github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/fts3join.test (about)

     1  # 2014 January 4
     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 FTS3 module.
    13  #
    14  
    15  set testdir [file dirname $argv0]
    16  source $testdir/tester.tcl
    17  set ::testprefix fts3join
    18  
    19  # If SQLITE_ENABLE_FTS3 is defined, omit this file.
    20  ifcapable !fts3 {
    21    finish_test
    22    return
    23  }
    24  
    25  do_execsql_test 1.0 {
    26    CREATE VIRTUAL TABLE ft1 USING fts4(x);
    27    INSERT INTO ft1 VALUES('aaa aaa');
    28    INSERT INTO ft1 VALUES('aaa bbb');
    29    INSERT INTO ft1 VALUES('bbb aaa');
    30    INSERT INTO ft1 VALUES('bbb bbb');
    31  
    32    CREATE TABLE t1(id, y);
    33    INSERT INTO t1 VALUES(1, 'aaa');
    34    INSERT INTO t1 VALUES(2, 'bbb');
    35  }
    36  
    37  do_execsql_test 1.1 {
    38    SELECT docid FROM ft1, t1 WHERE ft1 MATCH y AND id=1;
    39  } {1 2 3}
    40  
    41  do_execsql_test 1.2 {
    42    SELECT docid FROM ft1, t1 WHERE ft1 MATCH y AND id=1 ORDER BY docid;
    43  } {1 2 3}
    44  
    45  do_execsql_test 2.0 {
    46    CREATE VIRTUAL TABLE ft2 USING fts4(x);
    47    CREATE VIRTUAL TABLE ft3 USING fts4(y);
    48  
    49    INSERT INTO ft2 VALUES('abc');
    50    INSERT INTO ft2 VALUES('def');
    51    INSERT INTO ft3 VALUES('ghi');
    52    INSERT INTO ft3 VALUES('abc');
    53  }
    54  
    55  do_execsql_test 2.1 { SELECT * FROM ft2, ft3 WHERE x MATCH y; } {abc abc}
    56  do_execsql_test 2.2 { SELECT * FROM ft2, ft3 WHERE y MATCH x; } {abc abc}
    57  do_execsql_test 2.3 { SELECT * FROM ft3, ft2 WHERE x MATCH y; } {abc abc}
    58  do_execsql_test 2.4 { SELECT * FROM ft3, ft2 WHERE y MATCH x; } {abc abc}
    59  
    60  do_catchsql_test 2.5 { 
    61    SELECT * FROM ft3, ft2 WHERE y MATCH x AND x MATCH y; 
    62  } {1 {unable to use function MATCH in the requested context}}
    63  
    64  do_execsql_test 3.0 {
    65    CREATE VIRTUAL TABLE vt USING fts3(x);
    66    INSERT INTO vt VALUES('abc');
    67    INSERT INTO vt VALUES('xyz');
    68  
    69    CREATE TABLE tt(a INTEGER PRIMARY KEY);
    70    INSERT INTO tt VALUES(1), (2);
    71  }
    72  
    73  do_execsql_test 3.1 {
    74    SELECT * FROM tt LEFT JOIN (
    75      SELECT rowid AS rrr, * FROM vt WHERE vt MATCH 'abc'
    76    ) ON tt.a = rrr
    77  } {1 1 abc 2 {} {}}
    78  
    79  do_execsql_test 3.2 {
    80    SELECT * FROM tt LEFT JOIN vt ON (vt MATCH 'abc')
    81  } {1 abc 2 abc}
    82  
    83  #-------------------------------------------------------------------------
    84  # Test that queries of the form found in test case 4.2 use an automatic
    85  # index to avoid running multiple fts queries.
    86  #
    87  do_execsql_test 4.1 {
    88    CREATE VIRTUAL TABLE ft4 USING fts3(x);
    89    CREATE TABLE t4(y, z);
    90    CREATE INDEX t4y ON t1(y);
    91  }
    92  
    93  do_eqp_test 4.2 {
    94    SELECT * FROM t4 LEFT JOIN (
    95        SELECT docid, * FROM ft4 WHERE ft4 MATCH ?
    96    ) AS rr ON t4.rowid=rr.docid 
    97    WHERE t4.y = ?;
    98  } {
    99    QUERY PLAN
   100    |--MATERIALIZE rr
   101    |  `--SCAN ft4 VIRTUAL TABLE INDEX 3:
   102    |--SCAN t4
   103    `--SEARCH rr USING AUTOMATIC COVERING INDEX (docid=?)
   104  }
   105  
   106  finish_test