# 2008 July 29

#

# The author disclaims copyright to this source code.  In place of

# a legal notice, here is a blessing:

#

#    May you do good and not evil.

#    May you find forgiveness for yourself and forgive others.

#    May you share freely, never taking more than you give.

#

#*************************************************************************

# These tests exercise the various types of fts3 cursors.

#

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

#

set testdir [file dirname $argv0]

source $testdir/tester.tcl

# If SQLITE_ENABLE_FTS3 is not defined, omit this file.

ifcapable !fts3 {

  finish_test

  return

}

#*************************************************************************

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

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

# satisfied by an index.

db eval {

  DROP TABLE IF EXISTS t1;

  CREATE VIRTUAL TABLE t1 USING fts3(c);

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

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

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

}

do_test fts3e-1.1 {

  execsql {

    SELECT docid FROM t1 ORDER BY docid;

  }

} {1 2 3}

do_test fts3e-1.2 {

  execsql {

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

  }

} {1 2 3}

do_test fts3e-1.3 {

  execsql {

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

  }

} {2}

#*************************************************************************

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

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

db eval {

  DROP TABLE IF EXISTS t1;

  DROP TABLE IF EXISTS t2;

  CREATE VIRTUAL TABLE t1 USING fts3(c);

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

  INSERT INTO t2 VALUES (null, 10);

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

  INSERT INTO t2 VALUES (null, 5);

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

  INSERT INTO t2 VALUES (null, 20);

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

}

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

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

# full scan is less efficient.

do_test fts3e-2.1 {

  execsql {

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

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

  }

} {1 2 1 2}

do_test fts3e-2.2 {

  execsql {

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

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

  }

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

do_test fts3e-2.3 {

  execsql {

    SELECT docid, weight FROM t1, t2

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

    SELECT t1.rowid, weight FROM t1, t2

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

  }

} {1 10 3 20 1 10 3 20}

#*************************************************************************

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

db eval {

  DROP TABLE IF EXISTS t1;

  DROP TABLE IF EXISTS t2;

  CREATE VIRTUAL TABLE t1 USING fts3(c);

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

  INSERT INTO t2 VALUES (null, 10);

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

  INSERT INTO t2 VALUES (null, 5);

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

  INSERT INTO t2 VALUES (null, 20);

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

}

do_test fts3e-3.1 {

  execsql {

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

  }

} {1 3}

do_test fts3e-3.2 {

  execsql {

    SELECT docid, weight FROM t1, t2

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

  }

} {1 10 3 20}

finish_test