Hi All I have 2 tables
Data Table ----------------- RowKey: 1 => (column=name, value=apple) RowKey: 2 => (column=name, value=orange) RowKey: 3 => (column=name, value=banana) RowKey: 4 => (column=name, value=mango) Index Table (YYYYMMDDHH) ------------------------------------------------ RowKey: 2013030114 => (column=1, value=) => (column=2, value=) => (column=3, value=) RowKey: 2013030115 => (column=4, value=) I would like to know, how to implement below in MapReduce 1) first query the Index Table by RowKey: 2013030114 2) then pass the Index Table column names (1,2,3) to query the Data Table Thanks in advance.
