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Overview
| Comment: | Additional test cases for OR-optimization with covering indices, including one test case that currently fails. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | multi-or-covering-index |
| Files: | files | file ages | folders |
| SHA1: | d8b7ab37120ac20e60b6a600cd0e5b34 |
| User & Date: | drh 2012-08-24 15:29:03 |
Context
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2012-08-24
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| 17:52 | More test cases for OR-optimization covering indices. check-in: e5c3190c user: drh tags: multi-or-covering-index | |
| 15:29 | Additional test cases for OR-optimization with covering indices, including one test case that currently fails. check-in: d8b7ab37 user: drh tags: multi-or-covering-index | |
| 10:52 | Experimental change to support the covering index optimization for queries with OR terms in the WHERE clause that search a single index more than once. check-in: 1dc8c7c7 user: dan tags: multi-or-covering-index | |
Changes
Changes to test/whereD.test.
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set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix whereD
do_execsql_test 1.1 {
CREATE TABLE t(i,j,k);
CREATE INDEX i ON t(i,j,k);
INSERT INTO t VALUES(3, 3, 'three');
INSERT INTO t VALUES(2, 2, 'two');
INSERT INTO t VALUES(1, 1, 'one');
INSERT INTO t VALUES(4, 4, 'four');
}
do_execsql_test 1.2 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
} {one two}
finish_test
|
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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, 3);
INSERT INTO t VALUES(2, 2, 'two', 2, 2);
INSERT INTO t VALUES(1, 1, 'one', 1, 1);
INSERT INTO t VALUES(4, 4, 'four', 4, 4);
}
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) OR (i=3 AND j=3);
} {one two three}
do_execsql_test 1.4 {
SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2);
} {one two}
do_execsql_test 1.5 {
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 1.6 {
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 1.7 {
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 1.8 {
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 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}
finish_test
|