# 2008 October 4
#
# 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.
#
#***********************************************************************
#
# $Id: indexedby.test,v 1.5 2009/03/22 20:36:19 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix indexedby
# Create a schema with some indexes.
#
do_test indexedby-1.1 {
execsql {
CREATE TABLE t1(a, b);
CREATE INDEX i1 ON t1(a);
CREATE INDEX i2 ON t1(b);
CREATE TABLE t2(c, d);
CREATE INDEX i3 ON t2(c);
CREATE INDEX i4 ON t2(d);
CREATE TABLE t3(e PRIMARY KEY, f);
CREATE VIEW v1 AS SELECT * FROM t1;
}
} {}
# Explain Query Plan
#
proc EQP {sql} {
uplevel "execsql {EXPLAIN QUERY PLAN $sql}"
}
# These tests are to check that "EXPLAIN QUERY PLAN" is working as expected.
#
do_execsql_test indexedby-1.2 {
EXPLAIN QUERY PLAN select * from t1 WHERE a = 10;
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-1.3 {
EXPLAIN QUERY PLAN select * from t1 ;
} {0 0 0 {SCAN TABLE t1}}
do_execsql_test indexedby-1.4 {
EXPLAIN QUERY PLAN select * from t1, t2 WHERE c = 10;
} {
0 0 1 {SEARCH TABLE t2 USING INDEX i3 (c=?)}
0 1 0 {SCAN TABLE t1}
}
# Parser tests. Test that an INDEXED BY or NOT INDEX clause can be
# attached to a table in the FROM clause, but not to a sub-select or
# SQL view. Also test that specifying an index that does not exist or
# is attached to a different table is detected as an error.
#
do_test indexedby-2.1 {
execsql { SELECT * FROM t1 NOT INDEXED WHERE a = 'one' AND b = 'two'}
} {}
do_test indexedby-2.2 {
execsql { SELECT * FROM t1 INDEXED BY i1 WHERE a = 'one' AND b = 'two'}
} {}
do_test indexedby-2.3 {
execsql { SELECT * FROM t1 INDEXED BY i2 WHERE a = 'one' AND b = 'two'}
} {}
do_test indexedby-2.4 {
catchsql { SELECT * FROM t1 INDEXED BY i3 WHERE a = 'one' AND b = 'two'}
} {1 {no such index: i3}}
do_test indexedby-2.5 {
catchsql { SELECT * FROM t1 INDEXED BY i5 WHERE a = 'one' AND b = 'two'}
} {1 {no such index: i5}}
do_test indexedby-2.6 {
catchsql { SELECT * FROM t1 INDEXED BY WHERE a = 'one' AND b = 'two'}
} {1 {near "WHERE": syntax error}}
do_test indexedby-2.7 {
catchsql { SELECT * FROM v1 INDEXED BY i1 WHERE a = 'one' }
} {1 {no such index: i1}}
# Tests for single table cases.
#
do_execsql_test indexedby-3.1 {
EXPLAIN QUERY PLAN SELECT * FROM t1 NOT INDEXED WHERE a = 'one' AND b = 'two'
} {0 0 0 {SCAN TABLE t1}}
do_execsql_test indexedby-3.2 {
EXPLAIN QUERY PLAN
SELECT * FROM t1 INDEXED BY i1 WHERE a = 'one' AND b = 'two'
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-3.3 {
EXPLAIN QUERY PLAN
SELECT * FROM t1 INDEXED BY i2 WHERE a = 'one' AND b = 'two'
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-3.4 {
catchsql { SELECT * FROM t1 INDEXED BY i2 WHERE a = 'one' }
} {1 {no query solution}}
do_test indexedby-3.5 {
catchsql { SELECT * FROM t1 INDEXED BY i2 ORDER BY a }
} {1 {no query solution}}
do_test indexedby-3.6 {
catchsql { SELECT * FROM t1 INDEXED BY i1 WHERE a = 'one' }
} {0 {}}
do_test indexedby-3.7 {
catchsql { SELECT * FROM t1 INDEXED BY i1 ORDER BY a }
} {0 {}}
do_execsql_test indexedby-3.8 {
EXPLAIN QUERY PLAN
SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 ORDER BY e
} {0 0 0 {SCAN TABLE t3 USING INDEX sqlite_autoindex_t3_1}}
do_execsql_test indexedby-3.9 {
EXPLAIN QUERY PLAN
SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 WHERE e = 10
} {0 0 0 {SEARCH TABLE t3 USING INDEX sqlite_autoindex_t3_1 (e=?)}}
do_test indexedby-3.10 {
catchsql { SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_1 WHERE f = 10 }
