d5e040b6f0
with SQLServer and PG. FossilOrigin-Name: b91c19bf2680f60d7826ab5d9e7902e2dc2a55d847bbea565a6489d47f2cc8f1
78 lines
1.6 KiB
Plaintext
78 lines
1.6 KiB
Plaintext
# 2023 May 13
|
|
#
|
|
# 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
|
|
source $testdir/lock_common.tcl
|
|
if {[run_thread_tests]==0} { finish_test ; return }
|
|
|
|
set testprefix thread3
|
|
|
|
do_execsql_test 1.0 {
|
|
CREATE TABLE t1(a, b);
|
|
PRAGMA journal_mode = DELETE;
|
|
} {delete}
|
|
|
|
proc wait_for_var {varname} {
|
|
if {0==[uplevel [list info exists $varname]]} {
|
|
uplevel [list vwait $varname]
|
|
}
|
|
uplevel [list set $varname]
|
|
}
|
|
|
|
set nAttempt 250
|
|
|
|
do_test 1.1 {
|
|
for {set i 0} {$i < $nAttempt} {incr i} {
|
|
unset -nocomplain X
|
|
unset -nocomplain Y
|
|
|
|
sqlthread spawn X {
|
|
sqlite3 dbI test.db
|
|
dbI timeout 100
|
|
set rc 1
|
|
set nBusy 0
|
|
while {$rc} {
|
|
set rc [catch {
|
|
dbI eval { INSERT INTO t1 VALUES(203, 'message') RETURNING a; }
|
|
} msg]
|
|
if {$rc} { incr nBusy }
|
|
}
|
|
dbI close
|
|
set nBusy
|
|
}
|
|
|
|
sqlthread spawn Y {
|
|
sqlite3 dbR test.db
|
|
catch {
|
|
dbR eval { SELECT count(*) FROM t1 }
|
|
} msg
|
|
dbR close
|
|
set msg
|
|
}
|
|
|
|
wait_for_var X
|
|
wait_for_var Y
|
|
incr nTotalBusy $X
|
|
}
|
|
|
|
execsql { SELECT count(*) FROM t1 }
|
|
set {} {}
|
|
} {}
|
|
|
|
do_execsql_test "1.Total BUSY errors: $nTotalBusy .2" {
|
|
SELECT count(*) FROM t1;
|
|
} $nAttempt
|
|
|
|
finish_test
|