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    1: # 2006 September 13
    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 script is testing the FTS2 module.
   13: #
   14: # $Id: fts2b.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
   15: #
   16: 
   17: set testdir [file dirname $argv0]
   18: source $testdir/tester.tcl
   19: 
   20: # If SQLITE_ENABLE_FTS2 is defined, omit this file.
   21: ifcapable !fts2 {
   22:   finish_test
   23:   return
   24: }
   25: 
   26: # Fill the full-text index "t1" with phrases in english, spanish,
   27: # and german.  For the i-th row, fill in the names for the bits
   28: # that are set in the value of i.  The least significant bit is
   29: # 1.  For example,  the value 5 is 101 in binary which will be
   30: # converted to "one three" in english.
   31: #
   32: proc fill_multilanguage_fulltext_t1 {} {
   33:   set english {one two three four five}
   34:   set spanish {un dos tres cuatro cinco}
   35:   set german {eine zwei drei vier funf}
   36:   
   37:   for {set i 1} {$i<=31} {incr i} {
   38:     set cmd "INSERT INTO t1 VALUES"
   39:     set vset {}
   40:     foreach lang {english spanish german} {
   41:       set words {}
   42:       for {set j 0; set k 1} {$j<5} {incr j; incr k $k} {
   43:         if {$k&$i} {lappend words [lindex [set $lang] $j]}
   44:       }
   45:       lappend vset "'$words'"
   46:     }
   47:     set sql "INSERT INTO t1(english,spanish,german) VALUES([join $vset ,])"
   48:     # puts $sql
   49:     db eval $sql
   50:   }
   51: }
   52: 
   53: # Construct a full-text search table containing five keywords:
   54: # one, two, three, four, and five, in various combinations.  The
   55: # rowid for each will be a bitmask for the elements it contains.
   56: #
   57: db eval {
   58:   CREATE VIRTUAL TABLE t1 USING fts2(english,spanish,german);
   59: }
   60: fill_multilanguage_fulltext_t1
   61: 
   62: do_test fts2b-1.1 {
   63:   execsql {SELECT rowid FROM t1 WHERE english MATCH 'one'}
   64: } {1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31}
   65: do_test fts2b-1.2 {
   66:   execsql {SELECT rowid FROM t1 WHERE spanish MATCH 'one'}
   67: } {}
   68: do_test fts2b-1.3 {
   69:   execsql {SELECT rowid FROM t1 WHERE german MATCH 'one'}
   70: } {}
   71: do_test fts2b-1.4 {
   72:   execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'one'}
   73: } {1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31}
   74: do_test fts2b-1.5 {
   75:   execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'one dos drei'}
   76: } {7 15 23 31}
   77: do_test fts2b-1.6 {
   78:   execsql {SELECT english, spanish, german FROM t1 WHERE rowid=1}
   79: } {one un eine}
   80: do_test fts2b-1.7 {
   81:   execsql {SELECT rowid FROM t1 WHERE t1 MATCH '"one un"'}
   82: } {}
   83: 
   84: do_test fts2b-2.1 {
   85:   execsql {
   86:     CREATE VIRTUAL TABLE t2 USING fts2(from,to);
   87:     INSERT INTO t2([from],[to]) VALUES ('one two three', 'four five six');
   88:     SELECT [from], [to] FROM t2
   89:   }
   90: } {{one two three} {four five six}}
   91: 
   92: 
   93: # Compute an SQL string that contains the words one, two, three,... to
   94: # describe bits set in the value $i.  Only the lower 5 bits are examined.
   95: #
   96: proc wordset {i} {
   97:   set x {}
   98:   for {set j 0; set k 1} {$j<5} {incr j; incr k $k} {
   99:     if {$k&$i} {lappend x [lindex {one two three four five} $j]}
  100:   }
  101:   return '$x'
  102: }
  103: 
  104: # Create a new FTS table with three columns:
  105: #
  106: #    norm:      words for the bits of rowid
  107: #    plusone:   words for the bits of rowid+1
  108: #    invert:    words for the bits of ~rowid
  109: #
  110: db eval {
  111:    CREATE VIRTUAL TABLE t4 USING fts2([norm],'plusone',"invert");
  112: }
  113: for {set i 1} {$i<=15} {incr i} {
  114:   set vset [list [wordset $i] [wordset [expr {$i+1}]] [wordset [expr {~$i}]]]
  115:   db eval "INSERT INTO t4(norm,plusone,invert) VALUES([join $vset ,]);"
  116: }
  117: 
  118: do_test fts2b-4.1 {
  119:   execsql {SELECT rowid FROM t4 WHERE t4 MATCH 'norm:one'}
  120: } {1 3 5 7 9 11 13 15}
  121: do_test fts2b-4.2 {
  122:   execsql {SELECT rowid FROM t4 WHERE norm MATCH 'one'}
  123: } {1 3 5 7 9 11 13 15}
  124: do_test fts2b-4.3 {
  125:   execsql {SELECT rowid FROM t4 WHERE t4 MATCH 'one'}
  126: } {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15}
  127: do_test fts2b-4.4 {
  128:   execsql {SELECT rowid FROM t4 WHERE t4 MATCH 'plusone:one'}
  129: } {2 4 6 8 10 12 14}
  130: do_test fts2b-4.5 {
  131:   execsql {SELECT rowid FROM t4 WHERE plusone MATCH 'one'}
  132: } {2 4 6 8 10 12 14}
  133: do_test fts2b-4.6 {
  134:   execsql {SELECT rowid FROM t4 WHERE t4 MATCH 'norm:one plusone:two'}
  135: } {1 5 9 13}
  136: do_test fts2b-4.7 {
  137:   execsql {SELECT rowid FROM t4 WHERE t4 MATCH 'norm:one two'}
  138: } {1 3 5 7 9 11 13 15}
  139: do_test fts2b-4.8 {
  140:   execsql {SELECT rowid FROM t4 WHERE t4 MATCH 'plusone:two norm:one'}
  141: } {1 5 9 13}
  142: do_test fts2b-4.9 {
  143:   execsql {SELECT rowid FROM t4 WHERE t4 MATCH 'two norm:one'}
  144: } {1 3 5 7 9 11 13 15}
  145: 
  146: 
  147: finish_test