mirror of
https://github.com/sqlite/sqlite.git
synced 2025-11-03 16:53:36 +03:00
102 lines
2.9 KiB
Plaintext
102 lines
2.9 KiB
Plaintext
# Copyright (c) 1999, 2000 D. Richard Hipp
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2 of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public
|
|
# License along with this library; if not, write to the
|
|
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
# Boston, MA 02111-1307, USA.
|
|
#
|
|
# Author contact information:
|
|
# drh@hwaci.com
|
|
# http://www.hwaci.com/drh/
|
|
#
|
|
#***********************************************************************
|
|
# This file implements regression tests for SQLite library. The
|
|
# focus of this script is database locks.
|
|
#
|
|
# $Id: lock.test,v 1.1 2000/07/28 14:32:50 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
|
|
# Create a largish table
|
|
#
|
|
do_test lock-1.0 {
|
|
execsql {CREATE TABLE big(f1 int, f2 int, f3 int)}
|
|
set f [open ./testdata1.txt w]
|
|
for {set i 1} {$i<=500} {incr i} {
|
|
puts $f "$i\t[expr {$i*2}]\t[expr {$i*3}]"
|
|
}
|
|
close $f
|
|
execsql {COPY big FROM './testdata1.txt'}
|
|
file delete -force ./testdata1.txt
|
|
} {}
|
|
|
|
do_test lock-1.1 {
|
|
# Create a background query that gives us a read lock on the big table
|
|
#
|
|
set f [open slow.sql w]
|
|
puts $f "SELECT a.f1, b.f1 FROM big AS a, big AS B"
|
|
puts $f "WHERE a.f1+b.f1==0.5;"
|
|
close $f
|
|
set ::lock_pid [exec ./sqlite testdb <slow.sql &]
|
|
after 10
|
|
set v {}
|
|
} {}
|
|
|
|
do_test lock-1.2 {
|
|
# Now try to update the database
|
|
#
|
|
set v [catch {execsql {UPDATE big SET f2='xyz' WHERE f1=11}} msg]
|
|
lappend v $msg
|
|
} {1 {table big is locked}}
|
|
|
|
do_test lock-1.3 {
|
|
# Try to update the database in a separate process
|
|
#
|
|
set f [open update.sql w]
|
|
puts $f ".timeout 0"
|
|
puts $f "UPDATE big SET f2='xyz' WHERE f1=11;"
|
|
puts $f "SELECT f2 FROM big WHERE f1=11;"
|
|
close $f
|
|
exec ./sqlite testdb <update.sql
|
|
} "SQL error: table big is locked\n22"
|
|
|
|
do_test lock-1.4 {
|
|
# Try to update the database using a timeout
|
|
#
|
|
set f [open update.sql w]
|
|
puts $f ".timeout 1000"
|
|
puts $f "UPDATE big SET f2='xyz' WHERE f1=11;"
|
|
puts $f "SELECT f2 FROM big WHERE f1=11;"
|
|
close $f
|
|
exec ./sqlite testdb <update.sql
|
|
} "SQL error: table big is locked\n22"
|
|
|
|
do_test lock-1.5 {
|
|
# Try to update the database using a timeout
|
|
#
|
|
set f [open update.sql w]
|
|
puts $f ".timeout 10000"
|
|
puts $f "UPDATE big SET f2='xyz' WHERE f1=11;"
|
|
puts $f "SELECT f2 FROM big WHERE f1=11;"
|
|
close $f
|
|
exec ./sqlite testdb <update.sql
|
|
} {xyz}
|
|
|
|
catch {exec ps -uax | grep $::lock_pid}
|
|
catch {exec kill -HUP $::lock_pid}
|
|
catch {exec kill -9 $::lock_pid}
|
|
|
|
finish_test
|