561 lines
27 KiB
Go
561 lines
27 KiB
Go
package influxql_test
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import (
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"math"
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"reflect"
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"testing"
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"time"
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"github.com/davecgh/go-spew/spew"
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"github.com/influxdb/influxdb/influxql"
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"github.com/influxdb/influxdb/pkg/deep"
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)
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// Second represents a helper for type converting durations.
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const Second = int64(time.Second)
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// Ensure a SELECT min() query can be executed.
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func TestSelect_Min(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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if !reflect.DeepEqual(opt.Expr, MustParseExpr(`min(value)`)) {
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t.Fatalf("unexpected expr: %s", spew.Sdump(opt.Expr))
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}
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return influxql.NewCallIterator(&FloatIterator{Points: []influxql.FloatPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 11 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 31 * Second, Value: 100},
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}}, opt), nil
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}
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// Execute selection.
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itrs, err := influxql.Select(MustParseSelectStatement(`SELECT min(value) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
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if err != nil {
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t.Fatal(err)
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} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 19}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 0 * Second, Value: 10}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 2}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 30 * Second, Value: 100}},
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}) {
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t.Fatalf("unexpected points: %s", spew.Sdump(a))
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}
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}
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// Ensure a SELECT distinct() query can be executed.
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func TestSelect_Distinct(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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return &FloatIterator{Points: []influxql.FloatPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 1 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 11 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 12 * Second, Value: 2},
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}}, nil
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}
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// Execute selection.
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itrs, err := influxql.Select(MustParseSelectStatement(`SELECT distinct(value) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
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if err != nil {
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t.Fatal(err)
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} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 20}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 1 * Second, Value: 19}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 5 * Second, Value: 10}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 2}},
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}) {
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t.Fatalf("unexpected points: %s", spew.Sdump(a))
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}
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}
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// Ensure a SELECT mean() query can be executed.
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func TestSelect_Mean_Float(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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return &FloatIterator{Points: []influxql.FloatPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 11 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 31 * Second, Value: 100},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 50 * Second, Value: 1},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 51 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 52 * Second, Value: 4},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 4},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 5},
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}}, nil
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}
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// Execute selection.
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itrs, err := influxql.Select(MustParseSelectStatement(`SELECT mean(value) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
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if err != nil {
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t.Fatal(err)
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} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 19.5}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 0 * Second, Value: 10}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 2.5}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 30 * Second, Value: 100}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 50 * Second, Value: 3.2}},
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}) {
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t.Fatalf("unexpected points: %s", spew.Sdump(a))
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}
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}
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// Ensure a SELECT mean() query can be executed.
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func TestSelect_Mean_Integer(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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return &IntegerIterator{Points: []influxql.IntegerPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 11 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 31 * Second, Value: 100},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 50 * Second, Value: 1},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 51 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 52 * Second, Value: 4},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 4},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 5},
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}}, nil
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}
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// Execute selection.
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itrs, err := influxql.Select(MustParseSelectStatement(`SELECT mean(value) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
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if err != nil {
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t.Fatal(err)
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} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 19.5}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 0 * Second, Value: 10}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 2.5}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 30 * Second, Value: 100}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 50 * Second, Value: 3.2}},
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}) {
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t.Fatalf("unexpected points: %s", spew.Sdump(a))
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}
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}
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// Ensure a SELECT median() query can be executed.
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func TestSelect_Median_Float(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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return &FloatIterator{Points: []influxql.FloatPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 11 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 31 * Second, Value: 100},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 50 * Second, Value: 1},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 51 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 52 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 4},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 5},
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}}, nil
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}
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// Execute selection.
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itrs, err := influxql.Select(MustParseSelectStatement(`SELECT median(value) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
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if err != nil {
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t.Fatal(err)
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} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 19.5}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 0 * Second, Value: 10}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 2.5}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 30 * Second, Value: 100}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 50 * Second, Value: 3}},
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}) {
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t.Fatalf("unexpected points: %s", spew.Sdump(a))
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}
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}
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// Ensure a SELECT median() query can be executed.
