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Fix Postgres query handling null values for smallint (#36648)

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* Fix Postgres query handling null values for smallint

* Fix converting to int16
This commit is contained in:
idafurjes
2021-07-13 09:36:24 +02:00
committed by GitHub
parent c26bd6c52f
commit 5d01add7da
2 changed files with 28 additions and 5 deletions
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13
pkg/tsdb/postgres/postgres_test.go
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@ -143,7 +143,7 @@ func TestGenerateConnectionString(t *testing.T) {
}
// To run this test, set runPostgresTests=true
// Or from the commandline: GRAFANA_TEST_DB=postgres go test -v ./pkg/tsdb/postgres
// Or from the commandline: GRAFANA_TEST_DB=postgres go test -tags=integration -v ./pkg/tsdb/postgres
// The tests require a PostgreSQL db named grafanadstest and a user/password grafanatest/grafanatest!
// Use the docker/blocks/postgres_tests/docker-compose.yaml to spin up a
// preconfigured Postgres server suitable for running these tests.
@ -214,7 +214,8 @@ func TestPostgres(t *testing.T) {
c13_time time without time zone,
c14_timetz time with time zone,
time date,
c15_interval interval
c15_interval interval,
c16_smallint smallint
);
`
_, err := sess.Exec(sql)
@ -226,7 +227,8 @@ func TestPostgres(t *testing.T) {
4.5,6.7,1.1,1.2,
'char10','varchar10','text',
now(),now(),now(),now(),now(),now(),'15m'::interval
now(),now(),now(),now(),now(),now(),'15m'::interval,
null
);
`
_, err = sess.Exec(sql)
@ -252,9 +254,9 @@ func TestPostgres(t *testing.T) {
frames, _ := queryResult.Dataframes.Decoded()
require.Len(t, frames, 1)
require.Len(t, frames[0].Fields, 17)
require.Len(t, frames[0].Fields, 18)
require.Equal(t, int16(1), frames[0].Fields[0].At(0).(int16))
require.Equal(t, int16(1), *frames[0].Fields[0].At(0).(*int16))
require.Equal(t, int32(2), *frames[0].Fields[1].At(0).(*int32))
require.Equal(t, int64(3), *frames[0].Fields[2].At(0).(*int64))
@ -280,6 +282,7 @@ func TestPostgres(t *testing.T) {
_, ok = frames[0].Fields[15].At(0).(*time.Time)
require.True(t, ok)
require.Equal(t, "00:15:00", *frames[0].Fields[16].At(0).(*string))
require.Nil(t, frames[0].Fields[17].At(0))
})
})