gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/numindex1.test (about)

     1  # 2015-11-05
     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 tests for indexes on large numeric values.
    12  #
    13  
    14  set testdir [file dirname $argv0]
    15  source $testdir/tester.tcl
    16  
    17  
    18  # Test cases from Zsbán Ambrus:
    19  #
    20  do_execsql_test numindex1-1.1 {
    21    CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
    22    CREATE INDEX t1b ON t1(b);
    23    INSERT INTO t1(a,b) VALUES(100, 356282677878746339);
    24    INSERT INTO t1(a,b) VALUES(50, 356282677878746339.0);
    25    INSERT INTO t1(a,b) VALUES(0, 356282677878746340);
    26    DELETE FROM t1 WHERE a=50;
    27    PRAGMA integrity_check;
    28  } {ok}
    29  
    30  do_execsql_test numindex1-1.2 {
    31    CREATE TABLE t2(a,b);
    32    INSERT INTO t2(a,b) VALUES('b', 1<<58),
    33        ('c', (1<<58)+1e-7), ('d', (1<<58)+1);
    34    SELECT a, b, typeof(b), '|' FROM t2 ORDER BY +a;
    35  } {b 288230376151711744 integer | c 2.88230376151712e+17 real | d 288230376151711745 integer |}
    36  
    37  do_execsql_test numindex1-1.3 {
    38    SELECT x.a || CASE WHEN x.b==y.b THEN '==' ELSE '<>' END || y.a
    39      FROM t2 AS x, t2 AS y
    40     ORDER BY +x.a, +x.b;
    41  } {b==b b==c b<>d c==b c==c c<>d d<>b d<>c d==d}
    42  
    43  # New test cases
    44  #
    45  do_execsql_test numindex1-2.1 {
    46    DROP TABLE IF EXISTS t1;
    47    CREATE TABLE t1(a INTEGER PRIMARY KEY,b);
    48    CREATE INDEX t1b ON t1(b);
    49    WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
    50    INSERT INTO t1(a,b) SELECT x, 10000000000000004.0 FROM c
    51     WHERE x NOT IN (23,37);
    52    INSERT INTO t1(a,b) VALUES(23,10000000000000005);
    53    INSERT INTO t1(a,b) VALUES(37,10000000000000003);
    54    DELETE FROM t1 WHERE a NOT IN (23,37);
    55    PRAGMA integrity_check;
    56  } {ok}
    57  
    58  do_execsql_test numindex1-3.1 {
    59    DROP TABLE IF EXISTS t1;
    60    CREATE TABLE t1(a INTEGER PRIMARY KEY,b);
    61    CREATE INDEX t1b ON t1(b);
    62    WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
    63    INSERT INTO t1(a,b) SELECT x, 100000000000000005.0
    64      FROM c WHERE x NOT IN (3,5,7,11,13,17,19);
    65    INSERT INTO t1(a,b) VALUES(3,100000000000000005);
    66    INSERT INTO t1(a,b) VALUES(5,100000000000000000);
    67    INSERT INTO t1(a,b) VALUES(7,100000000000000008);
    68    INSERT INTO t1(a,b) VALUES(11,100000000000000006);
    69    INSERT INTO t1(a,b) VALUES(13,100000000000000001);
    70    INSERT INTO t1(a,b) VALUES(17,100000000000000004);
    71    INSERT INTO t1(a,b) VALUES(19,100000000000000003);
    72    PRAGMA integrity_check;
    73  } {ok}
    74  
    75  do_execsql_test numindex1-3.2 {
    76    SELECT a FROM t1 ORDER BY b;
    77  } {1 2 4 5 6 8 9 10 12 14 15 16 18 20 13 19 17 3 11 7}
    78  
    79  finish_test