SQLite

Artifact b96fa5c4cfdf8d5c0bc66b6934214500bad0260884a736f054ccc76e81aae85d:

• File test/concurrent7.test — part of check-in [dc0fc2aa7c] at 2018-01-04 18:36:39 on branch begin-concurrent-pnu — Fix problem causing free-list corruption when merging free-lists for two concurrent transactions that have both used page X as an in-memory free-list trunk page, where X lies past the end of the initial database images. (user: dan size: 1114) [more...]

# 2018 Jan 5
#
# 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
set ::testprefix concurrent7

sqlite3 db2 test.db

do_execsql_test 1 {
  PRAGMA journal_mode = wal;
  CREATE TABLE t1(x);
  CREATE TABLE t2(x);
} {wal}

do_execsql_test -db db2 2 {
  SELECT * FROM t1;
}

do_execsql_test 3 {
  BEGIN CONCURRENT;
    INSERT INTO t1 VALUES(randomblob(1500));
    INSERT INTO t1 VALUES(randomblob(1500));
    DELETE FROM t1 WHERE rowid = 1;
}

do_execsql_test -db db2 4 {
  INSERT INTO t2 VALUES(randomblob(1500));
  INSERT INTO t2 VALUES(randomblob(1500));
  INSERT INTO t2 VALUES(randomblob(1500));
  INSERT INTO t2 VALUES(randomblob(1500));
  DELETE FROM t2 WHERE rowid IN (1, 2);
}

do_execsql_test 5 {
  COMMIT;
  PRAGMA integrity_check;
} {ok}

finish_test