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1 # 2010 November 02 | |
2 # | |
3 # The author disclaims copyright to this source code. In place of | |
4 # a legal notice, here is a blessing: | |
5 # | |
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. | |
9 # | |
10 #*********************************************************************** | |
11 # | |
12 | |
13 set testdir [file dirname $argv0] | |
14 source $testdir/tester.tcl | |
15 | |
16 # If SQLITE_ENABLE_FTS3 is not defined, omit this file. | |
17 ifcapable !fts3 { finish_test ; return } | |
18 | |
19 set testprefix fts3offsets | |
20 set sqlite_fts3_enable_parentheses 1 | |
21 | |
22 proc extract {offsets text} { | |
23 set res "" | |
24 | |
25 set off [list] | |
26 foreach {t i s n} $offsets { | |
27 lappend off [list $s $n] | |
28 } | |
29 set off [lsort -integer -index 0 $off] | |
30 | |
31 set iOff 0 | |
32 foreach e $off { | |
33 foreach {s n} $e {} | |
34 append res [string range $text $iOff $s-1] | |
35 append res "(" | |
36 append res [string range $text $s [expr $s+$n-1]] | |
37 append res ")" | |
38 set iOff [expr $s+$n] | |
39 } | |
40 append res [string range $text $iOff end] | |
41 | |
42 set res | |
43 } | |
44 db func extract extract | |
45 | |
46 | |
47 do_execsql_test 1.1.0 { | |
48 CREATE VIRTUAL TABLE xx USING fts3(x); | |
49 INSERT INTO xx VALUES('A x x x B C x x'); | |
50 INSERT INTO xx VALUES('A B C x B x x C'); | |
51 INSERT INTO xx VALUES('A x x B C x x x'); | |
52 } | |
53 do_execsql_test 1.1.1 { | |
54 SELECT oid,extract(offsets(xx), x) FROM xx WHERE xx MATCH 'a OR (b NEAR/1 c)'; | |
55 } { | |
56 1 {(A) x x x (B) (C) x x} | |
57 2 {(A) (B) (C) x (B) x x C} | |
58 3 {(A) x x (B) (C) x x x} | |
59 } | |
60 | |
61 do_execsql_test 1.2 { | |
62 DELETE FROM xx; | |
63 INSERT INTO xx VALUES('A x x x B C x x'); | |
64 INSERT INTO xx VALUES('A x x C x x x C'); | |
65 INSERT INTO xx VALUES('A x x B C x x x'); | |
66 } | |
67 do_execsql_test 1.2.1 { | |
68 SELECT oid,extract(offsets(xx), x) FROM xx WHERE xx MATCH 'a OR (b NEAR/1 c)'; | |
69 } { | |
70 1 {(A) x x x (B) (C) x x} | |
71 2 {(A) x x C x x x C} | |
72 3 {(A) x x (B) (C) x x x} | |
73 } | |
74 | |
75 do_execsql_test 1.3 { | |
76 DELETE FROM xx; | |
77 INSERT INTO xx(rowid, x) VALUES(1, 'A B C'); | |
78 INSERT INTO xx(rowid, x) VALUES(2, 'A x'); | |
79 INSERT INTO xx(rowid, x) VALUES(3, 'A B C'); | |
80 INSERT INTO xx(rowid, x) VALUES(4, 'A B C x x x x x x x B'); | |
81 INSERT INTO xx(rowid, x) VALUES(5, 'A x x x x x x x x x C'); | |
82 INSERT INTO xx(rowid, x) VALUES(6, 'A x x x x x x x x x x x B'); | |
83 INSERT INTO xx(rowid, x) VALUES(7, 'A B C'); | |
84 } | |
85 do_execsql_test 1.3.1 { | |
86 SELECT oid,extract(offsets(xx), x) FROM xx WHERE xx MATCH 'a OR (b NEAR/1 c)'; | |
87 } { | |
88 1 {(A) (B) (C)} | |
89 2 {(A) x} | |
90 3 {(A) (B) (C)} | |
91 4 {(A) (B) (C) x x x x x x x B} | |
92 5 {(A) x x x x x x x x x C} | |
93 6 {(A) x x x x x x x x x x x B} | |
94 7 {(A) (B) (C)} | |
95 } | |
96 | |
97 | |
98 do_execsql_test 1.4 { | |
99 DELETE FROM xx; | |
100 INSERT INTO xx(rowid, x) VALUES(7, 'A B C'); | |
101 INSERT INTO xx(rowid, x) VALUES(6, 'A x'); | |
102 INSERT INTO xx(rowid, x) VALUES(5, 'A B C'); | |
103 INSERT INTO xx(rowid, x) VALUES(4, 'A B C x x x x x x x B'); | |
104 INSERT INTO xx(rowid, x) VALUES(3, 'A x x x x x x x x x C'); | |
105 INSERT INTO xx(rowid, x) VALUES(2, 'A x x x x x x x x x x x B'); | |
106 INSERT INTO xx(rowid, x) VALUES(1, 'A B C'); | |
107 } | |
108 do_execsql_test 1.4.1 { | |
109 SELECT oid,extract(offsets(xx), x) FROM xx WHERE xx MATCH 'a OR (b NEAR/1 c)' | |
110 ORDER BY docid DESC; | |
111 } { | |
112 7 {(A) (B) (C)} | |
113 6 {(A) x} | |
114 5 {(A) (B) (C)} | |
115 4 {(A) (B) (C) x x x x x x x B} | |
116 3 {(A) x x x x x x x x x C} | |
117 2 {(A) x x x x x x x x x x x B} | |
118 1 {(A) (B) (C)} | |
119 } | |
120 | |
121 | |
122 set sqlite_fts3_enable_parentheses 0 | |
123 finish_test | |
124 | |
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