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Posted to commits@kylin.apache.org by lu...@apache.org on 2015/05/01 16:06:09 UTC
[02/12] incubator-kylin git commit: add FAQ for AcceptPartialResults
add FAQ for AcceptPartialResults
Project: http://git-wip-us.apache.org/repos/asf/incubator-kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-kylin/commit/267c98c6
Tree: http://git-wip-us.apache.org/repos/asf/incubator-kylin/tree/267c98c6
Diff: http://git-wip-us.apache.org/repos/asf/incubator-kylin/diff/267c98c6
Branch: refs/heads/0.7.1
Commit: 267c98c6992faa05f5a3a04f0d83d98e20dfebc7
Parents: 5db5700
Author: honma <ho...@ebay.com>
Authored: Mon Apr 27 10:40:42 2015 +0800
Committer: honma <ho...@ebay.com>
Committed: Mon Apr 27 10:40:42 2015 +0800
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docs/MISC/FAQ on Kylin Installation and Usage.md | 9 +++++++++
1 file changed, 9 insertions(+)
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http://git-wip-us.apache.org/repos/asf/incubator-kylin/blob/267c98c6/docs/MISC/FAQ on Kylin Installation and Usage.md
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diff --git a/docs/MISC/FAQ on Kylin Installation and Usage.md b/docs/MISC/FAQ on Kylin Installation and Usage.md
index a568614..2891cfe 100644
--- a/docs/MISC/FAQ on Kylin Installation and Usage.md
+++ b/docs/MISC/FAQ on Kylin Installation and Usage.md
@@ -41,3 +41,12 @@ The cardinality of dimensions is an important measure of cube complexity. The hi
#### What is the difference between Kylin and Druid
take a look at http://mail-archives.apache.org/mod_mbox/incubator-kylin-dev/201503.mbox/%3Ctencent_0DAD681A15F3B2F2379CADC9%40qq.com%3E
+
+#### Getting wrong result for the query with order by
+By default if you're making queries on the web client, a mode called "AcceptPartialResults" is enabled​, this is a protection mechanism that will only return part of the results to reduce server overhead. Honestly it might hurt the correctness of order by queries.
+
+If you're seeking 100% correctness, after running the query you will find a notification:
+Note: Current results are partial, please click 'Show All' button to get all results.
+Click the "Show All" button to disable the "AcceptPartialResults" mode, and you'll get a right result.
+
+Notice "AcceptPartialResults" is only enabled by default at web client, you'll not meet such problems if you're using JDBC, ODBC or standard REST API.