[sql] Import SQLite 3.17.0.

third_party/sqlite/src/test/rowvalue8.test

+# 2016-08-22
+#
+# 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.
+#
+#***********************************************************************
+# Use of row values in CASE statements.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix rowvalue8
+
+do_execsql_test 1.1 {
+  CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d);
+  INSERT INTO t1(a,b,c,d) VALUES
+     (1,1,2,3),
+     (2,2,3,4),
+     (3,1,2,4),
+     (4,2,3,5),
+     (5,3,4,6),
+     (6,4,5,9);
+  SELECT a, CASE (b,c) WHEN (1,2) THEN 'aleph'
+                       WHEN (2,3) THEN 'bet'
+                       WHEN (3,4) THEN 'gimel'
+                       ELSE '-' END,
+         '|'
+    FROM t1
+   ORDER BY a;
+} {1 aleph | 2 bet | 3 aleph | 4 bet | 5 gimel | 6 - |}
+do_execsql_test 1.2 {
+  SELECT a, CASE (b,c,d) WHEN (1,2,3) THEN 'aleph'
+                         WHEN (2,3,4) THEN 'bet'
+                         WHEN (3,4,6) THEN 'gimel'
+                         ELSE '-' END,
+         '|'
+    FROM t1
+   ORDER BY a;
+} {1 aleph | 2 bet | 3 - | 4 - | 5 gimel | 6 - |}
+
+do_execsql_test 2.1 {
+  CREATE TABLE t2(x INTEGER PRIMARY KEY, y);
+  INSERT INTO t2(x,y) VALUES(1,6),(2,5),(3,4),(4,3),(5,2),(6,1);
+  SELECT x, CASE (SELECT b,c FROM t1 WHERE a=y)
+            WHEN (1,2) THEN 'aleph'
+            WHEN (2,3) THEN 'bet'
+            WHEN (3,4) THEN 'gimel'
+            ELSE '-' END,
+         '|'
+    FROM t2
+   ORDER BY +x;
+} {1 - | 2 gimel | 3 bet | 4 aleph | 5 bet | 6 aleph |}
+
+
+finish_test