IntenseWebs/grafana
3
0
Fork 0
mirror of https://github.com/grafana/grafana.git synced 2025-02-25 18:55:37 -06:00
Code Issues Packages Projects Releases Wiki Activity

mssql: fix precision for time columns in time series query mode

Browse Source
This commit is contained in:
Marcus Efraimsson
2018-04-10 11:10:56 +02:00
parent 0317ecbf0d
commit 9d84e6f31f
3 changed files with 358 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
pkg/tsdb/mssql/mssql.go
View File

@@ -8,8 +8,6 @@ import (
"strconv"
"strings"
"time"
"math"
_ "github.com/denisenkom/go-mssqldb"
@@ -231,15 +229,18 @@ func (e MssqlQueryEndpoint) transformToTimeSeries(query *tsdb.Query, rows *core.
return err
}
// converts column named time to unix timestamp in milliseconds to make
// native mysql datetime types and epoch dates work in
// annotation and table queries.
tsdb.ConvertSqlTimeColumnToEpochMs(values, timeIndex)
switch columnValue := values[timeIndex].(type) {
case int64:
timestamp = float64(columnValue * 1000)
timestamp = float64(columnValue)
case float64:
timestamp = columnValue * 1000
case time.Time:
timestamp = (float64(columnValue.Unix()) * 1000) + float64(columnValue.Nanosecond()/1e6) // in case someone is trying to map times beyond 2262 :D
timestamp = columnValue
default:
return fmt.Errorf("Invalid type for column time, must be of type timestamp or unix timestamp")
return fmt.Errorf("Invalid type for column time, must be of type timestamp or unix timestamp, got: %T %v", columnValue, columnValue)
}
if metricIndex >= 0 {

