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Yuce Tekol 2017-09-14 11:10:22 +03:00
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docs/query-language.md
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@ -139,18 +139,18 @@ SetColumnAttrs(<frame=STRING>, <ROW_LABEL=UINT>,
**Result Type:** null
SetColumnAttrs queries always return `null` upon success. Setting a value of `null`, without quotes, deletes an attribute.
SetColumnAttrs queries always return `null` upon success. Setting a value of `null`, without quotes, deletes an attribute. Note that, `frame` cannot be used as an attribute name.
**Examples:**
```
SetColumnAttrs(frame="stargazer", repo_id=10, stars=123, url="http://projects.pilosa.com/10", active=true)
SetColumnAttrs(repo_id=10, stars=123, url="http://projects.pilosa.com/10", active=true)
```
Set url value and active status for project 10. These are arbitrary key/value pairs which have no meaning to Pilosa. You can see the attributes you've set on a column with a [Bitmap]({{< ref "query-language.md#bitmap" >}}) query like so `Bitmap(frame="stargazer", repo_id=10)`.
```
SetColumnAttrs(frame="stargazer", repo_id=10, url=null)
SetColumnAttrs(repo_id=10, url=null)
```
Delete url value for repo 10.