Query
Execute a single SQL query against ClickHouse
Query
Execute a single SQL query against ClickHouse
yaml
type: "io.kestra.plugin.jdbc.clickhouse.Query"Examples
yaml
id: clickhouse_query
namespace: company.team
tasks:
- id: query
type: io.kestra.plugin.jdbc.clickhouse.Query
url: jdbc:clickhouse://127.0.0.1:56982/
username: "{{ secret('CLICKHOUSE_USERNAME') }}"
password: "{{ secret('CLICKHOUSE_PASSWORD') }}"
sql: SELECT * FROM clickhouse_types
fetchType: STORE
yaml
id: query_clickhouse
namespace: company.team
tasks:
- id: create_database
type: io.kestra.plugin.jdbc.clickhouse.Query
sql: CREATE DATABASE IF NOT EXISTS helloworld
- id: create_table
type: io.kestra.plugin.jdbc.clickhouse.Query
sql: |
CREATE TABLE IF NOT EXISTS helloworld.my_first_table
(
user_id String,
message String,
timestamp DateTime,
metric Float32
)
ENGINE = MergeTree()
PRIMARY KEY (user_id, timestamp)
- id: insert_data
type: io.kestra.plugin.jdbc.clickhouse.Query
sql: |
INSERT INTO helloworld.my_first_table (user_id, message, timestamp,
metric) VALUES
(101, 'Hello, ClickHouse!', now(), -1.0 ),
(102, 'Insert a lot of rows per batch', yesterday(), 1.41421 ),
(102, 'Sort your data based on your commonly-used queries', today(), 2.718 ),
(101, 'Granules are the smallest chunks of data read', now() + 5, 3.14159 )
- id: query_and_store_as_json
type: io.kestra.plugin.jdbc.clickhouse.Query
sql: SELECT user_id, message FROM helloworld.my_first_table
fetchType: STORE
pluginDefaults:
- type: io.kestra.plugin.jdbc.clickhouse.Query
values:
url: jdbc:clickhouse://host.docker.internal:8123/
username: default
Properties
sql *Requiredstring
url *Requiredstring
afterSQL string
fetchSize integerstring
Default
10000fetchType string
Default
NONEPossible Values
STOREFETCHFETCH_ONENONEparameters object
password string
timeZoneId string
username string
Outputs
row object
rows array
SubTypeobject
size integer
uri string
Format
uriMetrics
fetch.size counter
Unit
rows