gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/collate5.test (about)

     1  #
     2  # 2001 September 15
     3  #
     4  # The author disclaims copyright to this source code.  In place of
     5  # a legal notice, here is a blessing:
     6  #
     7  #    May you do good and not evil.
     8  #    May you find forgiveness for yourself and forgive others.
     9  #    May you share freely, never taking more than you give.
    10  #
    11  #*************************************************************************
    12  # This file implements regression tests for SQLite library.  The
    13  # focus of this file is testing DISTINCT, UNION, INTERSECT and EXCEPT
    14  # SELECT statements that use user-defined collation sequences. Also
    15  # GROUP BY clauses that use user-defined collation sequences.
    16  #
    17  # $Id: collate5.test,v 1.7 2008/09/16 11:58:20 drh Exp $
    18  
    19  set testdir [file dirname $argv0]
    20  source $testdir/tester.tcl
    21  
    22  
    23  #
    24  # Tests are organised as follows:
    25  # collate5-1.* - DISTINCT
    26  # collate5-2.* - Compound SELECT
    27  # collate5-3.* - ORDER BY on compound SELECT
    28  # collate5-4.* - GROUP BY
    29  
    30  # Create the collation sequence 'TEXT', purely for asthetic reasons. The
    31  # test cases in this script could just as easily use BINARY.
    32  db collate TEXT [list string compare]
    33  
    34  # Mimic the SQLite 2 collation type NUMERIC.
    35  db collate numeric numeric_collate
    36  proc numeric_collate {lhs rhs} {
    37    if {$lhs == $rhs} {return 0} 
    38    return [expr ($lhs>$rhs)?1:-1]
    39  }
    40  
    41  #
    42  # These tests - collate5-1.* - focus on the DISTINCT keyword.
    43  #
    44  do_test collate5-1.0 {
    45    execsql {
    46      CREATE TABLE collate5t1(a COLLATE nocase, b COLLATE text);
    47  
    48      INSERT INTO collate5t1 VALUES('a', 'apple');
    49      INSERT INTO collate5t1 VALUES('A', 'Apple');
    50      INSERT INTO collate5t1 VALUES('b', 'banana');
    51      INSERT INTO collate5t1 VALUES('B', 'banana');
    52      INSERT INTO collate5t1 VALUES('n', NULL);
    53      INSERT INTO collate5t1 VALUES('N', NULL);
    54    } 
    55  } {}
    56  do_test collate5-1.1 {
    57    execsql {
    58      SELECT DISTINCT a FROM collate5t1;
    59    }
    60  } {a b n}
    61  do_test collate5-1.2 {
    62    execsql {
    63      SELECT DISTINCT b FROM collate5t1;
    64    }
    65  } {apple Apple banana {}}
    66  do_test collate5-1.3 {
    67    execsql {
    68      SELECT DISTINCT a, b FROM collate5t1;
    69    }
    70  } {a apple A Apple b banana n {}}
    71  
    72  # Ticket #3376
    73  #
    74  do_test collate5-1.11 {
    75    execsql {
    76      CREATE TABLE tkt3376(a COLLATE nocase PRIMARY KEY);
    77      INSERT INTO tkt3376 VALUES('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz');
    78      INSERT INTO tkt3376 VALUES('ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789');
    79      SELECT DISTINCT a FROM tkt3376;
    80    }
    81  } {abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789}
    82  do_test collate5-1.12 {
    83    sqlite3 db2 :memory:
    84    db2 eval {
    85      PRAGMA encoding=UTF16le;
    86      CREATE TABLE tkt3376(a COLLATE nocase PRIMARY KEY);
    87      INSERT INTO tkt3376 VALUES('abc');
    88      INSERT INTO tkt3376 VALUES('ABX');
    89      SELECT DISTINCT a FROM tkt3376;
    90    }
    91  } {abc ABX}
    92  catch {db2 close}
    93  
    94  # The remainder of this file tests compound SELECT statements.
    95  # Omit it if the library is compiled such that they are omitted.