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func TestSelect_Median_Integer(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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return &IntegerIterator{Points: []influxql.IntegerPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 11 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 31 * Second, Value: 100},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 50 * Second, Value: 1},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 51 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 52 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 4},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 5},
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}}, nil
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}
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// Execute selection.
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itrs, err := influxql.Select(MustParseSelectStatement(`SELECT median(value) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
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if err != nil {
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t.Fatal(err)
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} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 19.5}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 0 * Second, Value: 10}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 2.5}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 30 * Second, Value: 100}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 50 * Second, Value: 3}},
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}) {
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t.Fatalf("expected 1 iterator, got %d", len(itrs))
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}
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}
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// Ensure a SELECT stddev() query can be executed.
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func TestSelect_Stddev(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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return &FloatIterator{Points: []influxql.FloatPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 11 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 31 * Second, Value: 100},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 50 * Second, Value: 1},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 51 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 52 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 4},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 5},
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}}, nil
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}
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// Execute selection.
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itrs, err := influxql.Select(MustParseSelectStatement(`SELECT stddev(value) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
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if err != nil {
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t.Fatal(err)
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} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 0.7071067811865476}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 0 * Second, Value: math.NaN()}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 0.7071067811865476}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 30 * Second, Value: math.NaN()}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 50 * Second, Value: 1.5811388300841898}},
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}) {
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t.Fatalf("unexpected points: %s", spew.Sdump(a))
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}
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}
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// Ensure a SELECT spread() query can be executed.
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func TestSelect_Spread(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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return &FloatIterator{Points: []influxql.FloatPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 11 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 31 * Second, Value: 100},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 50 * Second, Value: 1},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 51 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 52 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 4},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 5},
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}}, nil
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}
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// Execute selection.
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itrs, err := influxql.Select(MustParseSelectStatement(`SELECT spread(value) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
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if err != nil {
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t.Fatal(err)
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} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 1}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 0 * Second, Value: 0}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 1}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 30 * Second, Value: 0}},
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{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 50 * Second, Value: 4}},
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}) {
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t.Fatalf("unexpected points: %s", spew.Sdump(a))
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}
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}
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// Ensure a SELECT percentile() query can be executed.
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func TestSelect_Percentile(t *testing.T) {
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var ic IteratorCreator
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ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
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return &FloatIterator{Points: []influxql.FloatPoint{
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 0 * Second, Value: 20},
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{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 5 * Second, Value: 10},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 9 * Second, Value: 19},
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{Name: "cpu", Tags: ParseTags("region=east,host=A"), Time: 10 * Second, Value: 2},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 11 * Second, Value: 3},
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{Name: "cpu", Tags: ParseTags("region=west,host=A"), Time: 31 * Second, Value: 100},
|
|
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 50 * Second, Value: 10},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 51 * Second, Value: 9},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 52 * Second, Value: 8},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 53 * Second, Value: 7},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 54 * Second, Value: 6},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 55 * Second, Value: 5},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 56 * Second, Value: 4},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 57 * Second, Value: 3},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 58 * Second, Value: 2},
|
|
{Name: "cpu", Tags: ParseTags("region=west,host=B"), Time: 59 * Second, Value: 1},
|
|
}}, nil
|
|
}
|
|
|
|
// Execute selection.
|
|
itrs, err := influxql.Select(MustParseSelectStatement(`SELECT percentile(value, 90) FROM cpu WHERE time >= '1970-01-01T00:00:00Z' AND time < '1970-01-02T00:00:00Z' GROUP BY time(10s), host fill(none)`), &ic)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 0 * Second, Value: 20}},
|
|
{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 0 * Second, Value: 10}},
|
|
{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 10 * Second, Value: 3}},
|
|
{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=A"), Time: 30 * Second, Value: 100}},
|
|
{&influxql.FloatPoint{Name: "cpu", Tags: ParseTags("host=B"), Time: 50 * Second, Value: 9}},
|
|
}) {
|
|
t.Fatalf("unexpected points: %s", spew.Sdump(a))
|
|
}
|
|
}
|
|
|
|
// Ensure a simple raw SELECT statement can be executed.
|
|
func TestSelect_Raw(t *testing.T) {
|
|
// Mock two iterators -- one for each value in the query.
