ALTER ROUTINE LOAD

description

This syntax is used to modify a routine import job that has been created.

Only jobs in the PAUSED state can be modified.

Syntax:

ALTER ROUTINE LOAD FOR [db.]job_name
[job_properties]
FROM data_source
[data_source_properties]

1. [db.]job_name

   Specify the name of the job to be modified.

2. job_properties

   Specify the job parameters that need to be modified. Currently only supports the modification of the following parameters:

   1. desired_concurrent_number
   2. max_error_number
   3. max_batch_interval
   4. max_batch_rows
   5. max_batch_size
   6. jsonpaths
   7. json_root
   8. strip_outer_array
   9. strict_mode
   10. timezone

3. data_source

   The type of data source. Currently supported:

   KAFKA

4. data_source_properties

   The relevant attributes of the data source. Currently only supports:

   1. kafka_partitions
   2. kafka_offsets
   3. Custom property, such as property.group.id

   Notice：

   1. kafka_partitions and kafka_offsets are used to modify the offset of the kafka partition to be consumed, and can only modify the currently consumed partition. Cannot add partition.

example

1. Modify desired_concurrent_number to 1

   ALTER ROUTINE LOAD FOR db1.label1
   PROPERTIES
   (
       "desired_concurrent_number" = "1"
   );

2. Modify desired_concurrent_number to 10, modify partition offset, and modify group id。

   ALTER ROUTINE LOAD FOR db1.label1
   PROPERTIES
   (
       "desired_concurrent_number" = "10"
   )
   FROM kafka
   (
       "kafka_partitions" = "0, 1, 2",
       "kafka_offsets" = "100, 200, 100",
       "property.group.id" = "new_group"
   );

keyword

ALTER,ROUTINE,LOAD