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66c03f84f5
Use the ConvertSqlTimeColumnToEpochMs function to convert any native datetime data type or epoch time (millisecond precision). Additional tests and update of existing due to timezone issues running postgres on UTC and dev environment on non-utc. Added test dashboard.
654 lines
18 KiB
Go
654 lines
18 KiB
Go
package postgres
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import (
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"fmt"
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"math/rand"
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"testing"
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"time"
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"github.com/go-xorm/xorm"
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"github.com/grafana/grafana/pkg/components/simplejson"
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"github.com/grafana/grafana/pkg/log"
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"github.com/grafana/grafana/pkg/services/sqlstore/sqlutil"
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"github.com/grafana/grafana/pkg/tsdb"
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_ "github.com/lib/pq"
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. "github.com/smartystreets/goconvey/convey"
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)
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// To run this test, remove the Skip from SkipConvey
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// and set up a PostgreSQL db named grafanatest and a user/password grafanatest/grafanatest!
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// Use the docker/blocks/postgres_tests/docker-compose.yaml to spin up a
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// preconfigured Postgres server suitable for running these tests.
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// Thers's also a dashboard.json in same directory that you can import to Grafana
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// once you've created a datasource for the test server/database.
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func TestPostgres(t *testing.T) {
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SkipConvey("PostgreSQL", t, func() {
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x := InitPostgresTestDB(t)
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endpoint := &PostgresQueryEndpoint{
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sqlEngine: &tsdb.DefaultSqlEngine{
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MacroEngine: NewPostgresMacroEngine(),
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XormEngine: x,
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},
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log: log.New("tsdb.postgres"),
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}
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sess := x.NewSession()
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defer sess.Close()
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fromStart := time.Date(2018, 3, 15, 13, 0, 0, 0, time.UTC).In(time.Local)
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Convey("Given a table with different native data types", func() {
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sql := `
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DROP TABLE IF EXISTS postgres_types;
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CREATE TABLE postgres_types(
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c00_smallint smallint,
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c01_integer integer,
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c02_bigint bigint,
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c03_real real,
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c04_double double precision,
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c05_decimal decimal(10,2),
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c06_numeric numeric(10,2),
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c07_char char(10),
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c08_varchar varchar(10),
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c09_text text,
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c10_timestamp timestamp without time zone,
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c11_timestamptz timestamp with time zone,
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c12_date date,
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c13_time time without time zone,
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c14_timetz time with time zone,
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c15_interval interval
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);
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`
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_, err := sess.Exec(sql)
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So(err, ShouldBeNil)
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sql = `
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INSERT INTO postgres_types VALUES(
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1,2,3,
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4.5,6.7,1.1,1.2,
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'char10','varchar10','text',
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now(),now(),now(),now(),now(),'15m'::interval
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);
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`
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_, err = sess.Exec(sql)
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So(err, ShouldBeNil)
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Convey("When doing a table query should map Postgres column types to Go types", func() {
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": "SELECT * FROM postgres_types",
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"format": "table",
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}),
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RefId: "A",
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},
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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So(err, ShouldBeNil)
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queryResult := resp.Results["A"]
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So(queryResult.Error, ShouldBeNil)
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column := queryResult.Tables[0].Rows[0]
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So(column[0].(int64), ShouldEqual, 1)
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So(column[1].(int64), ShouldEqual, 2)
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So(column[2].(int64), ShouldEqual, 3)
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So(column[3].(float64), ShouldEqual, 4.5)
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So(column[4].(float64), ShouldEqual, 6.7)
