David Zhu

Remove zookeeper related code

3

### What changes are proposed in this pull request? With 3.0 architecture, Zookeeper related leader election functionality is no longer needed. This is a first attempt to remove most of...

GH-3141: Add constructor to ParquetFileReader to allow passing in parquet footer

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### Rationale for this change HadoopFile is getting deprecated, it is useful to be able to pass in a parsed footer instead of reading the footer every time ### What...

Add more constructors to ParquetFileReader

4

### Describe the enhancement requested It seems that we are moving towards InputFile instead of HadoopConf and path (indicated by the deprecation notice), but the constructors using InputFile are missing...