    96  #
    97  ifcapable !compound {
    98    finish_test
    99    return
   100  }
   101  
   102  #
   103  # Tests named collate5-2.* focus on UNION, EXCEPT and INTERSECT
   104  # queries that use user-defined collation sequences.
   105  #
   106  # collate5-2.1.* - UNION
   107  # collate5-2.2.* - INTERSECT
   108  # collate5-2.3.* - EXCEPT
   109  #
   110  do_test collate5-2.0 {
   111    execsql {
   112      CREATE TABLE collate5t2(a COLLATE text, b COLLATE nocase);
   113  
   114      INSERT INTO collate5t2 VALUES('a', 'apple');
   115      INSERT INTO collate5t2 VALUES('A', 'apple');
   116      INSERT INTO collate5t2 VALUES('b', 'banana');
   117      INSERT INTO collate5t2 VALUES('B', 'Banana');
   118    } 
   119  } {}
   120  
   121  do_test collate5-2.1.1 {
   122    execsql {
   123      SELECT a FROM collate5t1 UNION select a FROM collate5t2;
   124    }
   125  } {A B N}
   126  do_test collate5-2.1.2 {
   127    execsql {
   128      SELECT a FROM collate5t2 UNION select a FROM collate5t1;
   129    }
   130  } {A B N a b n}
   131  do_test collate5-2.1.3 {
   132    execsql {
   133      SELECT a, b FROM collate5t1 UNION select a, b FROM collate5t2;
   134    }
   135  } {A Apple A apple B Banana b banana N {}}
   136  do_test collate5-2.1.4 {
   137    execsql {
   138      SELECT a, b FROM collate5t2 UNION select a, b FROM collate5t1;
   139    }
   140  } {A Apple B banana N {} a apple b banana n {}}
   141  
   142  do_test collate5-2.2.1 {
   143    execsql {
   144      SELECT a FROM collate5t1 EXCEPT select a FROM collate5t2;
   145    }
   146  } {N}
   147  do_test collate5-2.2.2 {
   148    execsql {
   149      SELECT a FROM collate5t2 EXCEPT select a FROM collate5t1 WHERE a != 'a';
   150    }
   151  } {A a}
   152  do_test collate5-2.2.3 {
   153    execsql {
   154      SELECT a, b FROM collate5t1 EXCEPT select a, b FROM collate5t2;
   155    }
   156  } {A Apple N {}}
   157  do_test collate5-2.2.4 {
   158    execsql {
   159      SELECT a, b FROM collate5t2 EXCEPT select a, b FROM collate5t1 
   160        where a != 'a';
   161    }
   162  } {A apple a apple}
   163  
   164  do_test collate5-2.3.1 {
   165    execsql {
   166      SELECT a FROM collate5t1 INTERSECT select a FROM collate5t2;
   167    }
   168  } {A B}
   169  do_test collate5-2.3.2 {
   170    execsql {
   171      SELECT a FROM collate5t2 INTERSECT select a FROM collate5t1 WHERE a != 'a';
   172    }
   173  } {B b}
   174  do_test collate5-2.3.3 {
   175    execsql {
   176      SELECT a, b FROM collate5t1 INTERSECT select a, b FROM collate5t2;
   177    }
   178  } {a apple B banana}
   179  do_test collate5-2.3.4 {
   180    execsql {
   181      SELECT a, b FROM collate5t2 INTERSECT select a, b FROM collate5t1;
   182    }
   183  } {A apple B Banana a apple b banana}
   184  
   185  #
   186  # This test ensures performs a UNION operation with a bunch of different
   187  # length records. The goal is to test that the logic that compares records
   188  # for the compound SELECT operators works with record lengths that lie
   189  # either side of the troublesome 256 and 65536 byte marks.
