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+# 2014-10-24
+#
+# 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.  The
+# focus of this script is testing automatic index creation logic,
+# and specifically creation of automatic partial indexes.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_execsql_test autoindex4-1.0 {
+  CREATE TABLE t1(a,b);
+  INSERT INTO t1 VALUES(123,'abc'),(234,'def'),(234,'ghi'),(345,'jkl');
+  CREATE TABLE t2(x,y);
+  INSERT INTO t2 VALUES(987,'zyx'),(654,'wvu'),(987,'rqp');
+
+  SELECT *, '|' FROM t1, t2 WHERE a=234 AND x=987 ORDER BY +b;
+} {234 def 987 rqp | 234 def 987 zyx | 234 ghi 987 rqp | 234 ghi 987 zyx |}
+do_execsql_test autoindex4-1.1 {
+  SELECT *, '|' FROM t1, t2 WHERE a=234 AND x=555;
+} {}
+
+do_execsql_test autoindex4-1.2 {
+  SELECT *, '|' FROM t1 LEFT JOIN t2 ON a=234 AND x=555;
+} {123 abc {} {} | 234 def {} {} | 234 ghi {} {} | 345 jkl {} {} |}
+do_execsql_test autoindex4-1.3 {
+  SELECT *, '|' FROM t1 LEFT JOIN t2 ON x=555 WHERE a=234;
+} {234 def {} {} | 234 ghi {} {} |}
+do_execsql_test autoindex4-1.4 {
+  SELECT *, '|' FROM t1 LEFT JOIN t2 WHERE a=234 AND x=555;
+} {}
+
+
+do_execsql_test autoindex4-2.0 {
+  CREATE TABLE t3(e,f);
+  INSERT INTO t3 VALUES(123,654),(555,444),(234,987);
+
+  SELECT (SELECT count(*) FROM t1, t2 WHERE a=e AND x=f), e, f, '|'
+    FROM t3
+   ORDER BY rowid;
+} {1 123 654 | 0 555 444 | 4 234 987 |}
+
+# Ticket [2326c258d02ead33d]
+# Two joins, one with and the other without an ORDER BY clause.
+# The one without ORDER BY correctly returns two rows of result.
+# The one with ORDER BY returns no rows. 
+#
+do_execsql_test autoindex4-3.0 {
+  CREATE TABLE A(Name text);
+  CREATE TABLE Items(ItemName text , Name text);
+  INSERT INTO Items VALUES('Item1','Parent');
+  INSERT INTO Items VALUES('Item2','Parent');
+  CREATE TABLE B(Name text);
+  
+  SELECT Items.ItemName
+    FROM Items
+      LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
+      LEFT JOIN B ON (B.Name = Items.ItemName)
+    WHERE Items.Name = 'Parent'
+    ORDER BY Items.ItemName;
+} {Item1 Item2}
+do_execsql_test autoindex4-3.1 {
+  CREATE INDEX Items_x1 ON Items(ItemName,Name) WHERE ItemName = 'dummy';
+  
+  SELECT Items.ItemName
+    FROM Items
+      LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
+      LEFT JOIN B ON (B.Name = Items.ItemName)
+    WHERE Items.Name = 'Parent'
+    ORDER BY Items.ItemName;
+} {Item1 Item2}
+
+
+finish_test