This is the documentation for CDH 4.7.0.
Documentation for other versions is available at Cloudera Documentation.

Apache Pig

  • PIG-3034 Penny is no longer available in Pig.
  • PIG-2353 RANK and DENSE are now reserved keywords and are not backward compatible. You should check your scripts, and modify them if necessary, to make sure they do not use RANK or DENSE as relation or column names.
  • PIG-1314 DATETIME is now a reservered keyword and is not backward compatible. You should check your scripts, and modify them if necessary, to make sure they do not use DATETIME as a relation or column name.
  • PIG-2710, PIG-2765 CUBE and ROLLUP are now reserved keywords and are not backward compatible. You should check your scripts, and modify them if necessary, to make sure they do not use CUBE or ROLLUP as relation or column names.
  • Pig 0.10.0 contains several changes that are not backward-compatible with versions prior to 0.10.0; if you have scripts from a version of Pig prior to 0.10.0, you may need to modify your user-defined functions (UDFs) so that they work with the current Pig release. For more information, see: