Import SQLite 3.7.6.3.

third_party/sqlite/src/test/selectC.test

 # 2008 September 16
 #
 # 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.
 #
 #***********************************************************************
@@ skipping 133 matching lines @@
 do_test selectC-1.14.2 {
   execsql {
     SELECT uppercaseconversionfunctionwithaverylongname(b) AS x
       FROM t1
      ORDER BY x DESC
   }
 } {CCC AAA AAA}
 
 # The following query used to leak memory.  Verify that has been fixed.
 #
-do_test selectC-2.1 {
-  catchsql {
-    CREATE TABLE t21a(a,b);
-    INSERT INTO t21a VALUES(1,2);
-    CREATE TABLE t21b(n);
-    CREATE TRIGGER r21 AFTER INSERT ON t21b BEGIN
-      SELECT a FROM t21a WHERE a>new.x UNION ALL
-      SELECT b FROM t21a WHERE b>new.x ORDER BY 1 LIMIT 2;
-    END;
-    INSERT INTO t21b VALUES(6);
+ifcapable trigger {
+  do_test selectC-2.1 {
+    catchsql {
+      CREATE TABLE t21a(a,b);
+      INSERT INTO t21a VALUES(1,2);
+      CREATE TABLE t21b(n);
+      CREATE TRIGGER r21 AFTER INSERT ON t21b BEGIN
+        SELECT a FROM t21a WHERE a>new.x UNION ALL
+        SELECT b FROM t21a WHERE b>new.x ORDER BY 1 LIMIT 2;
+      END;
+      INSERT INTO t21b VALUES(6);
+    }
+  } {1 {no such column: new.x}}
+}
+
+# Check that ticket [883034dcb5] is fixed.
+#
+do_test selectC-3.1 {
+  execsql {
+    CREATE TABLE person (
+        org_id          TEXT NOT NULL,
+        nickname        TEXT NOT NULL,
+        license         TEXT,
+        CONSTRAINT person_pk PRIMARY KEY (org_id, nickname),
+        CONSTRAINT person_license_uk UNIQUE (license)
+    );
+    INSERT INTO person VALUES('meyers', 'jack', '2GAT123');
+    INSERT INTO person VALUES('meyers', 'hill', 'V345FMP');
+    INSERT INTO person VALUES('meyers', 'jim', '2GAT138');
+    INSERT INTO person VALUES('smith', 'maggy', '');
+    INSERT INTO person VALUES('smith', 'jose', 'JJZ109');
+    INSERT INTO person VALUES('smith', 'jack', 'THX138');
+    INSERT INTO person VALUES('lakeside', 'dave', '953OKG');
+    INSERT INTO person VALUES('lakeside', 'amy', NULL);
+    INSERT INTO person VALUES('lake-apts', 'tom', NULL);
+    INSERT INTO person VALUES('acorn', 'hideo', 'CQB421');
+    
+    SELECT 
+      org_id, 
+      count((NOT (org_id IS NULL)) AND (NOT (nickname IS NULL)))
+    FROM person 
+    WHERE (CASE WHEN license != '' THEN 1 ELSE 0 END)
+    GROUP BY 1;
   }
-} {1 {no such column: new.x}}
+} {acorn 1 lakeside 1 meyers 3 smith 2}
+do_test selectC-3.2 {
+  execsql {
+    CREATE TABLE t2(a PRIMARY KEY, b);
+    INSERT INTO t2 VALUES('abc', 'xxx');
+    INSERT INTO t2 VALUES('def', 'yyy');
+    SELECT a, max(b || a) FROM t2 WHERE (b||b||b)!='value' GROUP BY a;
+  }
+} {abc xxxabc def yyydef}
+do_test selectC-3.3 {
+  execsql {
+    SELECT b, max(a || b) FROM t2 WHERE (b||b||b)!='value' GROUP BY a;
+  }
+} {xxx abcxxx yyy defyyy}
+
+
+proc udf {} { incr ::udf }
+set ::udf 0
+db function udf udf
+
+do_execsql_test selectC-4.1 {
+  create table t_distinct_bug (a, b, c);
+  insert into t_distinct_bug values ('1', '1', 'a');
+  insert into t_distinct_bug values ('1', '2', 'b');
+  insert into t_distinct_bug values ('1', '3', 'c');
+  insert into t_distinct_bug values ('1', '1', 'd');
+  insert into t_distinct_bug values ('1', '2', 'e');
+  insert into t_distinct_bug values ('1', '3', 'f');
+} {}
+
+do_execsql_test selectC-4.2 {
+  select a from (select distinct a, b from t_distinct_bug)
+} {1 1 1}
+
+do_execsql_test selectC-4.3 {
+  select a, udf() from (select distinct a, b from t_distinct_bug)
+} {1 1 1 2 1 3}
 
 finish_test