go
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,27 @@ func NewDB(g glue.Glue, store kv.Storage) (*DB, error) {
// ExecDDL executes the query of a ddl job.
func (db *DB) ExecDDL(ctx context.Context, ddlJob *model.Job) error {
var err error
if ddlJob.BinlogInfo.TableInfo != nil {
tableInfo := ddlJob.BinlogInfo.TableInfo
dbInfo := ddlJob.BinlogInfo.DBInfo
switch ddlJob.Type {
case model.ActionCreateSchema:
err = db.se.CreateDatabase(ctx, dbInfo)
if err != nil {
log.Error("create database failed", zap.Stringer("db", dbInfo.Name), zap.Error(err))
}
return errors.Trace(err)
case model.ActionCreateTable:
err = db.se.CreateTable(ctx, model.NewCIStr(ddlJob.SchemaName), tableInfo)
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if err != nil {
log.Error("create table failed",
zap.Stringer("db", dbInfo.Name),
zap.Stringer("table", tableInfo.Name),
zap.Error(err))
}
return errors.Trace(err)
}

if tableInfo != nil {
switchDbSQL := fmt.Sprintf("use %s;", utils.EncloseName(ddlJob.SchemaName))
err = db.se.Execute(ctx, switchDbSQL)
if err != nil {
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4 changes: 4 additions & 0 deletions pkg/task/restore.go
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Expand Up @@ -471,6 +471,10 @@ func enableTiDBConfig() {
conf.MaxIndexLength = config.DefMaxOfMaxIndexLength
log.Warn("set max-index-length to max(3072*4) to skip check index length in DDL")

// we need set this to true, since all create table DDLs will create with tableInfo
// and we can handle alter drop pk/add pk DDLs with no impact
conf.AlterPrimaryKey = true

// set this to true for some auto random DDL execute normally during incremental restore
conf.Experimental.AllowAutoRandom = true
conf.Experimental.AllowsExpressionIndex = true
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13 changes: 13 additions & 0 deletions tests/br_incompatible_tidb_config/run.sh
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Expand Up @@ -29,17 +29,30 @@ run_sql "create schema $DB;"

# test alter pk issue https://github.com/pingcap/br/issues/215
TABLE="t1"
INCREMENTAL_TABLE="t1inc"

run_sql "create table $DB.$TABLE (a int primary key, b int unique);"
run_sql "insert into $DB.$TABLE values (42, 42);"

# backup
run_br --pd $PD_ADDR backup db --db "$DB" -s "local://$TEST_DIR/$DB$TABLE"

run_sql "create table $DB.$INCREMENTAL_TABLE (a int primary key, b int unique);"
run_sql "insert into $DB.$INCREMENTAL_TABLE values (42, 42);"
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please include a test case for CREATE TABLE … LIKE.

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okay, add test case below


# drop pk
run_sql "alter table $DB.$INCREMENTAL_TABLE drop primary key"

# incremental backup
run_br --pd $PD_ADDR backup db --db "$DB" -s "local://$TEST_DIR/$DB$INCREMENTAL_TABLE"
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# restore
run_sql "drop schema $DB;"

run_br --pd $PD_ADDR restore db --db "$DB" -s "local://$TEST_DIR/$DB$TABLE"

run_br --pd $PD_ADDR restore db --db "$DB" -s "local://$TEST_DIR/$DB$INCREMENTAL_TABLE"

run_sql "drop schema $DB;"
run_sql "create schema $DB;"

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