223 lines
6.5 KiB
Plaintext
223 lines
6.5 KiB
Plaintext
# 2012 August 24
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing that an index may be used as a covering
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# index when there are OR expressions in the WHERE clause.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix whereD
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do_execsql_test 1.1 {
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CREATE TABLE t(i,j,k,m,n);
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CREATE INDEX ijk ON t(i,j,k);
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CREATE INDEX jmn ON t(j,m,n);
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INSERT INTO t VALUES(3, 3, 'three', 3, 'tres');
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INSERT INTO t VALUES(2, 2, 'two', 2, 'dos');
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INSERT INTO t VALUES(1, 1, 'one', 1, 'uno');
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INSERT INTO t VALUES(4, 4, 'four', 4, 'cuatro');
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}
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do_execsql_test 1.2 {
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SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
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} {one two}
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do_execsql_test 1.3 {
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SELECT k FROM t WHERE (i=1 AND j=1) OR (+i=2 AND j=2);
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} {one two}
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do_execsql_test 1.4 {
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SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
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} {uno dos}
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do_execsql_test 1.5 {
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SELECT k, n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
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} {one uno two dos}
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do_execsql_test 1.6 {
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SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
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} {one two three}
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do_execsql_test 1.7 {
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SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
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} {uno dos tres}
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do_execsql_test 1.8 {
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SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2);
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} {one two}
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do_execsql_test 1.9 {
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SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (j=3 AND m=3);
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} {one two three}
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do_execsql_test 1.10 {
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SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (j=3 AND m=3);
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} {uno dos tres}
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do_execsql_test 1.11 {
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SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2) OR (i=3 AND j=3);
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} {one two three}
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do_execsql_test 1.12 {
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SELECT n FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2) OR (i=3 AND j=3);
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} {uno dos tres}
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do_execsql_test 1.13 {
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SELECT k FROM t WHERE (j=1 AND m=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
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} {one two three}
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do_execsql_test 1.14 {
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SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND i=2) OR (i=3 AND j=3);
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} {one two three}
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do_execsql_test 1.15 {
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SELECT k FROM t WHERE (i=1 AND j=2) OR (i=2 AND j=1) OR (i=3 AND j=4);
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} {}
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do_execsql_test 1.16 {
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SELECT k FROM t WHERE (i=1 AND (j=1 or j=2)) OR (i=3 AND j=3);
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} {one three}
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do_execsql_test 2.0 {
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CREATE TABLE t1(a,b,c,d);
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CREATE INDEX t1b ON t1(b);
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CREATE INDEX t1c ON t1(c);
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CREATE INDEX t1d ON t1(d);
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CREATE TABLE t2(x,y);
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CREATE INDEX t2y ON t2(y);
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INSERT INTO t1 VALUES(1,2,3,4);
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INSERT INTO t1 VALUES(5,6,7,8);
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INSERT INTO t2 VALUES(1,2);
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INSERT INTO t2 VALUES(2,7);
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INSERT INTO t2 VALUES(3,4);
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} {}
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do_execsql_test 2.1 {
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SELECT a, x FROM t1 JOIN t2 ON +y=d OR x=7 ORDER BY a, x;
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} {1 3}
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do_execsql_test 2.2 {
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SELECT a, x FROM t1 JOIN t2 ON y=d OR x=7 ORDER BY a, x;
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} {1 3}
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# Similar to [do_execsql_test], except that two elements are appended
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# to the result - the string "search" and the number of times test variable
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# sqlite3_search_count is incremented by running the supplied SQL. e.g.
