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Updates segment metadata query documentation (#10589) 

* updates segment metadata query documentation to be clearer about cardinality estimation

* typo in documentation
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michaelschiff 2020-11-19 10:38:27 -08:00 committed by GitHub
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@ -144,8 +144,8 @@ Types of column analyses are described below:
### cardinality ### cardinality
* `cardinality` in the result will return the estimated floor of cardinality for each column. Only relevant for * `cardinality` in the result will return the size of the bitmap index or dictionary encoding for string dimensions, or null for other dimension types.
dimension columns. If `merge` was set, the result will be the max of this value across segments. Only relevant for dimension columns.
### minmax ### minmax