Merge pull request #2569 from jtracey/master

join: add support for full outer joins

tests/by-util/test_join.rs

@@ -94,6 +94,18 @@ fn unpaired_lines() {
         .arg("2")
         .succeeds()
         .stdout_only_fixture("unpaired_lines.expected");
+
+    new_ucmd!()
+        .arg("fields_3.txt")
+        .arg("fields_2.txt")
+        .arg("-1")
+        .arg("2")
+        .arg("-a")
+        .arg("1")
+        .arg("-a")
+        .arg("2")
+        .succeeds()
+        .stdout_only_fixture("unpaired_lines_outer.expected");
 }
 
 #[test]
@@ -107,6 +119,18 @@ fn suppress_joined() {
         .arg("2")
         .succeeds()
         .stdout_only_fixture("suppress_joined.expected");
+
+    new_ucmd!()
+        .arg("fields_3.txt")
+        .arg("fields_2.txt")
+        .arg("-1")
+        .arg("2")
+        .arg("-a")
+        .arg("1")
+        .arg("-v")
+        .arg("2")
+        .succeeds()
+        .stdout_only_fixture("suppress_joined_outer.expected");
 }
 
 #[test]

tests/fixtures/join/fields_3.txt

@@ -4,3 +4,4 @@ c 4 h
 f 5 i
 g 6 j
 h 7 k
+i 99 l

tests/fixtures/join/suppress_joined_outer.expected

@@ -0,0 +1,4 @@
+1 a
+8 h
+9 i
+99 i l

tests/fixtures/join/unpaired_lines_format.expected

@@ -4,3 +4,4 @@
    i 5 f
    j 6 g
    k 7 h
+   l 99 i

tests/fixtures/join/unpaired_lines_outer.expected

@@ -0,0 +1,10 @@
+1 a
+2 a f b
+3 b g c
+4 c h d
+5 f i e
+6 g j f
+7 h k g
+8 h
+9 i
+99 i l