258
pkg/tsdb/mssql/mssql_test.go
View File

@@ -188,10 +188,8 @@ func TestMSSQL(t *testing.T) {
})
}
for _, s := range series {
_, err = sess.Insert(s)
So(err, ShouldBeNil)
}
_, err = sess.InsertMulti(series)
So(err, ShouldBeNil)
Convey("When doing a metric query using timeGroup", func() {
query := &tsdb.TsdbQuery{
@@ -312,10 +310,18 @@ func TestMSSQL(t *testing.T) {
Convey("Given a table with metrics having multiple values and measurements", func() {
type metric_values struct {
Time time.Time
Measurement string
ValueOne int64 `xorm:"integer 'valueOne'"`
ValueTwo int64 `xorm:"integer 'valueTwo'"`
Time time.Time
TimeInt64 int64 `xorm:"bigint 'timeInt64' not null"`
TimeInt64Nullable *int64 `xorm:"bigint 'timeInt64Nullable' null"`
TimeFloat64 float64 `xorm:"float 'timeFloat64' not null"`
TimeFloat64Nullable *float64 `xorm:"float 'timeFloat64Nullable' null"`
TimeInt32 int32 `xorm:"int(11) 'timeInt32' not null"`
TimeInt32Nullable *int32 `xorm:"int(11) 'timeInt32Nullable' null"`
TimeFloat32 float32 `xorm:"float(11) 'timeFloat32' not null"`
TimeFloat32Nullable *float32 `xorm:"float(11) 'timeFloat32Nullable' null"`
Measurement string
ValueOne int64 `xorm:"integer 'valueOne'"`
ValueTwo int64 `xorm:"integer 'valueTwo'"`
}
if exist, err := sess.IsTableExist(metric_values{}); err != nil || exist {
@@ -330,26 +336,219 @@ func TestMSSQL(t *testing.T) {
return rand.Int63n(max-min) + min
}
var tInitial time.Time
series := []*metric_values{}
for _, t := range genTimeRangeByInterval(fromStart.Add(-30*time.Minute), 90*time.Minute, 5*time.Minute) {
series = append(series, &metric_values{
Time: t,
Measurement: "Metric A",
ValueOne: rnd(0, 100),
ValueTwo: rnd(0, 100),
})
series = append(series, &metric_values{
Time: t,
Measurement: "Metric B",
ValueOne: rnd(0, 100),
ValueTwo: rnd(0, 100),
})
for i, t := range genTimeRangeByInterval(fromStart.Add(-30*time.Minute), 90*time.Minute, 5*time.Minute) {
if i == 0 {
tInitial = t
}
tSeconds := t.Unix()
tSecondsInt32 := int32(tSeconds)
tSecondsFloat32 := float32(tSeconds)
tMilliseconds := tSeconds * 1e3
tMillisecondsFloat := float64(tMilliseconds)
first := metric_values{
Time: t,
TimeInt64: tMilliseconds,
TimeInt64Nullable: &(tMilliseconds),
TimeFloat64: tMillisecondsFloat,
TimeFloat64Nullable: &tMillisecondsFloat,
TimeInt32: tSecondsInt32,
TimeInt32Nullable: &tSecondsInt32,
TimeFloat32: tSecondsFloat32,
TimeFloat32Nullable: &tSecondsFloat32,
Measurement: "Metric A",
ValueOne: rnd(0, 100),
ValueTwo: rnd(0, 100),
}
second := first
second.Measurement = "Metric B"
second.ValueOne = rnd(0, 100)
second.ValueTwo = rnd(0, 100)
series = append(series, &first)
series = append(series, &second)
}
for _, s := range series {
_, err = sess.Insert(s)
_, err = sess.InsertMulti(series)
So(err, ShouldBeNil)
Convey("When doing a metric query using epoch (int64) as time column should return metric with time in milliseconds", func() {
query := &tsdb.TsdbQuery{
Queries: []*tsdb.Query{
{
Model: simplejson.NewFromAny(map[string]interface{}{
"rawSql": `SELECT TOP 1 timeInt64 as time, valueOne FROM metric_values ORDER BY time`,
"format": "time_series",
}),
RefId: "A",
},
},
}
resp, err := endpoint.Query(nil, nil, query)
So(err, ShouldBeNil)
}
queryResult := resp.Results["A"]
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 1)
So(queryResult.Series[0].Points[0][1].Float64, ShouldEqual, float64(tInitial.UnixNano()/1e6))
})
Convey("When doing a metric query using epoch (int64 nullable) as time column should return metric with time in milliseconds", func() {
query := &tsdb.TsdbQuery{
Queries: []*tsdb.Query{
{
Model: simplejson.NewFromAny(map[string]interface{}{
"rawSql": `SELECT TOP 1 timeInt64Nullable as time, valueOne FROM metric_values ORDER BY time`,
"format": "time_series",
}),
RefId: "A",
},
},
}
resp, err := endpoint.Query(nil, nil, query)
So(err, ShouldBeNil)
queryResult := resp.Results["A"]
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 1)
So(queryResult.Series[0].Points[0][1].Float64, ShouldEqual, float64(tInitial.UnixNano()/1e6))
})
Convey("When doing a metric query using epoch (float64) as time column should return metric with time in milliseconds", func() {
query := &tsdb.TsdbQuery{
Queries: []*tsdb.Query{
{
Model: simplejson.NewFromAny(map[string]interface{}{
"rawSql": `SELECT TOP 1 timeFloat64 as time, valueOne FROM metric_values ORDER BY time`,
"format": "time_series",
}),
RefId: "A",
},
},
}
resp, err := endpoint.Query(nil, nil, query)
So(err, ShouldBeNil)
queryResult := resp.Results["A"]
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 1)
