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[HIVE-2537] Disallow useless DISTRIBUTE BY/SORT BY/CLUSTER BY in strict mode - Hive - [issue]
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...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 ...
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http://issues.apache.org/jira/browse/HIVE-2537
Author: Adam Kramer,
2011-10-31, 18:28
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[HIVE-2232] Any query to a partition column should access the metastore and not the data - Hive - [issue]
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...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...
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http://issues.apache.org/jira/browse/HIVE-2232
Author: Adam Kramer,
2011-10-29, 15:22
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[HIVE-2480] UDAF: Multiple iterator() functions not respected - Hive - [issue]
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...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...
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http://issues.apache.org/jira/browse/HIVE-2480
Author: Adam Kramer,
2011-10-04, 18:03
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[HIVE-2475] Allow UDAFs to short-circuit - Hive - [issue]
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...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...
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http://issues.apache.org/jira/browse/HIVE-2475
Author: Adam Kramer,
2011-10-03, 17:16
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[HIVE-2327] Optimize REGEX UDFs with constant parameter information - Hive - [issue]
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...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...
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http://issues.apache.org/jira/browse/HIVE-2327
Author: Adam Kramer,
2011-09-12, 23:25
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[HIVE-1395] Table aliases are ambiguous - Hive - [issue]
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...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...
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http://issues.apache.org/jira/browse/HIVE-1395
Author: Adam Kramer,
2011-08-31, 23:43
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[HIVE-2409] Semicolons in strings/comments are parsed as query-ending. - Hive - [issue]
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...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...
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http://issues.apache.org/jira/browse/HIVE-2409
Author: Adam Kramer,
2011-08-29, 10:39
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[HIVE-2363] Implicitly CLUSTER BY when dynamically partitioning - Hive - [issue]
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...Whenever someone is dynamically creating partitions, the underlying implementation is to look at the output data, write it to a file so long as the partition columns are contiguous, then to ...
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http://issues.apache.org/jira/browse/HIVE-2363
Author: Adam Kramer,
2011-08-09, 22:52
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[HIVE-2330] Allow tables to warn on querying - Hive - [issue]
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...It would be excellent if I could set a TBLPROPERTY like "motd" or "motq" that means "message of the query." This message would then actually print to the CLI or stderr whenever the table was...
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http://issues.apache.org/jira/browse/HIVE-2330
Author: Adam Kramer,
2011-08-01, 19:23
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[HIVE-2317] Create a tool to MAP a function across an array. - Hive - [issue]
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...Request: A function, say FUNCTION_MAP, that will map a function (udf or native) across an array, returning the result. Desired syntax:bar:arr foo[1,2,3] 3[4,5,2] &n...
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http://issues.apache.org/jira/browse/HIVE-2317
Author: Adam Kramer,
2011-07-27, 19:53
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