[ https://issues.apache.org/jira/browse/FLINK-18030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rui Li updated FLINK-18030: --------------------------- Fix Version/s: (was: 1.12.0) 1.11.0 > 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 > Labels: pull-request-available > Fix For: 1.11.0 > > > 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)