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 fts3 cursors.

    12 #

    13 # $Id: fts3e.test,v 1.1 2008/07/29 20:24:46 shess Exp $

    14 #

    15 

    16 set testdir [file dirname $argv0]

    17 source $testdir/tester.tcl

    18 

    19 # If SQLITE_ENABLE_FTS3 is not defined, omit this file.

    20 ifcapable !fts3 {

    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 fts3(c);

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

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

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

    35 }

    36 

    37 do_test fts3e-1.1 {

    38   execsql {

    39     SELECT docid FROM t1 ORDER BY docid;

    40   }

    41 } {1 2 3}

    42 

    43 do_test fts3e-1.2 {

    44   execsql {

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

    46   }

    47 } {1 2 3}

    48 

    49 do_test fts3e-1.3 {

    50   execsql {

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

    52   }

    53 } {2}

    54 

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

    56 # Test lookup by docid (QUERY_DOCID).  This kind of query happens for

    57 # queries which select by the docid/rowid implicit index.

    58 db eval {

    59   DROP TABLE IF EXISTS t1;

    60   DROP TABLE IF EXISTS t2;

    61   CREATE VIRTUAL TABLE t1 USING fts3(c);

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

    63   INSERT INTO t2 VALUES (null, 10);

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

    65   INSERT INTO t2 VALUES (null, 5);

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

    67   INSERT INTO t2 VALUES (null, 20);

    68   INSERT INTO t1 (docid, 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_DOCID in this case, as for a very large table the

    73 # full scan is less efficient.

    74 do_test fts3e-2.1 {

    75   execsql {

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

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

    78   }

    79 } {1 2 1 2}

    80 

    81 do_test fts3e-2.2 {

    82   execsql {

    83     SELECT docid, weight FROM t1, t2 WHERE t2.id = t1.docid ORDER BY weight;

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

    85   }

    86 } {2 5 1 10 3 20 2 5 1 10 3 20}

    87 

    88 do_test fts3e-2.3 {

    89   execsql {

    90     SELECT docid, weight FROM t1, t2

    91            WHERE t2.weight>5 AND t2.id = t1.docid ORDER BY weight;

    92     SELECT t1.rowid, weight FROM t1, t2

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

    94   }

    95 } {1 10 3 20 1 10 3 20}

    96 

    97 #*************************************************************************

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

    99 db eval {

   100   DROP TABLE IF EXISTS t1;

   101   DROP TABLE IF EXISTS t2;

   102   CREATE VIRTUAL TABLE t1 USING fts3(c);

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

   104   INSERT INTO t2 VALUES (null, 10);

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

   106   INSERT INTO t2 VALUES (null, 5);

   107   INSERT INTO t1 (docid, c) VALUES (last_insert_rowid(), 'That was a test');

   108   INSERT INTO t2 VALUES (null, 20);

   109   INSERT INTO t1 (docid, c) VALUES (last_insert_rowid(), 'This is a test');

   110 }

   111 

   112 do_test fts3e-3.1 {

   113   execsql {

   114     SELECT docid FROM t1 WHERE t1 MATCH 'this' ORDER BY docid;

   115   }

   116 } {1 3}

   117 

   118 do_test fts3e-3.2 {

   119   execsql {

   120     SELECT docid, weight FROM t1, t2

   121      WHERE t1 MATCH 'this' AND t1.docid = t2.id ORDER BY weight;

   122   }

   123 } {1 10 3 20}

   124 

   125 finish_test