[jira] [Updated] (FLINK-15289) Run sql appear error of "Zero-length character strings have no serializable string representation".

["Jark Wu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-15289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jark Wu updated FLINK-15289:
----------------------------
    Fix Version/s: 1.16.0

> Run sql appear error of "Zero-length character strings have no serializable string representation".
> ---------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-15289
>                 URL: https://issues.apache.org/jira/browse/FLINK-15289
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / API
>    Affects Versions: 1.10.0
>            Reporter: xiaojin.wy
>            Assignee: Jark Wu
>            Priority: Minor
>              Labels: auto-deprioritized-major
>             Fix For: 1.16.0
>
>
> *The sql is:*
>  CREATE TABLE `INT8_TBL` (
>  q1 BIGINT,
>  q2 BIGINT
>  ) WITH (
>  'format.field-delimiter'=',',
>  'connector.type'='filesystem',
>  'format.derive-schema'='true',
>  'connector.path'='/defender_test_data/daily_regression_batch_postgres_1.10/test_bigint/sources/INT8_TBL.csv',
>  'format.type'='csv'
>  );
> SELECT '' AS five, q1 AS plus, -q1 AS xm FROM INT8_TBL;
> *The error detail is :*
>  2019-12-17 15:35:07,026 ERROR org.apache.flink.table.client.SqlClient - SQL Client must stop. Unexpected exception. This is a bug. Please consider filing an issue.
>  org.apache.flink.table.api.TableException: Zero-length character strings have no serializable string representation.
>  at org.apache.flink.table.types.logical.CharType.asSerializableString(CharType.java:116)
>  at org.apache.flink.table.descriptors.DescriptorProperties.putTableSchema(DescriptorProperties.java:218)
>  at org.apache.flink.table.catalog.CatalogTableImpl.toProperties(CatalogTableImpl.java:75)
>  at org.apache.flink.table.factories.TableFactoryUtil.findAndCreateTableSink(TableFactoryUtil.java:85)
>  at org.apache.flink.table.client.gateway.local.LocalExecutor.executeQueryAndPersistInternal(LocalExecutor.java:688)
>  at org.apache.flink.table.client.gateway.local.LocalExecutor.executeQueryAndPersist(LocalExecutor.java:488)
>  at org.apache.flink.table.client.cli.CliClient.callSelect(CliClient.java:601)
>  at org.apache.flink.table.client.cli.CliClient.callCommand(CliClient.java:385)
>  at java.util.Optional.ifPresent(Optional.java:159)
>  at org.apache.flink.table.client.cli.CliClient.submitSQLFile(CliClient.java:271)
>  at org.apache.flink.table.client.SqlClient.openCli(SqlClient.java:125)
>  at org.apache.flink.table.client.SqlClient.start(SqlClient.java:104)
>  at org.apache.flink.table.client.SqlClient.main(SqlClient.java:180)
> *The input data is:*
>  123,456
>  123,4567890123456789
>  4567890123456789,123
>  4567890123456789,4567890123456789
>  4567890123456789,-4567890123456789



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