Description
We can merge consecutive foreach statement.
Eg:
b = foreach a generate a0#'key1' as b0, a0#'key2' as b1, a1;
c = foreach b generate b0#'kk1', b0#'kk2', b1, a1;
=> c = foreach a generate a0#'key1'#'kk1', a0#'key1'#'kk2', a0#'key2', a1;
We can merge consecutive foreach statement.
Eg:
b = foreach a generate a0#'key1' as b0, a0#'key2' as b1, a1;
c = foreach b generate b0#'kk1', b0#'kk2', b1, a1;
=> c = foreach a generate a0#'key1'#'kk1', a0#'key1'#'kk2', a0#'key2', a1;