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Posted to issues@flink.apache.org by "Benchao Li (Jira)" <ji...@apache.org> on 2020/05/28 11:43:00 UTC

[jira] [Created] (FLINK-18002) Support forcing varchar type in Json format

Benchao Li created FLINK-18002:
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             Summary: Support forcing varchar type in Json format
                 Key: FLINK-18002
                 URL: https://issues.apache.org/jira/browse/FLINK-18002
             Project: Flink
          Issue Type: Improvement
          Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
            Reporter: Benchao Li


Currently in json format, if the field type is varchar, we will call `JsonNode.asText()` which we always assumes the JsonNode is a TextNode.

However, in many cases, we want to force it as varchar for other types, etc ObjectNode. We should use `JsonNode.toString()` for other JsonNode instead of `JsonNode.asText()`.



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