xref: /sqlite-3.40.0/test/numindex1.test (revision aa8ff2ff)
1# 2015-11-05
2#
3# The author disclaims copyright to this source code.  In place of
4# a legal notice, here is a blessing:
5#
6#    May you do good and not evil.
7#    May you find forgiveness for yourself and forgive others.
8#    May you share freely, never taking more than you give.
9#
10#***********************************************************************
11# This file implements tests for indexes on large numeric values.
12#
13
14set testdir [file dirname $argv0]
15source $testdir/tester.tcl
16
17
18# Test cases from Zsbán Ambrus:
19#
20do_execsql_test numindex1-1.1 {
21  CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
22  CREATE INDEX t1b ON t1(b);
23  INSERT INTO t1(a,b) VALUES(100, 356282677878746339);
24  INSERT INTO t1(a,b) VALUES(50, 356282677878746339.0);
25  INSERT INTO t1(a,b) VALUES(0, 356282677878746340);
26  DELETE FROM t1 WHERE a=50;
27  PRAGMA integrity_check;
28} {ok}
29
30do_execsql_test numindex1-1.2 {
31  CREATE TABLE t2(a,b);
32  INSERT INTO t2(a,b) VALUES('b', 1<<58),
33      ('c', (1<<58)+1e-7), ('d', (1<<58)+1);
34  SELECT a, b, typeof(b), '|' FROM t2 ORDER BY +a;
35} {b 288230376151711744 integer | c 2.88230376151712e+17 real | d 288230376151711745 integer |}
36
37do_execsql_test numindex1-1.3 {
38  SELECT x.a || CASE WHEN x.b==y.b THEN '==' ELSE '<>' END || y.a
39    FROM t2 AS x, t2 AS y
40   ORDER BY +x.a, +x.b;
41} {b==b b==c b<>d c==b c==c c<>d d<>b d<>c d==d}
42
43# New test cases
44#
45do_execsql_test numindex1-2.1 {
46  DROP TABLE IF EXISTS t1;
47  CREATE TABLE t1(a INTEGER PRIMARY KEY,b);
48  CREATE INDEX t1b ON t1(b);
49  WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
50  INSERT INTO t1(a,b) SELECT x, 10000000000000004.0 FROM c
51   WHERE x NOT IN (23,37);
52  INSERT INTO t1(a,b) VALUES(23,10000000000000005);
53  INSERT INTO t1(a,b) VALUES(37,10000000000000003);
54  DELETE FROM t1 WHERE a NOT IN (23,37);
55  PRAGMA integrity_check;
56} {ok}
57
58do_execsql_test numindex1-3.1 {
59  DROP TABLE IF EXISTS t1;
60  CREATE TABLE t1(a INTEGER PRIMARY KEY,b);
61  CREATE INDEX t1b ON t1(b);
62  WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
63  INSERT INTO t1(a,b) SELECT x, 100000000000000005.0
64    FROM c WHERE x NOT IN (3,5,7,11,13,17,19);
65  INSERT INTO t1(a,b) VALUES(3,100000000000000005);
66  INSERT INTO t1(a,b) VALUES(5,100000000000000000);
67  INSERT INTO t1(a,b) VALUES(7,100000000000000008);
68  INSERT INTO t1(a,b) VALUES(11,100000000000000006);
69  INSERT INTO t1(a,b) VALUES(13,100000000000000001);
70  INSERT INTO t1(a,b) VALUES(17,100000000000000004);
71  INSERT INTO t1(a,b) VALUES(19,100000000000000003);
72  PRAGMA integrity_check;
73} {ok}
74
75do_execsql_test numindex1-3.2 {
76  SELECT a FROM t1 ORDER BY b;
77} {1 2 4 5 6 8 9 10 12 14 15 16 18 20 13 19 17 3 11 7}
78
79finish_test
80