PIG-3341: Strict datetime parsing and improve performance of loading datetime values (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1492658 13f79535-47bb-0310-9956-ffa450edef68
PIG-3318: AVRO: 'default value' not honored when merging schemas on load with AvroStorage (viraj via rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1493062 13f79535-47bb-0310-9956-ffa450edef68
PIG-3355: ColumnMapKeyPrune bug with distinct operator (jeremykarn via aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1494026 13f79535-47bb-0310-9956-ffa450edef68
PIG-3354: UDF example does not handle nulls

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1496231 13f79535-47bb-0310-9956-ffa450edef68
PIG-3361: Improve Hadoop version detection logic for Pig unit test

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1496241 13f79535-47bb-0310-9956-ffa450edef68
PIG-3364: Case expression fails with an even number of when branches (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1496966 13f79535-47bb-0310-9956-ffa450edef68
PIG-3015: Rewrite of AvroStorage (jadler via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1497954 13f79535-47bb-0310-9956-ffa450edef68
PIG-3375: CASE does not preserve the order of when branches (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1501471 13f79535-47bb-0310-9956-ffa450edef68
PIG-3369: unit test TestImplicitSplitOnTuple.testImplicitSplitterOnTuple failed when using hadoopversion=23 (dreambird via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1502734 13f79535-47bb-0310-9956-ffa450edef68
PIG-3163: Pig current releases lack a UDF endsWith. This UDF tests if a given string ends with the specified suffix (sriramkrishnan via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1502930 13f79535-47bb-0310-9956-ffa450edef68
PIG-3380: Fix e2e test float precision related test failures when run with -Dpig.exec.mapPartAgg=true (anlilin via rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1504206 13f79535-47bb-0310-9956-ffa450edef68
PIG-3384: Missing negation in UDF doc sample code (ddamours via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1504728 13f79535-47bb-0310-9956-ffa450edef68
PIG-3247 Piggybank functions to mimic OVER clause in SQL


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1505044 13f79535-47bb-0310-9956-ffa450edef68
PIG-3387: Miss spelling in test code "TestBuiltin.java" (sarutak via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1505465 13f79535-47bb-0310-9956-ffa450edef68
PIG-3182: Pig currently lacks functions to trim the whitespace only on one hand side (sarutak via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1506605 13f79535-47bb-0310-9956-ffa450edef68
PIG-3389: "Set job.name" does not work with dump command (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1507143 13f79535-47bb-0310-9956-ffa450edef68
PIG-3393: STARTSWITH udf doesn't override outputSchema method (sriramkrishnan via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1507156 13f79535-47bb-0310-9956-ffa450edef68
PIG-3392: Document STARTSWITH and ENDSWITH UDFs (sriramkrishnan via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1507174 13f79535-47bb-0310-9956-ffa450edef68
PIG-3210: Pig fails to start when it cannot write log to log files (mengsungwu via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1507235 13f79535-47bb-0310-9956-ffa450edef68
Revert PIG-2247


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1507395 13f79535-47bb-0310-9956-ffa450edef68