sqlite/test/index6.test
drh b3f0276b9e Fix test cases so that they work with the new EXPLAIN QUERY PLAN output
format.  Only some of the cases have been fixed.  This is an incremental
check-in.

FossilOrigin-Name: 5f0e803e33aa557865d5fc830d9202d628de9a94c9757058ca48f1a560702cd3
2018-05-02 18:00:17 +00:00

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# 2013-07-31
#
# 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.
#
#***********************************************************************
#
# Test cases for partial indices
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !vtab {
finish_test
return
}
load_static_extension db wholenumber;
do_test index6-1.1 {
# Able to parse and manage partial indices
execsql {
CREATE TABLE t1(a,b,c);
CREATE INDEX t1a ON t1(a) WHERE a IS NOT NULL;
CREATE INDEX t1b ON t1(b) WHERE b>10;
CREATE VIRTUAL TABLE nums USING wholenumber;
INSERT INTO t1(a,b,c)
SELECT CASE WHEN value%3!=0 THEN value END, value, value
FROM nums WHERE value<=20;
SELECT count(a), count(b) FROM t1;
PRAGMA integrity_check;
}
} {14 20 ok}
# Make sure the count(*) optimization works correctly with
# partial indices. Ticket [a5c8ed66cae16243be6] 2013-10-03.
#
do_execsql_test index6-1.1.1 {
SELECT count(*) FROM t1;
} {20}
# Error conditions during parsing...
#
do_test index6-1.2 {
catchsql {
CREATE INDEX bad1 ON t1(a,b) WHERE x IS NOT NULL;
}
} {1 {no such column: x}}
do_test index6-1.3 {
catchsql {
CREATE INDEX bad1 ON t1(a,b) WHERE EXISTS(SELECT * FROM t1);
}
} {1 {subqueries prohibited in partial index WHERE clauses}}
do_test index6-1.4 {
catchsql {
CREATE INDEX bad1 ON t1(a,b) WHERE a!=?1;
}
} {1 {parameters prohibited in partial index WHERE clauses}}
do_test index6-1.5 {
catchsql {
CREATE INDEX bad1 ON t1(a,b) WHERE a!=random();
}
} {1 {non-deterministic functions prohibited in partial index WHERE clauses}}
do_test index6-1.6 {
catchsql {
CREATE INDEX bad1 ON t1(a,b) WHERE a NOT LIKE 'abc%';
}
} {0 {}}
do_execsql_test index6-1.7 {
DROP INDEX IF EXISTS bad1;
}
do_test index6-1.10 {
execsql {
ANALYZE;
SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
PRAGMA integrity_check;
}
} {{} 20 t1a {14 1} t1b {10 1} ok}
# STAT1 shows the partial indices have a reduced number of
# rows.
#
do_test index6-1.11 {
execsql {
UPDATE t1 SET a=b;
ANALYZE;
SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
PRAGMA integrity_check;
}
} {{} 20 t1a {20 1} t1b {10 1} ok}
do_test index6-1.11 {
execsql {
UPDATE t1 SET a=NULL WHERE b%3!=0;
UPDATE t1 SET b=b+100;
ANALYZE;
SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
PRAGMA integrity_check;
}
} {{} 20 t1a {6 1} t1b {20 1} ok}
do_test index6-1.12 {
execsql {
UPDATE t1 SET a=CASE WHEN b%3!=0 THEN b END;
UPDATE t1 SET b=b-100;
ANALYZE;
SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
PRAGMA integrity_check;
}
} {{} 20 t1a {13 1} t1b {10 1} ok}
do_test index6-1.13 {
execsql {
DELETE FROM t1 WHERE b BETWEEN 8 AND 12;
ANALYZE;
SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
PRAGMA integrity_check;
}
} {{} 15 t1a {10 1} t1b {8 1} ok}
do_test index6-1.14 {
execsql {
REINDEX;
ANALYZE;
SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
PRAGMA integrity_check;
}
} {{} 15 t1a {10 1} t1b {8 1} ok}
do_test index6-1.15 {
execsql {
CREATE INDEX t1c ON t1(c);
ANALYZE;
SELECT idx, stat FROM sqlite_stat1 ORDER BY idx;
PRAGMA integrity_check;
