pradomota edited a comment on issue #26524: [SPARK-29898][SQL] Support Avro Custom Logical Types URL: https://github.com/apache/spark/pull/26524#issuecomment-558100279 Hi @gengliangwang, thanks for your answering! This is just an extension for support custom logical types from Avro to SQL. At he moment Spark only supports the following hardcoded logical-types: `date`, ` timestamp-millis`, `timestamp-micros` & `decimal`. With this extension you can add your custom logical types and map it to the properly SQL type. For example; read a string ISO date from Avro (marked as `iso-date` logical type) and use as DateType in Spark.
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