Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1886#discussion_r165249189
--- Diff: docs/data-management-on-carbondata.md ---
@@ -703,6 +704,194 @@ This tutorial is going to introduce all commands and
data operations on CarbonDa
* The partitioned column can be excluded from SORT_COLUMNS, this will
let other columns to do the efficient sorting.
* When writing SQL on a partition table, try to use filters on the
partition column.
+## PRE-AGGREGATE TABLES
--- End diff --
Please add some example to show the plan matching mechanism, like what
query will hit which datamap
---