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−#!perl -I./t
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−
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−# This Source Code Form is subject to the terms of the Mozilla Public
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−# License, v. 2.0.  If a copy of the MPL was not distributed with this
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−# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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−#
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−# Copyright 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V.
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−
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−$| = 1;
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−
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−use strict;
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−use warnings;
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−use DBI();
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−use DBD_TEST();
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−
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−use Test::More;
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−
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−if ( defined $ENV{DBI_DSN} ) {
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−  plan tests => 19;
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−} else {
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−  plan skip_all => 'Cannot test without DB info';
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−}
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−
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−my $tbl = $DBD_TEST::table_name;
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−
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−pass('Transaction / AutoCommit tests');
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−
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−my $dbh = DBI->connect or die "Connect failed: $DBI::errstr\n";
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−   $dbh->{RaiseError} = 1;
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−   $dbh->{PrintError} = 0;
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−pass('Database connection created');
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−
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−for ('rollback','commit')
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−{
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−  my $Warning;
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−  local $SIG{__WARN__} = sub { $Warning = $_[0]; chomp $Warning; };
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−  local $dbh->{Warn} = 1;
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−  $dbh->$_;
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−  like( $Warning, qr/ineffective/, "Warning expected: $Warning");
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−}
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−ok( DBD_TEST::tab_create( $dbh ),"CREATE TABLE $tbl");
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−
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−$dbh->{AutoCommit} = 1;
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−ok( $dbh->{AutoCommit}, "AutoCommit ON: $dbh->{AutoCommit}");
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−
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−is( commitTest( $dbh ), 1,'Commit Test, AutoCommit ON');
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−
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−$dbh->{AutoCommit} = 0;
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−ok( !$dbh->{AutoCommit}, "AutoCommit OFF: $dbh->{AutoCommit}");
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−
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−is( commitTest( $dbh ), 0,'Commit Test, AutoCommit OFF');
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−
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−$dbh->{AutoCommit} = 1;
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−ok( $dbh->{AutoCommit}, "AutoCommit ON: $dbh->{AutoCommit}");
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−
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−is( commitTest( $dbh ), 1,'Commit Test, AutoCommit ON');
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−
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−ok( $dbh->begin_work  ,'begin_work');
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−ok( $dbh->{BegunWork} ,'BegunWork ON');
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−ok(!$dbh->{AutoCommit},'AutoCommit OFF');
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−ok( $dbh->rollback    ,'rollback');
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−ok(!$dbh->{BegunWork} ,'BegunWork OFF');
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−ok( $dbh->{AutoCommit},'AutoCommit ON');
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−
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−ok( $dbh->do("DROP TABLE $tbl"),"DROP TABLE $tbl");
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−
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−ok( $dbh->disconnect,'Disconnect');
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−
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−# -----------------------------------------------------------------------------
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−# Returns true when a row remains inserted after a rollback.
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−# This means that AutoCommit is ON.
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−# -----------------------------------------------------------------------------
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−sub commitTest {
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−  my $dbh = shift;
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−
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−  $dbh->do("DELETE FROM $tbl WHERE A = 100") or return undef;
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−  {
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−    local $SIG{__WARN__} = sub {}; # suppress the "commit ineffective" warning
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−    local $dbh->{RaiseError} = 0;
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−    $dbh->commit;
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−  }
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−  $dbh->do("INSERT INTO $tbl( A, B ) VALUES( 100,'T100')");
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−  {
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−    local $SIG{__WARN__} = sub {}; # suppress the "rollback ineffective" warning
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−    local $dbh->{RaiseError} = 0;
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−    $dbh->rollback;
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−  }
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−  my $sth = $dbh->prepare("SELECT A, B FROM $tbl WHERE A = 100");
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−  $sth->execute;
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−  my $rc = 0;
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−  while ( my $row = $sth->fetch ) {
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−    print "-- @$row\n";
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−    $rc = 1;
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−  }
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−  $rc;
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−}