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[HIVE-801] row-wise IN would be useful - Hive - [issue]
...SELECT * FROM tablename tWHERE IN(12345,key1,key2,key3);...IN would operate on a given row, and return True when the first argument equaled at least one of the other arguments. So here IN wo...
http://issues.apache.org/jira/browse/HIVE-801    Author: Adam Kramer, 2011-12-17, 00:03
[HIVE-243] ^C breaks out of running query, but not whole CLI - Hive - [issue]
...It would be lovely if, when I know a query is bad, I could just ^C out of it. I can do that now, but the whole CLI quits.It'd be quite nice if it took an extra ^C to break the CLI, or if the...
http://issues.apache.org/jira/browse/HIVE-243    Author: Adam Kramer, 2011-12-16, 23:56
[HIVE-835] Deprecate, remove, or fix MAP and REDUCE syntax. - Hive - [issue]
...There are syntactic elements MAP and REDUCE which function as syntactic sugar for SELECT TRANSFORM. This behavior is not at all intuitive, because no checking or verification is done to ensu...
http://issues.apache.org/jira/browse/HIVE-835    Author: Adam Kramer, 2011-11-25, 20:35
[HIVE-2537] Disallow useless DISTRIBUTE BY/SORT BY/CLUSTER BY in strict mode - Hive - [issue]
...This query:CREATE TABLE my_tablename ASSELECT a, b, cFROM somewhereCLUSTER BY c;...has an unnecessary CLUSTER BY, because the resulting data will be loaded into a non-bucketed table without ...
http://issues.apache.org/jira/browse/HIVE-2537    Author: Adam Kramer, 2011-10-31, 18:28
[HIVE-2232] Any query to a partition column should access the metastore and not the data - Hive - [issue]
...The metastore contains all of the data on the possible values, etc., for all partition columns (including subpartitions). So, any query that actually reads or uses data from partition column...
http://issues.apache.org/jira/browse/HIVE-2232    Author: Adam Kramer, 2011-10-29, 15:22
[HIVE-2480] UDAF: Multiple iterator() functions not respected - Hive - [issue]
...The UDAF function allows definition of an iterator() function. In keeping with how Java works and how the UDF (non-aggregating) structure works, multiple iterator() functions should be defin...
http://issues.apache.org/jira/browse/HIVE-2480    Author: Adam Kramer, 2011-10-04, 18:03
[HIVE-2475] Allow UDAFs to short-circuit - Hive - [issue]
...Imagine a udaf called ALL, which returns true when ALL of the entries in the column are true. Then, this UDAF can return false for the group as soon as any item seen is false. The Hive UDF f...
http://issues.apache.org/jira/browse/HIVE-2475    Author: Adam Kramer, 2011-10-03, 17:16
[HIVE-2327] Optimize REGEX UDFs with constant parameter information - Hive - [issue]
...There are a lot of UDFs which would show major performance differences if one assumes that some of its arguments are constant.Consider, for example, any UDF that takes a regular expression a...
http://issues.apache.org/jira/browse/HIVE-2327    Author: Adam Kramer, 2011-09-12, 23:25
[HIVE-1395] Table aliases are ambiguous - Hive - [issue]
...Consider this query:SELECT a.num FROM (  SELECT a.num AS num, b.num AS num2  FROM foo a LEFT OUTER JOIN bar b ON a.num=b.num) aWHERE a.num2 IS NULL;...in this case, the t...
http://issues.apache.org/jira/browse/HIVE-1395    Author: Adam Kramer, 2011-08-31, 23:43
[HIVE-2409] Semicolons in strings/comments are parsed as query-ending. - Hive - [issue]
...This fails:select '.? (f_.?)[ ;$]' from akramer_one_row ;This succeeds:select '.? (f_.?)[ \;$]' from akramer_one_row ;...there is no reasonable syntactic structure that wuold require the esc...
http://issues.apache.org/jira/browse/HIVE-2409    Author: Adam Kramer, 2011-08-29, 10:39
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