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## $Id$ |
## $Id$ |
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## -------------------------------------------------------------------------------- |
## -------------------------------------------------------------------------------- |
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## $Log$ |
## $Log$ |
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## Revision 1.10 2003/04/08 23:07:57 joko |
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## renamed core database helper functions |
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## moved 'hash2Sql' and 'quotesql' to shortcuts::db |
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## |
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## Revision 1.9 2003/02/09 04:47:58 joko |
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## + minor fix |
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## |
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## Revision 1.8 2002/12/12 02:48:58 joko |
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## + played with fixing disconnectTarget |
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## |
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## Revision 1.7 2002/12/01 22:13:17 joko |
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## + minor bugfix? |
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## |
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## Revision 1.6 2002/11/29 04:53:39 joko |
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## + hash2Sql now knows about SQL_SELECT |
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## |
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## Revision 1.5 2002/11/17 07:18:38 joko |
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## + small modification in hash2sql |
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## |
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## Revision 1.4 2002/10/16 22:36:42 joko |
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## + sub testDbServer |
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## |
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## Revision 1.3 2002/07/27 00:28:20 cvsjoko |
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## bugfixes |
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## |
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## Revision 1.2 2002/07/20 11:09:58 cvsjoko |
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## + bugfixes |
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## + dont' print sql-errors |
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## |
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## Revision 1.1 2002/07/19 18:14:03 cvsjoko |
## Revision 1.1 2002/07/19 18:14:03 cvsjoko |
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## no message |
## no message |
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## |
## |
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use strict; |
use strict; |
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use warnings; |
use warnings; |
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use libp; |
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use DBI; |
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require Exporter; |
require Exporter; |
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our @ISA = qw( Exporter ); |
our @ISA = qw( Exporter ); |
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our @EXPORT = qw( |
our @EXPORT_OK = qw( |
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testDsn hash2Sql |
testDsn |
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SQL_INSERT SQL_UPDATE |
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connectTarget disconnectTarget sendSql |
connectTarget disconnectTarget sendSql |
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dbNow |
dbNow |
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getDbNameByDsn sqlDbAction createSqlDb dropSqlDb |
dsn2dbname sqlDbAction createSqlDb dropSqlDb |
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quotesql |
testDsnForTables testDbServer |
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testDsnForTables |
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); |
); |
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use constant SQL_INSERT => 10; |
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use constant SQL_UPDATE => 11; |
use Carp; |
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use DBI; |
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use Data::Dumper; |
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use shortcuts::db qw( dsn2dbname ); |
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my $dbmeta_ref_cache; |
my $dbmeta_ref_cache; |
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} |
} |
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} |
} |
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sub hash2Sql { |
sub testDbServer { |
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my $dsn = shift; |
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my $table = shift; |
$dsn =~ s/database=(\w+)//; |
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my $hash = shift; |
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my $mode = shift; |
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my $crit = shift; |
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my $sql; |
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if ($mode == SQL_INSERT) { |
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$sql = "INSERT INTO $table (#fields#) VALUES (#values#);"; |
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} |
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if ($mode == SQL_UPDATE) { |
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$sql = "UPDATE $table SET #fields-values# WHERE $crit;"; |
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} |
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my (@fields, @values); |
#print "testDbServer: $dsn", "\n"; |
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foreach my $key (keys %{$hash}) { |
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push @fields, $key; |
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push @values, $hash->{$key}; |
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} |
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# quote each element |
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map { if (defined $_) { $_ = "'$_'" } else { $_ = "null" } } @values; |
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my $fields = join(', ', @fields); |
my $result; |
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my $values = join(', ', @values); |
if ( my $dbh = DBI->connect($dsn, '', '', { |
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my $fields_values = ''; |
PrintError => 0, |
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my $fc = 0; |
} ) ) { |
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foreach (@fields) { |
$dbh->disconnect(); |
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$fields_values .= $_ . '=' . $values[$fc] . ', '; |
return 1; |
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$fc++; |
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} |
} |
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$fields_values = substr($fields_values, 0, -2); |
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$sql =~ s/#fields#/$fields/; |
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$sql =~ s/#values#/$values/; |
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$sql =~ s/#fields-values#/$fields_values/; |
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return $sql; |
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} |
} |
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sub patch_dbmeta { |
sub patch_dbmeta { |
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my $dbmeta = shift; |
my $dbmeta = shift; |
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croak "please supply a dsn or a \"dbmeta\"-hash" if (!$dbmeta); |
croak "please supply a dsn or a \"dbmeta\"-hash" if (!$dbmeta); |
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$dbmeta = patch_dbmeta($dbmeta); |
$dbmeta = patch_dbmeta($dbmeta); |
