documentation of union onschema restrictions need to to be updated
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Key: PIG-2068
URL: https://issues.apache.org/jira/browse/PIG-2068
Project: Pig
Issue Type: Bug
Components: documentation
Affects Versions: 0.9.0
Reporter: Thejas M Nair
Assignee: Corinne Chandel
Fix For: 0.9.0
The following requirement mentioned under union-onschema section is no longer
applicable -
{verbatim}
The data type for columns with same name in different input schemas should be
compatible:
Numeric types are compatible, and if column having same name in different
input schemas have different numeric types, an implicit conversion will happen.
Bytearray type is considered compatible with all other types, a cast will
be added to convert to other type.
Bags or tuples having different inner schema are considered incompatible.
{verbatim}
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