github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/amatch1.test (about)

     1  # 2013-09-30
     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 "approximate_match" virtual
    12  # table that is in the "amatch.c" extension.
    13  #
    14  #
    15  
    16  set testdir [file dirname $argv0]
    17  source $testdir/tester.tcl
    18  
    19  # If SQLITE_ENABLE_FTS4 is defined, omit this file.
    20  ifcapable !fts3 {
    21    finish_test
    22    return
    23  }
    24  
    25  # Create the fts_kjv_genesis procedure which fills and FTS3/4 table with
    26  # the complete text of the Book of Genesis.
    27  #
    28  source $testdir/genesis.tcl
    29  
    30  
    31  
    32  do_test amatch1-1.0 {
    33    db eval {
    34      CREATE VIRTUAL TABLE t1 USING fts4(words); --, tokenize porter);
    35    }
    36    fts_kjv_genesis
    37    db eval {
    38      INSERT INTO t1(t1) VALUES('optimize');
    39      CREATE VIRTUAL TABLE temp.t1aux USING fts4aux(main, t1);
    40      SELECT term FROM t1aux WHERE col=0 ORDER BY 1 LIMIT 5
    41    }
    42  } {a abated abel abelmizraim abidah}
    43  do_test amatch1-1.1 {
    44    db eval {
    45      SELECT term FROM t1aux WHERE term>'b' AND col=0 ORDER BY 1 LIMIT 5
    46    }
    47  } {baalhanan babel back backward bad}
    48  do_test amatch1-1.2 {
    49    db eval {
    50      SELECT term FROM t1aux WHERE term>'b' AND col=0 LIMIT 5
    51    }
    52  } {baalhanan babel back backward bad}
    53  
    54  # Load the amatch extension
    55  load_static_extension db amatch
    56  
    57  do_execsql_test amatch1-2.0 {
    58      CREATE TABLE costs(iLang, cFrom, cTo, Cost);
    59      INSERT INTO costs VALUES(0, '', '?', 100);
    60      INSERT INTO costs VALUES(0, '?', '', 100);
    61      INSERT INTO costs VALUES(0, '?', '?', 150);
    62      CREATE TABLE vocab(w TEXT UNIQUE);
    63      INSERT OR IGNORE INTO vocab SELECT term FROM t1aux;
    64      CREATE VIRTUAL TABLE t2 USING approximate_match(
    65        vocabulary_table=t1aux,
    66        vocabulary_word=term,
    67        edit_distances=costs
    68      );
    69      CREATE VIRTUAL TABLE t3 USING approximate_match(
    70        vocabulary_table=vocab,
    71        vocabulary_word=w,
    72        edit_distances=costs
    73      );
    74      CREATE VIRTUAL TABLE t4 USING approximate_match(
    75          vocabulary_table=vtemp,
    76          vocabulary_word=w,
    77          edit_distances=costs
    78        );
    79  } {}
    80  puts "Query against fts4aux: [time {
    81    do_execsql_test amatch1-2.1 {
    82        SELECT word, distance FROM t2
    83         WHERE word MATCH 'josxph' AND distance<300;
    84    } {joseph 150}} 1]"
    85  puts "Query against ordinary table: [time {
    86    do_execsql_test amatch1-2.2 {
    87        SELECT word, distance FROM t3
    88         WHERE word MATCH 'josxph' AND distance<300;
    89    } {joseph 150}} 1]"
    90  puts "Temp table initialized from fts4aux: [time {
    91    do_execsql_test amatch1-2.3a {
    92        CREATE TEMP TABLE vtemp(w TEXT UNIQUE);
    93        INSERT OR IGNORE INTO vtemp SELECT term FROM t1aux;
    94    } {}} 1]"
    95  puts "Query against temp table: [time {
    96    do_execsql_test amatch1-2.3b {
    97        SELECT word, distance FROM t4
    98         WHERE word MATCH 'josxph' AND distance<300;
    99    } {joseph 150}} 1]"
   100  do_execsql_test amatch1-2.11 {
   101      SELECT word, distance FROM t2
   102       WHERE word MATCH 'joxxph' AND distance<=300;
   103  } {joseph 300}
   104  do_execsql_test amatch1-2.12 {
   105      SELECT word, distance FROM t3
   106       WHERE word MATCH 'joxxph' AND distance<=300;
   107  } {joseph 300}
   108  do_execsql_test amatch1-2.21 {
   109      SELECT word, distance FROM t2
   110       WHERE word MATCH 'joxxph' AND distance<300;
   111  } {}
   112  do_execsql_test amatch1-2.22 {
   113      SELECT word, distance FROM t3
   114       WHERE word MATCH 'joxxph' AND distance<300;
   115  } {}
   116  
   117  finish_test