Drop Partition
This section applies only to MRS 3.5.0-LTS or later.
Function
This command is used to delete a single partition or multiple partitions.
Syntax
alter table $tableName drop partition (Partitioning field= 'Match condition')
Example
// Delete a partition. alter table $tableName drop partition (dt='2021-10-01') // Delete partitions. alter table $tableName drop partition (dt='2021-10-01', dt='2021-10-02') // Fuzzy match to delete multiple partitions. alter table $tableName drop partition (dt='2021-10-*') // Delete the partition of October.
Precautions
You can use fuzzy match to delete multiple partitions. Only asterisks (*) are supported. Complex regular expressions are not supported.
Response
You can view command execution results in the driver log or on the client.