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pingcap · Dec 13, 2022 · 10eca87 · 10eca87
1 parent 5de1949
commit 10eca87
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/planner/core/cbo_test.go b/planner/core/cbo_test.go
@@ -62,18 +62,27 @@ func TestExplainCostTrace(t *testing.T) {
 	tk := testkit.NewTestKit(t, store)
 	tk.MustExec("use test")
 	tk.MustExec("create table t (a int)")
+	tk.MustExec("insert into t values (1)")
 
 	tk.MustExec("set tidb_cost_model_version=2")
 	tk.MustQuery("explain format='cost_trace' select * from t").Check(testkit.Rows(
 		`TableReader_5 10000.00 177906.67 ((scan(10000*logrowsize(32)*tikv_scan_factor(40.7))) + (net(10000*rowsize(16)*tidb_kv_net_factor(3.96))))/15.00 root  data:TableFullScan_4`,
 		`└─TableFullScan_4 10000.00 2035000.00 scan(10000*logrowsize(32)*tikv_scan_factor(40.7)) cop[tikv] table:t keep order:false, stats:pseudo`))
+	tk.MustQuery("explain analyze format='cost_trace' select * from t").CheckAt([]int{0, 1, 2, 3, 4}, [][]interface{}{
+		{"TableReader_5", "10000.00", "177906.67", "((scan(10000*logrowsize(32)*tikv_scan_factor(40.7))) + (net(10000*rowsize(16)*tidb_kv_net_factor(3.96))))/15.00", "1"},
+		{"└─TableFullScan_4", "10000.00", "2035000.00", "scan(10000*logrowsize(32)*tikv_scan_factor(40.7))", "1"},
+	})
 
 	tk.MustExec("set tidb_cost_model_version=1")
 	tk.MustQuery("explain format='cost_trace' select * from t").Check(testkit.Rows(
 		// cost trace on model ver1 is not supported
 		`TableReader_5 10000.00 34418.00 N/A root  data:TableFullScan_4`,
 		`└─TableFullScan_4 10000.00 435000.00 N/A cop[tikv] table:t keep order:false, stats:pseudo`,
 	))
+	tk.MustQuery("explain analyze format='cost_trace' select * from t").CheckAt([]int{0, 1, 2, 3, 4}, [][]interface{}{
+		{"TableReader_5", "10000.00", "34418.00", "N/A", "1"},
+		{"└─TableFullScan_4", "10000.00", "435000.00", "N/A", "1"},
+	})
 }
 
 func TestExplainAnalyze(t *testing.T) {