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# 2013-05-23
#
# 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.
#
#***********************************************************************
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !mmap||!vtab {
finish_test
return
}
source $testdir/lock_common.tcl
set testprefix mmap3
# A codec shuts down memory-mapped I/O
if {[nonzero_reserved_bytes]} {finish_test; return;}
do_test mmap3-1.0 {
load_static_extension db wholenumber
db eval {
PRAGMA mmap_size=100000;
CREATE TABLE t1(x, y);
CREATE VIRTUAL TABLE nums USING wholenumber;
INSERT INTO t1 SELECT value, randomblob(value) FROM nums
WHERE value BETWEEN 1 and 1000;
SELECT sum(x), sum(length(y)) from t1;
PRAGMA mmap_size;
}
} {100000 500500 500500 100000}
do_test mmap3-1.2 {
db eval {
PRAGMA mmap_size=50000;
CREATE TABLE t2(a,b);
SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
PRAGMA quick_check;
PRAGMA mmap_size;
}
} {50000 nums t1 t2 ok 50000}
do_test mmap3-1.3 {
db eval {
PRAGMA mmap_size=250000;
DROP TABLE t2;
SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
PRAGMA quick_check;
PRAGMA mmap_size;
}
} {250000 nums t1 ok 250000}
do_test mmap3-1.4 {
db eval {SELECT x FROM t1 WHERE +x BETWEEN 10 AND 15} {
db eval {PRAGMA mmap_size=150000}
}
db eval {
PRAGMA quick_check;
PRAGMA mmap_size;
}
} {ok 250000}
do_test mmap3-1.5 {
db eval {SELECT x FROM t1 WHERE +x BETWEEN 10 AND 15} {
db eval {PRAGMA mmap_size=0}
}
db eval {
PRAGMA quick_check;
PRAGMA mmap_size;
}
} {ok 250000}
do_test mmap3-1.6 {
db eval {SELECT x FROM t1 WHERE +x BETWEEN 10 AND 15} {
set x [db one {PRAGMA mmap_size}]
}
set x [concat $x [db eval {
PRAGMA quick_check;
PRAGMA mmap_size;
}]]
} {250000 ok 250000}
do_test mmap3-1.7 {
db eval {
PRAGMA mmap_size(0);
CREATE TABLE t3(a,b,c);
SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
PRAGMA quick_check;
PRAGMA mmap_size;
}
} {0 nums t1 t3 ok 0}
do_test mmap3-1.8 {
db eval {SELECT x FROM t1 WHERE +x BETWEEN 10 AND 15} {
db eval {PRAGMA mmap_size=75000}
}
db eval {
PRAGMA quick_check;
PRAGMA mmap_size;
}
} {ok 75000}
finish_test
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