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if (!$dbmeta->{connected}) { |
if (!$dbmeta->{connected}) { |
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if ($dbmeta->{dbh} = DBI->connect($dbmeta->{dsn})) { |
if ($dbmeta->{dbh} = DBI->connect($dbmeta->{dsn}, '', '', { PrintError => 0 } )) { |
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$dbmeta->{dbh}->trace($dbmeta->{trace_level}, $dbmeta->{trace_file}); |
$dbmeta->{dbh}->trace($dbmeta->{trace_level}, $dbmeta->{trace_file}); |
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$dbmeta->{dbh}->{PrintError} = 0; |
$dbmeta->{dbh}->{PrintError} = 0; |
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$dbmeta->{connected} = 1; |
$dbmeta->{connected} = 1; |
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$dbmeta_ref_cache = $dbmeta; |
$dbmeta_ref_cache = $dbmeta; |
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return 1; |
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} |
} |
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} |
} |
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} |
} |
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sub disconnectTarget { |
sub disconnectTarget { |
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#my $dbmeta = shift; |
#my $dbmeta = shift; |
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#print "disc\n"; |
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#croak "please supply a \"dbmeta\"-hash" if (!$dbmeta); |
#croak "please supply a \"dbmeta\"-hash" if (!$dbmeta); |
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#$dbmeta = patch_dbmeta($dbmeta); |
#$dbmeta = patch_dbmeta($dbmeta); |
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#$dbmeta->{dbh} && $dbmeta->{dbh}->disconnect(); |
#$dbmeta->{dbh} && $dbmeta->{dbh}->disconnect(); |
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my $dbmeta = $dbmeta_ref_cache; |
my $dbmeta = $dbmeta_ref_cache; |
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$dbmeta->{dbh} && $dbmeta->{dbh}->disconnect(); |
#print Dumper($dbmeta); |
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#$dbmeta->{dbh} && $dbmeta->{dbh}->disconnect(); |
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$dbmeta->{dbh}->disconnect(); |
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undef($dbmeta->{dbh}); |
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undef($dbmeta); |
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undef($dbmeta_ref_cache); |
undef($dbmeta_ref_cache); |
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} |
} |
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return 0; |
return 0; |
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} |
} |
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if (my $result = $dbmeta_ref->{dbh}->prepare($sql)) { |
if (my $result = $dbmeta_ref->{dbh}->prepare($sql)) { |
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if ($result->execute()) { |
#if ($result->execute()) { |
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$result->execute(); |
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return $result; |
return $result; |
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} |
#} |
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} |
} |
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} |
} |
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} |
} |
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sub getDbNameByDsn { |
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my $dsn = shift; |
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$dsn =~ m/database=(.+?);/; |
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my $database_name = $1; |
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return $database_name; |
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} |
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sub sqlDbAction { |
sub sqlDbAction { |
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my $dsn = shift; |
my $dsn = shift; |
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$dsn =~ s/database=.+?;//; |
$dsn =~ s/database=.+?;//; |
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trace_level => 1, |
trace_level => 1, |
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trace_file => 'dbitrace', |
trace_file => 'dbitrace', |
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}; |
}; |
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connectTarget($dbmeta); |
my $bool_ok; |
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sendSql($sql); |
if (connectTarget($dbmeta)) { |
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disconnectTarget($dbmeta); |
sendSql($sql); |
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#print "state: ", $dbmeta->{dbh}->state, "\n"; |
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#print "err ", $dbmeta->{dbh}->err, "\n"; |
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#$bool_ok = ($dbmeta->{dbh} && $dbmeta->{dbh}->state && !$dbmeta->{dbh}->err); |
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$bool_ok = ($dbmeta->{dbh} && !$dbmeta->{dbh}->err); |
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disconnectTarget($dbmeta); |
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} |
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return $bool_ok; |
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} |
} |
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sub createSqlDb { |
sub createSqlDb { |
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my $dsn = shift; |
my $dsn = shift; |
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my $dbname = getDbNameByDsn($dsn); |
my $dbname = dsn2dbname($dsn); |
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print " - creating database $dbname", "\n"; |
print " - creating rdbms-database $dbname ($dsn) ..."; |
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my $sql; |
my $sql; |
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$sql = "CREATE DATABASE $dbname;"; |
$sql = "CREATE DATABASE $dbname;"; |
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sqlDbAction($dsn, $sql); |
if ( sqlDbAction($dsn, $sql) ) { |
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print "ok", "\n"; |
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return 1; |
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} else { |
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print "failed", "\n"; |
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return 0; |
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} |
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} |
} |
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sub dropSqlDb { |
sub dropSqlDb { |
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my $dsn = shift; |
my $dsn = shift; |
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my $dbname = getDbNameByDsn($dsn); |
my $dbname = dsn2dbname($dsn); |
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print " - dropping database $dbname", "\n"; |
print " - dropping database $dbname", "\n"; |
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my $sql; |
my $sql; |
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$sql = "DROP DATABASE $dbname;"; |
$sql = "DROP DATABASE $dbname;"; |
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sqlDbAction($dsn, $sql); |
sqlDbAction($dsn, $sql); |
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} |
} |
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sub quotesql { |
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my $string = shift; |
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$string =~ s/'/\\'/g; |
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return $string; |
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} |
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sub testDsnForTables { |
sub testDsnForTables { |
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my $dsn = shift; |
my $dsn = shift; |
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connectTarget($dsn); |
connectTarget($dsn); |
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return 1 if ($bool_tablesHere); |
return 1 if ($bool_tablesHere); |
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} |
} |
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1; |
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1; |