wasCSharpSQLite – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | # 2007 Sep 12 |
| 2 | # |
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| 3 | # The author disclaims copyright to this source code. In place of |
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| 4 | # a legal notice, here is a blessing: |
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| 5 | # |
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| 6 | # May you do good and not evil. |
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| 7 | # May you find forgiveness for yourself and forgive others. |
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| 8 | # May you share freely, never taking more than you give. |
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| 9 | # |
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| 10 | #*********************************************************************** |
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| 11 | # |
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| 12 | # This file is to test that ticket #2643 has been fixed. |
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| 13 | # |
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| 14 | # $Id: tkt2643.test,v 1.1 2007/09/13 17:54:41 drh Exp $ |
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| 15 | # |
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| 16 | |||
| 17 | # The problem in ticket #2643 has to do with the query optimizer |
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| 18 | # making bad assumptions about index cost when data from ANALYZE |
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| 19 | # is available. |
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| 20 | |||
| 21 | set testdir [file dirname $argv0] |
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| 22 | source $testdir/tester.tcl |
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| 23 | |||
| 24 | do_test tkt2643-1.1 { |
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| 25 | execsql { |
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| 26 | CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c); |
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| 27 | INSERT INTO t1 VALUES(1,2,3); |
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| 28 | INSERT INTO t1 VALUES(2,3,4); |
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| 29 | ANALYZE; |
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| 30 | } |
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| 31 | db close |
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| 32 | sqlite3 db test.db |
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| 33 | execsql { |
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| 34 | CREATE INDEX i1 ON t1(c); |
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| 35 | SELECT count(*) FROM t1 WHERE c IS NOT NULL |
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| 36 | } |
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| 37 | } {2} |
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| 38 | |||
| 39 | finish_test |