|
|
var ic IteratorCreator
|
|
ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
|
|
if !reflect.DeepEqual(opt.Aux, []string{"v1", "v2"}) {
|
|
t.Fatalf("unexpected options: %s", spew.Sdump(opt.Expr))
|
|
|
|
}
|
|
return &FloatIterator{Points: []influxql.FloatPoint{
|
|
{Time: 0, Aux: []interface{}{float64(1), math.NaN()}},
|
|
{Time: 1, Aux: []interface{}{math.NaN(), float64(2)}},
|
|
{Time: 5, Aux: []interface{}{float64(3), float64(4)}},
|
|
}}, nil
|
|
}
|
|
|
|
// Execute selection.
|
|
itrs, err := influxql.Select(MustParseSelectStatement(`SELECT v1, v2 FROM cpu`), &ic)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, [][]influxql.Point{
|
|
{
|
|
&influxql.FloatPoint{Time: 0, Value: 1},
|
|
&influxql.FloatPoint{Time: 0, Value: math.NaN()},
|
|
},
|
|
{
|
|
&influxql.FloatPoint{Time: 1, Value: math.NaN()},
|
|
&influxql.FloatPoint{Time: 1, Value: 2},
|
|
},
|
|
{
|
|
&influxql.FloatPoint{Time: 5, Value: 3},
|
|
&influxql.FloatPoint{Time: 5, Value: 4},
|
|
},
|
|
}) {
|
|
t.Fatalf("unexpected points: %s", spew.Sdump(a))
|
|
}
|
|
}
|
|
|
|
// Ensure a SELECT binary expr queries can be executed as floats.
|
|
func TestSelect_BinaryExpr_Float(t *testing.T) {
|
|
var ic IteratorCreator
|
|
ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
|
|
return &FloatIterator{Points: []influxql.FloatPoint{
|
|
{Name: "cpu", Time: 0 * Second, Value: 20, Aux: []interface{}{float64(20)}},
|
|
{Name: "cpu", Time: 5 * Second, Value: 10, Aux: []interface{}{float64(10)}},
|
|
{Name: "cpu", Time: 9 * Second, Value: 19, Aux: []interface{}{float64(19)}},
|
|
}}, nil
|
|
}
|
|
|
|
for _, test := range []struct {
|
|
Name string
|
|
Statement string
|
|
Points [][]influxql.Point
|
|
}{
|
|
{
|
|
Name: "rhs binary add",
|
|
Statement: `SELECT value + 2 FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 0 * Second, Value: 22}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 5 * Second, Value: 12}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 9 * Second, Value: 21}},
|
|
},
|
|
},
|
|
{
|
|
Name: "lhs binary add",
|
|
Statement: `SELECT 2 + value FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 0 * Second, Value: 22}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 5 * Second, Value: 12}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 9 * Second, Value: 21}},
|
|
},
|
|
},
|
|
{
|
|
Name: "rhs binary multiply",
|
|
Statement: `SELECT value * 2 FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 0 * Second, Value: 40}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 5 * Second, Value: 20}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 9 * Second, Value: 38}},
|
|
},
|
|
},
|
|
{
|
|
Name: "lhs binary multiply",
|
|
Statement: `SELECT 2 * value FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 0 * Second, Value: 40}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 5 * Second, Value: 20}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 9 * Second, Value: 38}},
|
|
},
|
|
},
|
|
{
|
|
Name: "rhs binary subtract",
|
|
Statement: `SELECT value - 2 FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 0 * Second, Value: 18}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 5 * Second, Value: 8}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 9 * Second, Value: 17}},
|
|
},
|
|
},
|
|
{
|
|
Name: "lhs binary subtract",
|
|
Statement: `SELECT 2 - value FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 0 * Second, Value: -18}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 5 * Second, Value: -8}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 9 * Second, Value: -17}},
|
|
},
|
|
},
|
|
{
|
|
Name: "rhs binary division",
|
|
Statement: `SELECT value / 2 FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 0 * Second, Value: 10}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 5 * Second, Value: 5}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 9 * Second, Value: float64(19) / 2}},
|
|
},
|
|
},
|
|
{
|
|
Name: "lhs binary division",
|
|
Statement: `SELECT 38 / value FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 0 * Second, Value: 1.9}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 5 * Second, Value: 3.8}},
|
|
{&influxql.FloatPoint{Name: "cpu", Time: 9 * Second, Value: 2}},
|
|
},
|
|
},
|
|
} {
|
|
itrs, err := influxql.Select(MustParseSelectStatement(test.Statement), &ic)
|
|
if err != nil {
|
|
t.Errorf("%s: parse error: %s", test.Name, err)
|
|
} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, test.Points) {
|
|
t.Errorf("%s: unexpected points: %s", test.Name, spew.Sdump(a))
|
|
}
|
|
}
|
|
}
|
|
|
|
// Ensure a SELECT binary expr queries can be executed as integers.
