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[release-16.0] fix TestQueryTimeoutWithTables flaky test (#13579) #13585

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merged 1 commit into from
Jul 25, 2023
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[release-16.0] fix TestQueryTimeoutWithTables flaky test (#13579) #13585

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6 changes: 4 additions & 2 deletions go/test/endtoend/vtgate/queries/misc/main_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,8 @@ func TestMain(m *testing.M) {
return 1
}

clusterInstance.VtTabletExtraArgs = append(clusterInstance.VtTabletExtraArgs, "--queryserver-config-max-result-size", "1000000",
clusterInstance.VtTabletExtraArgs = append(clusterInstance.VtTabletExtraArgs,
"--queryserver-config-max-result-size", "1000000",
"--queryserver-config-query-timeout", "200",
"--queryserver-config-query-pool-timeout", "200")
// Start Unsharded keyspace
Expand All @@ -85,7 +86,8 @@ func TestMain(m *testing.M) {
return 1
}

clusterInstance.VtGateExtraArgs = append(clusterInstance.VtGateExtraArgs, "--enable_system_settings=true", "--query-timeout=100")
clusterInstance.VtGateExtraArgs = append(clusterInstance.VtGateExtraArgs,
"--query-timeout", "100")
// Start vtgate
err = clusterInstance.StartVtgate()
if err != nil {
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39 changes: 11 additions & 28 deletions go/test/endtoend/vtgate/queries/misc/misc_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -101,21 +101,21 @@ func TestQueryTimeoutWithDual(t *testing.T) {
mcmp, closer := start(t)
defer closer()

_, err := utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 */ sleep(0.04) from dual")
_, err := utils.ExecAllowError(t, mcmp.VtConn, "select sleep(0.04) from dual")
assert.NoError(t, err)
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 */ sleep(0.24) from dual")
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select sleep(0.24) from dual")
assert.Error(t, err)
_, err = utils.ExecAllowError(t, mcmp.VtConn, "set @@session.query_timeout=20")
require.NoError(t, err)
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 */ sleep(0.04) from dual")
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select sleep(0.04) from dual")
assert.Error(t, err)
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 */ sleep(0.01) from dual")
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select sleep(0.01) from dual")
assert.NoError(t, err)
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 QUERY_TIMEOUT_MS=500 */ sleep(0.24) from dual")
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ QUERY_TIMEOUT_MS=500 */ sleep(0.24) from dual")
assert.NoError(t, err)
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 QUERY_TIMEOUT_MS=10 */ sleep(0.04) from dual")
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ QUERY_TIMEOUT_MS=10 */ sleep(0.04) from dual")
assert.Error(t, err)
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 QUERY_TIMEOUT_MS=15 */ sleep(0.001) from dual")
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ QUERY_TIMEOUT_MS=15 */ sleep(0.001) from dual")
assert.NoError(t, err)
}

Expand All @@ -139,28 +139,11 @@ func TestQueryTimeoutWithTables(t *testing.T) {
assert.Contains(t, err.Error(), "(errno 1317) (sqlstate 70100)")

// sharded
for i := 0; i < 300000; i += 1000 {
var str strings.Builder
for j := 1; j <= 1000; j++ {
if j == 1 {
str.WriteString(fmt.Sprintf("(%d)", i*1000+j))
continue
}
str.WriteString(fmt.Sprintf(",(%d)", i*1000+j))
}
utils.Exec(t, mcmp.VtConn, fmt.Sprintf("insert /*vt+ QUERY_TIMEOUT_MS=1000 */ into t1(id1) values %s", str.String()))
}
// too much data added in the loop, do drop and recreate the table.
defer func() {
mcmp.Exec("drop table t1")
mcmp.Exec(schemaSQL)
}()
utils.Exec(t, mcmp.VtConn, "insert /*vt+ QUERY_TIMEOUT_MS=1000 */ into ks_misc.t1(id1, id2) values (1,2),(2,4),(3,6),(4,8),(5,10)")

utils.Exec(t, mcmp.VtConn, "select count(*) from t1 where id1 > 31")
utils.Exec(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 QUERY_TIMEOUT_MS=100 */ count(*) from t1 where id1 > 31")

// the query usually takes more than 5ms to return. So this should fail.
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 QUERY_TIMEOUT_MS=1 */ count(*) from t1 where id1 > 31")
// sleep take in seconds, so 0.1 is 100ms
utils.Exec(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 QUERY_TIMEOUT_MS=500 */ sleep(0.1) from t1 where id1 = 1")
_, err = utils.ExecAllowError(t, mcmp.VtConn, "select /*vt+ PLANNER=gen4 QUERY_TIMEOUT_MS=20 */ sleep(0.1) from t1 where id1 = 1")
require.Error(t, err)
assert.Contains(t, err.Error(), "context deadline exceeded")
assert.Contains(t, err.Error(), "(errno 1317) (sqlstate 70100)")
Expand Down