Couchbase¶
Bases: Spout
__init__(output, state, **kwargs)
¶
Initialize the CouchbaseSpout class.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
output |
BatchOutput
|
An instance of the BatchOutput class for saving the data. |
required |
state |
State
|
An instance of the State class for maintaining the state. |
required |
**kwargs |
Any
|
Additional keyword arguments. |
{}
|
Using geniusrise to invoke via command line¶
genius CouchbaseSpout rise \
batch \
--output_s3_bucket my_bucket \
--output_s3_folder s3/folder \
none \
fetch \
--args host=localhost username=admin password=password bucket_name=my_bucket query="SELECT * FROM my_bucket" page_size=100
Using geniusrise to invoke via YAML file¶
fetch(host, username, password, bucket_name, query, page_size=100)
¶
📖 Fetch data from a Couchbase bucket and save it in batch.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
host |
str
|
The Couchbase host. |
required |
username |
str
|
The Couchbase username. |
required |
password |
str
|
The Couchbase password. |
required |
bucket_name |
str
|
The Couchbase bucket name. |
required |
query |
str
|
The N1QL query to execute. |
required |
page_size |
int
|
The number of documents to fetch per page. Defaults to 100. |
100
|
Raises:
Type | Description |
---|---|
Exception
|
If unable to connect to the Couchbase cluster or execute the query. |