Index: third_party/sqlite/sqlite-src-3070603/test/tkt3824.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/tkt3824.test b/third_party/sqlite/sqlite-src-3070603/test/tkt3824.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3198abbdd3afbd17b801727cfb6c73c97649284e |
--- /dev/null |
+++ b/third_party/sqlite/sqlite-src-3070603/test/tkt3824.test |
@@ -0,0 +1,99 @@ |
+# 2009 April 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. |
+# |
+#*********************************************************************** |
+# |
+# Ticket #3824 |
+# |
+# When you use an "IS NULL" constraint on a UNIQUE index, the result |
+# is not necessarily UNIQUE. Make sure the optimizer does not assume |
+# uniqueness. |
+# |
+# $Id: tkt3824.test,v 1.2 2009/04/24 20:32:31 drh Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+proc execsql_status {sql {db db}} { |
+ set result [uplevel $db eval [list $sql]] |
+ if {[db status sort]} { |
+ concat $result sort |
+ } else { |
+ concat $result nosort |
+ } |
+} |
+ |
+do_test tkt3824-1.1 { |
+ db eval { |
+ CREATE TABLE t1(a,b); |
+ INSERT INTO t1 VALUES(1,NULL); |
+ INSERT INTO t1 VALUES(9,NULL); |
+ INSERT INTO t1 VALUES(5,NULL); |
+ INSERT INTO t1 VALUES(123,NULL); |
+ INSERT INTO t1 VALUES(-10,NULL); |
+ CREATE UNIQUE INDEX t1b ON t1(b); |
+ } |
+ execsql_status { |
+ SELECT a FROM t1 WHERE b IS NULL ORDER BY a; |
+ } |
+} {-10 1 5 9 123 sort} |
+do_test tkt3824-1.2 { |
+ execsql_status { |
+ SELECT a FROM t1 WHERE b IS NULL ORDER BY b, a; |
+ } |
+} {-10 1 5 9 123 sort} |
+ |
+do_test tkt3824-2.1 { |
+ db eval { |
+ CREATE TABLE t2(a,b,c); |
+ INSERT INTO t2 VALUES(1,1,NULL); |
+ INSERT INTO t2 VALUES(9,2,NULL); |
+ INSERT INTO t2 VALUES(5,2,NULL); |
+ INSERT INTO t2 VALUES(123,3,NULL); |
+ INSERT INTO t2 VALUES(-10,3,NULL); |
+ CREATE UNIQUE INDEX t2bc ON t2(b,c); |
+ } |
+ execsql_status { |
+ SELECT a FROM t2 WHERE b=2 AND c IS NULL ORDER BY a; |
+ } |
+} {5 9 sort} |
+do_test tkt3824-2.2 { |
+ execsql_status { |
+ SELECT a FROM t2 WHERE b=2 AND c IS NULL ORDER BY b, a; |
+ } |
+} {5 9 sort} |
+do_test tkt3824-2.3 { |
+ lsort [execsql_status { |
+ SELECT a FROM t2 WHERE b=2 AND c IS NULL ORDER BY b; |
+ }] |
+} {5 9 nosort} |
+ |
+do_test tkt3824-3.1 { |
+ db eval { |
+ CREATE TABLE t3(x,y); |
+ INSERT INTO t3 SELECT a, b FROM t1; |
+ INSERT INTO t3 VALUES(234,567); |
+ CREATE UNIQUE INDEX t3y ON t3(y); |
+ DELETE FROM t3 WHERE y IS NULL; |
+ SELECT * FROM t3; |
+ } |
+} {234 567} |
+ |
+do_test tkt3824-4.1 { |
+ db eval { |
+ CREATE TABLE t4(x,y); |
+ INSERT INTO t4 SELECT a, b FROM t1; |
+ INSERT INTO t4 VALUES(234,567); |
+ CREATE UNIQUE INDEX t4y ON t4(y); |
+ UPDATE t4 SET rowid=rowid+100 WHERE y IS NULL; |
+ SELECT rowid, x FROM t4 ORDER BY rowid; |
+ } |
+} {6 234 101 1 102 9 103 5 104 123 105 -10} |
+ |
+finish_test |