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# 2014 Dec 20
#
# 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 focuses on testing queries that use the "rank" column.
#
source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5rank
# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
finish_test
return
}
#-------------------------------------------------------------------------
# "ORDER BY rank" + highlight() + large poslists.
#
do_execsql_test 1.0 {
CREATE VIRTUAL TABLE xyz USING fts5(z);
}
do_test 1.1 {
set doc [string trim [string repeat "x y " 500]]
execsql { INSERT INTO xyz VALUES($doc) }
} {}
do_execsql_test 1.2 {
SELECT highlight(xyz, 0, '[', ']') FROM xyz WHERE xyz MATCH 'x' ORDER BY rank
} [list [string map {x [x]} $doc]]
do_execsql_test 1.3 {
SELECT highlight(xyz, 0, '[', ']') FROM xyz
WHERE xyz MATCH 'x AND y' ORDER BY rank
} [list [string map {x [x] y [y]} $doc]]
#-------------------------------------------------------------------------
# Check that the 'rank' option really is persistent.
#
do_execsql_test 2.0 {
CREATE VIRTUAL TABLE tt USING fts5(a);
INSERT INTO tt VALUES('a x x x x');
INSERT INTO tt VALUES('x x a a a');
INSERT INTO tt VALUES('x a a x x');
}
proc firstinst {cmd} {
foreach {p c o} [$cmd xInst 0] {}
return $o
}
sqlite3_fts5_create_function db firstinst firstinst
do_execsql_test 2.1 {
SELECT rowid FROM tt('a') ORDER BY rank;
} {2 3 1}
do_execsql_test 2.2 {
SELECT rowid FROM tt('a', 'firstinst()') ORDER BY rank;
} {1 3 2}
do_execsql_test 2.3 {
INSERT INTO tt(tt, rank) VALUES('rank', 'firstinst()');
SELECT rowid FROM tt('a') ORDER BY rank;
} {1 3 2}
do_test 2.4 {
sqlite3 db2 test.db
catchsql { SELECT rowid FROM tt('a') ORDER BY rank; } db2
} {1 {no such function: firstinst}}
do_test 2.5 {
db2 close
sqlite3 db2 test.db
sqlite3_fts5_create_function db2 firstinst firstinst
execsql { SELECT rowid FROM tt('a') ORDER BY rank; } db2
} {1 3 2}
do_test 2.6 {
execsql { SELECT rowid FROM tt('a') ORDER BY rank; } db2
} {1 3 2}
do_test 2.7 {
execsql { SELECT rowid FROM tt('a') ORDER BY rank; } db
} {1 3 2}
db2 close
#--------------------------------------------------------------------------
# At one point there was a problem with queries such as:
#
# ... MATCH 'x OR y' ORDER BY rank;
#
# if there were zero occurrences of token 'y' in the dataset. The
# following tests verify that that problem has been addressed.
#
foreach_detail_mode $::testprefix {
do_execsql_test 3.1.0 {
CREATE VIRTUAL TABLE y1 USING fts5(z, detail=%DETAIL%);
INSERT INTO y1 VALUES('test xyz');
INSERT INTO y1 VALUES('test test xyz test');
INSERT INTO y1 VALUES('test test xyz');
}
do_execsql_test 3.1.1 {
SELECT rowid FROM y1('test OR tset');
} {1 2 3}
do_execsql_test 3.1.2 {
SELECT rowid FROM y1('test OR tset') ORDER BY bm25(y1)
} {2 3 1}
do_execsql_test 3.1.3 {
SELECT rowid FROM y1('test OR tset') ORDER BY +rank
} {2 3 1}
do_execsql_test 3.1.4 {
SELECT rowid FROM y1('test OR tset') ORDER BY rank
} {2 3 1}
do_execsql_test 3.1.5 {
SELECT rowid FROM y1('test OR xyz') ORDER BY rank
} {3 2 1}
do_execsql_test 3.2.1 {
CREATE VIRTUAL TABLE z1 USING fts5(a, detail=%DETAIL%);
INSERT INTO z1 VALUES('wrinkle in time');
SELECT * FROM z1 WHERE z1 MATCH 'wrinkle in time OR a wrinkle in time';
} {{wrinkle in time}}
}
do_execsql_test 4.1 {
DROP TABLE IF EXISTS VTest;
CREATE virtual TABLE VTest USING FTS5(
Title, AUthor, tokenize ='porter unicode61 remove_diacritics 1',
columnsize='1', detail=full
);
INSERT INTO VTest (Title, Author) VALUES ('wrinkle in time', 'Bill Smith');
SELECT * FROM VTest WHERE
VTest MATCH 'wrinkle in time OR a wrinkle in time' ORDER BY rank;
} {{wrinkle in time} {Bill Smith}}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 5.0 {
CREATE VIRTUAL TABLE ttt USING fts5(a);
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100
)
INSERT INTO ttt SELECT 'word ' || i FROM s;
}
do_execsql_test 5.1 {
SELECT rowid FROM ttt('word') WHERE rowid BETWEEN 30 AND 40 ORDER BY rank;
} {30 31 32 33 34 35 36 37 38 39 40}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 6.0 {
CREATE VIRTUAL TABLE "My.Table" USING fts5(Text);
INSERT INTO "My.Table" VALUES ('hello this is a test');
INSERT INTO "My.Table" VALUES ('of trying to order by');
INSERT INTO "My.Table" VALUES ('rank on an fts5 table');
INSERT INTO "My.Table" VALUES ('that have periods in');
INSERT INTO "My.Table" VALUES ('the table names.');
INSERT INTO "My.Table" VALUES ('table table table');
}
do_execsql_test 6.1 {
SELECT * FROM "My.Table" WHERE Text MATCH 'table' ORDER BY rank;
} {
{table table table} {the table names.} {rank on an fts5 table}
}
finish_test
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