# 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 fts2 cursors. # # $Id: fts2r.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # If SQLITE_ENABLE_FTS2 is not defined, omit this file. ifcapable !fts2 { 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 fts2(c); INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test'); INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test'); INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test'); } do_test fts2e-1.1 { execsql { SELECT rowid FROM t1 ORDER BY rowid; } } {1 2 3} do_test fts2e-1.2 { execsql { SELECT rowid FROM t1 WHERE c LIKE '%test' ORDER BY rowid; } } {1 2 3} do_test fts2e-1.3 { execsql { SELECT rowid FROM t1 WHERE c LIKE 'That%' ORDER BY rowid; } } {2} #************************************************************************* # Test lookup by rowid (QUERY_ROWID). This kind of query happens for # queries which select by the rowid implicit index. db eval { DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t2; CREATE VIRTUAL TABLE t1 USING fts2(c); CREATE TABLE t2(id INTEGER PRIMARY KEY AUTOINCREMENT, weight INTEGER UNIQUE); INSERT INTO t2 VALUES (null, 10); INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test'); INSERT INTO t2 VALUES (null, 5); INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'That was a test'); INSERT INTO t2 VALUES (null, 20); INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test'); } # TODO(shess): This actually is doing QUERY_GENERIC? I'd have # expected QUERY_ROWID in this case, as for a very large table the # full scan is less efficient. do_test fts2e-2.1 { execsql { SELECT rowid FROM t1 WHERE rowid in (1, 2, 10); } } {1 2} do_test fts2e-2.2 { execsql { SELECT t1.rowid, weight FROM t1, t2 WHERE t2.id = t1.rowid ORDER BY weight; } } {2 5 1 10 3 20} do_test fts2e-2.3 { execsql { SELECT t1.rowid, weight FROM t1, t2 WHERE t2.weight>5 AND t2.id = t1.rowid ORDER BY weight; } } {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 fts2(c); CREATE TABLE t2(id INTEGER PRIMARY KEY AUTOINCREMENT, weight INTEGER UNIQUE); INSERT INTO t2 VALUES (null, 10); INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test'); INSERT INTO t2 VALUES (null, 5); INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'That was a test'); INSERT INTO t2 VALUES (null, 20); INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test'); } do_test fts2e-3.1 { execsql { SELECT rowid FROM t1 WHERE t1 MATCH 'this' ORDER BY rowid; } } {1 3} do_test fts2e-3.2 { execsql { SELECT t1.rowid, weight FROM t1, t2 WHERE t1 MATCH 'this' AND t1.rowid = t2.id ORDER BY weight; } } {1 10 3 20} finish_test