Apache Airflow · Schema
TaskInstance
TaskInstance schema from Apache Airflow API
ApacheDAGData PipelineETLOpen-SourceOrchestrationPythonSchedulingWorkflows
Properties
| Name | Type | Description |
|---|---|---|
| dag_id | string | |
| dag_run_id | string | The DagRun ID for this task instance *New in version 2.3.0* |
| duration | number | |
| end_date | string | |
| execution_date | string | |
| executor_config | string | |
| hostname | string | |
| map_index | integer | |
| max_tries | integer | |
| note | string | Contains manually entered notes by the user about the TaskInstance. *New in version 2.5.0* |
| operator | string | *Changed in version 2.1.1*: Field becomes nullable. |
| pid | integer | |
| pool | string | |
| pool_slots | integer | |
| priority_weight | integer | |
| queue | string | |
| queued_when | string | |
| rendered_fields | object | JSON object describing rendered fields. *New in version 2.3.0* |
| sla_miss | object | |
| start_date | string | |
| state | object | |
| task_id | string | |
| trigger | object | |
| triggerer_job | object | |
| try_number | integer | |
| unixname | string |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://raw.githubusercontent.com/api-evangelist/apache-airflow/refs/heads/main/json-schema/openapi.yaml-task-instance-schema.json",
"title": "TaskInstance",
"description": "TaskInstance schema from Apache Airflow API",
"type": "object",
"properties": {
"dag_id": {
"type": "string"
},
"dag_run_id": {
"description": "The DagRun ID for this task instance\n\n*New in version 2.3.0*\n",
"type": "string"
},
"duration": {
"nullable": true,
"type": "number"
},
"end_date": {
"format": "datetime",
"nullable": true,
"type": "string"
},
"execution_date": {
"format": "datetime",
"type": "string"
},
"executor_config": {
"type": "string"
},
"hostname": {
"type": "string"
},
"map_index": {
"type": "integer"
},
"max_tries": {
"type": "integer"
},
"note": {
"description": "Contains manually entered notes by the user about the TaskInstance.\n\n*New in version 2.5.0*\n",
"nullable": true,
"type": "string"
},
"operator": {
"description": "*Changed in version 2.1.1*: Field becomes nullable.\n",
"nullable": true,
"type": "string"
},
"pid": {
"nullable": true,
"type": "integer"
},
"pool": {
"type": "string"
},
"pool_slots": {
"type": "integer"
},
"priority_weight": {
"nullable": true,
"type": "integer"
},
"queue": {
"nullable": true,
"type": "string"
},
"queued_when": {
"nullable": true,
"type": "string"
},
"rendered_fields": {
"description": "JSON object describing rendered fields.\n\n*New in version 2.3.0*\n",
"type": "object"
},
"sla_miss": {
"$ref": "#/components/schemas/SLAMiss",
"nullable": true
},
"start_date": {
"format": "datetime",
"nullable": true,
"type": "string"
},
"state": {
"$ref": "#/components/schemas/TaskState",
"nullable": true
},
"task_id": {
"type": "string"
},
"trigger": {
"$ref": "#/components/schemas/Trigger",
"nullable": true
},
"triggerer_job": {
"$ref": "#/components/schemas/Job",
"nullable": true
},
"try_number": {
"type": "integer"
},
"unixname": {
"type": "string"
}
}
}
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