MarvinLitt opened a new pull request #4189:
URL: https://github.com/apache/carbondata/pull/4189
support query with latest segment, when configure the TBLPROPERTIES that
include "query_latest_segment".
### Why is this PR needed?
some scenarios:
the number of data rows does not change.
The data of each column is increasing and changing.
At this scenario, it is faster load full data each time using load command.
In this case, the query only needs to query the latest segment
Need a way to control the table do like this.
### What changes were proposed in this PR?
add a new property :query_latest_segment
when set 'true' ,it will get the latestSegment for query
when set 'false' or not set， there will be no impact.
### Does this PR introduce any user interface change?
- No
### Is any new testcase added?
- Yes add new LatestSegmentTestCases
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