you can check this:https://issues.apache.org/jira/browse/PIG-3900 but ,it is not solved.
At 2015-05-19 11:38:44, "李运田" <cumt...@163.com> wrote: >table1 = load 'mytable' using org.apache.hcatalog.pig.HCatLoader(); >table2 = sample table1 0.01; >store table2 into 'table2' using org.apache.hcatalog.pig.HCatStorer(); >table3 = filter table2 by a > 10; >store table3 into 'table3' using org.apache.hcatalog.pig.HCatStorer(); >I find that table3's data is not from table2. >because every 'store' is from beginning. and sample is random,so the result >is different. >so can I use some function to make that table3's data is from table2.,is >there some sample seeds in pig?
