/usr/share/perl5/SQL/Translator/Parser/DBI/DB2.pm is in libsql-translator-perl 0.11024-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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=head1 NAME
SQL::Translator::Parser::DBI::DB2 - parser for DBD::DB2
=head1 SYNOPSIS
See SQL::Translator::Parser::DBI.
=head1 DESCRIPTION
Uses DBI methods to determine schema structure. DBI, of course,
delegates to DBD::DB2.
=cut
use strict;
use warnings;
use DBI;
use Data::Dumper;
use SQL::Translator::Parser::DB2;
use SQL::Translator::Schema::Constants;
our ($DEBUG, $VERSION, @EXPORT_OK );
# $VERSION = '1.59';
$DEBUG = 0 unless defined $DEBUG;
sub parse {
my ( $tr, $dbh ) = @_;
my $schema = $tr->schema;
my ($sth, @tables, $columns);
my $stuff;
if ($dbh->{FetchHashKeyName} ne 'NAME_uc') {
$dbh->{FetchHashKeyName} = 'NAME_uc';
}
if ($dbh->{ChopBlanks} != 1) {
$dbh->{ChopBlanks} = 1;
}
my $tabsth = $dbh->prepare(<<SQL);
SELECT t.TABSCHEMA,
t.TABNAME,
t.TYPE,
ts.TBSPACE
FROM SYSCAT.TABLES t
JOIN SYSCAT.TABLESPACES ts ON t.TBSPACEID = ts.TBSPACEID
WHERE t.TABSCHEMA NOT LIKE 'SYS%'
ORDER BY t.TABNAME ASC
SQL
# $sth = $dbh->table_info();
# @tables = @{$sth->fetchall_arrayref({})};
my $colsth = $dbh->prepare(<<SQL);
SELECT c.TABSCHEMA,
c.TABNAME,
c.COLNAME,
c.TYPENAME,
c.LENGTH,
c.DEFAULT,
c.NULLS,
c.COLNO
FROM SYSCAT.COLUMNS c
WHERE c.TABSCHEMA NOT LIKE 'SYS%' AND
c.TABNAME = ?
ORDER BY COLNO
SQL
my $consth = $dbh->prepare(<<SQL);
SELECT tc.TABSCHEMA,
tc.TABNAME,
kc.CONSTNAME,
kc.COLNAME,
tc.TYPE,
tc.CHECKEXISTINGDATA
FROM SYSCAT.TABCONST tc
JOIN SYSCAT.KEYCOLUSE kc ON tc.CONSTNAME = kc.CONSTNAME AND
tc.TABSCHEMA = kc.TABSCHEMA AND
tc.TABNAME = kc.TABNAME
WHERE tc.TABSCHEMA NOT LIKE 'SYS%' AND
tc.TABNAME = ?
SQL
my $indsth = $dbh->prepare(<<SQL);
SELECT i.INDSCHEMA,
i.INDNAME,
i.TABSCHEMA,
i.TABNAME,
i.UNIQUERULE,
i.INDEXTYPE,
ic.COLNAME
FROM SYSCAT.INDEXES i
JOIN SYSCAT.INDEXCOLUSE ic ON i.INDSCHEMA = ic.INDSCHEMA AND
i.INDNAME = ic.INDNAME
WHERE i.TABSCHEMA NOT LIKE 'SYS%' AND
i.INDEXTYPE <> 'P' AND
i.TABNAME = ?
SQL
my $trigsth = $dbh->prepare(<<SQL);
SELECT t.TRIGSCHEMA,
t.TRIGNAME,
t.TABSCHEMA,
t.TRIGTIME,
t.TRIGEVENT,
t.GRANULARITY,
t.TEXT
FROM SYSCAT.TRIGGERS t
WHERE t.TABSCHEMA NOT LIKE 'SYS%' AND
t.TABNAME = ?
