executor: close recordset again

.bazelrc

@@ -1,4 +1,4 @@
-startup --host_jvm_args=-Xmx5g
+startup --host_jvm_args=-Xmx8g
 startup --unlimit_coredumps
 
 run:ci --color=yes

ddl/sequence_test.go

@@ -62,8 +62,7 @@ func TestCreateSequence(t *testing.T) {
 	// test unsupported table option in sequence.
 	tk.MustGetErrCode("create sequence seq CHARSET=utf8", mysql.ErrSequenceUnsupportedTableOption)
 
-	_, err := tk.Exec("create sequence seq comment=\"test\"")
-	require.NoError(t, err)
+	tk.MustExec("create sequence seq comment=\"test\"")
 
 	sequenceTable := external.GetTableByName(t, tk, "test", "seq")
 

executor/admin_test.go

@@ -133,7 +133,7 @@ func TestAdminCheckIndexInLocalTemporaryMode(t *testing.T) {
 	tk.MustExec("drop table if exists local_temporary_admin_test;")
 	tk.MustExec("create temporary table local_temporary_admin_test (c1 int, c2 int, c3 int default 1, primary key (c1), index (c1), unique key(c2))")
 	tk.MustExec("insert local_temporary_admin_test (c1, c2) values (1,1), (2,2), (3,3);")
-	_, err := tk.Exec("admin check table local_temporary_admin_test;")
+	err := tk.ExecToErr("admin check table local_temporary_admin_test;")
 	require.EqualError(t, err, core.ErrOptOnTemporaryTable.GenWithStackByArgs("admin check table").Error())
 	tk.MustExec("drop table if exists temporary_admin_test;")
 

executor/autoidtest/autoid_test.go

@@ -734,8 +734,7 @@ func TestAlterTableAutoIDCache(t *testing.T) {
 
 	// Note that auto_id_cache=1 use a different implementation, switch between them is not allowed.
 	// TODO: relax this restriction and update the test case.
-	_, err = tk.Exec("alter table t_473 auto_id_cache = 1")
-	require.Error(t, err)
+	tk.MustExecToErr("alter table t_473 auto_id_cache = 1")
 }
 
 func TestMockAutoIDServiceError(t *testing.T) {

executor/executor_test.go

@@ -4623,13 +4623,10 @@ func TestUnion2(t *testing.T) {
 	terr = errors.Cause(err).(*terror.Error)
 	require.Equal(t, errors.ErrCode(mysql.ErrWrongUsage), terr.Code())
 
-	_, err = tk.Exec("(select a from t order by a) union all select a from t limit 1 union all select a from t limit 1")
-	require.Truef(t, terror.ErrorEqual(err, plannercore.ErrWrongUsage), "err %v", err)
+	tk.MustGetDBError("(select a from t order by a) union all select a from t limit 1 union all select a from t limit 1", plannercore.ErrWrongUsage)
 
-	_, err = tk.Exec("(select a from t limit 1) union all select a from t limit 1")
-	require.NoError(t, err)
-	_, err = tk.Exec("(select a from t order by a) union all select a from t order by a")
-	require.NoError(t, err)
+	tk.MustExec("(select a from t limit 1) union all select a from t limit 1")
+	tk.MustExec("(select a from t order by a) union all select a from t order by a")
 
 	tk.MustExec("drop table if exists t")
 	tk.MustExec("create table t(a int)")
@@ -4700,8 +4697,8 @@ func TestUnion2(t *testing.T) {
 	tk.MustExec("insert into t2 values(3,'c'),(4,'d'),(5,'f'),(6,'e')")
 	tk.MustExec("analyze table t1")
 	tk.MustExec("analyze table t2")
-	_, err = tk.Exec("(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by t1.b")
-	require.Equal(t, "[planner:1250]Table 't1' from one of the SELECTs cannot be used in global ORDER clause", err.Error())
+	tk.MustGetErrMsg("(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by t1.b",
+		"[planner:1250]Table 't1' from one of the SELECTs cannot be used in global ORDER clause")
 
 	// #issue 9900
 	tk.MustExec("drop table if exists t")
@@ -4855,15 +4852,11 @@ func TestSQLMode(t *testing.T) {
 	tk.MustExec("drop table if exists t")
 	tk.MustExec("create table t (a tinyint not null)")
 	tk.MustExec("set sql_mode = 'STRICT_TRANS_TABLES'")
-	_, err := tk.Exec("insert t values ()")
-	require.Error(t, err)
-
-	_, err = tk.Exec("insert t values ('1000')")
-	require.Error(t, err)
+	tk.ExecToErr("insert t values ()")
+	tk.ExecToErr("insert t values ('1000')")
 
 	tk.MustExec("create table if not exists tdouble (a double(3,2))")
-	_, err = tk.Exec("insert tdouble values (10.23)")
-	require.Error(t, err)
+	tk.ExecToErr("insert tdouble values (10.23)")
 
 	tk.MustExec("set sql_mode = ''")
 	tk.MustExec("insert t values ()")
@@ -4891,8 +4884,7 @@ func TestSQLMode(t *testing.T) {
 	tk2.MustQuery("select * from t2").Check(testkit.Rows("abc"))
 
