[jira] [Resolved] (PARQUET-1014) Conflicts in declaring Column Writer of same type

["yugu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PARQUET-1014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

yugu resolved PARQUET-1014.
---------------------------
       Resolution: Fixed
    Fix Version/s: cpp-1.1.0

turns out int64_t cannot be written without def/rep level.

> Conflicts in declaring Column Writer of same type
> -------------------------------------------------
>
>                 Key: PARQUET-1014
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1014
>             Project: Parquet
>          Issue Type: Bug
>          Components: parquet-cpp
>    Affects Versions: cpp-1.1.0
>            Reporter: yugu
>            Priority: Minor
>             Fix For: cpp-1.1.0
>
>
> Error when trying to write multiple row groups and declare column writer (compile passes tho running into mem mapping issue)
> I've been trying to do something like write several int/double columns, yet the second declaration of writer of the same type using next column crashes.
> eg. say I have [int64.int64.int64,...double,double]
> for (int __c = 0; __c < #columns; __c++)
> {
>     if (type == int64)
>     {
>         parquet::Int64Writer* int64_writer = static_cast<parquet::Int64Writer*>(rg_writer->NextColumn());
>     }
>     else if (type == double)
>     {
>         parquet::DoubleWriter *double_writer = static_cast<parquet::DoubleWriter *>(rg_writer->NextColumn());
>     }
> }
> I've been looking through the examples in parquet-cpp repo but could not find a fix (or similar example).



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