# I need help with Flux

**URL:** <https://community.influxdata.com/t/i-need-help-with-flux/18467>\
**Category:** InfluxDB 2\
**Created:** [February 20, 2021, 12:09pm UTC](https://community.influxdata.com/t/i-need-help-with-flux/18467 "2021-02-20T12:09:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Frans\_Verduyn\_Lunel](https://sea1.discourse-cdn.com/flex023/user_avatar/community.influxdata.com/frans_verduyn_lunel/32/6683_2.png) [@Frans\_Verduyn\_Lunel](https://community.influxdata.com/u/Frans_Verduyn_Lunel)\
**Post date:** [February 20, 2021, 12:09pm UTC](https://community.influxdata.com/t/i-need-help-with-flux/18467/1 "2021-02-20T12:09:09Z")

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I want to select all distinct values of db into a Grafana variable. I get only the first value. The query is the following:

from(bucket: “Telegraf”)  
|\> range(start: v.timeRangeStart, stop: v.timeRangeStop)  
|\> filter(fn: ® =\> r["\_measurement"] == “postgresql”)  
|\> keep(columns: [“db”])  
|\> distinct(column: “db”)

---

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**Author:** ![scott](https://sea1.discourse-cdn.com/flex023/user_avatar/community.influxdata.com/scott/32/16492_2.png) [@scott](https://community.influxdata.com/u/scott)\
**Post date:** [February 22, 2021, 8:39pm UTC](https://community.influxdata.com/t/i-need-help-with-flux/18467/2 "2021-02-22T20:39:33Z")

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@Frans_Verduyn_Lunel you could use the [`schema.tagValues()` function](https://docs.influxdata.com/influxdb/v2.0/reference/flux/stdlib/influxdb-schema/tagvalues/):

```auto
import "influxdata/influxdb/schema"

schema.tagValues(
  bucket: "Telegraf",
  tag: "db",
  start: v.timeRangeStart
)

```

---

<div class="post-metadata">

**Author:** ![Frans\_Verduyn\_Lunel](https://sea1.discourse-cdn.com/flex023/user_avatar/community.influxdata.com/frans_verduyn_lunel/32/6683_2.png) [@Frans\_Verduyn\_Lunel](https://community.influxdata.com/u/Frans_Verduyn_Lunel)\
**Post date:** [February 25, 2021, 2:35pm UTC](https://community.influxdata.com/t/i-need-help-with-flux/18467/3 "2021-02-25T14:35:24Z")

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Hi Scott,

Thank you very much 👍