util/stmtsummary: remove import package tikv (#24776)

util/stmtsummary/statement_summary_test.go

@@ -27,10 +27,10 @@ import (
 	"github.com/pingcap/parser/mysql"
 	"github.com/pingcap/tidb/config"
 	"github.com/pingcap/tidb/sessionctx/stmtctx"
-	"github.com/pingcap/tidb/store/tikv"
 	"github.com/pingcap/tidb/store/tikv/util"
 	"github.com/pingcap/tidb/types"
 	"github.com/pingcap/tidb/util/execdetails"
+	"github.com/pingcap/tidb/util/stringutil"
 )
 
 var _ = Suite(&testStmtSummarySuite{})
@@ -62,6 +62,10 @@ func TestT(t *testing.T) {
 	TestingT(t)
 }
 
+const (
+	boTxnLockName = stringutil.StringerStr("txnlock")
+)
+
 // Test stmtSummaryByDigest.AddStatement.
 func (s *testStmtSummarySuite) TestAddStatement(c *C) {
 	s.ssMap.Clear()
@@ -192,7 +196,7 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) {
 					sync.Mutex
 					BackoffTypes []fmt.Stringer
 				}{
-					BackoffTypes: []fmt.Stringer{tikv.BoTxnLock()},
+					BackoffTypes: []fmt.Stringer{boTxnLockName},
 				},
 				ResolveLockTime:   10000,
 				WriteKeys:         100000,
@@ -268,7 +272,7 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) {
 	expectedSummaryElement.sumTxnRetry += int64(stmtExecInfo2.ExecDetail.CommitDetail.TxnRetry)
 	expectedSummaryElement.maxTxnRetry = stmtExecInfo2.ExecDetail.CommitDetail.TxnRetry
 	expectedSummaryElement.sumBackoffTimes += 1
-	expectedSummaryElement.backoffTypes[tikv.BoTxnLock()] = 1
+	expectedSummaryElement.backoffTypes[boTxnLockName] = 1
 	expectedSummaryElement.sumMem += stmtExecInfo2.MemMax
 	expectedSummaryElement.maxMem = stmtExecInfo2.MemMax
 	expectedSummaryElement.sumDisk += stmtExecInfo2.DiskMax
@@ -319,7 +323,7 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) {
 					sync.Mutex
 					BackoffTypes []fmt.Stringer
 				}{
-					BackoffTypes: []fmt.Stringer{tikv.BoTxnLock()},
+					BackoffTypes: []fmt.Stringer{boTxnLockName},
 				},
 				ResolveLockTime:   1000,
 				WriteKeys:         10000,
@@ -374,7 +378,7 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) {
 	expectedSummaryElement.sumPrewriteRegionNum += int64(stmtExecInfo3.ExecDetail.CommitDetail.PrewriteRegionNum)
 	expectedSummaryElement.sumTxnRetry += int64(stmtExecInfo3.ExecDetail.CommitDetail.TxnRetry)
 	expectedSummaryElement.sumBackoffTimes += 1
-	expectedSummaryElement.backoffTypes[tikv.BoTxnLock()] = 2
+	expectedSummaryElement.backoffTypes[boTxnLockName] = 2
 	expectedSummaryElement.sumMem += stmtExecInfo3.MemMax
 	expectedSummaryElement.sumDisk += stmtExecInfo3.DiskMax
 	expectedSummaryElement.sumAffectedRows += stmtExecInfo3.StmtCtx.AffectedRows()
@@ -575,7 +579,7 @@ func generateAnyExecInfo() *StmtExecInfo {
 					sync.Mutex
 					BackoffTypes []fmt.Stringer
 				}{
-					BackoffTypes: []fmt.Stringer{tikv.BoTxnLock()},
+					BackoffTypes: []fmt.Stringer{boTxnLockName},
 				},
 				ResolveLockTime:   2000,
 				WriteKeys:         20000,
@@ -650,7 +654,7 @@ func (s *testStmtSummarySuite) TestToDatum(c *C) {
 		stmtExecInfo1.ExecDetail.CommitDetail.WriteSize, stmtExecInfo1.ExecDetail.CommitDetail.WriteSize,
 		stmtExecInfo1.ExecDetail.CommitDetail.PrewriteRegionNum, stmtExecInfo1.ExecDetail.CommitDetail.PrewriteRegionNum,
 		stmtExecInfo1.ExecDetail.CommitDetail.TxnRetry, stmtExecInfo1.ExecDetail.CommitDetail.TxnRetry, 0, 0, 1,
-		"txnLock:1", stmtExecInfo1.MemMax, stmtExecInfo1.MemMax, stmtExecInfo1.DiskMax, stmtExecInfo1.DiskMax,
+		fmt.Sprintf("%s:1", boTxnLockName), stmtExecInfo1.MemMax, stmtExecInfo1.MemMax, stmtExecInfo1.DiskMax, stmtExecInfo1.DiskMax,
 		0, 0, 0, 0, 0, stmtExecInfo1.StmtCtx.AffectedRows(),
 		t, t, 0, 0, 0, stmtExecInfo1.OriginalSQL, stmtExecInfo1.PrevSQL, "plan_digest", ""}
 	match(c, datums[0], expectedDatum...)
@@ -959,12 +963,13 @@ func (s *testStmtSummarySuite) TestGetMoreThanOnceBindableStmt(c *C) {
 func (s *testStmtSummarySuite) TestFormatBackoffTypes(c *C) {
 	backoffMap := make(map[fmt.Stringer]int)
 	c.Assert(formatBackoffTypes(backoffMap), IsNil)
+	bo1 := stringutil.StringerStr("pdrpc")
+	backoffMap[bo1] = 1
+	c.Assert(formatBackoffTypes(backoffMap), Equals, "pdrpc:1")
+	bo2 := stringutil.StringerStr("txnlock")
+	backoffMap[bo2] = 2
 
-	backoffMap[tikv.BoPDRPC()] = 1
-	c.Assert(formatBackoffTypes(backoffMap), Equals, "pdRPC:1")
-
-	backoffMap[tikv.BoTxnLock()] = 2
-	c.Assert(formatBackoffTypes(backoffMap), Equals, "txnLock:2,pdRPC:1")
+	c.Assert(formatBackoffTypes(backoffMap), Equals, "txnlock:2,pdrpc:1")
 }
 
 // Test refreshing current statement summary periodically.