# 2011 March 2
#
# 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.
#
#***********************************************************************
# Make sure the rtreenode() testing function can handle entries with
# 64-bit rowids.
#
if {![info exists testdir]} {
set testdir [file join [file dirname [info script]] .. .. test]
}
source $testdir/tester.tcl
ifcapable !rtree { finish_test ; return }
set testprefix rtreeC
do_execsql_test 1.0 {
CREATE VIRTUAL TABLE r_tree USING rtree(id, min_x, max_x, min_y, max_y);
CREATE TABLE t(x, y);
}
do_eqp_test 1.1 {
SELECT * FROM r_tree, t
WHERE t.x>=min_x AND t.x<=max_x AND t.y>=min_y AND t.x<=max_y
} {
0 0 1 {SCAN TABLE t}
0 1 0 {SCAN TABLE r_tree VIRTUAL TABLE INDEX 2:D3B2D1B0}
}
do_eqp_test 1.2 {
SELECT * FROM t, r_tree
WHERE t.x>=min_x AND t.x<=max_x AND t.y>=min_y AND t.x<=max_y
} {
0 0 0 {SCAN TABLE t}
0 1 1 {SCAN TABLE r_tree VIRTUAL TABLE INDEX 2:D3B2D1B0}
}
do_eqp_test 1.3 {
SELECT * FROM t, r_tree
WHERE t.x>=min_x AND t.x<=max_x AND t.y>=min_y AND ?<=max_y
} {
0 0 0 {SCAN TABLE t}
0 1 1 {SCAN TABLE r_tree VIRTUAL TABLE INDEX 2:D3B2D1B0}
}
do_eqp_test 1.5 {
SELECT * FROM t, r_tree
} {
0 0 1 {SCAN TABLE r_tree VIRTUAL TABLE INDEX 2:}
0 1 0 {SCAN TABLE t}
}
do_execsql_test 2.0 {
INSERT INTO t VALUES(0, 0);
INSERT INTO t VALUES(0, 1);
INSERT INTO t VALUES(0, 2);
INSERT INTO t VALUES(0, 3);
INSERT INTO t VALUES(0, 4);
INSERT INTO t VALUES(0, 5);
INSERT INTO t VALUES(0, 6);
INSERT INTO t VALUES(0, 7);
INSERT INTO t VALUES(0, 8);
INSERT INTO t VALUES(0, 9);
INSERT INTO t SELECT x+1, y FROM t;
INSERT INTO t SELECT x+2, y FROM t;
INSERT INTO t SELECT x+4, y FROM t;
INSERT INTO r_tree SELECT NULL, x-1, x+1, y-1, y+1 FROM t;
ANALYZE;
