kyuubi/docs/sql
ulysses-you 1003f5296c
[KYUUBI #1321] Add config to control if zorder using global sort
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### _Why are the changes needed?_
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Add a new config `spark.sql.optimizer.zorderGlobalSort.enabled` to control if we do a global sort using zorder. This is a trade-off with data skew if the zorder columns has low cardinality.

### _How was this patch tested?_
- [x] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1321 from ulysses-you/zorder-config.

Closes #1321

422599e4 [ulysses-you] delete table
c11e2f4f [ulysses-you] doc
b984b537 [ulysses-you] Add config to control if zorder using global sort

Authored-by: ulysses-you <ulyssesyou18@gmail.com>
Signed-off-by: ulysses-you <ulyssesyou@apache.org>
2021-11-02 19:17:11 +08:00
..
functions.md [KYUUBI #660] Add UDF session_user 2021-10-26 17:12:50 +08:00
index.rst [KYUUBI #939] z-order performance_test 2021-09-29 17:51:37 +08:00
rules.md [KYUUBI #1321] Add config to control if zorder using global sort 2021-11-02 19:17:11 +08:00
z-order-benchmark.md [KYUUBI #1257] [BUILD] Reduce unnecessary maven profile 2021-10-22 14:51:42 +08:00