} {1 {no query solution}}
do_test indexedby-3.11 {
catchsql { SELECT * FROM t3 INDEXED BY sqlite_autoindex_t3_2 WHERE f = 10 }
} {1 {no such index: sqlite_autoindex_t3_2}}
# Tests for multiple table cases.
#
do_execsql_test indexedby-4.1 {
EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE a = c
} {
0 0 0 {SCAN TABLE t1}
0 1 1 {SEARCH TABLE t2 USING INDEX i3 (c=?)}
}
do_execsql_test indexedby-4.2 {
EXPLAIN QUERY PLAN SELECT * FROM t1 INDEXED BY i1, t2 WHERE a = c
} {
0 0 1 {SCAN TABLE t2}
0 1 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}
}
do_test indexedby-4.3 {
catchsql {
SELECT * FROM t1 INDEXED BY i1, t2 INDEXED BY i3 WHERE a=c
}
} {1 {no query solution}}
do_test indexedby-4.4 {
catchsql {
SELECT * FROM t2 INDEXED BY i3, t1 INDEXED BY i1 WHERE a=c
}
} {1 {no query solution}}
# Test embedding an INDEXED BY in a CREATE VIEW statement. This block
# also tests that nothing bad happens if an index refered to by
# a CREATE VIEW statement is dropped and recreated.
#
do_execsql_test indexedby-5.1 {
CREATE VIEW v2 AS SELECT * FROM t1 INDEXED BY i1 WHERE a > 5;
EXPLAIN QUERY PLAN SELECT * FROM v2
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?)}}
do_execsql_test indexedby-5.2 {
EXPLAIN QUERY PLAN SELECT * FROM v2 WHERE b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?)}}
do_test indexedby-5.3 {
execsql { DROP INDEX i1 }
catchsql { SELECT * FROM v2 }
} {1 {no such index: i1}}
do_test indexedby-5.4 {
# Recreate index i1 in such a way as it cannot be used by the view query.
execsql { CREATE INDEX i1 ON t1(b) }
catchsql { SELECT * FROM v2 }
} {1 {no query solution}}
do_test indexedby-5.5 {
# Drop and recreate index i1 again. This time, create it so that it can
# be used by the query.
execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(a) }
catchsql { SELECT * FROM v2 }
} {0 {}}
# Test that "NOT INDEXED" may use the rowid index, but not others.
#
do_execsql_test indexedby-6.1 {
EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE b = 10 ORDER BY rowid
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_execsql_test indexedby-6.2 {
EXPLAIN QUERY PLAN SELECT * FROM t1 NOT INDEXED WHERE b = 10 ORDER BY rowid
} {0 0 0 {SCAN TABLE t1}}
# Test that "INDEXED BY" can be used in a DELETE statement.
#
do_execsql_test indexedby-7.1 {
EXPLAIN QUERY PLAN DELETE FROM t1 WHERE a = 5
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.2 {
EXPLAIN QUERY PLAN DELETE FROM t1 NOT INDEXED WHERE a = 5
} {0 0 0 {SCAN TABLE t1}}
do_execsql_test indexedby-7.3 {
EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i1 WHERE a = 5
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.4 {
EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i1 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-7.5 {
EXPLAIN QUERY PLAN DELETE FROM t1 INDEXED BY i2 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-7.6 {
catchsql { DELETE FROM t1 INDEXED BY i2 WHERE a = 5}
} {1 {no query solution}}
# Test that "INDEXED BY" can be used in an UPDATE statement.
#
do_execsql_test indexedby-8.1 {
EXPLAIN QUERY PLAN UPDATE t1 SET rowid=rowid+1 WHERE a = 5
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-8.2 {
EXPLAIN QUERY PLAN UPDATE t1 NOT INDEXED SET rowid=rowid+1 WHERE a = 5
} {0 0 0 {SCAN TABLE t1}}
do_execsql_test indexedby-8.3 {
EXPLAIN QUERY PLAN UPDATE t1 INDEXED BY i1 SET rowid=rowid+1 WHERE a = 5
} {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (a=?)}}
do_execsql_test indexedby-8.4 {
EXPLAIN QUERY PLAN
UPDATE t1 INDEXED BY i1 SET rowid=rowid+1 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}}
