Drop Partitions Impala at Douglas Byrd blog

Drop Partitions Impala. Alter table historical_data drop partition (year = 1996 and. You can designate the hdfs directory that. I tried the following query,. Multiple partitions can be dropped with the following syntax: In cdh 5.5 / impala 2.3 and higher, the alter table statement can change the metadata for tables containing complex types (. You can add or drop partitions, to work with different portions of a huge data set. Delete data directly on the filesystem and lately tell impala to drop the. It allows rewriting the table according to the latest schema and partition layout, and also offers the flexibility of file. Do it via impala by using the drop partition sql statement. For example, dropping a partition without deleting the associated files lets impala consider a smaller set of partitions, improving query.

Using the Impala shell
from docs.cloudera.com

Multiple partitions can be dropped with the following syntax: Do it via impala by using the drop partition sql statement. Delete data directly on the filesystem and lately tell impala to drop the. In cdh 5.5 / impala 2.3 and higher, the alter table statement can change the metadata for tables containing complex types (. You can designate the hdfs directory that. It allows rewriting the table according to the latest schema and partition layout, and also offers the flexibility of file. For example, dropping a partition without deleting the associated files lets impala consider a smaller set of partitions, improving query. Alter table historical_data drop partition (year = 1996 and. You can add or drop partitions, to work with different portions of a huge data set. I tried the following query,.

Using the Impala shell

Drop Partitions Impala You can designate the hdfs directory that. Multiple partitions can be dropped with the following syntax: I tried the following query,. In cdh 5.5 / impala 2.3 and higher, the alter table statement can change the metadata for tables containing complex types (. Do it via impala by using the drop partition sql statement. Delete data directly on the filesystem and lately tell impala to drop the. For example, dropping a partition without deleting the associated files lets impala consider a smaller set of partitions, improving query. It allows rewriting the table according to the latest schema and partition layout, and also offers the flexibility of file. You can designate the hdfs directory that. Alter table historical_data drop partition (year = 1996 and. You can add or drop partitions, to work with different portions of a huge data set.

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