}
db close
sqlite3 db test.db
do_eqp_test 2.1 {
SELECT * FROM r_tree, t
WHERE t.x>=min_x AND t.x<=max_x AND t.y>=min_y AND t.x<=max_y
} {
0 0 1 {SCAN TABLE t}
0 1 0 {SCAN TABLE r_tree VIRTUAL TABLE INDEX 2:D3B2D1B0}
}
do_eqp_test 2.2 {
SELECT * FROM t, r_tree
WHERE t.x>=min_x AND t.x<=max_x AND t.y>=min_y AND t.x<=max_y
} {
0 0 0 {SCAN TABLE t}
0 1 1 {SCAN TABLE r_tree VIRTUAL TABLE INDEX 2:D3B2D1B0}
}
do_eqp_test 2.3 {
SELECT * FROM t, r_tree
WHERE t.x>=min_x AND t.x<=max_x AND t.y>=min_y AND ?<=max_y
} {
0 0 0 {SCAN TABLE t}
0 1 1 {SCAN TABLE r_tree VIRTUAL TABLE INDEX 2:D3B2D1B0}
}
do_eqp_test 2.5 {
SELECT * FROM t, r_tree
} {
0 0 1 {SCAN TABLE r_tree VIRTUAL TABLE INDEX 2:}
0 1 0 {SCAN TABLE t}
}
#-------------------------------------------------------------------------
# Test that the special CROSS JOIN handling works with rtree tables.
#
do_execsql_test 3.1 {
CREATE TABLE t1(x);
CREATE TABLE t2(y);
CREATE VIRTUAL TABLE t3 USING rtree(z, x1,x2, y1,y2);
}
do_eqp_test 3.2.1 { SELECT * FROM t1 CROSS JOIN t2 } {
0 0 0 {SCAN TABLE t1}
0 1 1 {SCAN TABLE t2}
}
do_eqp_test 3.2.2 { SELECT * FROM t2 CROSS JOIN t1 } {
0 0 0 {SCAN TABLE t2} 0 1 1 {SCAN TABLE t1}
}
do_eqp_test 3.3.1 { SELECT * FROM t1 CROSS JOIN t3 } {
0 0 0 {SCAN TABLE t1}
0 1 1 {SCAN TABLE t3 VIRTUAL TABLE INDEX 2:}
}
do_eqp_test 3.3.2 { SELECT * FROM t3 CROSS JOIN t1 } {
0 0 0 {SCAN TABLE t3 VIRTUAL TABLE INDEX 2:}
0 1 1 {SCAN TABLE t1}
}
#--------------------------------------------------------------------
# Test that LEFT JOINs are not reordered if the right-hand-side is
# a virtual table.
#
reset_db
do_execsql_test 4.1 {
CREATE TABLE t1(a);
CREATE VIRTUAL TABLE t2 USING rtree(b, x1,x2);
INSERT INTO t1 VALUES(1);
INSERT INTO t1 VALUES(2);
INSERT INTO t2 VALUES(1, 0.0, 0.1);
INSERT INTO t2 VALUES(3, 0.0, 0.1);
}
do_execsql_test 4.2 {
SELECT a, b FROM t1 LEFT JOIN t2 ON (+a = +b);
} {1 1 2 {}}
do_execsql_test 4.3 {
SELECT b, a FROM t2 LEFT JOIN t1 ON (+a = +b);
} {1 1 3 {}}
#--------------------------------------------------------------------
# Test that the sqlite_stat1 data is used correctly.
#
reset_db
do_execsql_test 5.1 {
CREATE TABLE t1(x PRIMARY KEY, y);
CREATE VIRTUAL TABLE rt USING rtree(id, x1, x2);
INSERT INTO t1(x) VALUES(1);
INSERT INTO t1(x) SELECT x+1 FROM t1; -- 2
INSERT INTO t1(x) SELECT x+2 FROM t1; -- 4
INSERT INTO t1(x) SELECT x+4 FROM t1; -- 8
INSERT INTO t1(x) SELECT x+8 FROM t1; -- 16
INSERT INTO t1(x) SELECT x+16 FROM t1; -- 32
INSERT INTO t1(x) SELECT x+32 FROM t1; -- 64
INSERT INTO t1(x) SELECT x+64 FROM t1; -- 128
INSERT INTO t1(x) SELECT x+128 FROM t1; -- 256
INSERT INTO t1(x) SELECT x+256 FROM t1; -- 512
INSERT INTO t1(x) SELECT x+512 FROM t1; --1024
INSERT INTO rt SELECT x, x, x+1 FROM t1 WHERE x<=5;
}
# First test a query with no ANALYZE data at all. The outer loop is
# real table "t1".
#
do_eqp_test 5.2 {
SELECT * FROM t1, rt WHERE x==id;
} {
0 0 0 {SCAN TABLE t1}
0 1 1 {SCAN TABLE rt VIRTUAL TABLE INDEX 1:}
}
# Now create enough ANALYZE data to tell SQLite that virtual table "rt"
# contains very few rows. This causes it to move "rt" to the outer loop.
#
do_execsql_test 5.3 {
ANALYZE;
DELETE FROM sqlite_stat1 WHERE tbl='t1';
}
db close
sqlite3 db test.db
do_eqp_test 5.4 {
SELECT * FROM t1, rt WHERE x==id;
} {
0 0 1 {SCAN TABLE rt VIRTUAL TABLE INDEX 2:}
0 1 0 {SEARCH TABLE t1 USING INDEX sqlite_autoindex_t1_1 (x=?)}
}
# Delete the ANALYZE data. "t1" should be the outer loop again.
#
do_execsql_test 5.5 { DROP TABLE sqlite_stat1; }
db close
sqlite3 db test.db
do_eqp_test 5.6 {
SELECT * FROM t1, rt WHERE x==id;
