tree db106ebc39eeb51dfa18b9ad32d4ec5e1117e485
parent daee357673a2dc194c2b1d5762baee40f47d23f3
author haomarch <marchpure@126.com> 1592390660 +0800
committer liuzhi <371684521@qq.com> 1592551387 +0800

[CARBONDATA-3856] Support the LIMIT operator for show segments command

Why is this PR needed?
When the number segments is large, "SHOW SEGMENTS" time overhead is too high. The LIMIT operator shall be supported in the SHOW SEGMENTS command.

What changes were proposed in this PR?
Add LIMIT operator in the grammar parsing and read segments function.

Does this PR introduce any user interface change?
YES

Is any new testcase added?
YES

This closes #3792