}
} {t1a {10 1} t1b {8 1} t1c {15 1} ok}
# Queries use partial indices as appropriate times.
#
do_test index6-2.1 {
execsql {
CREATE TABLE t2(a,b);
INSERT INTO t2(a,b) SELECT value, value FROM nums WHERE value<1000;
UPDATE t2 SET a=NULL WHERE b%2==0;
CREATE INDEX t2a1 ON t2(a) WHERE a IS NOT NULL;
SELECT count(*) FROM t2 WHERE a IS NOT NULL;
}
} {500}
do_test index6-2.2 {
execsql {
EXPLAIN QUERY PLAN
SELECT * FROM t2 WHERE a=5;
}
} {/.* TABLE t2 USING INDEX t2a1 .*/}
ifcapable stat4||stat3 {
execsql ANALYZE
do_test index6-2.3stat4 {
execsql {
EXPLAIN QUERY PLAN
SELECT * FROM t2 WHERE a IS NOT NULL;
}
} {/.* TABLE t2 USING INDEX t2a1 .*/}
} else {
do_test index6-2.3stat4 {
execsql {
EXPLAIN QUERY PLAN
SELECT * FROM t2 WHERE a IS NOT NULL AND a>0;
}
} {/.* TABLE t2 USING INDEX t2a1 .*/}
}
do_test index6-2.4 {
execsql {
EXPLAIN QUERY PLAN
SELECT * FROM t2 WHERE a IS NULL;
}
} {~/.*INDEX t2a1.*/}
do_execsql_test index6-2.101 {
DROP INDEX t2a1;
UPDATE t2 SET a=b, b=b+10000;
SELECT b FROM t2 WHERE a=15;
} {10015}
do_execsql_test index6-2.102 {
CREATE INDEX t2a2 ON t2(a) WHERE a<100 OR a>200;
SELECT b FROM t2 WHERE a=15;
PRAGMA integrity_check;
} {10015 ok}
do_execsql_test index6-2.102eqp {
EXPLAIN QUERY PLAN
SELECT b FROM t2 WHERE a=15;
} {~/.*INDEX t2a2.*/}
do_execsql_test index6-2.103 {
SELECT b FROM t2 WHERE a=15 AND a<100;
} {10015}
do_execsql_test index6-2.103eqp {
EXPLAIN QUERY PLAN
SELECT b FROM t2 WHERE a=15 AND a<100;
} {/.*INDEX t2a2.*/}
do_execsql_test index6-2.104 {
SELECT b FROM t2 WHERE a=515 AND a>200;
} {10515}
do_execsql_test index6-2.104eqp {
EXPLAIN QUERY PLAN
SELECT b FROM t2 WHERE a=515 AND a>200;
} {/.*INDEX t2a2.*/}
# Partial UNIQUE indices
#
do_execsql_test index6-3.1 {
CREATE TABLE t3(a,b);
INSERT INTO t3 SELECT value, value FROM nums WHERE value<200;
UPDATE t3 SET a=999 WHERE b%5!=0;
CREATE UNIQUE INDEX t3a ON t3(a) WHERE a<>999;
} {}
do_test index6-3.2 {
# unable to insert a duplicate row a-value that is not 999.
catchsql {
INSERT INTO t3(a,b) VALUES(150, 'test1');
}
} {1 {UNIQUE constraint failed: t3.a}}
do_test index6-3.3 {
# can insert multiple rows with a==999 because such rows are not
# part of the unique index.
catchsql {
INSERT INTO t3(a,b) VALUES(999, 'test1'), (999, 'test2');
}
} {0 {}}
do_execsql_test index6-3.4 {
SELECT count(*) FROM t3 WHERE a=999;
} {162}
integrity_check index6-3.5
do_execsql_test index6-4.0 {
VACUUM;
PRAGMA integrity_check;
} {ok}
# Silently ignore database name qualifiers in partial indices.
#
do_execsql_test index6-5.0 {
CREATE INDEX t3b ON t3(b) WHERE xyzzy.t3.b BETWEEN 5 AND 10;
/* ^^^^^-- ignored */
ANALYZE;
SELECT count(*) FROM t3 WHERE t3.b BETWEEN 5 AND 10;
SELECT stat+0 FROM sqlite_stat1 WHERE idx='t3b';
} {6 6}
# Test case for ticket [2ea3e9fe6379fc3f6ce7e090ce483c1a3a80d6c9] from
# 2014-04-13: Partial index causes assertion fault on UPDATE OR REPLACE.
#
do_execsql_test index6-6.0 {
CREATE TABLE t6(a,b);
CREATE UNIQUE INDEX t6ab ON t1(a,b);
CREATE INDEX t6b ON t6(b) WHERE b=1;
INSERT INTO t6(a,b) VALUES(123,456);
SELECT * FROM t6;
} {123 456}
do_execsql_test index6-6.1 {
UPDATE OR REPLACE t6 SET b=789;
SELECT * FROM t6;
} {123 789}
do_execsql_test index6-6.2 {
PRAGMA integrity_check;
