# 2017 May 26
#
# 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
source $testdir/wal_common.tcl
set ::testprefix concurrent5
ifcapable !concurrent {
finish_test
return
}
db close
sqlite3_shutdown
test_sqlite3_log [list lappend ::log]
set ::log [list]
sqlite3 db test.db
proc do_test_conflict_msg {tn msg} {
set msg "cannot commit CONCURRENT transaction - [string trim $msg]"
uplevel [list do_test $tn {lindex $::log end} $msg]
}
do_execsql_test 1.0 {
PRAGMA journal_mode = wal;
CREATE TABLE t1(x, y);
CREATE TABLE t2(c);
WITH s(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100)
INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM s;
} {wal}
sqlite3 db2 test.db
do_test 1.1.1 {
set ::log [list]
db2 eval {
BEGIN CONCURRENT;
SELECT count(*) FROM t1;
INSERT INTO t2 VALUES(10);
}
db eval {
INSERT INTO t1 VALUES(randomblob(200), randomblob(200));
}
catchsql COMMIT db2
} {1 {database is locked}}
do_test_conflict_msg 1.1.2 {
conflict at page 2 (read-only page; part of b-tree with root page 2)
}
do_test 1.2.1 {
set ::log [list]
db2 eval {
ROLLBACK;
BEGIN CONCURRENT;
INSERT INTO t1 VALUES(11, 12);
}
db eval {
INSERT INTO t1 VALUES(12, 11);
}
catchsql COMMIT db2
} {1 {database is locked}}
do_test_conflict_msg 1.2.2 {
conflict at page 105 (read/write page; part of b-tree with root page 2)
}
do_test 1.3.1 {
set ::log [list]
db2 eval {
ROLLBACK;
BEGIN CONCURRENT;
INSERT INTO t2 VALUES('x');
}
db eval {
INSERT INTO t2 VALUES('y');
}
catchsql COMMIT db2
} {1 {database is locked}}
do_test_conflict_msg 1.3.2 {
conflict at page 3 (read/write page; part of b-tree with root page 3)
}
db close
db2 close
sqlite3_shutdown
test_sqlite3_log
sqlite3_initialize
finish_test