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Re: Adding new drill functions to optiq syntax - Drill - [mail # dev]
...There are some differences between Drill simple functions and aggregatefunctions.For Drill simple function, optiq will check Drill function registry whethera function exists. So, all you nee...
   Author: Jinfeng Ni, 2014-09-22, 15:20
[expand - 4 more] - Re: Review Request 25877: DRILL-1383 : Supported interpreted evaluation of Drill expression. - Drill - [mail # dev]
...I thought it would be ok to add a method just to return a static data field, even when we try to use scalar replacement.Or, how about change getType() into a static method? Will a static met...
   Author: Jinfeng Ni, 2014-09-22, 05:07
Re: Varargs in DrillSimpleFunc - Drill - [mail # dev]
...VarArgs is currently not supported.  To add support of VarArgs, thingsmight require to be changed:1.  In function template, a new annotation would be added to mark parameteras VarA...
   Author: Jinfeng Ni, 2014-09-12, 17:34
Re: [VOTE] Release Apache Drill version 0.5.0-incubating (rc2) - Drill - [mail # dev]
...+1 (non-binding)1. Verified the checksums of both source and binary packages.2. Did a full build from the downloaded source package. All unit testspassed.3. Run example queries and several T...
   Author: Jinfeng Ni, 2014-09-04, 17:56
[DRILL-1265] Drill incorrectly return null value when evaluates an expression of repeated list. - Drill - [issue]
...This is a follow-up issue after DRILL-1258.  After the compiler error is fixed, the query completes with null value in the repeated list.JSON data: { "a" : [ { "x": [[1], [2, 20], [3, 3...
http://issues.apache.org/jira/browse/DRILL-1265    Author: Jinfeng Ni, 2014-08-31, 18:43
[expand - 2 more] - Re: Review Request 25012: DRILL-1131: Stats function regr_avgx, regr_avgy - Drill - [mail # dev]
...I probably looked at the prior version.We probably should address the issue of null vs NaN vs 0, together for other existing aggregation functions.If 'C' and 'F' come from JOSN file, they bo...
   Author: Jinfeng Ni, 2014-08-29, 22:34
[DRILL-982] Parquet reader should return NULL value for non-exist column in execution phase, in stead of raising ExecutionSetupException - Drill - [issue]
...If query a non-exist column against a parquet file, DRILL currently raises ExecutionSetupException:SELECT  NON_EXIT_COLUMN from cp.`tpch/nation.parquet`;This will cause problem, when we...
http://issues.apache.org/jira/browse/DRILL-982    Author: Jinfeng Ni, 2014-08-29, 18:55
[DRILL-1355] Drill may miss using storage engine specific rules in optimizer.   - Drill - [issue]
...Currently, Drill implementation uses a static variable for the rulesets used by optimizer. Once the rule set variable is initialized,  it will not be updated, even if there is new stora...
http://issues.apache.org/jira/browse/DRILL-1355    Author: Jinfeng Ni, 2014-08-29, 18:55
[DRILL-1335] Merge Join incorrectly return unqualified rows when join key is null. - Drill - [issue]
...Drill's merge join operator incorrectly returns unqualified rows, when join key is null value.  For example,alter session set `planner.enable_hashjoin` = false;// Q1select * from cp.`re...
http://issues.apache.org/jira/browse/DRILL-1335    Author: Jinfeng Ni, 2014-08-29, 18:55
[DRILL-1337] TPCH Q13 may return incorrect rows :  Drill may incorrectly pull up a local right filter in a left outer join condition. - Drill - [issue]
...For TPCH Q13, Drill may discard some qualified rows, since Drill pulls up a local RHS filter in a left outer join, and put it on top of Join. There means the local RHS is treated as a post-j...
http://issues.apache.org/jira/browse/DRILL-1337    Author: Jinfeng Ni, 2014-08-29, 18:55
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