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Diffstat (limited to 'test/whereD.test')
| -rw-r--r-- | test/whereD.test | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/test/whereD.test b/test/whereD.test new file mode 100644 index 0000000..58fe934 --- /dev/null +++ b/test/whereD.test @@ -0,0 +1,189 @@ +# 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 4.2 { + 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 |