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https://issues.apache.org/jira/browse/FLINK-9557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16507845#comment-16507845
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Timo Walther commented on FLINK-9557:
-------------------------------------
I will assign this issue to me as we need to find a solution that works for all
table components (including code generation).
> FlinkTypeFactory should support BigInteger type
> -----------------------------------------------
>
> Key: FLINK-9557
> URL: https://issues.apache.org/jira/browse/FLINK-9557
> Project: Flink
> Issue Type: New Feature
> Affects Versions: 1.5.0
> Reporter: Dominik Wosiński
> Priority: Major
>
> Currently,
> {code:java}
> FlinkTypeFactory.typeInfoToSqlTypeName(typeInfo: TypeInformation[_]) {code}
> does not support _BigInteger_, and since this is default type returned by
> {code:java}
> JsonSchemaConverter.convert(String schema){code}
> for all fields with type: _integer_ this can be problematic for anyone who
> wants to force values to be of type Integer or Long.
> In 1.5.0 it is possible to register stream with _BigInteger_ as a type, but
> using this field in __SELECT query will cause it to fail due to problem above.
>
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