So(queryResult.Series[0].Points[0][1].Float64, ShouldEqual, float64(tInitial.UnixNano()/1e6))
})
Convey("When doing a metric query using epoch (float64 nullable) as time column should return metric with time in milliseconds", func() {
query := &tsdb.TsdbQuery{
Queries: []*tsdb.Query{
{
Model: simplejson.NewFromAny(map[string]interface{}{
"rawSql": `SELECT TOP 1 timeFloat64Nullable as time, valueOne FROM metric_values ORDER BY time`,
"format": "time_series",
}),
RefId: "A",
},
},
}
resp, err := endpoint.Query(nil, nil, query)
So(err, ShouldBeNil)
queryResult := resp.Results["A"]
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 1)
So(queryResult.Series[0].Points[0][1].Float64, ShouldEqual, float64(tInitial.UnixNano()/1e6))
})
Convey("When doing a metric query using epoch (int32) as time column should return metric with time in milliseconds", func() {
query := &tsdb.TsdbQuery{
Queries: []*tsdb.Query{
{
Model: simplejson.NewFromAny(map[string]interface{}{
"rawSql": `SELECT TOP 1 timeInt32 as time, valueOne FROM metric_values ORDER BY time`,
"format": "time_series",
}),
RefId: "A",
},
},
}
resp, err := endpoint.Query(nil, nil, query)
So(err, ShouldBeNil)
queryResult := resp.Results["A"]
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 1)
So(queryResult.Series[0].Points[0][1].Float64, ShouldEqual, float64(tInitial.UnixNano()/1e6))
})
Convey("When doing a metric query using epoch (int32 nullable) as time column should return metric with time in milliseconds", func() {
query := &tsdb.TsdbQuery{
Queries: []*tsdb.Query{
{
Model: simplejson.NewFromAny(map[string]interface{}{
"rawSql": `SELECT TOP 1 timeInt32Nullable as time, valueOne FROM metric_values ORDER BY time`,
"format": "time_series",
}),
RefId: "A",
},
},
}
resp, err := endpoint.Query(nil, nil, query)
So(err, ShouldBeNil)
queryResult := resp.Results["A"]
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 1)
So(queryResult.Series[0].Points[0][1].Float64, ShouldEqual, float64(tInitial.UnixNano()/1e6))
})
Convey("When doing a metric query using epoch (float32) as time column should return metric with time in milliseconds", func() {
query := &tsdb.TsdbQuery{
Queries: []*tsdb.Query{
{
Model: simplejson.NewFromAny(map[string]interface{}{
"rawSql": `SELECT TOP 1 timeFloat32 as time, valueOne FROM metric_values ORDER BY time`,
"format": "time_series",
}),
RefId: "A",
},
},
}
resp, err := endpoint.Query(nil, nil, query)
So(err, ShouldBeNil)
queryResult := resp.Results["A"]
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 1)
So(queryResult.Series[0].Points[0][1].Float64, ShouldEqual, float64(float64(float32(tInitial.Unix())))*1e3)
})
Convey("When doing a metric query using epoch (float32 nullable) as time column should return metric with time in milliseconds", func() {
query := &tsdb.TsdbQuery{
Queries: []*tsdb.Query{
{
Model: simplejson.NewFromAny(map[string]interface{}{
"rawSql": `SELECT TOP 1 timeFloat32Nullable as time, valueOne FROM metric_values ORDER BY time`,
"format": "time_series",
}),
RefId: "A",
},
},
}
resp, err := endpoint.Query(nil, nil, query)
So(err, ShouldBeNil)
queryResult := resp.Results["A"]
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 1)
So(queryResult.Series[0].Points[0][1].Float64, ShouldEqual, float64(float64(float32(tInitial.Unix())))*1e3)
})
Convey("When doing a metric query grouping by time and select metric column should return correct series", func() {
query := &tsdb.TsdbQuery{
@@ -476,7 +675,6 @@ func TestMSSQL(t *testing.T) {
resp, err := endpoint.Query(nil, nil, query)
queryResult := resp.Results["A"]
So(err, ShouldBeNil)
fmt.Println("query", "sql", queryResult.Meta)
So(queryResult.Error, ShouldBeNil)
So(len(queryResult.Series), ShouldEqual, 4)
@@ -696,7 +894,7 @@ func TestMSSQL(t *testing.T) {
columns := queryResult.Tables[0].Rows[0]
//Should be in milliseconds
So(columns[0].(float64), ShouldEqual, float64(dt.Unix()*1000))
So(columns[0].(float64), ShouldEqual, float64(dt.UnixNano()/1e6))
})
Convey("When doing an annotation query with a time column in epoch second format should return ms", func() {
@@ -850,15 +1048,15 @@ func TestMSSQL(t *testing.T) {
func InitMSSQLTestDB(t *testing.T) *xorm.Engine {
x, err := xorm.NewEngine(sqlutil.TestDB_Mssql.DriverName, strings.Replace(sqlutil.TestDB_Mssql.ConnStr, "localhost", serverIP, 1))
if err != nil {
t.Fatalf("Failed to init mssql db %v", err)
}
x.DatabaseTZ = time.UTC
x.TZLocation = time.UTC
// x.ShowSQL()
if err != nil {
t.Fatalf("Failed to init mssql db %v", err)
}
return x
}