http://impala.apache.org/docs/build/html/topics/impala_create_table.html#create_table
I think you can follow these two steps in order: 1. Make an external table referring to the CSV 2. Use CREATE TABLE AS SELECT to make a parquet table On Mon, Aug 14, 2017 at 7:48 PM, sky <x_h...@163.com> wrote: > csv file on the HDFS. > > > > > > > > At 2017-08-15 10:42:13, "Jim Apple" <jbap...@cloudera.com> wrote: >>Is the data in a format that Impala can read? >> >>On Mon, Aug 14, 2017 at 7:31 PM, sky <x_h...@163.com> wrote: >>> Thank you, >>> I read the document.But it only describes the conversion of internal >>> and external tables.How to directly load data to parquet table? Could you >>> provide an example? Thank You ! >>> >>> >>> >>> >>> >>> >>> >>> At 2017-08-15 03:25:43, "Jim Apple" <jbap...@cloudera.com> wrote: >>>>Maybe this will help: >>>> >>>>http://impala.apache.org/docs/build/html/topics/impala_create_table.html#create_table >>>> >>>>"Although the EXTERNAL and LOCATION clauses are often specified >>>>together, LOCATION is optional for external tables, and you can also >>>>specify LOCATION for internal tables. The difference is all about >>>>whether Impala "takes control" of the underlying data files and moves >>>>them when you rename the table, or deletes them when you drop the >>>>table. For more about internal and external tables and how they >>>>interact with the LOCATION attribute, see Overview of Impala Tables." >>>> >>>>On Thu, Aug 10, 2017 at 10:45 PM, sky <x_h...@163.com> wrote: >>>>> Hi all, >>>>> Is there any way to load data from hdfs to parquet table not via >>>>> external table or inner table？ > > > >