do_execsql_test indexedby-8.5 {
EXPLAIN QUERY PLAN
UPDATE t1 INDEXED BY i2 SET rowid=rowid+1 WHERE a = 5 AND b = 10
} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (b=?)}}
do_test indexedby-8.6 {
catchsql { UPDATE t1 INDEXED BY i2 SET rowid=rowid+1 WHERE a = 5}
} {1 {no query solution}}
# Test that bug #3560 is fixed.
#
do_test indexedby-9.1 {
execsql {
CREATE TABLE maintable( id integer);
CREATE TABLE joinme(id_int integer, id_text text);
CREATE INDEX joinme_id_text_idx on joinme(id_text);
CREATE INDEX joinme_id_int_idx on joinme(id_int);
}
} {}
do_test indexedby-9.2 {
catchsql {
select * from maintable as m inner join
joinme as j indexed by joinme_id_text_idx
on ( m.id = j.id_int)
}
} {1 {no query solution}}
do_test indexedby-9.3 {
catchsql { select * from maintable, joinme INDEXED by joinme_id_text_idx }
} {1 {no query solution}}
# Make sure we can still create tables, indices, and columns whose name
# is "indexed".
#
do_test indexedby-10.1 {
execsql {
CREATE TABLE indexed(x,y);
INSERT INTO indexed VALUES(1,2);
SELECT * FROM indexed;
}
} {1 2}
do_test indexedby-10.2 {
execsql {
CREATE INDEX i10 ON indexed(x);
SELECT * FROM indexed indexed by i10 where x>0;
}
} {1 2}
do_test indexedby-10.3 {
execsql {
DROP TABLE indexed;
CREATE TABLE t10(indexed INTEGER);
INSERT INTO t10 VALUES(1);
CREATE INDEX indexed ON t10(indexed);
SELECT * FROM t10 indexed by indexed WHERE indexed>0
}
} {1}
#-------------------------------------------------------------------------
# Ensure that the rowid at the end of each index entry may be used
# for equality constraints in the same way as other indexed fields.
#
do_execsql_test 11.1 {
CREATE TABLE x1(a, b TEXT);
CREATE INDEX x1i ON x1(a, b);
INSERT INTO x1 VALUES(1, 1);
INSERT INTO x1 VALUES(1, 1);
INSERT INTO x1 VALUES(1, 1);
INSERT INTO x1 VALUES(1, 1);
}
do_execsql_test 11.2 {
SELECT a,b,rowid FROM x1 INDEXED BY x1i WHERE a=1 AND b=1 AND rowid=3;
} {1 1 3}
do_execsql_test 11.3 {
SELECT a,b,rowid FROM x1 INDEXED BY x1i WHERE a=1 AND b=1 AND rowid='3';
} {1 1 3}
do_execsql_test 11.4 {
SELECT a,b,rowid FROM x1 INDEXED BY x1i WHERE a=1 AND b=1 AND rowid='3.0';
} {1 1 3}
do_eqp_test 11.5 {
SELECT a,b,rowid FROM x1 INDEXED BY x1i WHERE a=1 AND b=1 AND rowid='3.0';
} {0 0 0 {SEARCH TABLE x1 USING COVERING INDEX x1i (a=? AND b=? AND rowid=?)}}
do_execsql_test 11.6 {
CREATE TABLE x2(c INTEGER PRIMARY KEY, a, b TEXT);
CREATE INDEX x2i ON x2(a, b);
INSERT INTO x2 VALUES(1, 1, 1);
INSERT INTO x2 VALUES(2, 1, 1);
INSERT INTO x2 VALUES(3, 1, 1);
INSERT INTO x2 VALUES(4, 1, 1);
}
do_execsql_test 11.7 {
SELECT a,b,c FROM x2 INDEXED BY x2i WHERE a=1 AND b=1 AND c=3;
} {1 1 3}
do_execsql_test 11.8 {
SELECT a,b,c FROM x2 INDEXED BY x2i WHERE a=1 AND b=1 AND c='3';
} {1 1 3}
do_execsql_test 11.9 {
SELECT a,b,c FROM x2 INDEXED BY x2i WHERE a=1 AND b=1 AND c='3.0';
} {1 1 3}
do_eqp_test 11.10 {
SELECT a,b,c FROM x2 INDEXED BY x2i WHERE a=1 AND b=1 AND c='3.0';
} {0 0 0 {SEARCH TABLE x2 USING COVERING INDEX x2i (a=? AND b=? AND rowid=?)}}
finish_test