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[FLINK-7101] Fix Non-windowed group-aggregate error when using `minIdleStateRetentionTime` config and retract agg - Flink - [issue]
...When Non-windowed group-aggregate using minIdleStateRetentionTime config and retract AGG, Will emit "NULL" agg value which we do not expect. For example: (IntSumWithRetractAggFunction)1. Rec...
http://issues.apache.org/jira/browse/FLINK-7101    Author: sunjincheng , 2017-07-17, 14:34
[FLINK-6975] Add CONCAT/CONCAT_WS supported in TableAPI - Flink - [issue]
...See FLINK-6925 for detail....
http://issues.apache.org/jira/browse/FLINK-6975    Author: sunjincheng , 2017-07-16, 15:25
[FLINK-7173] Fix the illustration of tumbling window. - Flink - [issue]
...Change it to :...
http://issues.apache.org/jira/browse/FLINK-7173    Author: sunjincheng , 2017-07-14, 01:42
[FLINK-6617] Improve JAVA and SCALA logical plans consistent test - Flink - [issue]
...Currently,we need some `StringExpression` test,for all JAVA and SCALA API.Such as:`GroupAggregations`,`GroupWindowAggregaton`(Session,Tumble),`Calc` etc....
http://issues.apache.org/jira/browse/FLINK-6617    Author: sunjincheng , 2017-07-13, 14:28
[FLINK-6649] Improve Non-window group aggregate with configurable `earlyFire`. - Flink - [issue]
...Currently,  Non-windowed group aggregate is earlyFiring at count(1), that is every row will emit a aggregate result. But some times user want config count number (`early firing with cou...
http://issues.apache.org/jira/browse/FLINK-6649    Author: sunjincheng , 2017-07-10, 21:27
[FLINK-6925] Add CONCAT/CONCAT_WS supported in SQL - Flink - [issue]
...CONCAT(str1,str2,...)Returns the string that results from concatenating the arguments. May have one or more arguments. If all arguments are nonbinary strings, the result is a nonbinary strin...
http://issues.apache.org/jira/browse/FLINK-6925    Author: sunjincheng , 2017-07-05, 15:24
[FLINK-7025] Using NullByteKeySelector for Unbounded ProcTime NonPartitioned Over - Flink - [issue]
...Currently we added `Cleanup State` feature. But It not work well if we enabled the stateCleaning on Unbounded ProcTime NonPartitioned Over window, Because in `ProcessFunctionWithCleanupState...
http://issues.apache.org/jira/browse/FLINK-7025    Author: sunjincheng , 2017-06-29, 22:18
[FLINK-7020] Upgrade calcite to calcite 1.13 - Flink - [issue]
...Calcite 1.13 has released, So I'll try to upgrade the dependence....
http://issues.apache.org/jira/browse/FLINK-7020    Author: sunjincheng , 2017-06-27, 16:13
[FLINK-6942] Add E() supported in TableAPI - Flink - [issue]
...See FLINK-6960 for detail....
http://issues.apache.org/jira/browse/FLINK-6942    Author: sunjincheng , 2017-06-26, 08:48
[CALCITE-1827] Document TIMESTAMPADD, TIMESTAMPDIFF functions - Calcite - [issue]
...Document TIMESTAMPADD, TIMESTAMPDIFF functions.(Initial request was to add DATEADD as built-in scalar function, as follows. But it turns out that TIMESTAMPADD is similar enough.)Syntax: DATE...
http://issues.apache.org/jira/browse/CALCITE-1827    Author: sunjincheng , 2017-06-26, 08:29