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Mingyu Chen 748604ff4f [RoutineLoad] Support alter broker list and topic for kafka routine load (#6335 )

```
alter routine load for cmy2 from kafka("kafka_broker_list" = "ip2:9094", "kafka_topic" = "my_topic");
```

This is useful when the kafka broker list or topic has been changed.

Also modify `show create routine load`, support showing  "kafka_partitions" and "kafka_offsets".

2021-08-03 11:58:38 +08:00

2.6 KiB

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title, language

title	language
ALTER ROUTINE LOAD	zh-CN

ALTER ROUTINE LOAD

description

该语法用于修改已经创建的例行导入作业。

只能修改处于 PAUSED 状态的作业。

语法：

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

[db.]job_name

指定要修改的作业名称。
tbl_name

指定需要导入的表的名称。
job_properties

指定需要修改的作业参数。目前仅支持如下参数的修改：
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
11. num_as_string
12. fuzzy_parse
data_source

数据源的类型。当前支持：

KAFKA
data_source_properties

数据源的相关属性。目前仅支持：
1. kafka_partitions
2. kafka_offsets
3. kafka_broker_list
4. kafka_topic
5. 自定义 property，如 property.group.id
注：
1. kafka_partitions 和 kafka_offsets 用于修改待消费的 kafka partition 的offset，仅能修改当前已经消费的 partition。不能新增 partition。

example

将 desired_concurrent_number 修改为 1

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

将 desired_concurrent_number 修改为 10，修改 partition 的offset，修改 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

2.6 KiB Raw Blame History

ALTER ROUTINE LOAD

description

example

keyword

2.6 KiB

Raw Blame History