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added contrib fn note, added link to group key definition

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Scott Anderson 2020-08-04 08:50:17 -06:00
parent 071f428daf
commit c27ea4f3c3
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content/v2.0/reference/flux/stdlib/contrib/rows/map.md
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@ -15,7 +15,8 @@ related:
The `rows.map()` function is an alternate implementation of [`map()`](/v2.0/reference/flux/stdlib/built-in/transformations/map/)
that is faster, but more limited than `map()`.
`rows.map()` cannot modify table groups key and, therefore, does not need to regroup tables.
`rows.map()` cannot modify [groups keys](/v2.0/reference/glossary/#group-key) and,
therefore, does not need to regroup tables.
**Attempts to change columns in the group key are ignored.**
_**Function type:** Transformation_