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# 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
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