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Row group layout anomalies - Parquet - [mail # dev]
...Hi,PARQUET-1337 describes the problem of ending up with a drasticallydifferent (and worse) row group layout than intended under certaincircumstances.A few weeks ago I started tweaking the lo...
   Author: Zoltan Ivanfi , 2018-10-01, 12:58
[PARQUET-1369] [Python] Unavailable Parquet column statistics from Spark-generated file - Parquet - [issue]
...I have a dataset generated by spark which shows it has statistics for the string column when using the java parquet-mr code (shown by using `parquet-tools meta`) however reading from pyarrow...
http://issues.apache.org/jira/browse/PARQUET-1369    Author: Robert Gruener , 2018-09-30, 21:53
[PARQUET-1160] [C++] Implement BYTE_ARRAY-backed Decimal reads - Parquet - [issue]
...These are valid in the parquet spec, but it seems like no system in use today implements a writer for this type.What systems support writing Decimals with this underlying type?...
http://issues.apache.org/jira/browse/PARQUET-1160    Author: Phillip Cloud , 2018-09-30, 08:59
[PARQUET-1431] [C++] Automaticaly set thrift to use boost for thrift versions before 0.11 - Parquet - [issue]
...PARQUET_THRIFT_USE_BOOST is a cmake option. But instead parquet should automatically set the definition PARQUET_THRIFT_USE_BOOST based on the thrift version....
http://issues.apache.org/jira/browse/PARQUET-1431    Author: Deepak Majeti , 2018-09-29, 11:12
[expand - 1 more] - widening primitive conversion in parquet dictionary - Parquet - [mail # dev]
...Type promotion should be done when constructing records, not in thedecoder. The decoding level should return exactly the data that was in thefile and allow higher-level logic to decide what ...
   Author: Ryan Blue , Swapnil Chougule , ... , 2018-09-28, 16:36
[PARQUET-1337] Current block alignment logic may lead to several row groups per block - Parquet - [issue]
...When the size of buffered data gets near the desired row group size, Parquet flushes the data to a row group. However, at this point the data for the last page is not yet encoded nor compres...
http://issues.apache.org/jira/browse/PARQUET-1337    Author: Gabor Szadovszky , 2018-09-28, 16:03
[PARQUET-1419] Enable old readers to access unencrypted columns in files with plaintext footer - Parquet - [issue]
http://issues.apache.org/jira/browse/PARQUET-1419    Author: Gidon Gershinsky , 2018-09-28, 04:49
[PARQUET-1430] [C++] Add tests for C++ tools - Parquet - [issue]
...We currently do not have any tests for the tools....
http://issues.apache.org/jira/browse/PARQUET-1430    Author: Deepak Majeti , 2018-09-27, 15:50
[expand - 4 more] - parquet sync notes - Parquet - [mail # dev]
...Hi,I have created the feature branches:- https://github.com/apache/parquet-mr/tree/bloom-filter- https://github.com/apache/parquet-format/tree/bloom-filter- https://github.com/apache/parquet...
   Author: Zoltan Ivanfi , 俊杰陈 , ... , 2018-09-27, 15:31
[PARQUET-1429] Turn off DocLint on parquet-format - Parquet - [issue]
...DocLint is introduced in Java 8, and since the generated code in parquet-format has several issues found by DocLint, attach-javadocs goal will fail....
http://issues.apache.org/jira/browse/PARQUET-1429    Author: Nandor Kollar , 2018-09-27, 14:24