Thanks Mohammad.
I reviewed the HIVE-6784 patch and it has performance penalties because the
way is implemented.
I think we can do the promotion in a different way to avoid such penalties.
If you take a look at ParquetStringInspector.java, this class gets a String
value from different string writ
Hi Sergio,
Thanks for your reply.
I found one such effort :
https://issues.apache.org/jira/browse/HIVE-6784
I consider to try it differently.
Similar stuffs in ORC:
https://issues.apache.org/jira/browse/HIVE-10591
Regards,
Mohammad
On Wednesday, October 7, 2015 8:58 AM, Sergio Pena
wrote
Hi Mohammad,
Currently, Hive + Parquet does not support auto casting for wider types.
That is be a very good idea to implement in Hive.
I'll investigate the hive + parquet code, and see if it is something we can
add in a future release.
- Sergio
On Tue, Oct 6, 2015 at 7:23 PM, Mohammad Islam
w
Any hive+parquet user/dev to address this?
Regards,
Mohammad
On Monday, October 5, 2015 3:41 PM, Mohammad Islam wrote:
Hi,
Does the parquet table support auto casting to wider data types? For example,
If I have a parquet table where some parquet data files which have "int" as
data type a
Hi,Does the parquet table support auto casting to wider data types? For
example, If I have a parquet table where some parquet data files which have
"int" as data type and other files have "long" data type for the same field.
The table schema has type "bigint" for the same field.Does hive can rea