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[PIG-2673] Allow Merge join to follow an ORDER statement - Pig - [issue]
...Currently, we insist that data for a merge join must come from an OrderedLoadFunc.We can relax this condition and allow explicit ordering operations to precede a MergeJoin....
http://issues.apache.org/jira/browse/PIG-2673    Author: Dmitriy V. Ryaboy, 2012-06-26, 17:30
[PIG-2454] Make use of primitive tuples in builtin UDFs and operators - Pig - [issue]
...With PIG-2359, we introduce efficient primitives-only tuples. This ticket is for converting existing code to make use of them....
http://issues.apache.org/jira/browse/PIG-2454    Author: Dmitriy V. Ryaboy, 2012-06-20, 01:07
[PIG-2359] Support more efficient Tuples when schemas are known - Pig - [issue]
...Pig Tuples have significant overhead due to the fact that all the fields are Objects.When a Tuple only contains primitive fields (ints, longs, etc), it's possible to avoid this overhead, whi...
http://issues.apache.org/jira/browse/PIG-2359    Author: Dmitriy V. Ryaboy, 2012-03-24, 00:10
[PIG-2191] Reduce amount of log spam generated by UDFs - Pig - [issue]
...Many builtin UDFs use log.warn instead of warn() to report warnings. This can produce an inordinate and unneeded amount of error logging. The warn() method is provided to aggregate that sort...
http://issues.apache.org/jira/browse/PIG-2191    Author: Dmitriy V. Ryaboy, 2012-03-16, 08:02
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