3 # The author disclaims copyright to this source code.
5 #*************************************************************************
6 # This file implements regression tests for SQLite library. The focus
7 # of this script is testing handling of edge cases for various doclist
8 # merging functions in the FTS2 module query logic.
10 # $Id: fts2g.test,v 1.3 2007/11/16 00:23:08 shess Exp $
13 set testdir [file dirname $argv0]
14 source $testdir/tester.tcl
16 # If SQLITE_ENABLE_FTS2 is defined, omit this file.
23 CREATE VIRTUAL TABLE t1 USING fts2(content);
24 INSERT INTO t1 (rowid, content) VALUES(1, 'this is a test');
25 INSERT INTO t1 (rowid, content) VALUES(2, 'also a test');
28 # No hits at all. Returns empty doclists from termSelect().
30 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something'}
33 # Empty left in docListExceptMerge().
35 execsql {SELECT rowid FROM t1 WHERE t1 MATCH '-this something'}
38 # Empty right in docListExceptMerge().
40 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this -something'}
43 # Empty left in docListPhraseMerge().
45 execsql {SELECT rowid FROM t1 WHERE t1 MATCH '"this something"'}
48 # Empty right in docListPhraseMerge().
50 execsql {SELECT rowid FROM t1 WHERE t1 MATCH '"something is"'}
53 # Empty left in docListOrMerge().
55 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something OR this'}
58 # Empty right in docListOrMerge().
60 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this OR something'}
63 # Empty left in docListAndMerge().
65 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something this'}
68 # Empty right in docListAndMerge().
70 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this something'}
73 # No support for all-except queries.
75 catchsql {SELECT rowid FROM t1 WHERE t1 MATCH '-this -something'}
76 } {1 {SQL logic error or missing database}}
78 # Test that docListOrMerge() correctly handles reaching the end of one
79 # doclist before it reaches the end of the other.
81 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this OR also'}
84 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'also OR this'}
87 # Empty left and right in docListOrMerge(). Each term matches neither
88 # row, and when combined there was an assertion failure.
90 execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something OR nothing'}