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https://issues.apache.org/jira/browse/FLINK-18002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu updated FLINK-18002:
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Fix Version/s: 1.12.0
> 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
> Assignee: Benchao Li
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> 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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