github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/orderby3.test (about)

     1  # 2013 January 09
     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 regression tests for SQLite library.  The
    12  # focus of this file is testing that the optimizations that disable
    13  # ORDER BY clauses work correctly on a 3-way join.  See ticket
    14  # http://www.sqlite.org/src/956e4d7f89
    15  #
    16  
    17  
    18  set testdir [file dirname $argv0]
    19  source $testdir/tester.tcl
    20  set ::testprefix orderby3
    21  
    22  # Generate test data for a join.  Verify that the join gets the
    23  # correct answer.
    24  #
    25  do_execsql_test 1.0 {
    26    CREATE TABLE t1(a INTEGER PRIMARY KEY);
    27    CREATE TABLE t2(b INTEGER PRIMARY KEY, c INTEGER);
    28    CREATE TABLE t3(d INTEGER);
    29      
    30    INSERT INTO t1 VALUES(1),(2),(3);
    31      
    32    INSERT INTO t2 VALUES(3, 1);
    33    INSERT INTO t2 VALUES(4, 2);
    34    INSERT INTO t2 VALUES(5, 3);
    35      
    36    INSERT INTO t3 VALUES(4),(3),(5);
    37  } {}
    38  do_execsql_test 1.1.asc {
    39    SELECT t1.a
    40      FROM t1, t2, t3
    41     WHERE t1.a=t2.c AND t2.b=t3.d
    42     ORDER BY t1.a;
    43  } {1 2 3}
    44  do_execsql_test 1.1.desc {
    45    SELECT t1.a
    46      FROM t1, t2, t3
    47     WHERE t1.a=t2.c AND t2.b=t3.d
    48     ORDER BY t1.a DESC;
    49  } {3 2 1}
    50  do_execsql_test 1.123.asc {
    51    SELECT t1.a
    52      FROM t1 CROSS JOIN t2 CROSS JOIN t3
    53     WHERE t1.a=t2.c AND t2.b=t3.d
    54     ORDER BY t1.a;
    55  } {1 2 3}
    56  do_execsql_test 1.123.desc {
    57    SELECT t1.a
    58      FROM t1 CROSS JOIN t2 CROSS JOIN t3
    59     WHERE t1.a=t2.c AND t2.b=t3.d
    60     ORDER BY t1.a DESC;
    61  } {3 2 1}
    62  do_execsql_test 1.132.asc {
    63    SELECT t1.a
    64      FROM t1 CROSS JOIN t3 CROSS JOIN t2
    65     WHERE t1.a=t2.c AND t2.b=t3.d
    66     ORDER BY t1.a;
    67  } {1 2 3}
    68  do_execsql_test 1.132.desc {
    69    SELECT t1.a
    70      FROM t1 CROSS JOIN t3 CROSS JOIN t2
    71     WHERE t1.a=t2.c AND t2.b=t3.d
    72     ORDER BY t1.a DESC;
    73  } {3 2 1}
    74  do_execsql_test 1.213.asc {
    75    SELECT t1.a
    76      FROM t2 CROSS JOIN t1 CROSS JOIN t3
    77     WHERE t1.a=t2.c AND t2.b=t3.d
    78     ORDER BY t1.a;
    79  } {1 2 3}
    80  do_execsql_test 1.213.desc {
    81    SELECT t1.a
    82      FROM t2 CROSS JOIN t1 CROSS JOIN t3
    83     WHERE t1.a=t2.c AND t2.b=t3.d
    84     ORDER BY t1.a DESC;
    85  } {3 2 1}
    86  do_execsql_test 1.231.asc {
    87    SELECT t1.a
    88      FROM t2 CROSS JOIN t3 CROSS JOIN t1
    89     WHERE t1.a=t2.c AND t2.b=t3.d
    90     ORDER BY t1.a;
    91  } {1 2 3}
    92  do_execsql_test 1.231.desc {
    93    SELECT t1.a
    94      FROM t2 CROSS JOIN t3 CROSS JOIN t1
    95     WHERE t1.a=t2.c AND t2.b=t3.d
    96     ORDER BY t1.a DESC;
    97  } {3 2 1}
    98  do_execsql_test 1.312.asc {
    99    SELECT t1.a
   100      FROM t3 CROSS JOIN t1 CROSS JOIN t2
   101     WHERE t1.a=t2.c AND t2.b=t3.d
   102     ORDER BY t1.a;
   103  } {1 2 3}
   104  do_execsql_test 1.312.desc {
   105    SELECT t1.a
   106      FROM t3 CROSS JOIN t1 CROSS JOIN t2
   107     WHERE t1.a=t2.c AND t2.b=t3.d
   108     ORDER BY t1.a DESC;
   109  } {3 2 1}
   110  do_execsql_test 1.321.asc {
   111    SELECT t1.a
   112      FROM t3 CROSS JOIN t2 CROSS JOIN t1
   113     WHERE t1.a=t2.c AND t2.b=t3.d
   114     ORDER BY t1.a;
   115  } {1 2 3}
   116  do_execsql_test 1.321.desc {
   117    SELECT t1.a
   118      FROM t3 CROSS JOIN t2 CROSS JOIN t1
   119     WHERE t1.a=t2.c AND t2.b=t3.d
   120     ORDER BY t1.a DESC;
   121  } {3 2 1}
   122  
   123  finish_test