update union documentation - numeric types will not be converted to chararray
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Key: PIG-2073
URL: https://issues.apache.org/jira/browse/PIG-2073
Project: Pig
Issue Type: Bug
Components: documentation
Affects Versions: 0.9.0
Reporter: Thejas M Nair
Assignee: Corinne Chandel
Fix For: 0.9.0
As a result of changes in PIG-2071, the documentation needs to be updated -
{noformat}
Union columns of compatible type will produce an "escalate" type. The priority
is chararray > double > float > long > int > bytearray, tuple|bag|map >
bytearray:
{noformat}
should be changed to remove chararray in the numeric type sequence. ie -
{noformat}
Union columns of compatible type will produce an "escalate" type. The priority
is double > float > long > int > bytearray, tuple|bag|map|chararray > bytearray:
{noformat}
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