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[IMPALA-110] Add support for multiple distinct operators in the same query block - Impala - [issue]
...Impala only allows a single (DISTINCT columns) expression in each query.Note:If you do not need precise accuracy, you can produce an estimate of the distinct values for a column by specifyin...
http://issues.apache.org/jira/browse/IMPALA-110    Author: Greg Rahn , 2018-10-01, 20:00
[expand - 1 more] - Jira Epics - Impala - [mail # dev]
...So it appears that "Issues in Epic" only show of you are logged intoJira.   ¯\_(ツ)_/¯On Tue, Sep 25, 2018 at 5:22 PM Adam Holley  wrote:>> Do you have a Jira where it's not s...
   Author: Greg Rahn , 2018-09-26, 01:16
[IMPALA-589] add sql function to return the impalad coordinator hostname - Impala - [issue]
...When using a proxy, etc. there isnt a way for a client to know what impalad it is connected to.  Adding a sql function to return this value would prove useful....
http://issues.apache.org/jira/browse/IMPALA-589    Author: Greg Rahn , 2018-09-24, 20:52
[IMPALA-4025] add functions PERCENTILE_DISC(), PERCENTILE_CONT(), and MEDIAN() - Impala - [issue]
...Add the following functions as both an aggregate function and window/analytic function: PERCENTILE_CONT PERCENTILE_DISC MEDIAN (impmented as PERCENTILE_CONT(0.5))SyntaxPERCENTILE_CONT(<pe...
http://issues.apache.org/jira/browse/IMPALA-4025    Author: Greg Rahn , 2018-09-14, 20:05
[IMPALA-5607] Add additional units to EXTRACT, DATE_PART, TRUNC for temporal data types - Impala - [issue]
...For EXTRACT, DATE_PART, add: week dow (day of week) doy (day of year) seconds (to complment second) microsecond / microseconds nanosecond / nanosecondsFor TRUNC add: SS (seconds)For less tha...
http://issues.apache.org/jira/browse/IMPALA-5607    Author: Greg Rahn , 2018-08-03, 21:23
How to replace collect_set Hive function in Impala? - Impala - [mail # user]
...If returning a delimited string works vs an array - see group_concat()https://impala.apache.org/docs/build/html/topics/impala_group_concat.htmlOn Mon, Jul 30, 2018 at 3:18 PM Zoltan Borok-Na...
   Author: Greg Rahn , 2018-07-30, 13:57
[IMPALA-4848] add WIDTH_BUCKET() function - Impala - [issue]
...Add the built-in function WIDTH_BUCKET (expr, min_value, max_value, num_buckets)<width bucket function> is a function of four arguments, returning an integer between 0 (zero) and the v...
http://issues.apache.org/jira/browse/IMPALA-4848    Author: Greg Rahn , 2018-07-27, 20:54
[IMPALA-4741] ORDER BY behavior with UNION is incorrect - Impala - [issue]
...When a query uses the UNION, EXCEPT, or INTERSECT operators, the ORDER BY clause must be specified at the end of the statement and the results of the combined queries are sorted.  ORDER...
http://issues.apache.org/jira/browse/IMPALA-4741    Author: Greg Rahn , 2018-07-14, 00:47
Impala SQL styles - Impala - [mail # dev]
...+1 from me as wellOn Fri, Jul 13, 2018 at 9:23 AM Jim Apple  wrote:>> LGTM>> On Fri, Jul 13, 2018 at 9:19 AM, Alexandra Rodoni <> [EMAIL PROTECTED]lid> wrote:>&g...
   Author: Greg Rahn , 2018-07-13, 18:58
Re: Future of unsupported formats? - Impala - [mail # dev]
...+1 for spring cleaning (or I guess now technically summer)  =)On Wed, Jun 20, 2018 at 2:27 AM Quanlong Huang  wrote:>> +1, especially if this helps reducing your work on fixi...
   Author: Greg Rahn , 2018-06-22, 00:20