From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 3 Dec 2004 22:19:28 +0000 (+0000)
Subject: As long as we're forcing an ORDER BY in these four join queries, we had
X-Git-Tag: REL8_0_0RC1~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=59b3b8014dcc4b016a2d429ccc975cd5aaf69283;p=postgresql

As long as we're forcing an ORDER BY in these four join queries, we had
better make sure the sort order is totally specified; else we get burnt
by platform-specific behavior of qsort() with equal keys.  Per buildfarm
results.
---

diff --git a/src/test/regress/expected/join.out b/src/test/regress/expected/join.out
index 58d0d3f06f..b98288e5c2 100644
--- a/src/test/regress/expected/join.out
+++ b/src/test/regress/expected/join.out
@@ -1718,7 +1718,7 @@ SELECT '' AS "xxx", *
 --
 SELECT '' AS "xxx", *
   FROM J1_TBL LEFT OUTER JOIN J2_TBL USING (i)
-  ORDER BY i, k;
+  ORDER BY i, k, t;
  xxx | i | j |   t   | k  
 -----+---+---+-------+----
      | 0 |   | zero  |   
@@ -1738,7 +1738,7 @@ SELECT '' AS "xxx", *
 
 SELECT '' AS "xxx", *
   FROM J1_TBL LEFT JOIN J2_TBL USING (i)
-  ORDER BY i, k;
+  ORDER BY i, k, t;
  xxx | i | j |   t   | k  
 -----+---+---+-------+----
      | 0 |   | zero  |   
@@ -1788,7 +1788,7 @@ SELECT '' AS "xxx", *
 
 SELECT '' AS "xxx", *
   FROM J1_TBL FULL OUTER JOIN J2_TBL USING (i)
-  ORDER BY i, k;
+  ORDER BY i, k, t;
  xxx | i | j |   t   | k  
 -----+---+---+-------+----
      | 0 |   | zero  |   
@@ -1810,7 +1810,7 @@ SELECT '' AS "xxx", *
 
 SELECT '' AS "xxx", *
   FROM J1_TBL FULL JOIN J2_TBL USING (i)
-  ORDER BY i, k;
+  ORDER BY i, k, t;
  xxx | i | j |   t   | k  
 -----+---+---+-------+----
      | 0 |   | zero  |   
diff --git a/src/test/regress/sql/join.sql b/src/test/regress/sql/join.sql
index f9f851f677..9bda6f1d00 100644
--- a/src/test/regress/sql/join.sql
+++ b/src/test/regress/sql/join.sql
@@ -167,11 +167,11 @@ SELECT '' AS "xxx", *
 
 SELECT '' AS "xxx", *
   FROM J1_TBL LEFT OUTER JOIN J2_TBL USING (i)
-  ORDER BY i, k;
+  ORDER BY i, k, t;
 
 SELECT '' AS "xxx", *
   FROM J1_TBL LEFT JOIN J2_TBL USING (i)
-  ORDER BY i, k;
+  ORDER BY i, k, t;
 
 SELECT '' AS "xxx", *
   FROM J1_TBL RIGHT OUTER JOIN J2_TBL USING (i);
@@ -181,11 +181,11 @@ SELECT '' AS "xxx", *
 
 SELECT '' AS "xxx", *
   FROM J1_TBL FULL OUTER JOIN J2_TBL USING (i)
-  ORDER BY i, k;
+  ORDER BY i, k, t;
 
 SELECT '' AS "xxx", *
   FROM J1_TBL FULL JOIN J2_TBL USING (i)
-  ORDER BY i, k;
+  ORDER BY i, k, t;
 
 SELECT '' AS "xxx", *
   FROM J1_TBL LEFT JOIN J2_TBL USING (i) WHERE (k = 1);