+1 On Fri, Aug 23, 2024 at 8:51 AM Nong Li <[email protected]> wrote:
> +1. > > On Fri, Aug 23, 2024 at 12:57 PM Jan Finis <[email protected]> wrote: > > > I would also appreciate having native Variant support in Parquet. > > > > Am Fr., 23. Aug. 2024 um 12:10 Uhr schrieb Fokko Driesprong < > > [email protected]>: > > > > > Hey Gang, > > > > > > Thanks for raising this. +1 from my end. > > > > > > For context, as Gang mentioned, when proposing to add a Variant Type to > > > Iceberg <https://github.com/apache/iceberg/issues/10392>, one of the > > > future > > > goals was to integrate more closely with Parquet, and having the spec > at > > > Parquet will help to speed this up. > > > > > > Kind regards, > > > Fokko > > > > > > Op vr 23 aug 2024 om 11:37 schreef Gábor Szádovszky <[email protected] > >: > > > > > > > Hi Gang, > > > > > > > > Thanks for bringing this up. > > > > > > > > I think that if Variant type would have come up earlier (before > > > > iceberg/arrow), its natural place would have been at the file format > > > level > > > > as any other types. The communities started discussing where it > should > > be > > > > placed because now we have different type systems at different > places. > > > > Also, the current spec of Variant makes it more or less independent > > from > > > > the Parquet file format. > > > > However, even at Parquet level, we would need at least an additional > > > > Logical type to help handle Variant type by the systems > reading/writing > > > > Parquet. > > > > > > > > To summarize my opinion, +1 for having the whole Variant spec in > > Parquet > > > > format. > > > > > > > > Cheers, > > > > Gabor > > > > > > > > Gang Wu <[email protected]> ezt írta (időpont: 2024. aug. 23., P, > > 11:18): > > > > > > > > > Hi, > > > > > > > > > > Apache Iceberg is adding variant type support [1][2] by adopting > the > > > > > variant > > > > > spec [3] from Apache Spark. As the proposal is getting mature, both > > > > Iceberg > > > > > [4] > > > > > and Spark [5] communities are discussing moving the variant type to > > > > Parquet > > > > > repo to avoid divergence. Moving it into Parquet makes the variant > > spec > > > > > engine > > > > > and table format agnostic, which may encourage wider adoption. > > > > > > > > > > What do people from Parquet community think? > > > > > > > > > > [1] > https://lists.apache.org/thread/xnyo1k66dxh0ffpg7j9f04xgos0kwc34 > > > > > [2] > https://lists.apache.org/thread/xcyytoypgplfr74klg1z2rgjo6k5b0sq > > > > > [3] > > > > > > > > > > > > > > > > > > > > https://github.com/apache/spark/blob/d84f1a3575c4125009374521d2f179089ebd71ad/common/variant/README.md > > > > > [4] > https://lists.apache.org/thread/hopkr2f0ftoywwt9zo3jxb7n0ob5s5bw > > > > > [5] > https://lists.apache.org/thread/0k5oj3mn0049fcxoxm3gx3d7r28gw4rj > > > > > > > > > > Best, > > > > > Gang > > > > > > > > > > > > > > >
