xref: /sqlite-3.40.0/test/amatch1.test (revision 3b6cb3ce) 
1# 2013-09-30
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# This file implements regression tests for "approximate_match" virtual
12# table that is in the "amatch.c" extension.
13#
14#
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18
19# If SQLITE_ENABLE_FTS4 is defined, omit this file.
20ifcapable !fts3 {
21  finish_test
22  return
23}
24
25# Create the fts_kjv_genesis procedure which fills and FTS3/4 table with
26# the complete text of the Book of Genesis.
27#
28source $testdir/genesis.tcl
29
30
31
32do_test amatch1-1.0 {
33  db eval {
34    CREATE VIRTUAL TABLE t1 USING fts4(words); --, tokenize porter);
35  }
36  fts_kjv_genesis
37  db eval {
38    INSERT INTO t1(t1) VALUES('optimize');
39    CREATE VIRTUAL TABLE temp.t1aux USING fts4aux(main, t1);
40    SELECT term FROM t1aux WHERE col=0 ORDER BY 1 LIMIT 5
41  }
42} {a abated abel abelmizraim abidah}
43do_test amatch1-1.1 {
44  db eval {
45    SELECT term FROM t1aux WHERE term>'b' AND col=0 ORDER BY 1 LIMIT 5
46  }
47} {baalhanan babel back backward bad}
48do_test amatch1-1.2 {
49  db eval {
50    SELECT term FROM t1aux WHERE term>'b' AND col=0 LIMIT 5
51  }
52} {baalhanan babel back backward bad}
53
54# Load the amatch extension
55load_static_extension db amatch
56
57do_execsql_test amatch1-2.0 {
58    CREATE TABLE costs(iLang, cFrom, cTo, Cost);
59    INSERT INTO costs VALUES(0, '', '?', 100);
60    INSERT INTO costs VALUES(0, '?', '', 100);
61    INSERT INTO costs VALUES(0, '?', '?', 150);
62    CREATE TABLE vocab(w TEXT UNIQUE);
63    INSERT OR IGNORE INTO vocab SELECT term FROM t1aux;
64    CREATE VIRTUAL TABLE t2 USING approximate_match(
65      vocabulary_table=t1aux,
66      vocabulary_word=term,
67      edit_distances=costs
68    );
69    CREATE VIRTUAL TABLE t3 USING approximate_match(
70      vocabulary_table=vocab,
71      vocabulary_word=w,
72      edit_distances=costs
73    );
74    CREATE VIRTUAL TABLE t4 USING approximate_match(
75        vocabulary_table=vtemp,
76        vocabulary_word=w,
77        edit_distances=costs
78      );
79} {}
80puts "Query against fts4aux: [time {
81  do_execsql_test amatch1-2.1 {
82      SELECT word, distance FROM t2
83       WHERE word MATCH 'josxph' AND distance<300;
84  } {joseph 150}} 1]"
85puts "Query against ordinary table: [time {
86  do_execsql_test amatch1-2.2 {
87      SELECT word, distance FROM t3
88       WHERE word MATCH 'josxph' AND distance<300;
89  } {joseph 150}} 1]"
90puts "Temp table initialized from fts4aux: [time {
91  do_execsql_test amatch1-2.3a {
92      CREATE TEMP TABLE vtemp(w TEXT UNIQUE);
93      INSERT OR IGNORE INTO vtemp SELECT term FROM t1aux;
94  } {}} 1]"
95puts "Query against temp table: [time {
96  do_execsql_test amatch1-2.3b {
97      SELECT word, distance FROM t4
98       WHERE word MATCH 'josxph' AND distance<300;
99  } {joseph 150}} 1]"
100do_execsql_test amatch1-2.11 {
101    SELECT word, distance FROM t2
102     WHERE word MATCH 'joxxph' AND distance<=300;
103} {joseph 300}
104do_execsql_test amatch1-2.12 {
105    SELECT word, distance FROM t3
106     WHERE word MATCH 'joxxph' AND distance<=300;
107} {joseph 300}
108do_execsql_test amatch1-2.21 {
109    SELECT word, distance FROM t2
110     WHERE word MATCH 'joxxph' AND distance<300;
111} {}
112do_execsql_test amatch1-2.22 {
113    SELECT word, distance FROM t3
114     WHERE word MATCH 'joxxph' AND distance<300;
115} {}
116
117finish_test
118