# 2012 August 29
#
# 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.
#
#***********************************************************************
# The tests in this file focus on testing that very large checkpoints
# (those that occur when the database contains an unusually large number
# of levels or free blocks) are handled correctly.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix ckpt1
# Check that lsm_config(AUTOWORK) seems to be connected to something.
#
do_test 1.1 { sqlite4_lsm_config db main autowork 0 } 0
do_test 1.2 { sqlite4_lsm_config db main autowork 1 } 1
do_test 1.3 { sqlite4_lsm_config db main autowork -1 } 1
do_test 1.4 { sqlite4_lsm_config db main autowork 0 } 0
do_test 1.5 { sqlite4_lsm_config db main autowork -1 } 0
set nLevel 200
do_execsql_test 2.0 { CREATE TABLE t1(a INTEGER PRIMARY KEY, b INTEGER UNIQUE) }
do_test 2.1 {
for {set i 1} {$i <= $nLevel} {incr i} {
db close
sqlite4 db test.db
sqlite4_lsm_config db main autowork 0
db eval { INSERT INTO t1 VALUES($i, $i || $i) }
}
db eval {
SELECT count(*) FROM t1;
PRAGMA integrity_check;
}
} [list $nLevel ok]
#-------------------------------------------------------------------------
# The point of this test is to add a large number of blocks to the
# free-block list and check that this doesn't seem to cause any
# obvious problems.
#
do_test 3.0 {
db close
forcedelete test.db
sqlite4 db file:test.db?lsm_block_size=65536
execsql {
CREATE TABLE t1(a PRIMARY KEY, b);
CREATE INDEX i1 ON t1(b);
}
} {}
do_execsql_test 3.1 {
INSERT INTO t1 VALUES(randstr(100,100), randstr(100,100));
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 2
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 4
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 8
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 16
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 32
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 64
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 128
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 256
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 512
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 1K
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 2K
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 4K
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 8K
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 16K
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 32K
INSERT INTO t1 SELECT randstr(100,100), randstr(100,100) FROM t1; -- 64K
}
do_test 3.2 {
sqlite4_lsm_flush db main
sqlite4_lsm_work db main -nmerge 1 -npage 1000000
execsql { SELECT count(*) FROM t1 }
} {65536}
do_test 3.3 {
db close
sqlite4 db test.db
execsql { SELECT count(*) FROM t1 }
} {65536}
do_test 3.4 {
execsql { INSERT INTO t1 VALUES(randstr(100,100), randstr(100,100)) }
sqlite4_lsm_flush db main
sqlite4_lsm_work db main -nmerge 1 -npage 1000000
execsql { SELECT count(*) FROM t1 }
} {65537}
finish_test