} {ok}
# Test case for ticket [2326c258d02ead33d69faa63de8f4686b9b1b9d9] on
# 2015-02-24. Any use of a partial index qualifying constraint inside
# the ON clause of a LEFT JOIN was causing incorrect results for all
# versions of SQLite 3.8.0 through 3.8.8.
#
do_execsql_test index6-7.0 {
CREATE TABLE t7a(x);
CREATE TABLE t7b(y);
INSERT INTO t7a(x) VALUES(1);
CREATE INDEX t7ax ON t7a(x) WHERE x=99;
PRAGMA automatic_index=OFF;
SELECT * FROM t7a LEFT JOIN t7b ON (x=99) ORDER BY x;
} {1 {}}
do_execsql_test index6-7.1 {
INSERT INTO t7b(y) VALUES(2);
SELECT * FROM t7a JOIN t7b ON (x=99) ORDER BY x;
} {}
do_execsql_test index6-7.2 {
INSERT INTO t7a(x) VALUES(99);
SELECT * FROM t7a LEFT JOIN t7b ON (x=99) ORDER BY x;
} {1 {} 99 2}
do_execsql_test index6-7.3 {
SELECT * FROM t7a JOIN t7b ON (x=99) ORDER BY x;
} {99 2}
do_execsql_test index6-7.4 {
EXPLAIN QUERY PLAN
SELECT * FROM t7a JOIN t7b ON (x=99) ORDER BY x;
} {/USING COVERING INDEX t7ax/}
do_execsql_test index6-8.0 {
CREATE TABLE t8a(a,b);
CREATE TABLE t8b(x,y);
CREATE INDEX i8c ON t8b(y) WHERE x = 'value';
INSERT INTO t8a VALUES(1, 'one');
INSERT INTO t8a VALUES(2, 'two');
INSERT INTO t8a VALUES(3, 'three');
INSERT INTO t8b VALUES('value', 1);
INSERT INTO t8b VALUES('dummy', 2);
INSERT INTO t8b VALUES('value', 3);
INSERT INTO t8b VALUES('dummy', 4);
} {}
do_eqp_test index6-8.1 {
SELECT * FROM t8a LEFT JOIN t8b ON (x = 'value' AND y = a)
} {
QUERY PLAN
|--SCAN TABLE t8a
`--SEARCH TABLE t8b USING INDEX i8c (y=?)
}
do_execsql_test index6-8.2 {
SELECT * FROM t8a LEFT JOIN t8b ON (x = 'value' AND y = a)
} {
1 one value 1
2 two {} {}
3 three value 3
}
# 2015-06-11. Assertion fault found by AFL
#
do_execsql_test index6-9.1 {
CREATE TABLE t9(a int, b int, c int);
CREATE INDEX t9ca ON t9(c,a) WHERE a in (10,12,20);
INSERT INTO t9 VALUES(1,1,9),(10,2,35),(11,15,82),(20,19,5),(NULL,7,3);
UPDATE t9 SET b=c WHERE a in (10,12,20);
SELECT a,b,c,'|' FROM t9 ORDER BY a;
} {{} 7 3 | 1 1 9 | 10 35 35 | 11 15 82 | 20 5 5 |}
do_execsql_test index6-9.2 {
DROP TABLE t9;
CREATE TABLE t9(a int, b int, c int, PRIMARY KEY(a)) WITHOUT ROWID;
CREATE INDEX t9ca ON t9(c,a) WHERE a in (10,12,20);
INSERT INTO t9 VALUES(1,1,9),(10,2,35),(11,15,82),(20,19,5);
UPDATE t9 SET b=c WHERE a in (10,12,20);
SELECT a,b,c,'|' FROM t9 ORDER BY a;
} {1 1 9 | 10 35 35 | 11 15 82 | 20 5 5 |}
# AND-connected terms in the WHERE clause of a partial index
#
do_execsql_test index6-10.1 {
CREATE TABLE t10(a,b,c,d,e INTEGER PRIMARY KEY);
INSERT INTO t10 VALUES
(1,2,3,4,5),
(2,3,4,5,6),
(3,4,5,6,7),
(1,2,3,8,9);
CREATE INDEX t10x ON t10(d) WHERE a=1 AND b=2 AND c=3;
SELECT e FROM t10 WHERE a=1 AND b=2 AND c=3 ORDER BY d;
} {5 9}
do_execsql_test index6-10.1eqp {
EXPLAIN QUERY PLAN
SELECT e FROM t10 WHERE a=1 AND b=2 AND c=3 ORDER BY d;
} {/USING INDEX t10x/}
do_execsql_test index6-10.2 {
SELECT e FROM t10 WHERE c=3 AND 2=b AND a=1 ORDER BY d DESC;
} {9 5}
do_execsql_test index6-10.2eqp {
EXPLAIN QUERY PLAN
SELECT e FROM t10 WHERE c=3 AND 2=b AND a=1 ORDER BY d DESC;
} {/USING INDEX t10x/}
do_execsql_test index6-10.3 {
SELECT e FROM t10 WHERE a=1 AND b=2 ORDER BY d DESC;
} {9 5}
do_execsql_test index6-10.3eqp {
EXPLAIN QUERY PLAN
SELECT e FROM t10 WHERE a=1 AND b=2 ORDER BY d DESC;
} {~/USING INDEX t10x/}
# A partial index will be used for a full table scan, where possible
do_execsql_test index6-11.1 {
CREATE TABLE t11(a,b,c);
CREATE INDEX t11x ON t11(a) WHERE b<>99;
EXPLAIN QUERY PLAN SELECT a FROM t11 WHERE b<>99;
} {/USING INDEX t11x/}
do_execsql_test index6-11.2 {
EXPLAIN QUERY PLAN SELECT a FROM t11 WHERE b<>99 AND c<>98;
} {/USING INDEX t11x/}
finish_test