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# 2013-09-30
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#*************************************************************************
# This file implements regression tests for "approximate_match" virtual
# table that is in the "amatch.c" extension.
#
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# If SQLITE_ENABLE_FTS4 is defined, omit this file.
ifcapable !fts3 {
finish_test
return
}
# Create the fts_kjv_genesis procedure which fills and FTS3/4 table with
# the complete text of the Book of Genesis.
#
source $testdir/genesis.tcl
do_test amatch1-1.0 {
db eval {
CREATE VIRTUAL TABLE t1 USING fts4(words); --, tokenize porter);
}
fts_kjv_genesis
db eval {
INSERT INTO t1(t1) VALUES('optimize');
CREATE VIRTUAL TABLE temp.t1aux USING fts4aux(main, t1);
SELECT term FROM t1aux WHERE col=0 ORDER BY 1 LIMIT 5
}
} {a abated abel abelmizraim abidah}
do_test amatch1-1.1 {
db eval {
SELECT term FROM t1aux WHERE term>'b' AND col=0 ORDER BY 1 LIMIT 5
}
} {baalhanan babel back backward bad}
do_test amatch1-1.2 {
db eval {
SELECT term FROM t1aux WHERE term>'b' AND col=0 LIMIT 5
}
} {baalhanan babel back backward bad}
# Load the amatch extension
load_static_extension db amatch
do_execsql_test amatch1-2.0 {
CREATE TABLE costs(iLang, cFrom, cTo, Cost);
INSERT INTO costs VALUES(0, '', '?', 100);
INSERT INTO costs VALUES(0, '?', '', 100);
INSERT INTO costs VALUES(0, '?', '?', 150);
CREATE TABLE vocab(w TEXT UNIQUE);
INSERT OR IGNORE INTO vocab SELECT term FROM t1aux;
CREATE VIRTUAL TABLE t2 USING approximate_match(
vocabulary_table=t1aux,
vocabulary_word=term,
edit_distances=costs
);
CREATE VIRTUAL TABLE t3 USING approximate_match(
vocabulary_table=vocab,
vocabulary_word=w,
edit_distances=costs
);
CREATE VIRTUAL TABLE t4 USING approximate_match(
vocabulary_table=vtemp,
vocabulary_word=w,
edit_distances=costs
);
} {}
puts "Query against fts4aux: [time {
do_execsql_test amatch1-2.1 {
SELECT word, distance FROM t2
WHERE word MATCH 'josxph' AND distance<300;
} {joseph 150}} 1]"
puts "Query against ordinary table: [time {
do_execsql_test amatch1-2.2 {
SELECT word, distance FROM t3
WHERE word MATCH 'josxph' AND distance<300;
} {joseph 150}} 1]"
puts "Temp table initialized from fts4aux: [time {
do_execsql_test amatch1-2.3a {
CREATE TEMP TABLE vtemp(w TEXT UNIQUE);
INSERT OR IGNORE INTO vtemp SELECT term FROM t1aux;
} {}} 1]"
puts "Query against temp table: [time {
do_execsql_test amatch1-2.3b {
SELECT word, distance FROM t4
WHERE word MATCH 'josxph' AND distance<300;
} {joseph 150}} 1]"
do_execsql_test amatch1-2.11 {
SELECT word, distance FROM t2
WHERE word MATCH 'joxxph' AND distance<=300;
} {joseph 300}
do_execsql_test amatch1-2.12 {
SELECT word, distance FROM t3
WHERE word MATCH 'joxxph' AND distance<=300;
} {joseph 300}
do_execsql_test amatch1-2.21 {
SELECT word, distance FROM t2
WHERE word MATCH 'joxxph' AND distance<300;
} {}
do_execsql_test amatch1-2.22 {
SELECT word, distance FROM t3
WHERE word MATCH 'joxxph' AND distance<300;
} {}
finish_test
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