   190  #
   191  set ::lens [list \
   192    0 1 2 3 4 5 6 7 8 9 \
   193    240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 \
   194    257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 \
   195    65520 65521 65522 65523 65524 65525 65526 65527 65528 65529 65530 \
   196    65531 65532 65533 65534 65535 65536 65537 65538 65539 65540 65541 \
   197    65542 65543 65544 65545 65546 65547 65548 65549 65550 65551 ]
   198  do_test collate5-2.4.0 {
   199    execsql {
   200      BEGIN;
   201      CREATE TABLE collate5t3(a, b);
   202    }
   203    foreach ii $::lens { 
   204      execsql "INSERT INTO collate5t3 VALUES($ii, '[string repeat a $ii]');"
   205    }
   206    expr [llength [execsql {
   207      COMMIT;
   208      SELECT * FROM collate5t3 UNION SELECT * FROM collate5t3;
   209    }]] / 2
   210  } [llength $::lens]
   211  do_test collate5-2.4.1 {
   212    execsql {DROP TABLE collate5t3;}
   213  } {}
   214  unset ::lens
   215  
   216  #
   217  # These tests - collate5-3.* - focus on compound SELECT queries that 
   218  # feature ORDER BY clauses.
   219  #
   220  do_test collate5-3.0 {
   221    execsql {
   222      SELECT a FROM collate5t1 UNION ALL SELECT a FROM collate5t2 ORDER BY 1;
   223    }
   224  } {/[aA] [aA] [aA] [aA] [bB] [bB] [bB] [bB] [nN] [nN]/}
   225  do_test collate5-3.1 {
   226    execsql {
   227      SELECT a FROM collate5t2 UNION ALL SELECT a FROM collate5t1 ORDER BY 1;
   228    }
   229  } {A A B B N a a b b n}
   230  do_test collate5-3.2 {
   231    execsql {
   232      SELECT a FROM collate5t1 UNION ALL SELECT a FROM collate5t2 
   233        ORDER BY 1 COLLATE TEXT;
   234    }
   235  } {A A B B N a a b b n}
   236  
   237  do_test collate5-3.3 {
   238    execsql {
   239      CREATE TABLE collate5t_cn(a COLLATE NUMERIC);
   240      CREATE TABLE collate5t_ct(a COLLATE TEXT);
   241      INSERT INTO collate5t_cn VALUES('1');
   242      INSERT INTO collate5t_cn VALUES('11');
   243      INSERT INTO collate5t_cn VALUES('101');
   244      INSERT INTO collate5t_ct SELECT * FROM collate5t_cn;
   245    }
   246  } {}
   247  do_test collate5-3.4 {
   248    execsql {
   249      SELECT a FROM collate5t_cn INTERSECT SELECT a FROM collate5t_ct ORDER BY 1;
   250    }
   251  } {1 11 101}
   252  do_test collate5-3.5 {
   253    execsql {
   254      SELECT a FROM collate5t_ct INTERSECT SELECT a FROM collate5t_cn ORDER BY 1;
   255    }
   256  } {1 101 11}
   257  
   258  do_test collate5-3.20 {
   259    execsql {
   260      DROP TABLE collate5t_cn;
   261      DROP TABLE collate5t_ct;
   262      DROP TABLE collate5t1;
   263      DROP TABLE collate5t2;
   264    }
   265  } {}
   266  
   267  do_test collate5-4.0 {
   268    execsql {
   269      CREATE TABLE collate5t1(a COLLATE NOCASE, b COLLATE NUMERIC); 
   270      INSERT INTO collate5t1 VALUES('a', '1');
   271      INSERT INTO collate5t1 VALUES('A', '1.0');
   272      INSERT INTO collate5t1 VALUES('b', '2');
   273      INSERT INTO collate5t1 VALUES('B', '3');
   274    }
   275  } {}
   276  do_test collate5-4.1 {
   277    string tolower [execsql {
   278      SELECT a, count(*) FROM collate5t1 GROUP BY a;
   279    }]
   280  } {a 2 b 2}
   281  do_test collate5-4.2 {
   282    execsql {
   283      SELECT a, b, count(*) FROM collate5t1 GROUP BY a, b ORDER BY a, b;
   284    }
   285  } {/[aA] 1(.0)? 2 [bB] 2 1 [bB] 3 1/}
   286  do_test collate5-4.3 {
   287    execsql {
   288      DROP TABLE collate5t1;
   289    }
   290  } {}
   291  
   292  finish_test