[druid] branch master updated: Updates segment metadata query documentation (#10589)

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The following commit(s) were added to refs/heads/master by this push:
     new 2f4d6da  Updates segment metadata query documentation  (#10589)
2f4d6da is described below

commit 2f4d6da33fb2121120b364e58b367fe66c4b436c
Author: michaelschiff <sc...@gmail.com>
AuthorDate: Thu Nov 19 10:38:27 2020 -0800

    Updates segment metadata query documentation  (#10589)
    
    * updates segment metadata query documentation to be clearer about cardinality estimation
    
    * typo in documentation
---
 docs/querying/segmentmetadataquery.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/querying/segmentmetadataquery.md b/docs/querying/segmentmetadataquery.md
index 424ace5..227ffe8 100644
--- a/docs/querying/segmentmetadataquery.md
+++ b/docs/querying/segmentmetadataquery.md
@@ -144,8 +144,8 @@ Types of column analyses are described below:
 
 ### cardinality
 
-* `cardinality` in the result will return the estimated floor of cardinality for each column. Only relevant for
-dimension columns.
+* `cardinality` in the result will return the size of the bitmap index or dictionary encoding for string dimensions, or null for other dimension types.
+ If `merge` was set, the result will be the max of this value across segments. Only relevant for dimension columns.
 
 ### minmax
 


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