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