This page describes the Avro support for Ultra Format Definition Language (UFDL). This functionality enables you to compile Avro definitions, to encode data into, and from the Avro format. A schema in Avro is represented in JSON. You can implement non-protocol data issues in an Analysis agent. 

Overview

Avro parsing in UFDL is managed by applying the avro_block construct.

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The output from an Avro encoder represents a single Avro record, not a complete Avro data file. To de-serialize these records using a third-party tool, add the correct Avro header to the records based on the description of Avro provided in the link below.

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• Line and Column are not fully implemented.
• No string values are permitted in APL for the enum type.
• Encoding the Avro object container file is not supported.
• aliases are not fully supported.
• default is not fully supported.
• Cross references to other Ultra definitions are not supported.
• array of arrays is not correctly implemented. For example, array of array of x is implemented with array of y, where y is a record with one value field. This value field is an array of x.
• map of x is implemented via an array of y, where y is a record with two fields: key and value, where value is x.

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