# 2015-08-31
#
# 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.
#
#***********************************************************************
# This file implements regression tests for SQLite library. The
# focus of this file is testing indexes on expressions.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_execsql_test indexexpr1-100 {
CREATE TABLE t1(a,b,c);
INSERT INTO t1(a,b,c)
/* 123456789 123456789 123456789 123456789 123456789 123456789 */
VALUES('In_the_beginning_was_the_Word',1,1),
('and_the_Word_was_with_God',1,2),
('and_the_Word_was_God',1,3),
('The_same_was_in_the_beginning_with_God',2,1),
('All_things_were_made_by_him',3,1),
('and_without_him_was_not_any_thing_made_that_was_made',3,2);
CREATE INDEX t1a1 ON t1(substr(a,1,12));
} {}
do_execsql_test indexexpr1-110 {
SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
} {1 2 | 1 3 |}
do_execsql_test indexexpr1-110eqp {
EXPLAIN QUERY PLAN
SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
} {/USING INDEX t1a1/}
do_execsql_test indexexpr1-120 {
SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
} {1 2 | 1 3 |}
do_execsql_test indexexpr1-120eqp {
EXPLAIN QUERY PLAN
SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
} {/USING INDEX t1a1/}
do_execsql_test indexexpr1-130 {
CREATE INDEX t1ba ON t1(b,substr(a,2,3),c);
SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
} {2 3}
do_execsql_test indexexpr1-130eqp {
EXPLAIN QUERY PLAN
SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
} {/USING INDEX t1ba/}
do_execsql_test indexexpr1-140 {
SELECT rowid, substr(a,b,3), '|' FROM t1 ORDER BY 2;
} {1 In_ | 2 and | 3 and | 6 d_w | 4 he_ | 5 l_t |}
do_execsql_test indexexpr1-141 {
CREATE INDEX t1abx ON t1(substr(a,b,3));
SELECT rowid FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +rowid;
} {1 2 3}
do_execsql_test indexexpr1-141eqp {
EXPLAIN QUERY PLAN
SELECT rowid FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +rowid;
} {/USING INDEX t1abx/}
do_execsql_test indexexpr1-142 {
SELECT rowid FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +rowid;
} {1 2 3}
do_execsql_test indexexpr1-150 {
SELECT rowid FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
ORDER BY +rowid;
} {2 3 5}
do_execsql_test indexexpr1-150eqp {
EXPLAIN QUERY PLAN
SELECT rowid FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
ORDER BY +rowid;
} {/USING INDEX t1abx/}
do_execsql_test indexexpr1-160 {
ALTER TABLE t1 ADD COLUMN d;
UPDATE t1 SET d=length(a);
CREATE INDEX t1a2 ON t1(SUBSTR(a, 27, 3)) WHERE d>=29;
SELECT rowid, b, c FROM t1
WHERE substr(a,27,3)=='ord' AND d>=29;
} {1 1 1}
do_execsql_test indexexpr1-160eqp {
EXPLAIN QUERY PLAN
SELECT rowid, b, c FROM t1
WHERE substr(a,27,3)=='ord' AND d>=29;
} {/USING INDEX t1a2/}
# ORDER BY using an indexed expression
#
do_execsql_test indexexpr1-170 {
CREATE INDEX t1alen ON t1(length(a));
SELECT length(a) FROM t1 ORDER BY length(a);
} {20 25 27 29 38 52}
do_execsql_test indexexpr1-170eqp {
EXPLAIN QUERY PLAN
SELECT length(a) FROM t1 ORDER BY length(a);
} {/SCAN TABLE t1 USING INDEX t1alen/}
do_execsql_test indexexpr1-171 {
SELECT length(a) FROM t1 ORDER BY length(a) DESC;
} {52 38 29 27 25 20}
do_execsql_test indexexpr1-171eqp {
EXPLAIN QUERY PLAN
SELECT length(a) FROM t1 ORDER BY length(a) DESC;
} {/SCAN TABLE t1 USING INDEX t1alen/}
do_execsql_test indexexpr1-200 {
DROP TABLE t1;
CREATE TABLE t1(id ANY PRIMARY KEY, a,b,c) WITHOUT ROWID;
INSERT INTO t1(id,a,b,c)
VALUES(1,'In_the_beginning_was_the_Word',1,1),
(2,'and_the_Word_was_with_God',1,2),
(3,'and_the_Word_was_God',1,3),
(4,'The_same_was_in_the_beginning_with_God',2,1),
(5,'All_things_were_made_by_him',3,1),
(6,'and_without_him_was_not_any_thing_made_that_was_made',3,2);
CREATE INDEX t1a1 ON t1(substr(a,1,12));
} {}
do_execsql_test indexexpr1-210 {
SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
} {1 2 | 1 3 |}
do_execsql_test indexexpr1-210eqp {
EXPLAIN QUERY PLAN
SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
} {/USING INDEX t1a1/}
do_execsql_test indexexpr1-220 {
SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
} {1 2 | 1 3 |}
do_execsql_test indexexpr1-220eqp {
