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Overview
| Comment: | Add another test case for the "x IS NULL" uniqueness problem of ticket #3824. No changes to code. This just double-checks that everything is working now. (CVS 6548) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
3ceae3579bc42974865cf6fe0bc42001 |
| User & Date: | drh 2009-04-24 20:32:31 |
Context
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2009-04-25
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| 08:39 | Tests for the new asynchronous IO API. (CVS 6549) (check-in: 11b2564e user: danielk1977 tags: trunk) | |
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2009-04-24
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| 20:32 | Add another test case for the "x IS NULL" uniqueness problem of ticket #3824. No changes to code. This just double-checks that everything is working now. (CVS 6548) (check-in: 3ceae357 user: drh tags: trunk) | |
| 18:06 | Dequote the "from" table in a FOREIGN KEY definition (affects the output of "pragma foreign_key_list). Fix for #3800. (CVS 6547) (check-in: 600482d1 user: danielk1977 tags: trunk) | |
Changes
Changes to test/tkt3824.test.
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# # 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 1.1 2009/04/24 14:51:42 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]} { ................................................................................ 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} finish_test |
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# # 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]} { ................................................................................ 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 |