Trigger
type: "io.kestra.plugin.jdbc.pinot.Trigger"
Wait for query on a Clickhouse database.
Examples
Wait for a sql query to return results and iterate through rows
id: jdbc-trigger
namespace: io.kestra.tests
tasks:
- id: each
type: io.kestra.core.tasks.flows.EachSequential
tasks:
- id: return
type: io.kestra.core.tasks.debugs.Return
format: "{{json(taskrun.value)}}"
value: "{{ trigger.rows }}"
triggers:
- id: watch
type: io.kestra.plugin.jdbc.pinot.Trigger
interval: "PT5M"
sql: "SELECT * FROM my_table"
Properties
url
- Type: string
- Dynamic: ✔️
- Required: ✔️
The jdbc url to connect to the database
fetch
- Type: boolean
- Dynamic: ❌
- Required: ❌
Whether to fetch the data from the query result to the task output This parameter is evaluated after 'fetchOne' and 'store'.
fetchOne
- Type: boolean
- Dynamic: ❌
- Required: ❌
Whether to fetch only one data row from the query result to the task output. This parameter is evaluated before 'store' and 'fetch'.
fetchSize
- Type: integer
- Dynamic: ❌
- Required: ❌
Number of rows that should be fetched
Gives the JDBC driver a hint as to the number of rows that should be fetched from the database when more rows are needed for this ResultSet object. If the fetch size specified is zero, the JDBC driver ignores the value and is free to make its own best guess as to what the fetch size should be. Ignored if autoCommit
is false.
interval
- Type: string
- Dynamic: ❌
- Required: ❌
- Default:
PT1S
- Format:
duration
Interval between polling
The interval between 2 different test of schedule, this can avoid to overload the remote system with too many call. For most of trigger that depend on external system, a minimal interval must be at least PT30S. See ISO_8601 Durations for more information of available interval value
password
- Type: string
- Dynamic: ✔️
- Required: ❌
The database user's password
sql
- Type: string
- Dynamic: ✔️
- Required: ❌
The sql query to run
store
- Type: boolean
- Dynamic: ❌
- Required: ❌
Whether to fetch data row from the query result to a file in internal storage. File will be saved as Amazon Ion (text format). See Amazon Ion documentation This parameter is evaluated after 'fetchOne' but before 'fetch'.
timeZoneId
- Type: string
- Dynamic: ❌
- Required: ❌
The time zone id to use for date/time manipulation. Default value is the worker default zone id.
username
- Type: string
- Dynamic: ✔️
- Required: ❌
The database user
Outputs
row
- Type: object
Map containing the first row of fetched data
Only populated if 'fetchOne' parameter is set to true.
rows
- Type: array
- SubType: object
Lit of map containing rows of fetched data
Only populated if 'fetch' parameter is set to true.
size
- Type: integer
The size of the fetched rows
Only populated if 'store' or 'fetch' parameter is set to true.
uri
- Type: string
The url of the result file on kestra storage (.ion file / Amazon Ion text format)
Only populated if 'store' is set to true.