EXPLAIN QUERY PLAN
SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
} {/USING INDEX t1a1/}
do_execsql_test indexexpr1-230 {
CREATE INDEX t1ba ON t1(b,substr(a,2,3),c);
SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
} {2 3}
do_execsql_test indexexpr1-230eqp {
EXPLAIN QUERY PLAN
SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
} {/USING INDEX t1ba/}
do_execsql_test indexexpr1-240 {
SELECT id, substr(a,b,3), '|' FROM t1 ORDER BY 2;
} {1 In_ | 2 and | 3 and | 6 d_w | 4 he_ | 5 l_t |}
do_execsql_test indexexpr1-241 {
CREATE INDEX t1abx ON t1(substr(a,b,3));
SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id;
} {1 2 3}
do_execsql_test indexexpr1-241eqp {
EXPLAIN QUERY PLAN
SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id;
} {/USING INDEX t1abx/}
do_execsql_test indexexpr1-242 {
SELECT id FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +id;
} {1 2 3}
do_execsql_test indexexpr1-250 {
SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
ORDER BY +id;
} {2 3 5}
do_execsql_test indexexpr1-250eqp {
EXPLAIN QUERY PLAN
SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
ORDER BY +id;
} {/USING INDEX t1abx/}
do_execsql_test indexexpr1-260 {
ALTER TABLE t1 ADD COLUMN d;
UPDATE t1 SET d=length(a);
CREATE INDEX t1a2 ON t1(SUBSTR(a, 27, 3)) WHERE d>=29;
SELECT id, b, c FROM t1
WHERE substr(a,27,3)=='ord' AND d>=29;
} {1 1 1}
do_execsql_test indexexpr1-260eqp {
EXPLAIN QUERY PLAN
SELECT id, b, c FROM t1
WHERE substr(a,27,3)=='ord' AND d>=29;
} {/USING INDEX t1a2/}
do_catchsql_test indexexpr1-300 {
CREATE TABLE t2(a,b,c);
CREATE INDEX t2x1 ON t2(a,b+random());
} {1 {non-deterministic functions prohibited in index expressions}}
do_catchsql_test indexexpr1-301 {
CREATE INDEX t2x1 ON t2(a+julianday('now'));
} {1 {non-deterministic functions prohibited in index expressions}}
do_catchsql_test indexexpr1-310 {
CREATE INDEX t2x2 ON t2(a,b+(SELECT 15));
} {1 {subqueries prohibited in index expressions}}
do_catchsql_test indexexpr1-320 {
CREATE TABLE e1(x,y,UNIQUE(y,substr(x,1,5)));
} {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
do_catchsql_test indexexpr1-330 {
CREATE TABLE e1(x,y,PRIMARY KEY(y,substr(x,1,5)));
} {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
do_catchsql_test indexexpr1-331 {
CREATE TABLE e1(x,y,PRIMARY KEY(y,substr(x,1,5))) WITHOUT ROWID;
} {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
do_catchsql_test indexexpr1-340 {
CREATE TABLE e1(x,y,FOREIGN KEY(substr(y,1,5)) REFERENCES t1);
} {1 {near "(": syntax error}}
do_execsql_test indexexpr1-400 {
CREATE TABLE t3(a,b,c);
WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<30)
INSERT INTO t3(a,b,c)
SELECT x, printf('ab%04xyz',x), random() FROM c;
CREATE UNIQUE INDEX t3abc ON t3(CAST(a AS text), b, substr(c,1,3));
SELECT a FROM t3 WHERE CAST(a AS text)<='10' ORDER BY +a;
PRAGMA integrity_check;
} {1 10 ok}
do_catchsql_test indexexpr1-410 {
INSERT INTO t3 SELECT * FROM t3 WHERE rowid=10;
} {1 {UNIQUE constraint failed: index 't3abc'}}
do_execsql_test indexexpr1-500 {
CREATE TABLE t5(a);
CREATE TABLE cnt(x);
WITH RECURSIVE
c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5)
INSERT INTO cnt(x) SELECT x FROM c;
INSERT INTO t5(a) SELECT printf('abc%03dxyz',x) FROM cnt;
CREATE INDEX t5ax ON t5( substr(a,4,3) );
} {}
do_execsql_test indexexpr1-510 {
-- The use of the "k" alias in the WHERE clause is technically
-- illegal, but SQLite allows it for historical reasons. In this
-- test and the next, verify that "k" can be used by the t5ax index
SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x);
} {001 002 003 004 005}
do_execsql_test indexexpr1-510eqp {
EXPLAIN QUERY PLAN
SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x);
} {/USING INDEX t5ax/}
# Skip-scan on an indexed expression
#
do_execsql_test indexexpr1-600 {
DROP TABLE IF EXISTS t4;
CREATE TABLE t4(a,b,c,d,e,f,g,h,i);
CREATE INDEX t4all ON t4(a,b,c<d,e,f,i,h);
INSERT INTO t4 VALUES(1,2,3,4,5,6,7,8,9);
ANALYZE;
DELETE FROM sqlite_stat1;
INSERT INTO sqlite_stat1
VALUES('t4','t4all','600000 160000 40000 10000 2000 600 100 40 10');
ANALYZE sqlite_master;
SELECT i FROM t4 WHERE e=5;
