Serialization InferAvroSchemaFromIon

Serialization InferAvroSchemaFromIon

Certified

Infer an Avro schema from an ION file

Scans up to numberOfRowsToScan rows of an ION file and infers a compatible Avro schema, writing the result as an .avsc file in Kestra's internal storage. The output URI can be passed directly to IonToAvro or IonToParquet as a schema reference.

yaml
type: io.kestra.plugin.serdes.avro.InferAvroSchemaFromIon

Infer an Avro schema from an ION file

yaml
id: infer_avro_schema
namespace: company.team

tasks:
  - id: infer
    type: io.kestra.plugin.serdes.avro.InferAvroSchemaFromIon
    from: "{{ outputs.previous_task.uri }}"
    numberOfRowsToScan: 100
Properties

ION source file URI

Assets this task consumes as inputs or produces as outputs, for lineage tracking and the asset graph (Enterprise Edition). A flow declaring this property on a task is rejected in the open-source edition.

Definitions
assetFailureBehaviorstring
Possible Values
IGNOREFAILWARN

Asset failure behavior

Behavior applied to the task state when a declared asset fails to render, emit, or be persisted (e.g. a lock conflict): FAIL escalates it to FAILED, WARN (default) warns it if it would otherwise succeed, IGNORE leaves the state untouched.

enableAutobooleanstring

Whether to auto-register assets referenced dynamically at runtime that are not statically declared in inputs or outputs.

inputsarray

The assets consumed as inputs.

id*string
Min length1
typestring
outputs

The assets produced as outputs.

id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*string
Min length1

Custom asset type

descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
Default100

The number of rows that will be scanned; the larger the number of rows, the more precise the output schema will be

Formaturi

Avro schema file URI