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[SPARK-26912] Allow setting permission for event_log - Spark - [issue]
...Spark_event_log is set to 770 permissions by default. This will be a problem in the following scenarios.1, the user has some ugis that can not be added to the same group2, the user, who crea...    Author: Jackey Lee , 2020-03-16, 22:54
[SPARK-25937] Support user-defined schema in Kafka Source & Sink - Spark - [issue]
...    Kafka Source & Sink is widely used in Spark and has the highest frequency in streaming production environment. But at present, both Kafka Source and Link use the fixed schema, which ...    Author: Jackey Lee , 2020-03-16, 22:50
[SPARK-30036] REPARTITION hint dose not work with order by - Spark - [issue]
...Example SQL: select /*+ REPARTITION(2) */ * from test order by a== Physical Plan ==*(1) Sort a#0 ASC NULLS FIRST, true, 0+- Exchange rangepartitioning(a#0 ASC NULLS FIRST, 2), true, id=#11  ...    Author: Jackey Lee , 2020-01-31, 19:44
[SPARK-24630] SPIP: Support SQLStreaming in Spark - Spark - [issue]
...At present, KafkaSQL, Flink SQL(which is actually based on Calcite), SQLStream, StormSQL all provide a stream type SQL interface, with which users with little knowledge about streaming,  can...    Author: Jackey Lee , 2020-01-07, 00:07
[SPARK-29444] Add configuration to support JacksonGenrator to keep fields with null values - Spark - [issue]
...DataSet.toJSON will lost some column when field data is null. Maybe it is better to keep null data in some scenarios.Such as sparkmagic, which is widely used in jupyter with livy, we use toJ...    Author: Jackey Lee , 2019-10-29, 19:51
[SPARK-26394] Annotation error for Utils.timeStringAsMs - Spark - [issue]
...Utils.timeStringAsMs() is parsing time to milliseconds, but in annotation, it says "Convert a time parameter such as (50s, 100ms, or 250us) to microseconds for internal use."Thus, microsecon...    Author: Jackey Lee , 2018-12-18, 18:18