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+# 2007 January 26
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests to verify that ticket #2192 has been
+# fixed.  
+#
+#
+# $Id: tkt2192.test,v 1.3 2008/08/04 03:51:24 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !datetime||!compound {
+  finish_test
+  return
+}
+
+do_test tkt2192-1.1 {
+  execsql {
+    -- Raw data (RBS) --------
+    
+    create table records (
+      date          real,
+      type          text,
+      description   text,
+      value         integer,
+      acc_name      text,
+      acc_no        text
+    );
+    
+    -- Direct Debits ----------------
+    create view direct_debits as
+      select * from records where type = 'D/D';
+    
+    create view monthly_direct_debits as
+      select strftime('%Y-%m', date) as date, (-1 * sum(value)) as value
+        from direct_debits
+       group by strftime('%Y-%m', date);
+    
+    -- Expense Categories ---------------
+    create view energy as
+      select strftime('%Y-%m', date) as date, (-1 * sum(value)) as value
+        from direct_debits
+       where description like '%NPOWER%'
+       group by strftime('%Y-%m', date);
+    
+    create view phone_internet as
+      select strftime('%Y-%m', date) as date, (-1 * sum(value)) as value
+        from direct_debits
+       where description like '%BT DIRECT%'
+          or description like '%SUPANET%'
+          or description like '%ORANGE%'
+       group by strftime('%Y-%m', date);
+    
+    create view credit_cards as
+      select strftime('%Y-%m', date) as date, (-1 * sum(value)) as value
+        from direct_debits where description like '%VISA%'
+       group by strftime('%Y-%m', date);
+    
+    -- Overview ---------------------
+    
+    create view expense_overview as
+      select 'Energy' as expense, date, value from energy
+      union
+      select 'Phone/Internet' as expense, date, value from phone_internet
+      union
+      select 'Credit Card' as expense, date, value from credit_cards;
+    
+    create view jan as
+      select 'jan', expense, value from expense_overview
+       where date like '%-01';
+    
+    create view nov as
+      select 'nov', expense, value from expense_overview
+       where date like '%-11';
+    
+    create view summary as
+      select * from jan join nov on (jan.expense = nov.expense);
+  }
+} {}
+do_test tkt2192-1.2 {
+  # set ::sqlite_addop_trace 1
+  execsql {
+    select * from summary;
+  }
+} {}
+do_test tkt2192-2.1 {
+  execsql {
+    CREATE TABLE t1(a,b);
+    CREATE VIEW v1 AS
+      SELECT * FROM t1 WHERE b%7=0 UNION SELECT * FROM t1 WHERE b%5=0;
+    INSERT INTO t1 VALUES(1,7);
+    INSERT INTO t1 VALUES(2,10);
+    INSERT INTO t1 VALUES(3,14);
+    INSERT INTO t1 VALUES(4,15);
+    INSERT INTO t1 VALUES(1,16);
+    INSERT INTO t1 VALUES(2,17);
+    INSERT INTO t1 VALUES(3,20);
+    INSERT INTO t1 VALUES(4,21);
+    INSERT INTO t1 VALUES(1,22);
+    INSERT INTO t1 VALUES(2,24);
+    INSERT INTO t1 VALUES(3,25);
+    INSERT INTO t1 VALUES(4,26);
+    INSERT INTO t1 VALUES(1,27);
+ 
+    SELECT b FROM v1 ORDER BY b;
+  }
+} {7 10 14 15 20 21 25}
+do_test tkt2192-2.2 {
+  execsql {
+    SELECT * FROM v1 ORDER BY a, b;
+  }
+} {1 7 2 10 3 14 3 20 3 25 4 15 4 21}
+do_test tkt2192-2.3 {
+  execsql {
+    SELECT x.a || '/' || x.b || '/' || y.b
+      FROM v1 AS x JOIN v1 AS y ON x.a=y.a AND x.b<y.b
+     ORDER BY x.a, x.b, y.b
+  }
+} {3/14/20 3/14/25 3/20/25 4/15/21}
+do_test tkt2192-2.4 {
+  execsql {
+    CREATE VIEW v2 AS
+    SELECT x.a || '/' || x.b || '/' || y.b AS z
+      FROM v1 AS x JOIN v1 AS y ON x.a=y.a AND x.b<y.b
+     ORDER BY x.a, x.b, y.b;
+    SELECT * FROM v2;
+  }
+} {3/14/20 3/14/25 3/20/25 4/15/21}
+
+finish_test