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#
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# do_searchcount_test 1.0 { SELECT * FROM t1 } {x y search 2}
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#
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proc do_searchcount_test {tn sql res} {
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uplevel [subst -nocommands {
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do_test $tn {
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set ::sqlite_search_count 0
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concat [db eval {$sql}] search [set ::sqlite_search_count]
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} [list $res]
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}]
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}
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do_execsql_test 3.0 {
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CREATE TABLE t3(a, b, c);
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CREATE UNIQUE INDEX i3 ON t3(a, b);
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INSERT INTO t3 VALUES(1, 'one', 'i');
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INSERT INTO t3 VALUES(3, 'three', 'iii');
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INSERT INTO t3 VALUES(6, 'six', 'vi');
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INSERT INTO t3 VALUES(2, 'two', 'ii');
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INSERT INTO t3 VALUES(4, 'four', 'iv');
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INSERT INTO t3 VALUES(5, 'five', 'v');
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CREATE TABLE t4(x PRIMARY KEY, y);
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INSERT INTO t4 VALUES('a', 'one');
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INSERT INTO t4 VALUES('b', 'two');
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}
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do_searchcount_test 3.1 {
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SELECT a, b FROM t3 WHERE (a=1 AND b='one') OR (a=2 AND b='two')
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} {1 one 2 two search 2}
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do_searchcount_test 3.2 {
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SELECT a, c FROM t3 WHERE (a=1 AND b='one') OR (a=2 AND b='two')
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} {1 i 2 ii search 4}
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do_searchcount_test 3.4.1 {
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SELECT y FROM t4 WHERE x='a'
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} {one search 2}
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do_searchcount_test 3.4.2 {
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SELECT a, b FROM t3 WHERE
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(a=1 AND b=(SELECT y FROM t4 WHERE x='a'))
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OR (a=2 AND b='two')
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} {1 one 2 two search 4}
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do_searchcount_test 3.4.3 {
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SELECT a, b FROM t3 WHERE
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(a=2 AND b='two')
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OR (a=1 AND b=(SELECT y FROM t4 WHERE x='a'))
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} {2 two 1 one search 4}
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do_searchcount_test 3.4.4 {
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SELECT a, b FROM t3 WHERE
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(a=2 AND b=(SELECT y FROM t4 WHERE x='b'))
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OR (a=1 AND b=(SELECT y FROM t4 WHERE x='a'))
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} {2 two 1 one search 6}
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do_searchcount_test 3.5.1 {
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SELECT a, b FROM t3 WHERE (a=1 AND b='one') OR rowid=4
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} {1 one 2 two search 2}
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do_searchcount_test 3.5.2 {
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SELECT a, c FROM t3 WHERE (a=1 AND b='one') OR rowid=4
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} {1 i 2 ii search 2}
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# Ticket [d02e1406a58ea02d] (2012-10-04)
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# LEFT JOIN with an OR in the ON clause causes segfault
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#
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do_test 4.1 {
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db eval {
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CREATE TABLE t41(a,b,c);
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INSERT INTO t41 VALUES(1,2,3), (4,5,6);
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CREATE TABLE t42(d,e,f);
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INSERT INTO t42 VALUES(3,6,9), (4,8,12);
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SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.e=x.b);
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}
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} {1 2 3 3 6 9 4 5 6 {} {} {}}
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do_test 4.2 {
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db eval {
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CREATE INDEX t42d ON t42(d);
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CREATE INDEX t42e ON t42(e);
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SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.e=x.b);
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}
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} {1 2 3 3 6 9 4 5 6 {} {} {}}
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do_test 4.3 {
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db eval {
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SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.d=x.b);
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}
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} {1 2 3 3 6 9 4 5 6 {} {} {}}
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# Ticket [bc1aea7b725f276177]
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# Incorrect result on LEFT JOIN with OR constraints and an ORDER BY clause.
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#
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do_execsql_test 4.4 {
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CREATE TABLE t44(a INTEGER, b INTEGER);
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INSERT INTO t44 VALUES(1,2);
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INSERT INTO t44 VALUES(3,4);
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SELECT *
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FROM t44 AS x
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LEFT JOIN (SELECT a AS c, b AS d FROM t44) AS y ON a=c
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WHERE d=4 OR d IS NULL;
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} {3 4 3 4}
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do_execsql_test 4.5 {
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SELECT *
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FROM t44 AS x
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LEFT JOIN (SELECT a AS c, b AS d FROM t44) AS y ON a=c
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WHERE d=4 OR d IS NULL
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ORDER BY a;
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} {3 4 3 4}
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do_execsql_test 4.6 {
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CREATE TABLE t46(c INTEGER, d INTEGER);
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INSERT INTO t46 SELECT a, b FROM t44;
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SELECT * FROM t44 LEFT JOIN t46 ON a=c
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WHERE d=4 OR d IS NULL;
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} {3 4 3 4}
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do_execsql_test 4.7 {
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SELECT * FROM t44 LEFT JOIN t46 ON a=c
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WHERE d=4 OR d IS NULL
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ORDER BY a;
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} {3 4 3 4}
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finish_test
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