Matt McCline created HIVE-20524:
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Summary: Schema Evolution checking is broken in 3.0 for
CHAR/VARCHAR
Key: HIVE-20524
URL: https://issues.apache.org/jira/browse/HIVE-20524
Project: Hive
Issue Type: Bug
Components: Hive
Reporter: Matt McCline
Assignee: Matt McCline
The new org.apache.hadoop.hive.metastore.ColumnType class under hive version 3
hive-standalone-metadata-server method checkColTypeChangeCompatible lost a
version 2 series bug fix that drops CHAR/VARCHAR (and DECIMAL I think) type
decorations when checking for Schema Evolution compatibility.
Hive1 version 2 did undecoratedTypeName(oldType) and Hive2 version performed
the logic in TypeInfoUtils.implicitConvertible on the PrimitiveCategory not the
raw type string.
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