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# 2010 February 16
#
# 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.
#
#***********************************************************************
#
#
if {![info exists testdir]} {
set testdir [file join [file dirname [info script]] .. .. test]
}
source [file join [file dirname [info script]] rtree_util.tcl]
source $testdir/tester.tcl
ifcapable !rtree { finish_test ; return }
#-------------------------------------------------------------------------
# The following block of tests - rtree8-1.* - feature reading and writing
# an r-tree table while there exist open cursors on it.
#
proc populate_t1 {n} {
execsql { DELETE FROM t1 }
for {set i 1} {$i <= $n} {incr i} {
execsql { INSERT INTO t1 VALUES($i, $i, $i+2) }
}
}
# A DELETE while a cursor is reading the table.
#
do_test rtree8-1.1.1 {
execsql { PRAGMA page_size = 512 }
execsql { CREATE VIRTUAL TABLE t1 USING rtree_i32(id, x1, x2) }
populate_t1 5
} {}
do_test rtree8-1.1.2 {
set res [list]
set rc [catch {
db eval { SELECT * FROM t1 } {
lappend res $x1 $x2
if {$id==3} { db eval { DELETE FROM t1 WHERE id>3 } }
}
} msg];
lappend rc $msg
set rc
} {1 {database table is locked}}
do_test rtree8-1.1.2b {
db eval { SELECT * FROM t1 ORDER BY +id } {
if {$id==3} { db eval { DELETE FROM t1 WHERE id>3 } }
}
db eval {SELECT x1, x2 FROM t1}
} {1 3 2 4 3 5}
do_test rtree8-1.1.3 {
execsql { SELECT * FROM t1 }
} {1 1 3 2 2 4 3 3 5}
# Many SELECTs on the same small table.
#
proc nested_select {n} {
set ::max $n
db eval { SELECT * FROM t1 } {
if {$id == $n} { nested_select [expr $n+1] }
}
return $::max
}
do_test rtree8-1.2.1 { populate_t1 50 } {}
do_test rtree8-1.2.2 { nested_select 1 } {51}
# This test runs many SELECT queries simultaneously against a large
# table, causing a collision in the hash-table used to store r-tree
# nodes internally.
#
populate_t1 1500
do_rtree_integrity_test rtree8-1.3.0 t1
do_execsql_test rtree8-1.3.1 { SELECT max(nodeno) FROM t1_node } {183}
do_test rtree8-1.3.2 {
set rowids [execsql {SELECT min(rowid) FROM t1_rowid GROUP BY nodeno}]
set stmt_list [list]
foreach row $rowids {
set stmt [sqlite3_prepare db "SELECT * FROM t1 WHERE id = $row" -1 tail]
sqlite3_step $stmt
lappend res_list [sqlite3_column_int $stmt 0]
lappend stmt_list $stmt
}
} {}
do_test rtree8-1.3.3 { set res_list } $rowids
do_execsql_test rtree8-1.3.4 { SELECT count(*) FROM t1 } {1500}
do_test rtree8-1.3.5 {
foreach stmt $stmt_list { sqlite3_finalize $stmt }
} {}
#-------------------------------------------------------------------------
# The following block of tests - rtree8-2.* - test a couple of database
# corruption cases. In this case things are not corrupted at the b-tree
# level, but the contents of the various tables used internally by an
# r-tree table are inconsistent.
#
populate_t1 50
do_execsql_test rtree8-2.1.1 { SELECT max(nodeno) FROM t1_node } {5}
sqlite3_db_config db DEFENSIVE 0
do_execsql_test rtree8-2.1.2 { DELETE FROM t1_node } {}
for {set i 1} {$i <= 50} {incr i} {
do_catchsql_test rtree8-2.1.3.$i {
SELECT * FROM t1 WHERE id = $i
} {1 {database disk image is malformed}}
}
do_catchsql_test rtree8-2.1.4 {
SELECT * FROM t1
} {1 {database disk image is malformed}}
do_catchsql_test rtree8-2.1.5 {
DELETE FROM t1
} {1 {database disk image is malformed}}
do_execsql_test rtree8-2.1.6 {
DROP TABLE t1;
CREATE VIRTUAL TABLE t1 USING rtree_i32(id, x1, x2);
} {}
populate_t1 50
sqlite3_db_config db DEFENSIVE 0
do_execsql_test rtree8-2.2.1 {
DELETE FROM t1_parent
} {}
do_catchsql_test rtree8-2.2.2 {
DELETE FROM t1 WHERE id=25
} {1 {database disk image is malformed}}
do_execsql_test rtree8-2.2.3 {
DROP TABLE t1;
CREATE VIRTUAL TABLE t1 USING rtree_i32(id, x1, x2);
} {}
#-------------------------------------------------------------------------
# Test that trying to use the MATCH operator with the r-tree module does
# not confuse it.
#
populate_t1 10
do_catchsql_test rtree8-3.1 {
SELECT * FROM t1 WHERE x1 MATCH '1234'
} {1 {SQL logic error}}
#-------------------------------------------------------------------------
# Test a couple of invalid arguments to rtreedepth().
#
do_catchsql_test rtree8-4.1 {
SELECT rtreedepth('hello world')
} {1 {Invalid argument to rtreedepth()}}
do_catchsql_test rtree8-4.2 {
SELECT rtreedepth(X'00')
} {1 {Invalid argument to rtreedepth()}}
#-------------------------------------------------------------------------
# Delete half of a lopsided tree.
#
do_execsql_test rtree8-5.1 {
CREATE VIRTUAL TABLE t2 USING rtree_i32(id, x1, x2)
} {}
do_test rtree8-5.2 {
execsql BEGIN
for {set i 0} {$i < 100} {incr i} {
execsql { INSERT INTO t2 VALUES($i, 100, 101) }
}
for {set i 100} {$i < 200} {incr i} {
execsql { INSERT INTO t2 VALUES($i, 1000, 1001) }
}
execsql COMMIT
} {}
do_rtree_integrity_test rtree8-5.3 t2
do_test rtree8-5.4 {
execsql BEGIN
for {set i 0} {$i < 200} {incr i} {
execsql { DELETE FROM t2 WHERE id = $i }
}
execsql COMMIT
} {}
do_rtree_integrity_test rtree8-5.5 t2
# 2018-05-24
# The following script caused an assertion fault and/or segfault
# prior to the fix that prevents simultaneous reads and writes on
# the same rtree virtual table.
#
do_test rtree8-6.1 {
db close
sqlite3 db :memory:
db eval {
PRAGMA page_size=512;
CREATE VIRTUAL TABLE t1 USING rtree(id,x1,x2,y1,y2);
WITH RECURSIVE c(x) AS (VALUES(0) UNION ALL SELECT x+1 FROM c WHERE x<49)
INSERT INTO t1 SELECT x, x, x+1, x, x+1 FROM c;
}
set rc [catch {
db eval {SELECT id FROM t1} x {
db eval {DELETE FROM t1 WHERE id=$x(id)}
}
} msg]
lappend rc $msg
} {1 {database table is locked}}
finish_test
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