3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
12 # Tests focused on the NEAR operator.
15 source [file join [file dirname [info script]] fts5_common.tcl]
16 set testprefix fts5near
18 # If SQLITE_ENABLE_FTS5 is defined, omit this file.
24 proc do_near_test {tn doc near res} {
25 uplevel [list do_execsql_test $tn "
27 INSERT INTO t1 VALUES('$doc');
28 SELECT count(*) FROM t1 WHERE t1 MATCH '$near';
33 CREATE VIRTUAL TABLE t1 USING fts5(x, tokenize = "ascii tokenchars '.'")
36 do_near_test 1.1 ". . a . . . b . ." { NEAR(a b, 5) } 1
37 do_near_test 1.2 ". . a . . . b . ." { NEAR(a b, 4) } 1
38 do_near_test 1.3 ". . a . . . b . ." { NEAR(a b, 3) } 1
39 do_near_test 1.4 ". . a . . . b . ." { NEAR(a b, 2) } 0
41 do_near_test 1.5 ". . a . . . b . ." { NEAR(b a, 5) } 1
42 do_near_test 1.6 ". . a . . . b . ." { NEAR(b a, 4) } 1
43 do_near_test 1.7 ". . a . . . b . ." { NEAR(b a, 3) } 1
44 do_near_test 1.8 ". . a . . . b . ." { NEAR(b a, 2) } 0
46 do_near_test 1.9 ". a b . . . c . ." { NEAR("a b" c, 3) } 1
47 do_near_test 1.10 ". a b . . . c . ." { NEAR("a b" c, 2) } 0
48 do_near_test 1.11 ". a b . . . c . ." { NEAR(c "a b", 3) } 1
49 do_near_test 1.12 ". a b . . . c . ." { NEAR(c "a b", 2) } 0
51 do_near_test 1.13 ". a b . . . c d ." { NEAR(a+b c+d, 3) } 1
52 do_near_test 1.14 ". a b . . . c d ." { NEAR(a+b c+d, 2) } 0
53 do_near_test 1.15 ". a b . . . c d ." { NEAR(c+d a+b, 3) } 1
54 do_near_test 1.16 ". a b . . . c d ." { NEAR(c+d a+b, 2) } 0
56 do_near_test 1.17 ". a b . . . c d ." { NEAR(a b c d, 5) } 1
57 do_near_test 1.18 ". a b . . . c d ." { NEAR(a b c d, 4) } 0
58 do_near_test 1.19 ". a b . . . c d ." { NEAR(a+b c d, 4) } 1
60 do_near_test 1.20 "a b c d e f g h i" { NEAR(b+c a+b+c+d i, 5) } 1
61 do_near_test 1.21 "a b c d e f g h i" { NEAR(b+c a+b+c+d i, 4) } 0
63 do_near_test 1.22 "a b c d e f g h i" { NEAR(a+b+c+d i b+c, 5) } 1
64 do_near_test 1.23 "a b c d e f g h i" { NEAR(a+b+c+d i b+c, 4) } 0
66 do_near_test 1.24 "a b c d e f g h i" { NEAR(i a+b+c+d b+c, 5) } 1
67 do_near_test 1.25 "a b c d e f g h i" { NEAR(i a+b+c+d b+c, 4) } 0