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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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