You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@flink.apache.org by "Rui Li (Jira)" <ji...@apache.org> on 2020/05/29 07:04:00 UTC
[jira] [Commented] (FLINK-18030) Hive UDF doesn't accept empty
string literal parameter
[ https://issues.apache.org/jira/browse/FLINK-18030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17119328#comment-17119328 ]
Rui Li commented on FLINK-18030:
--------------------------------
The issue was reported in user ML: https://lists.apache.org/thread.html/r26e10719251a8d29509ce919515ef4db1e3ccbf5cb9de8bd6a0d6056%40%3Cuser-zh.flink.apache.org%3E
> Hive UDF doesn't accept empty string literal parameter
> ------------------------------------------------------
>
> Key: FLINK-18030
> URL: https://issues.apache.org/jira/browse/FLINK-18030
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Hive
> Reporter: Rui Li
> Priority: Major
> Fix For: 1.12.0
>
>
> Empty string literal parameters are considered to be of type {{CHAR(0)}}, which is not supported in Hive. Therefore calling functions like {{REGEXP_REPLACE('abcd', 'a', '')}} would fail with exception:
> {noformat}
> Caused by: java.lang.RuntimeException: Char length 0 out of allowed range [1, 255]
> at org.apache.hadoop.hive.serde2.typeinfo.BaseCharUtils.validateCharParameter(BaseCharUtils.java:39)
> at org.apache.hadoop.hive.serde2.typeinfo.CharTypeInfo.(CharTypeInfo.java:33)
> at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory.createPrimitiveTypeInfo(TypeInfoFactory.java:146)
> at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory.getPrimitiveTypeInfo(TypeInfoFactory.java:109)
> at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory.getCharTypeInfo(TypeInfoFactory.java:165)
> at org.apache.flink.table.catalog.hive.util.HiveTypeUtil$TypeInfoLogicalTypeVisitor.visit(HiveTypeUtil.java:191)
> at org.apache.flink.table.catalog.hive.util.HiveTypeUtil$TypeInfoLogicalTypeVisitor.visit(HiveTypeUtil.java:173)
> at org.apache.flink.table.types.logical.CharType.accept(CharType.java:149)
> at org.apache.flink.table.catalog.hive.util.HiveTypeUtil.toHiveTypeInfo(HiveTypeUtil.java:84)
> at org.apache.flink.table.functions.hive.HiveSimpleUDF.getHiveResultType(HiveSimpleUDF.java:127)
> ... 67 more
> {noformat}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)