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Overview
| Comment: | More test cases for indexes on large numeric values. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | int-float-precision |
| Files: | files | file ages | folders |
| SHA1: |
c220741a62808c64d42c6161152ab06a |
| User & Date: | drh 2015-11-06 04:14:38 |
Context
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2015-11-06
| ||
| 14:59 | A different approach to handling integer/float comparisons. This seems to work better on systems where "long double" and "double" are the same type, but still needs refinement and testing. (check-in: a3f7614b user: drh tags: int-float-precision) | |
| 04:14 | More test cases for indexes on large numeric values. (check-in: c220741a user: drh tags: int-float-precision) | |
| 03:37 | Some simple test cases from the mailing list. (check-in: 1d642b73 user: drh tags: int-float-precision) | |
Changes
Changes to test/numindex1.test.
36 37 38 39 40 41 42 43 |
do_execsql_test numindex1-1.3 {
SELECT x.a || CASE WHEN x.b==y.b THEN '==' ELSE '<>' END || y.a
FROM t2 AS x, t2 AS y
ORDER BY +x.a, +x.b;
} {b==b b==c b<>d c==b c==c c<>d d<>b d<>c d==d}
finish_test
|
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do_execsql_test numindex1-1.3 {
SELECT x.a || CASE WHEN x.b==y.b THEN '==' ELSE '<>' END || y.a
FROM t2 AS x, t2 AS y
ORDER BY +x.a, +x.b;
} {b==b b==c b<>d c==b c==c c<>d d<>b d<>c d==d}
# New test cases
#
do_execsql_test numindex1-2.1 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INTEGER PRIMARY KEY,b);
CREATE INDEX t1b ON t1(b);
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
INSERT INTO t1(a,b) SELECT x, 10000000000000004.0 FROM c
WHERE x NOT IN (23,37);
INSERT INTO t1(a,b) VALUES(23,10000000000000005);
INSERT INTO t1(a,b) VALUES(37,10000000000000003);
DELETE FROM t1 WHERE a NOT IN (23,37);
PRAGMA integrity_check;
} {ok}
do_execsql_test numindex1-3.1 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INTEGER PRIMARY KEY,b);
CREATE INDEX t1b ON t1(b);
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
INSERT INTO t1(a,b) SELECT x, 100000000000000005.0
FROM c WHERE x NOT IN (3,5,7,11,13,17,19);
INSERT INTO t1(a,b) VALUES(3,100000000000000005);
INSERT INTO t1(a,b) VALUES(5,100000000000000000);
INSERT INTO t1(a,b) VALUES(7,100000000000000008);
INSERT INTO t1(a,b) VALUES(11,100000000000000006);
INSERT INTO t1(a,b) VALUES(13,100000000000000001);
INSERT INTO t1(a,b) VALUES(17,100000000000000004);
INSERT INTO t1(a,b) VALUES(19,100000000000000003);
PRAGMA integrity_check;
} {ok}
do_execsql_test numindex1-3.2 {
SELECT a FROM t1 ORDER BY b;
} {1 2 4 5 6 8 9 10 12 14 15 16 18 20 13 19 17 3 11 7}
finish_test
|