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Handling numeric types in JSON - Drill - [mail # dev]
...Hello Drillers,I have been taking a look at our open JIRA's for our JSON reader and tryingto figure out the best way to improve the usability of Drill without addingtoo much complexity to th...
   Author: Jason Altekruse, 2014-08-07, 19:31
[DRILL-1264] Fix operators to work with embedded types - Drill - [issue]
...Currently there are several operators such as sort, group by and join that assume a constant schema. One example of a bug introduced by this assumption is the current functionality of breaki...
http://issues.apache.org/jira/browse/DRILL-1264    Author: Jason Altekruse, 2014-08-06, 01:11
[DRILL-1263] Extend complex reader/writer to handle Embedded Types - Drill - [issue]
...Once we add Embedded vectors to allow schema changes within a batch, we will have to update the readers and writers for formats that allow schema changes to handle these cases....
http://issues.apache.org/jira/browse/DRILL-1263    Author: Jason Altekruse, 2014-08-06, 00:48
[DRILL-1262] Promotion of vectors from standard to embedded vectors - Drill - [issue]
...For cases where the schema changes frequently, such as in the json reader, we will want to allow the operators to assume regular vectors can be used until we hit a schema change, at which ti...
http://issues.apache.org/jira/browse/DRILL-1262    Author: Jason Altekruse, 2014-08-06, 00:47
[DRILL-1261] Support in functions for heterogeneous and embedded types - Drill - [issue]
...To handle dynamic schema within a batch we will need to allow the functions defined in drill to adjust their computation method for different types without recompiling the  generated co...
http://issues.apache.org/jira/browse/DRILL-1261    Author: Jason Altekruse, 2014-08-06, 00:43
[DRILL-1260] Embedded Type Vector - Drill - [issue]
...Value vectors currently have a single type for all of the values they contain. This enforces that the schema within a single record batch be constant, thus we cannot support changing the typ...
http://issues.apache.org/jira/browse/DRILL-1260    Author: Jason Altekruse, 2014-08-06, 00:36
[DRILL-1257] Handle schema mutations within a batch - Drill - [issue]
...Drill is intended to provide flexibility for a wide variety of querying use cases, including those against file formats with changing schema such as JSON. Currently Drill does not have an ef...
http://issues.apache.org/jira/browse/DRILL-1257    Author: Jason Altekruse, 2014-08-05, 23:49
[DRILL-1255] Allow change from integer to double type and vice versa in JSON reader - Drill - [issue]
...Currently the JSON reader for drill will fail if there is any schema change in a file. For the time being, this is expected for a significant change in type, such as a change between types w...
http://issues.apache.org/jira/browse/DRILL-1255    Author: Jason Altekruse, 2014-08-05, 22:23
Re: Apache Drill Installation : select * from sys.drillbits Failing - Drill - [mail # user]
...Have we dropped support for janino? Is a JDK installation a requirement ofrunning Drill to compile the runtime generated code?-JasonOn Tue, Aug 5, 2014 at 9:00 AM, Ben Knorr  wrote:&nbs...
   Author: Jason Altekruse, 2014-08-05, 18:51
Re: select columns[n] does not accept aliases? - Drill - [mail # dev]
...While this is a common problem for parsers to crap out on misuse ofreserved words, it might make sense to produce a warning when the errorfrom the parser likely has something to do with an u...
   Author: Jason Altekruse, 2014-07-30, 21:47
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