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https://issues.apache.org/jira/browse/KAFKA-6684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amit Sela updated KAFKA-6684:
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Description:
Casting from BYTES is not supported, which means that casting LogicalTypes is
not supported.
This proposes to allow casting anything to a string, kind of like Java's
{{toString()}}, such that if the object is actually a LogicalType it can be
"serialized" as string instead of bytes+schema.
{noformat}
Examples:
BigDecimal will cast to the string representation of the number.
Timestamp will cast to the string representation of the timestamp, or maybe UTC
yyyymmddTHH:MM:SS.f format?
{noformat}
Worst case, bytes are "casted" to whatever the {{toString()}} returns - its up
to the user to know the data.
This would help when using a JSON sink, or anything that's not Avro.
was:
Casting from BYTES is not supported, which means that casting LogicalTypes is
not supported.
This proposes to allow casting anything to a string, kind of like Java's
{{toString()}}, such that if the object is actually a LogicalType it can be
"serialized" as string instead of bytes+schema.
Examples:
{{BigDecimal}} will cast to the string representation of the number.
{{Timestamp}} will cast to the string representation of the timestamp, or maybe
UTC {{yyyymmddTHH:MM:SS.f}} format?
Worst case, bytes are "casted" to whatever the {{toString()}} returns - its up
to the user to know the data.
This would help when using a JSON sink, or anything that's not Avro.
> Support casting values with bytes schema to string
> ---------------------------------------------------
>
> Key: KAFKA-6684
> URL: https://issues.apache.org/jira/browse/KAFKA-6684
> Project: Kafka
> Issue Type: Improvement
> Components: KafkaConnect
> Reporter: Amit Sela
> Priority: Major
>
> Casting from BYTES is not supported, which means that casting LogicalTypes is
> not supported.
> This proposes to allow casting anything to a string, kind of like Java's
> {{toString()}}, such that if the object is actually a LogicalType it can be
> "serialized" as string instead of bytes+schema.
>
> {noformat}
> Examples:
> BigDecimal will cast to the string representation of the number.
> Timestamp will cast to the string representation of the timestamp, or maybe
> UTC yyyymmddTHH:MM:SS.f format?
> {noformat}
>
> Worst case, bytes are "casted" to whatever the {{toString()}} returns - its
> up to the user to know the data.
> This would help when using a JSON sink, or anything that's not Avro.
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