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So(column[5].(float64), ShouldEqual, 1.1)
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So(column[6].(float64), ShouldEqual, 1.2)
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So(column[7].(string), ShouldEqual, "char10 ")
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So(column[8].(string), ShouldEqual, "varchar10")
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So(column[9].(string), ShouldEqual, "text")
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So(column[10].(time.Time), ShouldHaveSameTypeAs, time.Now())
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So(column[11].(time.Time), ShouldHaveSameTypeAs, time.Now())
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So(column[12].(time.Time), ShouldHaveSameTypeAs, time.Now())
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So(column[13].(time.Time), ShouldHaveSameTypeAs, time.Now())
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So(column[14].(time.Time), ShouldHaveSameTypeAs, time.Now())
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So(column[15].(string), ShouldEqual, "00:15:00")
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})
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})
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Convey("Given a table with metrics that lacks data for some series ", func() {
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sql := `
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DROP TABLE IF EXISTS metric;
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CREATE TABLE metric (
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time timestamp,
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value integer
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)
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`
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_, err := sess.Exec(sql)
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So(err, ShouldBeNil)
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type metric struct {
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Time time.Time
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Value int64
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}
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series := []*metric{}
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firstRange := genTimeRangeByInterval(fromStart, 10*time.Minute, 10*time.Second)
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secondRange := genTimeRangeByInterval(fromStart.Add(20*time.Minute), 10*time.Minute, 10*time.Second)
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for _, t := range firstRange {
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series = append(series, &metric{
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Time: t,
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Value: 15,
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})
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}
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for _, t := range secondRange {
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series = append(series, &metric{
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Time: t,
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Value: 20,
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})
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}
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for _, s := range series {
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_, err = sess.Insert(s)
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So(err, ShouldBeNil)
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}
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Convey("When doing a metric query using timeGroup", func() {
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": "SELECT $__timeGroup(time, '5m'), avg(value) as value FROM metric GROUP BY 1 ORDER BY 1",
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"format": "time_series",
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}),
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RefId: "A",
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},
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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So(err, ShouldBeNil)
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queryResult := resp.Results["A"]
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So(queryResult.Error, ShouldBeNil)
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points := queryResult.Series[0].Points
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So(len(points), ShouldEqual, 6)
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dt := fromStart
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for i := 0; i < 3; i++ {
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aValue := points[i][0].Float64
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aTime := time.Unix(int64(points[i][1].Float64)/1000, 0)
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So(aValue, ShouldEqual, 15)
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So(aTime, ShouldEqual, dt)
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dt = dt.Add(5 * time.Minute)
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}
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// adjust for 5 minute gap
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dt = dt.Add(5 * time.Minute)
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for i := 3; i < 6; i++ {
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aValue := points[i][0].Float64
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aTime := time.Unix(int64(points[i][1].Float64)/1000, 0)
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So(aValue, ShouldEqual, 20)
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So(aTime, ShouldEqual, dt)
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dt = dt.Add(5 * time.Minute)
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}
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})
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Convey("When doing a metric query using timeGroup with NULL fill enabled", func() {
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": "SELECT $__timeGroup(time, '5m', NULL), avg(value) as value FROM metric GROUP BY 1 ORDER BY 1",
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"format": "time_series",
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}),
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RefId: "A",
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},
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},
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TimeRange: &tsdb.TimeRange{
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From: fmt.Sprintf("%v", fromStart.Unix()*1000),
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To: fmt.Sprintf("%v", fromStart.Add(34*time.Minute).Unix()*1000),
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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So(err, ShouldBeNil)