 	// session1 is still in strict mode.
-	_, err = tk.Exec("insert t2 values ('abcd')")
-	require.Error(t, err)
+	tk.ExecToErr("insert t2 values ('abcd')")
 	// Restore original global strict mode.
 	tk.MustExec("set @@global.sql_mode = 'STRICT_TRANS_TABLES'")
 }

executor/grant_test.go

@@ -99,10 +99,10 @@ func TestGrantDBScope(t *testing.T) {
 	}
 
 	// Grant in wrong scope.
-	_, err := tk.Exec(` grant create user on test.* to 'testDB1'@'localhost';`)
+	err := tk.ExecToErr(` grant create user on test.* to 'testDB1'@'localhost';`)
 	require.True(t, terror.ErrorEqual(err, executor.ErrWrongUsage.GenWithStackByArgs("DB GRANT", "GLOBAL PRIVILEGES")))
 
-	_, err = tk.Exec("GRANT SUPER ON test.* TO 'testDB1'@'localhost';")
+	err = tk.ExecToErr("GRANT SUPER ON test.* TO 'testDB1'@'localhost';")
 	require.True(t, terror.ErrorEqual(err, executor.ErrWrongUsage.GenWithStackByArgs("DB GRANT", "NON-DB PRIVILEGES")))
 }
 
@@ -168,8 +168,8 @@ func TestGrantTableScope(t *testing.T) {
 		require.Greater(t, strings.Index(p, mysql.Priv2SetStr[v]), -1)
 	}
 
-	_, err := tk.Exec("GRANT SUPER ON test2 TO 'testTbl1'@'localhost';")
-	require.EqualError(t, err, "[executor:1144]Illegal GRANT/REVOKE command; please consult the manual to see which privileges can be used")
+	tk.MustGetErrMsg("GRANT SUPER ON test2 TO 'testTbl1'@'localhost';",
+		"[executor:1144]Illegal GRANT/REVOKE command; please consult the manual to see which privileges can be used")
 }
 
 func TestGrantColumnScope(t *testing.T) {
@@ -213,8 +213,8 @@ func TestGrantColumnScope(t *testing.T) {
 		require.Greater(t, strings.Index(p, mysql.Priv2SetStr[v]), -1)
 	}
 
-	_, err := tk.Exec("GRANT SUPER(c2) ON test3 TO 'testCol1'@'localhost';")
-	require.EqualError(t, err, "[executor:1221]Incorrect usage of COLUMN GRANT and NON-COLUMN PRIVILEGES")
+	tk.MustGetErrMsg("GRANT SUPER(c2) ON test3 TO 'testCol1'@'localhost';",
+		"[executor:1221]Incorrect usage of COLUMN GRANT and NON-COLUMN PRIVILEGES")
 }
 
 func TestIssue2456(t *testing.T) {

executor/seqtest/seq_executor_test.go

@@ -900,7 +900,7 @@ func TestPrepareMaxParamCountCheck(t *testing.T) {
 	require.NoError(t, err)
 
 	bigSQL, bigParams := generateBatchSQL(math.MaxUint16 + 2)
-	_, err = tk.Exec(bigSQL, bigParams...)
+	err = tk.ExecToErr(bigSQL, bigParams...)
 	require.Error(t, err)
 	require.EqualError(t, err, "[executor:1390]Prepared statement contains too many placeholders")
 }
@@ -987,16 +987,12 @@ func TestBatchInsertDelete(t *testing.T) {
 
 	// Test tidb_batch_insert could not work if enable-batch-dml is disabled.
 	tk.MustExec("set @@session.tidb_batch_insert=1;")
-	_, err = tk.Exec("insert into batch_insert (c) select * from batch_insert;")
-	require.Error(t, err)
-	require.True(t, kv.ErrTxnTooLarge.Equal(err))
+	tk.MustGetErrCode("insert into batch_insert (c) select * from batch_insert;", errno.ErrTxnTooLarge)
 	tk.MustExec("set @@session.tidb_batch_insert=0;")
 
 	// for on duplicate key
-	_, err = tk.Exec(`insert into batch_insert_on_duplicate select * from batch_insert_on_duplicate as tt
-		on duplicate key update batch_insert_on_duplicate.id=batch_insert_on_duplicate.id+1000;`)
-	require.Error(t, err)
-	require.Truef(t, kv.ErrTxnTooLarge.Equal(err), "%v", err)
+	tk.MustGetErrCode(`insert into batch_insert_on_duplicate select * from batch_insert_on_duplicate as tt
+		on duplicate key update batch_insert_on_duplicate.id=batch_insert_on_duplicate.id+1000;`, errno.ErrTxnTooLarge)
 	r = tk.MustQuery("select count(*) from batch_insert;")
 	r.Check(testkit.Rows("320"))
 
@@ -1022,17 +1018,14 @@ func TestBatchInsertDelete(t *testing.T) {
 	tk.MustExec("set @@session.tidb_dml_batch_size=50;")
 
 	// for on duplicate key
-	_, err = tk.Exec(`insert into batch_insert_on_duplicate select * from batch_insert_on_duplicate as tt
+	tk.MustExec(`insert into batch_insert_on_duplicate select * from batch_insert_on_duplicate as tt
 		on duplicate key update batch_insert_on_duplicate.id=batch_insert_on_duplicate.id+1000;`)
-	require.NoError(t, err)
 	r = tk.MustQuery("select count(*) from batch_insert_on_duplicate;")
 	r.Check(testkit.Rows("320"))
 
 	// Disable BachInsert mode in transition.
 	tk.MustExec("begin;")
-	_, err = tk.Exec("insert into batch_insert (c) select * from batch_insert;")
-	require.Error(t, err)
-	require.True(t, kv.ErrTxnTooLarge.Equal(err))
+	tk.MustGetErrCode("insert into batch_insert (c) select * from batch_insert;", errno.ErrTxnTooLarge)
 	tk.MustExec("rollback;")
 	r = tk.MustQuery("select count(*) from batch_insert;")
 	r.Check(testkit.Rows("640"))