Query Query

yaml
type: "io.kestra.plugin.cassandra.Query"

Query a Cassandra database with CQL.

Examples

Send a CQL query to a Cassandra database.

yaml
id: "query"
type: "io.kestra.plugin.cassandra.Query"
session:
  endpoints:
    - hostname: localhost
  username: cassandra_user
  password: cassandra_passwd
cql: SELECT * FROM CQL_KEYSPACE.CQL_TABLE
fetch: true

Properties

cql

  • Type: string
  • Dynamic: ✔️
  • Required: ✔️

CQL query to execute.

session

The session connection properties.

fetch

  • Type: boolean
  • Dynamic:
  • Required:
  • Default: false

Whether to fetch the data from the query result to the task output.

fetchOne

  • Type: boolean
  • Dynamic:
  • Required:
  • Default: false

Whether to fetch only one data row from the query result to the task output.

store

  • Type: boolean
  • Dynamic:
  • Required:
  • Default: false

Whether to store the data from the query result into an ion serialized data file.

Outputs

bytes

  • Type: integer
  • Dynamic:
  • Required:

The size of the binary response in bytes.

row

  • Type: object
  • Dynamic:
  • Required:

Map containing the first row of fetched data Only populated if 'fetchOne' parameter is set to true.

rows

  • Type: array
  • SubType: object
  • Dynamic:
  • Required:

Lit of map containing rows of fetched data Only populated if 'fetch' parameter is set to true.

size

  • Type: integer
  • Dynamic:
  • Required:

The size of the fetched rows Only populated if 'store' or 'fetch' parameter is set to true.

uri

  • Type: string
  • Dynamic:
  • Required:
  • Format: uri

The url of the result file on kestra storage (.ion file / Amazon Ion text format) Only populated if 'store' is set to true.

Definitions

io.kestra.plugin.cassandra.CassandraDbSession-Endpoint

Properties

hostname
  • Type: string
  • Dynamic: ✔️
  • Required: ✔️
  • Min length: 1

The hostname of the Cassandra server.

port
  • Type: integer
  • Dynamic:
  • Required: ✔️
  • Default: 9042

The port of the Cassandra server.

serverName
  • Type: string
  • Dynamic: ✔️
  • Required:

The SNI server name. In the context of Cloud, this is the string representation of the host ID.

io.kestra.plugin.cassandra.CassandraDbSession

Properties

applicationName
  • Type: string
  • Dynamic: ✔️
  • Required:

The name of the application using the created session. It will be sent in the STARTUP protocol message, under the key APPLICATION_NAME, for each new connection established by the driver. Currently, this information is used by Insights monitoring (if the target cluster does not support Insights, the entry will be ignored by the server).

endpoints

List of contact endpoints to use for the initial connection to the cluster.

localDatacenter
  • Type: string
  • Dynamic: ✔️
  • Required:

Specifies the datacenter that is considered "local" by the load balancing policy.

password
  • Type: string
  • Dynamic: ✔️
  • Required:

Plaintext authentication password.

username
  • Type: string
  • Dynamic: ✔️
  • Required:

Plaintext authentication username.