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queryResult := resp.Results["A"]
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So(queryResult.Error, ShouldBeNil)
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points := queryResult.Series[0].Points
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So(len(points), ShouldEqual, 7)
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dt := fromStart
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for i := 0; i < 3; i++ {
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aValue := points[i][0].Float64
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aTime := time.Unix(int64(points[i][1].Float64)/1000, 0)
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So(aValue, ShouldEqual, 15)
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So(aTime, ShouldEqual, dt)
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dt = dt.Add(5 * time.Minute)
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}
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So(points[3][0].Valid, ShouldBeFalse)
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// adjust for 5 minute gap
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dt = dt.Add(5 * time.Minute)
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for i := 4; i < 7; i++ {
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aValue := points[i][0].Float64
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aTime := time.Unix(int64(points[i][1].Float64)/1000, 0)
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So(aValue, ShouldEqual, 20)
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So(aTime, ShouldEqual, dt)
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dt = dt.Add(5 * time.Minute)
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}
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})
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Convey("When doing a metric query using timeGroup with float fill enabled", func() {
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": "SELECT $__timeGroup(time, '5m', 1.5), avg(value) as value FROM metric GROUP BY 1 ORDER BY 1",
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"format": "time_series",
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}),
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RefId: "A",
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},
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},
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TimeRange: &tsdb.TimeRange{
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From: fmt.Sprintf("%v", fromStart.Unix()*1000),
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To: fmt.Sprintf("%v", fromStart.Add(34*time.Minute).Unix()*1000),
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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So(err, ShouldBeNil)
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queryResult := resp.Results["A"]
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So(queryResult.Error, ShouldBeNil)
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points := queryResult.Series[0].Points
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So(points[3][0].Float64, ShouldEqual, 1.5)
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})
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})
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Convey("Given a table with metrics having multiple values and measurements", func() {
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type metric_values struct {
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Time time.Time
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Measurement string
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ValueOne int64 `xorm:"integer 'valueOne'"`
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ValueTwo int64 `xorm:"integer 'valueTwo'"`
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}
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if exist, err := sess.IsTableExist(metric_values{}); err != nil || exist {
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So(err, ShouldBeNil)
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sess.DropTable(metric_values{})
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}
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err := sess.CreateTable(metric_values{})
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So(err, ShouldBeNil)
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rand.Seed(time.Now().Unix())
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rnd := func(min, max int64) int64 {
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return rand.Int63n(max-min) + min
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}
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series := []*metric_values{}
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for _, t := range genTimeRangeByInterval(fromStart.Add(-30*time.Minute), 90*time.Minute, 5*time.Minute) {
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series = append(series, &metric_values{
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Time: t,
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Measurement: "Metric A",
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ValueOne: rnd(0, 100),
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ValueTwo: rnd(0, 100),
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})
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series = append(series, &metric_values{
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Time: t,
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Measurement: "Metric B",
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ValueOne: rnd(0, 100),
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ValueTwo: rnd(0, 100),
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})
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}
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for _, s := range series {
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_, err := sess.Insert(s)
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So(err, ShouldBeNil)
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}
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Convey("When doing a metric query grouping by time and select metric column should return correct series", func() {
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": `SELECT $__timeEpoch(time), measurement || ' - value one' as metric, "valueOne" FROM metric_values ORDER BY 1`,
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"format": "time_series",
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}),
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RefId: "A",
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},
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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So(err, ShouldBeNil)
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queryResult := resp.Results["A"]
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So(queryResult.Error, ShouldBeNil)
