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[MAPREDUCE-7131] Job History Server has race condition where it moves files from intermediate to finished but thinks file is in intermediate - MapReduce - [issue]
...This is the race condition that can occur: during the first scanIntermediateDirectory(), HistoryFileInfo.moveToDone() is scheduled for job j1 during the second scanIntermediateDirectory(), j...    Author: Anthony Hsu , 2018-09-07, 00:14
[HIVE-15190] Field names are not preserved in ORC files written with ACID - Hive - [issue]
...To repro:drop table if exists orc_nonacid;drop table if exists orc_acid;create table orc_nonacid (a int) clustered by (a) into 2 buckets stored as orc;create table orc_acid (a int) clustered...    Author: Anthony Hsu , 2018-07-31, 01:33
[AVRO-2078] Avro does not enforce schema resolution rules for Decimal type - Avro - [issue]
...According to the purposes of schema resolution, two schemas that are decimal logical types match if their scales and precisions match.T...    Author: Anthony Hsu , 2018-06-19, 08:57
[HIVE-15680] Incorrect results when hive.optimize.index.filter=true and same ORC table is referenced twice in query - Hive - [issue]
...To repro:set hive.optimize.index.filter=true;create table test_table(number int) stored as ORC;-- Two insertions will create two files, with one stripe eachinsert into table test_table VALUE...    Author: Anthony Hsu , 2018-05-23, 00:00
[HIVE-17530] ClassCastException when converting uniontype - Hive - [issue]
...To repro:SET hive.exec.schema.evolution = false;CREATE TABLE avro_orc_partitioned_uniontype (a uniontype<boolean, string>) PARTITIONED BY (b int) STORED AS ORC;INSERT INTO avro_orc_par...    Author: Anthony Hsu , 2018-05-22, 23:12
[ORC-236] orc-tools JsonReader does not support uniontype in schema - Orc - [issue]
...To repro:$ cat sample.json{"foo":1}$ java -jar ~/lib/orc-tools-1.4.0-uber.jar convert -s "struct<foo:uniontype<int,string>>" -o output.orc sample.jsonlog4j:WARN No appenders coul...    Author: Anthony Hsu , 2018-03-07, 01:36
[HIVE-18802] Incorrect results when referencing same Accumulo table multiple times in one query - Hive - [issue]
...While investigating HIVE-18695, I noticed incorrect results returned by the following Accumulo query:DROP TABLE accumulo_test;CREATE TABLE accumulo_test(key int, value int)STORED BY 'org.apa...    Author: Anthony Hsu , 2018-02-28, 19:34
[HIVE-15353] Metastore throws NPE if StorageDescriptor.cols is null - Hive - [issue]
...When using the HiveMetaStoreClient API directly to talk to the metastore, you get NullPointerExceptions when StorageDescriptor.cols is null in the Table/Partition object in the following cal...    Author: Anthony Hsu , 2018-02-09, 21:58
[HIVE-15438] avrocountemptytbl.q should use SORT_QUERY_RESULTS - Hive - [issue]
...In Hive 1.1.0, when building and testing using Java 1.8, I've noticed that avrocountemptytbl.q due to ordering issues:57d56< 10058a58> 100This can be fixed by adding -- SORT_QUERY_RESU...    Author: Anthony Hsu , 2017-07-21, 18:26
[HIVE-13046] DependencyResolver should not lowercase the dependency URI's authority - Hive - [issue]
...When using ADD JAR ivy://... to add a jar version 1.2.3-SNAPSHOT, Hive will lowercase it to 1.2.3-snapshot due[] authorityTokens = authority.toLowerCase()...    Author: Anthony Hsu , 2017-07-21, 17:45