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# 2012 August 24
#
# 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 SQLite library. The
# focus of this file is testing that an index may be used as a covering
# index when there are OR expressions in the WHERE clause.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix whereD
do_execsql_test 1.1 {
CREATE TABLE t(i,j,k,m,n);
CREATE INDEX ijk ON t(i,j,k);
CREATE INDEX jmn ON t(j,m,n);
INSERT INTO t VALUES(3, 3, 'three', 3, 'tres');
INSERT INTO t VALUES(2, 2, 'two', 2, 'dos');
INSERT INTO t VALUES(1, 1, 'one', 1, 'uno');
INSERT INTO t VALUES(4, 4, 'four', 4, 'cuatro');
}
do_execsql_test 1.2 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
} {one two}
do_execsql_test 1.3 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (+i=2 AND j=2);
} {one two}
do_execsql_test 1.4 {
SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
} {uno dos}
do_execsql_test 1.5 {
SELECT k, n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
} {one uno two dos}
do_execsql_test 1.6 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
} {one two three}
do_execsql_test 1.7 {
SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
} {uno dos tres}
do_execsql_test 1.8 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2);
} {one two}
do_execsql_test 1.9 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (j=3 AND m=3);
} {one two three}
do_execsql_test 1.10 {
SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (j=3 AND m=3);
} {uno dos tres}
do_execsql_test 1.11 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2) OR (i=3 AND j=3);
} {one two three}
do_execsql_test 1.12 {
SELECT n FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2) OR (i=3 AND j=3);
} {uno dos tres}
do_execsql_test 1.13 {
SELECT k FROM t WHERE (j=1 AND m=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
} {one two three}
do_execsql_test 1.14 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND i=2) OR (i=3 AND j=3);
} {one two three}
do_execsql_test 1.15 {
SELECT k FROM t WHERE (i=1 AND j=2) OR (i=2 AND j=1) OR (i=3 AND j=4);
} {}
do_execsql_test 1.16 {
SELECT k FROM t WHERE (i=1 AND (j=1 or j=2)) OR (i=3 AND j=3);
} {one three}
do_execsql_test 2.0 {
CREATE TABLE t1(a,b,c,d);
CREATE INDEX t1b ON t1(b);
CREATE INDEX t1c ON t1(c);
CREATE INDEX t1d ON t1(d);
CREATE TABLE t2(x,y);
CREATE INDEX t2y ON t2(y);
INSERT INTO t1 VALUES(1,2,3,4);
INSERT INTO t1 VALUES(5,6,7,8);
INSERT INTO t2 VALUES(1,2);
INSERT INTO t2 VALUES(2,7);
INSERT INTO t2 VALUES(3,4);
} {}
do_execsql_test 2.1 {
SELECT a, x FROM t1 JOIN t2 ON +y=d OR x=7 ORDER BY a, x;
} {1 3}
do_execsql_test 2.2 {
SELECT a, x FROM t1 JOIN t2 ON y=d OR x=7 ORDER BY a, x;
} {1 3}
# Similar to [do_execsql_test], except that two elements are appended
# to the result - the string "search" and the number of times test variable
# sqlite3_search_count is incremented by running the supplied SQL. e.g.
#
# do_searchcount_test 1.0 { SELECT * FROM t1 } {x y search 2}
#
proc do_searchcount_test {tn sql res} {
uplevel [subst -nocommands {
do_test $tn {
set ::sqlite_search_count 0
concat [db eval {$sql}] search [set ::sqlite_search_count]
} [list $res]
}]
}
do_execsql_test 3.0 {
CREATE TABLE t3(a, b, c);
CREATE UNIQUE INDEX i3 ON t3(a, b);
INSERT INTO t3 VALUES(1, 'one', 'i');
INSERT INTO t3 VALUES(3, 'three', 'iii');
INSERT INTO t3 VALUES(6, 'six', 'vi');
INSERT INTO t3 VALUES(2, 'two', 'ii');
INSERT INTO t3 VALUES(4, 'four', 'iv');
INSERT INTO t3 VALUES(5, 'five', 'v');
CREATE TABLE t4(x PRIMARY KEY, y);
INSERT INTO t4 VALUES('a', 'one');
INSERT INTO t4 VALUES('b', 'two');
}
do_searchcount_test 3.1 {
SELECT a, b FROM t3 WHERE (a=1 AND b='one') OR (a=2 AND b='two')
} {1 one 2 two search 2}
do_searchcount_test 3.2 {
SELECT a, c FROM t3 WHERE (a=1 AND b='one') OR (a=2 AND b='two')
} {1 i 2 ii search 4}
do_searchcount_test 3.4.1 {
SELECT y FROM t4 WHERE x='a'
} {one search 2}
do_searchcount_test 3.4.2 {
SELECT a, b FROM t3 WHERE
(a=1 AND b=(SELECT y FROM t4 WHERE x='a'))
OR (a=2 AND b='two')
} {1 one 2 two search 4}
do_searchcount_test 3.4.3 {
SELECT a, b FROM t3 WHERE
(a=2 AND b='two')
OR (a=1 AND b=(SELECT y FROM t4 WHERE x='a'))
} {2 two 1 one search 4}
do_searchcount_test 3.4.4 {
SELECT a, b FROM t3 WHERE
(a=2 AND b=(SELECT y FROM t4 WHERE x='b'))
OR (a=1 AND b=(SELECT y FROM t4 WHERE x='a'))
} {2 two 1 one search 6}
do_searchcount_test 3.5.1 {
SELECT a, b FROM t3 WHERE (a=1 AND b='one') OR rowid=4
} {1 one 2 two search 2}
do_searchcount_test 3.5.2 {
SELECT a, c FROM t3 WHERE (a=1 AND b='one') OR rowid=4
} {1 i 2 ii search 2}
# Ticket [d02e1406a58ea02d] (2012-10-04)
# LEFT JOIN with an OR in the ON clause causes segfault
#
do_test 4.1 {
db eval {
CREATE TABLE t41(a,b,c);
INSERT INTO t41 VALUES(1,2,3), (4,5,6);
CREATE TABLE t42(d,e,f);
INSERT INTO t42 VALUES(3,6,9), (4,8,12);
SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.e=x.b);
}
} {1 2 3 3 6 9 4 5 6 {} {} {}}
do_test 4.2 {
db eval {
CREATE INDEX t42d ON t42(d);
CREATE INDEX t42e ON t42(e);
SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.e=x.b);
}
} {1 2 3 3 6 9 4 5 6 {} {} {}}
do_test 4.3 {
db eval {
SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.d=x.b);
}
} {1 2 3 3 6 9 4 5 6 {} {} {}}
finish_test
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