1 # 2008 July 29

     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 # These tests exercise the various types of fts2 cursors.

    12 #

    13 # $Id: fts2r.test,v 1.1 2008/07/29 20:38:18 shess Exp $

    14 #

    15 

    16 set testdir [file dirname $argv0]

    17 source $testdir/tester.tcl

    18 

    19 # If SQLITE_ENABLE_FTS2 is not defined, omit this file.

    20 ifcapable !fts2 {

    21   finish_test

    22   return

    23 }

    24 

    25 #*************************************************************************

    26 # Test table scan (QUERY_GENERIC).  This kind of query happens for

    27 # queries with no WHERE clause, or for WHERE clauses which cannot be

    28 # satisfied by an index.

    29 db eval {

    30   DROP TABLE IF EXISTS t1;

    31   CREATE VIRTUAL TABLE t1 USING fts2(c);

    32   INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');

    33   INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');

    34   INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');

    35 }

    36 

    37 do_test fts2e-1.1 {

    38   execsql {

    39     SELECT rowid FROM t1 ORDER BY rowid;

    40   }

    41 } {1 2 3}

    42 

    43 do_test fts2e-1.2 {

    44   execsql {

    45     SELECT rowid FROM t1 WHERE c LIKE '%test' ORDER BY rowid;

    46   }

    47 } {1 2 3}

    48 

    49 do_test fts2e-1.3 {

    50   execsql {

    51     SELECT rowid FROM t1 WHERE c LIKE 'That%' ORDER BY rowid;

    52   }

    53 } {2}

    54 

    55 #*************************************************************************

    56 # Test lookup by rowid (QUERY_ROWID).  This kind of query happens for

    57 # queries which select by the rowid implicit index.

    58 db eval {

    59   DROP TABLE IF EXISTS t1;

    60   DROP TABLE IF EXISTS t2;

    61   CREATE VIRTUAL TABLE t1 USING fts2(c);

    62   CREATE TABLE t2(id INTEGER PRIMARY KEY AUTOINCREMENT, weight INTEGER UNIQUE);

    63   INSERT INTO t2 VALUES (null, 10);

    64   INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test');

    65   INSERT INTO t2 VALUES (null, 5);

    66   INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'That was a test');

    67   INSERT INTO t2 VALUES (null, 20);

    68   INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test');

    69 }

    70 

    71 # TODO(shess): This actually is doing QUERY_GENERIC?  I'd have

    72 # expected QUERY_ROWID in this case, as for a very large table the

    73 # full scan is less efficient.

    74 do_test fts2e-2.1 {

    75   execsql {

    76     SELECT rowid FROM t1 WHERE rowid in (1, 2, 10);

    77   }

    78 } {1 2}

    79 

    80 do_test fts2e-2.2 {

    81   execsql {

    82     SELECT t1.rowid, weight FROM t1, t2 WHERE t2.id = t1.rowid ORDER BY weight;

    83   }

    84 } {2 5 1 10 3 20}

    85 

    86 do_test fts2e-2.3 {

    87   execsql {

    88     SELECT t1.rowid, weight FROM t1, t2

    89            WHERE t2.weight>5 AND t2.id = t1.rowid ORDER BY weight;

    90   }

    91 } {1 10 3 20}

    92 

    93 #*************************************************************************

    94 # Test lookup by MATCH (QUERY_FULLTEXT).  This is the fulltext index.

    95 db eval {

    96   DROP TABLE IF EXISTS t1;

    97   DROP TABLE IF EXISTS t2;

    98   CREATE VIRTUAL TABLE t1 USING fts2(c);

    99   CREATE TABLE t2(id INTEGER PRIMARY KEY AUTOINCREMENT, weight INTEGER UNIQUE);

   100   INSERT INTO t2 VALUES (null, 10);

   101   INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test');

   102   INSERT INTO t2 VALUES (null, 5);

   103   INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'That was a test');

   104   INSERT INTO t2 VALUES (null, 20);

   105   INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test');

   106 }

   107 

   108 do_test fts2e-3.1 {

   109   execsql {

   110     SELECT rowid FROM t1 WHERE t1 MATCH 'this' ORDER BY rowid;

   111   }

   112 } {1 3}

   113 

   114 do_test fts2e-3.2 {

   115   execsql {

   116     SELECT t1.rowid, weight FROM t1, t2

   117      WHERE t1 MATCH 'this' AND t1.rowid = t2.id ORDER BY weight;

   118   }

   119 } {1 10 3 20}

   120 

   121 finish_test