} {9}
# Indexed expressions on both sides of an == in a WHERE clause.
#
do_execsql_test indexexpr1-700 {
DROP TABLE IF EXISTS t7;
CREATE TABLE t7(a,b,c);
INSERT INTO t7(a,b,c) VALUES(1,2,2),('abc','def','def'),(4,5,6);
CREATE INDEX t7b ON t7(+b);
CREATE INDEX t7c ON t7(+c);
SELECT *, '|' FROM t7 WHERE +b=+c ORDER BY +a;
} {1 2 2 | abc def def |}
do_execsql_test indexexpr1-710 {
CREATE TABLE t71(a,b,c);
CREATE INDEX t71bc ON t71(b+c);
CREATE TABLE t72(x,y,z);
CREATE INDEX t72yz ON t72(y+z);
INSERT INTO t71(a,b,c) VALUES(1,11,2),(2,7,15),(3,5,4);
INSERT INTO t72(x,y,z) VALUES(1,10,3),(2,8,14),(3,9,9);
SELECT a, x, '|' FROM t71, t72
WHERE b+c=y+z
ORDER BY +a, +x;
} {1 1 | 2 2 |}
# Collating sequences on indexes of expressions
#
do_execsql_test indexexpr1-800 {
DROP TABLE IF EXISTS t8;
CREATE TABLE t8(a INTEGER PRIMARY KEY, b TEXT);
CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE nocase);
INSERT INTO t8(a,b) VALUES(1,'Alice'),(2,'Bartholemew'),(3,'Cynthia');
SELECT * FROM t8 WHERE substr(b,2,4)='ARTH' COLLATE nocase;
} {2 Bartholemew}
do_catchsql_test indexexpr1-810 {
INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
} {1 {UNIQUE constraint failed: index 't8bx'}}
do_catchsql_test indexexpr1-820 {
DROP INDEX t8bx;
CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE rtrim);
INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
} {0 {}}
# Check that PRAGMA integrity_check works correctly on a
# UNIQUE index that includes rowid and expression terms.
#
do_execsql_test indexexpr1-900 {
CREATE TABLE t9(a,b,c,d);
CREATE UNIQUE INDEX t9x1 ON t9(c,abs(d),b);
INSERT INTO t9(rowid,a,b,c,d) VALUES(1,2,3,4,5);
INSERT INTO t9(rowid,a,b,c,d) VALUES(2,NULL,NULL,NULL,NULL);
INSERT INTO t9(rowid,a,b,c,d) VALUES(3,NULL,NULL,NULL,NULL);
INSERT INTO t9(rowid,a,b,c,d) VALUES(4,5,6,7,8);
PRAGMA integrity_check;
} {ok}
do_catchsql_test indexexpr1-910 {
INSERT INTO t9(a,b,c,d) VALUES(5,6,7,-8);
} {1 {UNIQUE constraint failed: index 't9x1'}}
# Test cases derived from a NEVER() maro failure discovered by
# Jonathan Metzman using AFL
#
do_execsql_test indexexpr1-1000 {
DROP TABLE IF EXISTS t0;
CREATE TABLE t0(a,b,t);
CREATE INDEX i ON t0(a in(0,1));
INSERT INTO t0 VALUES(0,1,2),(2,3,4),(5,6,7);
UPDATE t0 SET b=99 WHERE (a in(0,1))=0;
SELECT *, '|' FROM t0 ORDER BY +a;
} {0 1 2 | 2 99 4 | 5 99 7 |}
do_execsql_test indexexpr1-1010 {
UPDATE t0 SET b=88 WHERE (a in(0,1))=1;
SELECT *, '|' FROM t0 ORDER BY +a;
} {0 88 2 | 2 99 4 | 5 99 7 |}
# 2016-10-10
# Make sure indexes on expressions skip over initial NULL values in the
# index as they are suppose to do.
# Ticket https://www.sqlite.org/src/tktview/4baa46491212947
#
do_execsql_test indexexpr1-1100 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a);
INSERT INTO t1 VALUES(NULL),(1);
SELECT '1:', typeof(a), a FROM t1 WHERE a<10;
SELECT '2:', typeof(a), a FROM t1 WHERE a+0<10;
CREATE INDEX t1x1 ON t1(a);
CREATE INDEX t1x2 ON t1(a+0);
SELECT '3:', typeof(a), a FROM t1 WHERE a<10;
SELECT '4:', typeof(a), a FROM t1 WHERE a+0<10;
} {1: integer 1 2: integer 1 3: integer 1 4: integer 1}
finish_test