Yes, I think.
2014-07-16 14:52 GMT+08:00 Lefty Leverenz <leftylever...@gmail.com>: > HIVE-7314 is documented in the Configuration Properties wiki ( > hive.cache.expr.evaluation > <https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.cache.expr.evaluation>) > and at the beginning of the Operators and UDFs > <https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF> > wiki. The latter includes a link to this email thread. > > Does that take care of it? > > -- Lefty > > > On Sun, Jul 13, 2014 at 3:57 AM, Navis류승우 <navis....@nexr.com> wrote: > >> For "cache.expr.evaluation" problem, it's fixed in >> https://issues.apache.org/jira/browse/HIVE-7314 (will be included in >> next release) >> >> But I agree that it can be a critical problem for users of 0.12.0 and >> 0.13.x version and need proper warning on that. >> >> Thanks, >> Navis >> >> >> 2014-07-13 16:48 GMT+09:00 郭士伟 <guoshi...@gmail.com>: >> >> And I haven't add other information in the wikidoc yet. >>> >>> >>> 2014-07-04 14:37 GMT+08:00 Lefty Leverenz <leftylever...@gmail.com>: >>> >>>> The 'hive.cache.expr.evaluation' parameter is documented in the wikidoc >>>> Configuration >>>> Properties >>>> <https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.cache.expr.evaluation>. >>>> Have you added other information in a different wikidoc? If so, I'll link >>>> the docs to each other. >>>> >>>> -- Lefty >>>> >>>> >>>> On Thu, May 29, 2014 at 5:31 AM, Lefty Leverenz < >>>> leftylever...@gmail.com> wrote: >>>> >>>>> Thank you for pointing this out. The 'hive.cache.expr.evaluation' >>>>> parameter was added by HIVE-4209 >>>>> <https://issues.apache.org/jira/browse/HIVE-4209> and it needs to be >>>>> included in the wiki. Its description is in hive-default.xml.template: >>>>> >>>>> If true, evaluation result of deterministic expression referenced >>>>>> twice or more will be cached. For example, in filter condition like ".. >>>>>> where key + 10 > 10 or key + 10 = 0" "key + 10" will be evaluated/cached >>>>>> once and reused for following expression ("key + 10 = 0"). Currently, >>>>>> this >>>>>> is applied only to expressions in select or filter operator. >>>>> >>>>> >>>>> Do you want to provide more information than that? To contribute to >>>>> the wiki, create a Confluence account >>>>> <https://cwiki.apache.org/confluence/signup.action> and send a >>>>> message to this list asking for wiki editing privilege and giving your >>>>> account name. But if you just want the description to be added to the >>>>> wiki, I can take care of that. >>>>> >>>>> If you have additional information, it might not belong in Configuration >>>>> Properties >>>>> <https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties> >>>>> (although >>>>> once the parameter is there it can link to another page for details). The >>>>> Select >>>>> <https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Select> >>>>> page is one possibility, or maybe you'll find a better place for it. >>>>> >>>>> If you want to revise the description in hive-default.xml.template, >>>>> you need to open a JIRA and patch the file. >>>>> >>>>> >>>>> -- Lefty >>>>> >>>>> >>>>> On Sat, May 24, 2014 at 1:01 AM, 郭士伟 <guoshi...@gmail.com> wrote: >>>>> >>>>>> I have used a configuration property 'hive.cache.expr.evaluation' in >>>>>> hive 0.12 recently and found it useful. But I cannot find any documents >>>>>> about it on the wiki page: >>>>>> https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties. >>>>>> Indeed, I pick it up from the source code. >>>>>> >>>>>> I think it maybe useful for other hive users if I can write some >>>>>> documents about the property. >>>>>> >>>>>> So, can anyone give me some pointers that how can I make the change >>>>>> happen ? >>>>>> >>>>>> Thanks, anyway. >>>>>> >>>>> >>>>> >>>> >>> >> >
