orc

orc copied to clipboard

ORC-962: Add a test coverage for `SargsApplier::findColumn` case-sensitivity

1

dongjoon-hyun

ORC-1124: Add C++ benchmark

1

dongjoon-hyun

ORC-1180: Implement an ORC Rust writer

6

dongjoon-hyun

Add a copyright messaging to the BpackingAvx512.hh

4

### What changes were proposed in this pull request? Add copyright messaging to BpackingAvx512.hh ### Why are the changes needed? The vector unpacking functions in this PR[ https://github.com/apache/orc/pull/1375]() is derived...

guangzegu

ORC-1403: ORC supports reading empty field name

5

### What changes were proposed in this pull request? `ParserUtils` removes empty check ### Why are the changes needed? https://github.com/apache/spark/pull/35253#issuecomment-1321866542 ```java java.lang.IllegalArgumentException: Empty quoted field name at 'struct'     at org.apache.orc.impl.ParserUtils.parseName(ParserUtils.java:114)    ...

cxzl25

[C++] RowReaderImpl::next return inconsistant data in certain case

3

**Background info:** In a spark project, we are using orc c++ as acceleration lib to access hdfs files, comparing to original spark table scan with java/scala code. We found some...

chenpingzeng

[C++] Order of row index streams does not match the order of streams in the file footer

10

When writing a file with a string column and multiple row groups, the resulting file has incorrect row index streams. The string column is encoded using direct encoding. The file...

vuule

Java impl does not fully adhere to the usage contract of `ColumnVector.noNulls` and `ColumnVector.isNull`

4

The comments in ColumnVector indicate that we should only use the `isNull` array to determine null values when `noNulls` is set to false. This helps us reuse `ColumnVector`, for example,...

guiyanakuang

Support read large statistics exceed 2GB

7

In Java and C++ reader, we cannot read the orc file with statistics exceed 2GB. We should find a new way or design to support read these files. ``` com.google.protobuf.InvalidProtocolBufferException:...

deshanxiao

ORC-1700: Write parquet decimal type data in Benchmark using `FIXED_LEN_BYTE_ARRAY` type

5

### What changes were proposed in this pull request? This PR aims to write parquet decimal type data in Benchmark using `FIXED_LEN_BYTE_ARRAY` type. ### Why are the changes needed? Because...

cxzl25