Repository: crunch Updated Branches: refs/heads/master e8d2a69b6 -> 5944f81b2
CRUNCH-623: Improves Javadoc of PTable#cogroup Signed-off-by: Josh Wills <[email protected]> Project: http://git-wip-us.apache.org/repos/asf/crunch/repo Commit: http://git-wip-us.apache.org/repos/asf/crunch/commit/5944f81b Tree: http://git-wip-us.apache.org/repos/asf/crunch/tree/5944f81b Diff: http://git-wip-us.apache.org/repos/asf/crunch/diff/5944f81b Branch: refs/heads/master Commit: 5944f81b2aa15c59484d24864570d21e13bfca3b Parents: e8d2a69 Author: Nathan Schile <[email protected]> Authored: Thu Sep 29 16:24:14 2016 -0500 Committer: Josh Wills <[email protected]> Committed: Mon Oct 10 09:28:38 2016 -0700 ---------------------------------------------------------------------- crunch-core/src/main/java/org/apache/crunch/PTable.java | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/crunch/blob/5944f81b/crunch-core/src/main/java/org/apache/crunch/PTable.java ---------------------------------------------------------------------- diff --git a/crunch-core/src/main/java/org/apache/crunch/PTable.java b/crunch-core/src/main/java/org/apache/crunch/PTable.java index 74cade8..114c655 100644 --- a/crunch-core/src/main/java/org/apache/crunch/PTable.java +++ b/crunch-core/src/main/java/org/apache/crunch/PTable.java @@ -171,7 +171,10 @@ public interface PTable<K, V> extends PCollection<Pair<K, V>> { <U> PTable<K, Pair<V, U>> join(PTable<K, U> other); /** - * Co-group operation with the given table on common keys. + * Co-group operation with the given table. + * <p> + * <b>Note:</b> If the given table contains keys that are not present in this PTable, an empty + * PCollection is set for the relationship. */ <U> PTable<K, Pair<Collection<V>, Collection<U>>> cogroup(PTable<K, U> other);