} {
0 0 0 {SCAN TABLE t1}
0 1 1 {SCAN TABLE rt VIRTUAL TABLE INDEX 1:}
}
# This time create and attach a database that contains ANALYZE data for
# tables of the same names as those used internally by virtual table
# "rt". Check that the rtree module is not fooled into using this data.
# Table "t1" should remain the outer loop.
#
do_test 5.7 {
db backup test.db2
sqlite3 db2 test.db2
db2 eval {
ANALYZE;
DELETE FROM sqlite_stat1 WHERE tbl='t1';
}
db2 close
db close
sqlite3 db test.db
execsql { ATTACH 'test.db2' AS aux; }
} {}
do_eqp_test 5.8 {
SELECT * FROM t1, rt WHERE x==id;
} {
0 0 0 {SCAN TABLE t1}
0 1 1 {SCAN TABLE rt VIRTUAL TABLE INDEX 1:}
}
#--------------------------------------------------------------------
# Test that having a second connection drop the sqlite_stat1 table
# before it is required by rtreeConnect() does not cause problems.
#
ifcapable rtree {
reset_db
do_execsql_test 6.1 {
CREATE TABLE t1(x);
CREATE VIRTUAL TABLE rt USING rtree(id, x1, x2);
INSERT INTO t1 VALUES(1);
INSERT INTO rt VALUES(1,2,3);
ANALYZE;
}
db close
sqlite3 db test.db
do_execsql_test 6.2 { SELECT * FROM t1 } {1}
do_test 6.3 {
sqlite3 db2 test.db
db2 eval { DROP TABLE sqlite_stat1 }
db2 close
execsql { SELECT * FROM rt }
} {1 2.0 3.0}
db close
}
#--------------------------------------------------------------------
# Test that queries featuring LEFT or CROSS JOINS are handled correctly.
# Handled correctly in this case means:
#
# * Terms with prereqs that appear to the left of a LEFT JOIN against
# the virtual table are always available to xBestIndex.
#
# * Terms with prereqs that appear to the right of a LEFT JOIN against
# the virtual table are never available to xBestIndex.
#
# And the same behaviour for CROSS joins.
#
reset_db
do_execsql_test 7.0 {
CREATE TABLE xdir(x1);
CREATE TABLE ydir(y1);
CREATE VIRTUAL TABLE rt USING rtree_i32(id, xmin, xmax, ymin, ymax);
INSERT INTO xdir VALUES(5);
INSERT INTO ydir VALUES(10);
INSERT INTO rt VALUES(1, 2, 7, 12, 14); -- Not a hit
INSERT INTO rt VALUES(2, 2, 7, 8, 12); -- A hit!
INSERT INTO rt VALUES(3, 7, 11, 8, 12); -- Not a hit!
INSERT INTO rt VALUES(4, 5, 5, 10, 10); -- A hit!
}
proc do_eqp_execsql_test {tn sql res} {
set query "EXPLAIN QUERY PLAN $sql ; $sql "
uplevel [list do_execsql_test $tn $query $res]
}
do_eqp_execsql_test 7.1 {
SELECT id FROM xdir, rt, ydir
ON (y1 BETWEEN ymin AND ymax)
WHERE (x1 BETWEEN xmin AND xmax);
} {
0 0 0 {SCAN TABLE xdir}
0 1 2 {SCAN TABLE ydir}
0 2 1 {SCAN TABLE rt VIRTUAL TABLE INDEX 2:B2D3B0D1}
2 4
}
do_eqp_execsql_test 7.2 {
SELECT * FROM xdir, rt LEFT JOIN ydir
ON (y1 BETWEEN ymin AND ymax)
WHERE (x1 BETWEEN xmin AND xmax);
} {
0 0 0 {SCAN TABLE xdir}
0 1 1 {SCAN TABLE rt VIRTUAL TABLE INDEX 2:B0D1}
0 2 2 {SCAN TABLE ydir}
5 1 2 7 12 14 {}
5 2 2 7 8 12 10
5 4 5 5 10 10 10
}
do_eqp_execsql_test 7.3 {
SELECT id FROM xdir, rt CROSS JOIN ydir
ON (y1 BETWEEN ymin AND ymax)
WHERE (x1 BETWEEN xmin AND xmax);
} {
0 0 0 {SCAN TABLE xdir}
0 1 1 {SCAN TABLE rt VIRTUAL TABLE INDEX 2:B0D1}
0 2 2 {SCAN TABLE ydir}
2 4
}
do_eqp_execsql_test 7.4 {
SELECT id FROM rt, xdir CROSS JOIN ydir
ON (y1 BETWEEN ymin AND ymax)
WHERE (x1 BETWEEN xmin AND xmax);
} {
0 0 1 {SCAN TABLE xdir}
0 1 0 {SCAN TABLE rt VIRTUAL TABLE INDEX 2:B0D1}
0 2 2 {SCAN TABLE ydir}
2 4
}
finish_test