SQL
$tabsth->execute();
@tables = @{$tabsth->fetchall_arrayref({})};
foreach my $table_info (@tables) {
next
unless (defined($table_info->{TYPE}));
# Why are we not getting system tables, maybe a parameter should decide?
if ($table_info->{TYPE} eq 'T'&&
$table_info->{TABSCHEMA} !~ /^SYS/) {
print Dumper($table_info) if($DEBUG);
print $table_info->{TABNAME} if($DEBUG);
my $table = $schema->add_table(
name => $table_info->{TABNAME},
type => 'TABLE',
) || die $schema->error;
$table->options("TABLESPACE", $table_info->{TBSPACE});
$colsth->execute($table_info->{TABNAME});
my $cols = $colsth->fetchall_hashref("COLNAME");
foreach my $c (values %{$cols}) {
print Dumper($c) if $DEBUG;
print $c->{COLNAME} if($DEBUG);
my $f = $table->add_field(
name => $c->{COLNAME},
default_value => $c->{DEFAULT},
data_type => $c->{TYPENAME},
order => $c->{COLNO},
size => $c->{LENGTH},
) || die $table->error;
$f->is_nullable($c->{NULLS} eq 'Y');
}
$consth->execute($table_info->{TABNAME});
my $cons = $consth->fetchall_hashref("COLNAME");
next if(!%$cons);
my @fields = map { $_->{COLNAME} } (values %{$cons});
my $c = $cons->{$fields[0]};
print $c->{CONSTNAME} if($DEBUG);
my $con = $table->add_constraint(
name => $c->{CONSTNAME},
fields => \@fields,
type => $c->{TYPE} eq 'P' ?
PRIMARY_KEY : $c->{TYPE} eq 'F' ?
FOREIGN_KEY : UNIQUE
) || die $table->error;
$con->deferrable($c->{CHECKEXISTINGDATA} eq 'D');
$indsth->execute($table_info->{TABNAME});
my $inds = $indsth->fetchall_hashref("INDNAME");
print Dumper($inds) if($DEBUG);
next if(!%$inds);
foreach my $ind (keys %$inds)
{
print $ind if($DEBUG);
$indsth->execute($table_info->{TABNAME});
my $indcols = $indsth->fetchall_hashref("COLNAME");
next if($inds->{$ind}{UNIQUERULE} eq 'P');
print Dumper($indcols) if($DEBUG);
my @fields = map { $_->{INDNAME} eq $ind ? $_->{COLNAME} : () }
(values %{$indcols});
my $index = $indcols->{$fields[0]};
my $inew = $table->add_index(
name => $index->{INDNAME},
fields => \@fields,
type => $index->{UNIQUERULE} eq 'U' ?
UNIQUE : NORMAL
) || die $table->error;
}
$trigsth->execute($table_info->{TABNAME});
my $trigs = $trigsth->fetchall_hashref("TRIGNAME");
print Dumper($trigs);
next if(!%$trigs);
foreach my $t (values %$trigs)
{
print $t->{TRIGNAME} if($DEBUG);
my $trig = $schema->add_trigger(
name => $t->{TRIGNAME},
# fields => \@fields,
perform_action_when => $t->{TRIGTIME} eq 'A' ? 'after' :
$t->{TRIGTIME} eq 'B' ? 'before':
'instead',
database_event => $t->{TRIGEVENT} eq 'I' ? 'insert'
: $t->{TRIGEVENT} eq 'D' ? 'delete'
: 'update',
action => $t->{TEXT},
on_table => $t->{TABNAME}
) || die $schema->error;
# $trig->extra( reference => $def->{'reference'},
# condition => $def->{'condition'},
# granularity => $def->{'granularity'} );
}
}
}
return 1;
}
1;
# -------------------------------------------------------------------
# Time is a waste of money.
# Oscar Wilde
# -------------------------------------------------------------------
=pod
=head1 AUTHOR
Jess Robinson <lt>castaway@desert-island.m.isar.de<gt>.
=head1 SEE ALSO
SQL::Translator, DBD::DB2.
=cut
|