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[DRILL-462] Periodic connection failure with Drillbit
...Running into this quite often. Start Drill bit Connect to Drill bit via SQL line and perform few queries Stay idle for some time with no activity, SQLLine disconnects to Drill bit Connect ag...
, 2017-02-28, 04:57
[DRILL-3894] Directory functions (MaxDir, MinDir ..) should have optional filename parameter
...https://drill.apache.org/docs/query-directory-functions/The directory functions documented above should provide ability to have second parameter(file name) as optional....
, 2016-06-17, 21:32
[DRILL-1509] Query succeeds, but throws 'failure while running fragment error' with MongoDB storage plugin
...Running the following query on Mongo DB storage plugin.The query ran fine but it is throwing failure at the end.0: jdbc:drill:zk=local> select sum(pop) from zipcodes where city='CHICAGO';...
, 2015-11-08, 14:16
[DRILL-624] Use Header rows (if exists) as metadata for the text readers
...Currently the text readers return the data as array all the time. A lot of times, the source text files can have header rows which identify the field names/metadata for the data. If this exi...
, 2015-08-19, 22:26
[DRILL-2862] Convert_to/Convert_From throw assertion when an incorrect encoding type is specified
...Below is the error from SQLLine. Replacing UTF-8 to UTF8 works fine.The error message need to accurately represent the problem.0: jdbc:drill:> select Convert_from(t.address.state,'UTF-8')...
, 2015-07-23, 03:38
[DRILL-1397] Query with IN clause and correlation fails (for Text files)
...The following query fails. This could be related to https://issues.apache.org/jira/browse/DRILL-1396, but filing separate issue as the error is different.0: jdbc:drill:> select t.trans_in...
, 2015-07-07, 14:11
[DRILL-1837] Return schema on Parquet files when using DESCRIBE and when doing query validation
...Parquet files have self describing data. So as much as possible , Drill should leverage the schema and work with metadata queries.Specifically , describe table on parquet file must work....
, 2015-07-03, 01:45
[DRILL-1244] "Index out of bound Exception" with Null arrays in JSON for certain result set size
...Certain queries on a JSON dataset throwing "Index out of bounds exception" errors when they process null arrays. The Null arrays are just returned fine when a variation of the query is attem...
, 2015-05-08, 01:09
[DRILL-1340] JDBC Driver doesn't return metadata
...The Drill JDBC driver doesnt return metadata such as schemas , tables to the client applications today. So the only way to query through JDBC is by submitting an explicit query.This is a tra...
, 2015-05-04, 22:01
[DRILL-453] Query on a directory throws exception
...Following exception is thrown when issuing query against a directory.The directory contained 2 files of similar schema. Queries against each single file works but query against doesn't work....
, 2015-04-24, 18:59
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