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// Copyright 2018 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 testutil
import (
"context"
"github.com/pingcap/check"
"github.com/pingcap/errors"
"github.com/pingcap/parser/model"
"github.com/pingcap/tidb/domain"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/session"
"github.com/pingcap/tidb/table"
"github.com/pingcap/tidb/types"
)
// SessionExecInGoroutine export for testing.
func SessionExecInGoroutine(c *check.C, s kv.Storage, sql string, done chan error) {
ExecMultiSQLInGoroutine(c, s, "test_db", []string{sql}, done)
}
// ExecMultiSQLInGoroutine exports for testing.
func ExecMultiSQLInGoroutine(c *check.C, s kv.Storage, dbName string, multiSQL []string, done chan error) {
go func() {
se, err := session.CreateSession4Test(s)
if err != nil {
done <- errors.Trace(err)
return
}
defer se.Close()
_, err = se.Execute(context.Background(), "use "+dbName)
if err != nil {
done <- errors.Trace(err)
return
}
for _, sql := range multiSQL {
rs, err := se.Execute(context.Background(), sql)
if err != nil {
done <- errors.Trace(err)
return
}
if rs != nil {
done <- errors.Errorf("RecordSet should be empty.")
return
}
done <- nil
}
}()
}
// ExtractAllTableHandles extracts all handles of a given table.
func ExtractAllTableHandles(se session.Session, dbName, tbName string) ([]int64, error) {
dom := domain.GetDomain(se)
tbl, err := dom.InfoSchema().TableByName(model.NewCIStr(dbName), model.NewCIStr(tbName))
if err != nil {
return nil, err
}
err = se.NewTxn(context.Background())
if err != nil {
return nil, err
}
var allHandles []int64
err = tbl.IterRecords(se, tbl.FirstKey(), nil,
func(h int64, _ []types.Datum, _ []*table.Column) (more bool, err error) {
allHandles = append(allHandles, h)
return true, nil
})
return allHandles, err
}