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Annotation of embedaddon/sqlite3/test/tkt3334.test, revision 1.1

1.1     ! misho       1: # 2008 August 26
        !             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: #
        !            12: # This file implements regression tests for SQLite library. 
        !            13: # Specifically, it tests that bug #3334 has been fixed by the
        !            14: # addition of restriction (19) to the subquery flattener optimization.
        !            15: #
        !            16: # $Id: tkt3334.test,v 1.1 2008/08/26 12:56:14 drh Exp $
        !            17: 
        !            18: 
        !            19: set testdir [file dirname $argv0]
        !            20: source $testdir/tester.tcl
        !            21: 
        !            22: do_test tkt3334-1.0 {
        !            23:   execsql {
        !            24:     CREATE TABLE t1(a,b);
        !            25:     INSERT INTO t1 VALUES(1,934);
        !            26:     INSERT INTO t1 VALUES(2,221);
        !            27:     INSERT INTO t1 VALUES(1,372);
        !            28:     INSERT INTO t1 VALUES(3,552);
        !            29:     INSERT INTO t1 VALUES(1,719);
        !            30:     INSERT INTO t1 VALUES(4,102);
        !            31:     SELECT * FROM t1 ORDER BY b;
        !            32:   }
        !            33: } {4 102 2 221 1 372 3 552 1 719 1 934}
        !            34: 
        !            35: do_test tkt3334-1.1 {
        !            36:   execsql {
        !            37:     SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1;
        !            38:   }
        !            39: } {}
        !            40: do_test tkt3334-1.2 {
        !            41:   execsql {
        !            42:     SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1;
        !            43:   }
        !            44: } {0}
        !            45: do_test tkt3334-1.3 {
        !            46:   execsql {
        !            47:     SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1;
        !            48:   }
        !            49: } {1}
        !            50: do_test tkt3334-1.4 {
        !            51:   execsql {
        !            52:     SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1;
        !            53:   }
        !            54: } {1}
        !            55: do_test tkt3334-1.5 {
        !            56:   execsql {
        !            57:     SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1;
        !            58:   }
        !            59: } {1 1 1}
        !            60: do_test tkt3334-1.6 {
        !            61:   execsql {
        !            62:     SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1;
        !            63:   }
        !            64: } {3}
        !            65: do_test tkt3334-1.7 {
        !            66:   execsql {
        !            67:     SELECT a FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1;
        !            68:   }
        !            69: } {1 1 1}
        !            70: do_test tkt3334-1.8 {
        !            71:   execsql {
        !            72:     SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1;
        !            73:   }
        !            74: } {3}
        !            75: do_test tkt3334-1.9 {
        !            76:   execsql {
        !            77:     SELECT a FROM (SELECT a FROM t1) WHERE a=1;
        !            78:   }
        !            79: } {1 1 1}
        !            80: do_test tkt3334-1.10 {
        !            81:   execsql {
        !            82:     SELECT count(*) FROM (SELECT a FROM t1) WHERE a=1;
        !            83:   }
        !            84: } {3}