You mean the key-value metadata at the schema/field-level? That can
be binary (it gets base64-encoded when written to Parquet)

On Wed, Nov 4, 2020 at 10:22 AM Jason Sachs <[email protected]> wrote:
>
> OK. If I take the manual approach, do parquet / arrow care whether metadata 
> is binary or not?
>
> On 2020/11/04 14:16:37, Wes McKinney <[email protected]> wrote:
> > There is not to my knowledge.
> >
> > On Tue, Nov 3, 2020 at 5:55 PM Jason Sachs <[email protected]> wrote:
> > >
> > > Is there any built-in method to compress parquet metadata? From what I 
> > > can tell, the main table columns are compressed, but not the metadata.
> > >
> > > I have metadata which includes 100-200KB of text (JSON format) that is 
> > > easily compressible... is there any alternative to doing it myself?
> >

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