github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/fts3ah.test (about)

     1  # 2006 October 31 
     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 focus
    12  # here is testing correct handling of very long terms.
    13  #
    14  
    15  set testdir [file dirname $argv0]
    16  source $testdir/tester.tcl
    17  
    18  # If SQLITE_ENABLE_FTS3 is not defined, omit this file.
    19  ifcapable !fts3 {
    20    finish_test
    21    return
    22  }
    23  
    24  # Generate a document of bigterms based on characters from the list
    25  # chars.
    26  proc bigtermdoc {chars len} {
    27    set doc ""
    28    foreach char $chars {
    29      append doc " " [string repeat $char $len]
    30    }
    31    return $doc
    32  }
    33  
    34  set len 5000
    35  set doc1 [bigtermdoc {a b c d} $len]
    36  set doc2 [bigtermdoc {b d e f} $len]
    37  set doc3 [bigtermdoc {a c e} $len]
    38  
    39  set aterm [string repeat a $len]
    40  set bterm [string repeat b $len]
    41  set xterm [string repeat x $len]
    42  
    43  db eval {
    44    CREATE VIRTUAL TABLE t1 USING fts3(content);
    45    INSERT INTO t1 (rowid, content) VALUES(1, $doc1);
    46    INSERT INTO t1 (rowid, content) VALUES(2, $doc2);
    47    INSERT INTO t1 (rowid, content) VALUES(3, $doc3);
    48  }
    49  
    50  # No hits at all.  Returns empty doclists from termSelect().
    51  do_test fts3ah-1.1 {
    52    execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something'}
    53  } {}
    54  
    55  do_test fts3ah-1.2 {
    56    execsql {SELECT rowid FROM t1 WHERE t1 MATCH $aterm}
    57  } {1 3}
    58  
    59  do_test fts3ah-1.3 {
    60    execsql {SELECT rowid FROM t1 WHERE t1 MATCH $xterm}
    61  } {}
    62  
    63  do_test fts3ah-1.4 {
    64    execsql "SELECT rowid FROM t1 WHERE t1 MATCH '$aterm -$xterm'"
    65  } {1 3}
    66  
    67  do_test fts3ah-1.5 {
    68    execsql "SELECT rowid FROM t1 WHERE t1 MATCH '\"$aterm $bterm\"'"
    69  } {1}
    70  
    71  finish_test