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So(len(queryResult.Series), ShouldEqual, 2)
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So(queryResult.Series[0].Name, ShouldEqual, "Metric A - value one")
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So(queryResult.Series[1].Name, ShouldEqual, "Metric B - value one")
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})
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Convey("When doing a metric query grouping by time should return correct series", func() {
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": `SELECT $__timeEpoch(time), "valueOne", "valueTwo" FROM metric_values ORDER BY 1`,
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"format": "time_series",
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}),
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RefId: "A",
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},
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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So(err, ShouldBeNil)
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queryResult := resp.Results["A"]
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So(queryResult.Error, ShouldBeNil)
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So(len(queryResult.Series), ShouldEqual, 2)
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So(queryResult.Series[0].Name, ShouldEqual, "valueOne")
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So(queryResult.Series[1].Name, ShouldEqual, "valueTwo")
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})
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})
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Convey("Given a table with event data", func() {
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type event struct {
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TimeSec int64
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Description string
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Tags string
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}
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if exist, err := sess.IsTableExist(event{}); err != nil || exist {
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So(err, ShouldBeNil)
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sess.DropTable(event{})
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}
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err := sess.CreateTable(event{})
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So(err, ShouldBeNil)
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events := []*event{}
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for _, t := range genTimeRangeByInterval(fromStart.Add(-20*time.Minute), 60*time.Minute, 25*time.Minute) {
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events = append(events, &event{
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TimeSec: t.Unix(),
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Description: "Someone deployed something",
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Tags: "deploy",
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})
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events = append(events, &event{
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TimeSec: t.Add(5 * time.Minute).Unix(),
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Description: "New support ticket registered",
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Tags: "ticket",
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})
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}
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for _, e := range events {
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_, err = sess.Insert(e)
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So(err, ShouldBeNil)
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}
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Convey("When doing an annotation query of deploy events should return expected result", func() {
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": `SELECT "time_sec" as time, description as text, tags FROM event WHERE $__unixEpochFilter(time_sec) AND tags='deploy' ORDER BY 1 ASC`,
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"format": "table",
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}),
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RefId: "Deploys",
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},
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},
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TimeRange: &tsdb.TimeRange{
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From: fmt.Sprintf("%v", fromStart.Add(-20*time.Minute).Unix()*1000),
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To: fmt.Sprintf("%v", fromStart.Add(40*time.Minute).Unix()*1000),
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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queryResult := resp.Results["Deploys"]
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So(err, ShouldBeNil)
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So(len(queryResult.Tables[0].Rows), ShouldEqual, 3)
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})
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Convey("When doing an annotation query of ticket events should return expected result", func() {
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": `SELECT "time_sec" as time, description as text, tags FROM event WHERE $__unixEpochFilter(time_sec) AND tags='ticket' ORDER BY 1 ASC`,
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"format": "table",
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}),
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RefId: "Tickets",
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},
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},
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TimeRange: &tsdb.TimeRange{
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From: fmt.Sprintf("%v", fromStart.Add(-20*time.Minute).Unix()*1000),
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To: fmt.Sprintf("%v", fromStart.Add(40*time.Minute).Unix()*1000),
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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queryResult := resp.Results["Tickets"]
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So(err, ShouldBeNil)
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So(len(queryResult.Tables[0].Rows), ShouldEqual, 3)
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})
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Convey("When doing an annotation query with a time column in datetime format", func() {
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dt := time.Date(2018, 3, 14, 21, 20, 6, 527e6, time.UTC)
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dtFormat := "2006-01-02 15:04:05.999999999"
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": fmt.Sprintf(`SELECT
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CAST('%s' AS TIMESTAMP) as time,
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'message' as text,
