diff options
Diffstat (limited to 'test/distinct.test')
| -rw-r--r-- | test/distinct.test | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/test/distinct.test b/test/distinct.test index fcbe4e6..78c2c1d 100644 --- a/test/distinct.test +++ b/test/distinct.test @@ -162,10 +162,10 @@ do_execsql_test 2.0 { foreach {tn sql temptables res} { 1 "a, b FROM t1" {} {A B a b} 2 "b, a FROM t1" {} {B A b a} - 3 "a, b, c FROM t1" {hash} {a b c A B C} + 3 "a, b, c FROM t1" {hash} {A B C a b c} 4 "a, b, c FROM t1 ORDER BY a, b, c" {btree} {A B C a b c} 5 "b FROM t1 WHERE a = 'a'" {} {b} - 6 "b FROM t1" {hash} {b B} + 6 "b FROM t1 ORDER BY +b COLLATE binary" {btree hash} {B b} 7 "a FROM t1" {} {A a} 8 "b COLLATE nocase FROM t1" {} {b} 9 "b COLLATE nocase FROM t1 ORDER BY b COLLATE nocase" {} {b} @@ -197,4 +197,29 @@ do_test 3.1 { }] } {0} +#------------------------------------------------------------------------- +# Ticket [fccbde530a6583bf2748400919f1603d5425995c] (2014-01-08) +# The logic that computes DISTINCT sometimes thinks that a zeroblob() +# and a blob of all zeros are different when they should be the same. +# +do_execsql_test 4.1 { + DROP TABLE IF EXISTS t1; + DROP TABLE IF EXISTS t2; + CREATE TABLE t1(a INTEGER); + INSERT INTO t1 VALUES(3); + INSERT INTO t1 VALUES(2); + INSERT INTO t1 VALUES(1); + INSERT INTO t1 VALUES(2); + INSERT INTO t1 VALUES(3); + INSERT INTO t1 VALUES(1); + CREATE TABLE t2(x); + INSERT INTO t2 + SELECT DISTINCT + CASE a WHEN 1 THEN x'0000000000' + WHEN 2 THEN zeroblob(5) + ELSE 'xyzzy' END + FROM t1; + SELECT quote(x) FROM t2 ORDER BY 1; +} {'xyzzy' X'0000000000'} + finish_test |