Recent changes to TIPS

TIPS modified by Koichi Suzuki

Koichi Suzuki — Fri, 27 Jun 2014 02:32:31 -0000

--- v2
+++ v3
@@ -1,4 +1,4 @@
-## = Show Table Distribution and Replication
+### Show Table Distribution and Replication

 The following statement shows each table's distribution/replication status.

TIPS modified by Koichi Suzuki

Koichi Suzuki — Fri, 27 Jun 2014 02:32:31 -0000

--- v1
+++ v2
@@ -5,3 +5,37 @@
      SELECT pg_class.relname, pgxc_class.pclocatortype,pgxc_class.pcattnum FROM
             pg_class, pgxc_class WHERE pg_class.oid = pgxc_class.pcrelid;

+
+The following is better: 
+    
+     SELECT pg_class.relname relation,
+            pgxc_class.pclocatortype distribution,
+            pg_attribute.attname attribute
+        FROM pg_class, pgxc_class, pg_attribute
+        WHERE pg_class.oid = pgxc_class.pcrelid
+              and pg_class.oid = pg_attribute.attrelid
+              and pgxc_class.pcattnum = pg_attribute.attnum
+     UNION
+     SELECT pg_class.relname relation,
+            pgxc_class.pclocatortype distribution,
+            'none' attribute
+        FROM pg_class, pgxc_class, pg_attribute
+        WHERE pg_class.oid = pgxc_class.pcrelid
+              and pg_class.oid = pg_attribute.attrelid
+              and pgxc_class.pcattnum = 0
+        ;
+    
+
+The result is like: 
+    
+      relation   | distribution | attribute 
+    -------------+--------------+-----------
+     table_five  | M            | a
+     table_four  | H            | a
+     table_one   | H            | a
+     table_seven | R            | none
+     table_six   | N            | none
+     table_three | H            | a
+     table_two   | H            | a
+    (7 rows)
+

TIPS modified by Koichi Suzuki

Koichi Suzuki — Fri, 27 Jun 2014 02:32:31 -0000

= Show Table Distribution and Replication

The following statement shows each table's distribution/replication status.

 SELECT pg_class.relname, pgxc_class.pclocatortype,pgxc_class.pcattnum FROM
        pg_class, pgxc_class WHERE pg_class.oid = pgxc_class.pcrelid;