|
|
func TestSelect_BinaryExpr_Integer(t *testing.T) {
|
|
var ic IteratorCreator
|
|
ic.CreateIteratorFn = func(opt influxql.IteratorOptions) (influxql.Iterator, error) {
|
|
return &IntegerIterator{Points: []influxql.IntegerPoint{
|
|
{Name: "cpu", Time: 0 * Second, Value: 20, Aux: []interface{}{int64(20)}},
|
|
{Name: "cpu", Time: 5 * Second, Value: 10, Aux: []interface{}{int64(10)}},
|
|
{Name: "cpu", Time: 9 * Second, Value: 19, Aux: []interface{}{int64(19)}},
|
|
}}, nil
|
|
}
|
|
|
|
for _, test := range []struct {
|
|
Name string
|
|
Statement string
|
|
Points [][]influxql.Point
|
|
}{
|
|
{
|
|
Name: "rhs binary add",
|
|
Statement: `SELECT value + 2 FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 0 * Second, Value: 22}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 5 * Second, Value: 12}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 9 * Second, Value: 21}},
|
|
},
|
|
},
|
|
{
|
|
Name: "lhs binary add",
|
|
Statement: `SELECT 2 + value FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 0 * Second, Value: 22}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 5 * Second, Value: 12}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 9 * Second, Value: 21}},
|
|
},
|
|
},
|
|
{
|
|
Name: "rhs binary multiply",
|
|
Statement: `SELECT value * 2 FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 0 * Second, Value: 40}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 5 * Second, Value: 20}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 9 * Second, Value: 38}},
|
|
},
|
|
},
|
|
{
|
|
Name: "lhs binary multiply",
|
|
Statement: `SELECT 2 * value FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 0 * Second, Value: 40}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 5 * Second, Value: 20}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 9 * Second, Value: 38}},
|
|
},
|
|
},
|
|
{
|
|
Name: "rhs binary subtract",
|
|
Statement: `SELECT value - 2 FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 0 * Second, Value: 18}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 5 * Second, Value: 8}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 9 * Second, Value: 17}},
|
|
},
|
|
},
|
|
{
|
|
Name: "lhs binary subtract",
|
|
Statement: `SELECT 2 - value FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 0 * Second, Value: -18}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 5 * Second, Value: -8}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 9 * Second, Value: -17}},
|
|
},
|
|
},
|
|
{
|
|
Name: "rhs binary division",
|
|
Statement: `SELECT value / 2 FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 0 * Second, Value: 10}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 5 * Second, Value: 5}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 9 * Second, Value: 9}},
|
|
},
|
|
},
|
|
{
|
|
Name: "lhs binary division",
|
|
Statement: `SELECT 38 / value FROM cpu`,
|
|
Points: [][]influxql.Point{
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 0 * Second, Value: 1}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 5 * Second, Value: 3}},
|
|
{&influxql.IntegerPoint{Name: "cpu", Time: 9 * Second, Value: 2}},
|
|
},
|
|
},
|
|
} {
|
|
itrs, err := influxql.Select(MustParseSelectStatement(test.Statement), &ic)
|
|
if err != nil {
|
|
t.Errorf("%s: parse error: %s", test.Name, err)
|
|
} else if a := Iterators(itrs).ReadAll(); !deep.Equal(a, test.Points) {
|
|
t.Errorf("%s: unexpected points: %s", test.Name, spew.Sdump(a))
|
|
}
|
|
}
|
|
}
|