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'tag1,tag2' as tags
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`, dt.Format(dtFormat)),
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"format": "table",
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}),
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RefId: "A",
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},
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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So(err, ShouldBeNil)
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queryResult := resp.Results["A"]
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So(queryResult.Error, ShouldBeNil)
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So(len(queryResult.Tables[0].Rows), ShouldEqual, 1)
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columns := queryResult.Tables[0].Rows[0]
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//Should be in milliseconds
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So(columns[0].(float64), ShouldEqual, float64(dt.Unix()*1000))
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})
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Convey("When doing an annotation query with a time column in epoch second format should return ms", func() {
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dt := time.Date(2018, 3, 14, 21, 20, 6, 527e6, time.UTC)
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query := &tsdb.TsdbQuery{
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Queries: []*tsdb.Query{
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{
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Model: simplejson.NewFromAny(map[string]interface{}{
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"rawSql": fmt.Sprintf(`SELECT
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%d as time,
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'message' as text,
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'tag1,tag2' as tags
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`, dt.Unix()),
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"format": "table",
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}),
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RefId: "A",
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},
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},
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}
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resp, err := endpoint.Query(nil, nil, query)
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So(err, ShouldBeNil)
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queryResult := resp.Results["A"]
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So(queryResult.Error, ShouldBeNil)
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So(len(queryResult.Tables[0].Rows), ShouldEqual, 1)
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columns := queryResult.Tables[0].Rows[0]
|
|
|
|
//Should be in milliseconds
|
|
So(columns[0].(int64), ShouldEqual, int64(dt.Unix()*1000))
|
|
})
|
|
|
|
Convey("When doing an annotation query with a time column in epoch second format (int) should return ms", func() {
|
|
dt := time.Date(2018, 3, 14, 21, 20, 6, 527e6, time.UTC)
|
|
|
|
query := &tsdb.TsdbQuery{
|
|
Queries: []*tsdb.Query{
|
|
{
|
|
Model: simplejson.NewFromAny(map[string]interface{}{
|
|
"rawSql": fmt.Sprintf(`SELECT
|
|
cast(%d as bigint) as time,
|
|
'message' as text,
|
|
'tag1,tag2' as tags
|
|
`, dt.Unix()),
|
|
"format": "table",
|
|
}),
|
|
RefId: "A",
|
|
},
|
|
},
|
|
}
|
|
|
|
resp, err := endpoint.Query(nil, nil, query)
|
|
So(err, ShouldBeNil)
|
|
queryResult := resp.Results["A"]
|
|
So(queryResult.Error, ShouldBeNil)
|
|
So(len(queryResult.Tables[0].Rows), ShouldEqual, 1)
|
|
columns := queryResult.Tables[0].Rows[0]
|
|
|
|
//Should be in milliseconds
|
|
So(columns[0].(int64), ShouldEqual, int64(dt.Unix()*1000))
|
|
})
|
|
|
|
Convey("When doing an annotation query with a time column in epoch millisecond format should return ms", func() {
|
|
dt := time.Date(2018, 3, 14, 21, 20, 6, 527e6, time.UTC)
|
|
|
|
query := &tsdb.TsdbQuery{
|
|
Queries: []*tsdb.Query{
|
|
{
|
|
Model: simplejson.NewFromAny(map[string]interface{}{
|
|
"rawSql": fmt.Sprintf(`SELECT
|
|
%d as time,
|
|
'message' as text,
|
|
'tag1,tag2' as tags
|
|
`, dt.Unix()*1000),
|
|
"format": "table",
|
|
}),
|
|
RefId: "A",
|
|
},
|
|
},
|
|
}
|
|
|
|
resp, err := endpoint.Query(nil, nil, query)
|
|
So(err, ShouldBeNil)
|
|
queryResult := resp.Results["A"]
|
|
So(queryResult.Error, ShouldBeNil)
|
|
So(len(queryResult.Tables[0].Rows), ShouldEqual, 1)
|
|
columns := queryResult.Tables[0].Rows[0]
|
|
|
|
//Should be in milliseconds
|
|
So(columns[0].(int64), ShouldEqual, dt.Unix()*1000)
|
|
})
|
|
|
|
Convey("When doing an annotation query with a time column holding a bigint null value should return nil", func() {
|
|
query := &tsdb.TsdbQuery{
|
|
Queries: []*tsdb.Query{
|
|
{
|
|
Model: simplejson.NewFromAny(map[string]interface{}{
|
|
"rawSql": `SELECT
|
|
cast(null as bigint) as time,
|
|
'message' as text,
|
|
'tag1,tag2' as tags
|
|
`,
|
|
"format": "table",
|
|
}),
|
|
RefId: "A",
|
|
},
|
|
},
|
|
}
|
|
|
|
resp, err := endpoint.Query(nil, nil, query)
|
|
So(err, ShouldBeNil)
|
|
queryResult := resp.Results["A"]
|
|
So(queryResult.Error, ShouldBeNil)
|
|
So(len(queryResult.Tables[0].Rows), ShouldEqual, 1)
|
|
columns := queryResult.Tables[0].Rows[0]
|
|
|
|
//Should be in milliseconds
|
|
So(columns[0], ShouldBeNil)
|
|
})
|
|
|
|
Convey("When doing an annotation query with a time column holding a timestamp null value should return nil", func() {
|
|
query := &tsdb.TsdbQuery{
|
|
Queries: []*tsdb.Query{
|
|
{
|
|
Model: simplejson.NewFromAny(map[string]interface{}{
|
|
"rawSql": `SELECT
|
|
cast(null as timestamp) as time,
|
|
'message' as text,
|
|
'tag1,tag2' as tags
|
|
`,
|
|
"format": "table",
|
|
}),
|
|
RefId: "A",
|
|
},
|
|
},
|
|
}
|
|
|
|
resp, err := endpoint.Query(nil, nil, query)
|
|
So(err, ShouldBeNil)
|
|
queryResult := resp.Results["A"]
|
|
So(queryResult.Error, ShouldBeNil)
|
|
So(len(queryResult.Tables[0].Rows), ShouldEqual, 1)
|
|
columns := queryResult.Tables[0].Rows[0]
|
|
|
|
//Should be in milliseconds
|
|
So(columns[0], ShouldBeNil)
|
|
})
|
|
})
|
|
})
|
|
}
|
|
|
|
func InitPostgresTestDB(t *testing.T) *xorm.Engine {
|
|
x, err := xorm.NewEngine(sqlutil.TestDB_Postgres.DriverName, sqlutil.TestDB_Postgres.ConnStr)
|
|
x.DatabaseTZ = time.UTC
|
|
x.TZLocation = time.UTC
|
|
|
|
// x.ShowSQL()
|
|
|
|
if err != nil {
|
|
t.Fatalf("Failed to init postgres db %v", err)
|
|
}
|
|
|
|
return x
|
|
}
|
|
|
|
func genTimeRangeByInterval(from time.Time, duration time.Duration, interval time.Duration) []time.Time {
|
|
durationSec := int64(duration.Seconds())
|
|
intervalSec := int64(interval.Seconds())
|
|
timeRange := []time.Time{}
|
|
|
|
for i := int64(0); i < durationSec; i += intervalSec {
|
|
timeRange = append(timeRange, from)
|
|
from = from.Add(time.Duration(int64(time.Second) * intervalSec))
|
|
}
|
|
|
|
return timeRange
|
|
}
|