Lars Francke created HIVE-8579:
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Summary: Guaranteed NPE in DDLSemanticAnalyzer
Key: HIVE-8579
URL: https://issues.apache.org/jira/browse/HIVE-8579
Project: Hive
Issue Type: Bug
Reporter: Lars Francke
This was added by [~jdere] in HIVE-8411. I don't fully understand the code
(i.e. what it means when desc is null) but I'm sure, Jason, you can fix it
without much trouble?
{code}
if (desc == null ||
!AlterTableDesc.doesAlterTableTypeSupportPartialPartitionSpec(desc.getOp())) {
throw new SemanticException(
ErrorMsg.ALTER_TABLE_TYPE_PARTIAL_PARTITION_SPEC_NO_SUPPORTED,
desc.getOp().name());
} else if (!conf.getBoolVar(HiveConf.ConfVars.DYNAMICPARTITIONING)) {
throw new SemanticException(ErrorMsg.DYNAMIC_PARTITION_DISABLED);
}
{code}
You check for whether {{desc}} is null but then use it to do {{desc.getOp()}}.
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