/usr/share/perl5/SQL/Translator/Parser/DBI/Sybase.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::Sybase - parser for DBD::Sybase
=head1 SYNOPSIS
See SQL::Translator::Parser::DBI.
=head1 DESCRIPTION
Uses DBI Catalog Methods.
=cut
use strict;
use warnings;
use DBI;
use SQL::Translator::Schema;
use Data::Dumper;
our ( $DEBUG, @EXPORT_OK );
our $VERSION = '1.59';
$DEBUG = 0 unless defined $DEBUG;
no strict 'refs';
sub parse {
my ( $tr, $dbh ) = @_;
if ($dbh->{FetchHashKeyName} ne 'NAME_uc') {
warn "setting dbh attribute {FetchHashKeyName} to NAME_uc";
$dbh->{FetchHashKeyName} = 'NAME_uc';
}
if ($dbh->{ChopBlanks} != 1) {
warn "setting dbh attribute {ChopBlanks} to 1";
$dbh->{ChopBlanks} = 1;
}
my $schema = $tr->schema;
my ($sth, @tables, $columns);
my $stuff;
### Columns
# it is much quicker to slurp back everything all at once rather
# than make repeated calls
$sth = $dbh->column_info(undef, undef, undef, undef);
foreach my $c (@{$sth->fetchall_arrayref({})}) {
$columns
->{$c->{TABLE_CAT}}
->{$c->{TABLE_SCHEM}}
->{$c->{TABLE_NAME}}
->{columns}
->{$c->{COLUMN_NAME}}= $c;
}
### Tables and views
# Get a list of the tables and views.
$sth = $dbh->table_info();
@tables = @{$sth->fetchall_arrayref({})};
my $h = $dbh->selectall_arrayref(q{
SELECT o.name, colid,colid2,c.text
FROM syscomments c
JOIN sysobjects o
ON c.id = o.id
WHERE o.type ='V'
ORDER BY o.name,
c.colid,
c.colid2
}
);
# View text
# I had always thought there was something 'hard' about
# reconstructing text from syscomments ..
# this seems to work fine and is certainly not complicated!
foreach (@{$h}) {
$stuff->{view}->{$_->[0]}->{text} .= $_->[3];
}
#### objects with indexes.
map {
$stuff->{indexes}->{$_->[0]}++
if defined;
} @{$dbh->selectall_arrayref("SELECT DISTINCT object_name(id) AS name
FROM sysindexes
WHERE indid > 0")};
## slurp objects
map {
$stuff->{$_->[1]}->{$_->[0]} = $_;
} @{$dbh->selectall_arrayref("SELECT name,type, id FROM sysobjects")};
### Procedures
# This gets legitimate procedures by used the 'supported' API: sp_stored_procedures
map {
my $n = $_->{PROCEDURE_NAME};
$n =~ s/;\d+$//; # Ignore versions for now
$_->{name} = $n;
$stuff->{procedures}->{$n} = $_;
} values %{$dbh->selectall_hashref("sp_stored_procedures", 'PROCEDURE_NAME')};
# And this blasts in the text of 'legit' stored procedures. Do
# this rather than calling sp_helptext in a loop.
$h = $dbh->selectall_arrayref(q{
SELECT o.name, colid,colid2,c.text
FROM syscomments c
JOIN sysobjects o
ON c.id = o.id
WHERE o.type ='P'
ORDER BY o.name,
c.colid,
c.colid2
}
);
foreach (@{$h}) {
$stuff->{procedures}->{$_->[0]}->{text} .= $_->[3]
if (defined($stuff->{procedures}->{$_->[0]}));
}
### Defaults
### Rules
### Bind Defaults
### Bind Rules
### Triggers
# Since the 'target' of the trigger is defined in the text, we will
# just create them independently for now rather than associating them
# with a table.
$h = $dbh->selectall_arrayref(q{
SELECT o.name, colid,colid2,c.text
FROM syscomments c
JOIN sysobjects o
ON c.id = o.id
JOIN sysobjects o1
ON (o.id = o1.instrig OR o.id = o1.deltrig or o.id = o1.updtrig)
WHERE o.type ='TR'
ORDER BY o.name,
c.colid,
c.colid2
}
);
foreach (@{$h}) {
$stuff->{triggers}->{$_->[0]}->{text} .= $_->[3];
}
### References
### Keys
### Types
# Not sure what to do with these?
$stuff->{type_info_all} = $dbh->type_info_all;
### Tables
# According to the DBI docs, these can be
# "TABLE"
# "VIEW"
# "SYSTEM TABLE"
# "GLOBAL TEMPORARY",
# "LOCAL TEMPORARY"
# "ALIAS"
# "SYNONYM"
foreach my $table_info (@tables) {
next
unless (defined($table_info->{TABLE_TYPE}));
if ($table_info->{TABLE_TYPE} =~ /TABLE/) {
my $table = $schema->add_table(
name =>
$table_info->{TABLE_NAME},
type =>
$table_info->{TABLE_TYPE},
) || die $schema->error;
# find the associated columns
my $cols =
$columns->{$table_info->{TABLE_QUALIFIER}}
->{$table_info->{TABLE_OWNER}}
->{$table_info->{TABLE_NAME}}
->{columns};
foreach my $c (values %{$cols}) {
my $f = $table->add_field(
name => $c->{COLUMN_NAME},
data_type => $c->{TYPE_NAME},
order => $c->{ORDINAL_POSITION},
size => $c->{COLUMN_SIZE},
) || die $table->error;
$f->is_nullable(1)
if ($c->{NULLABLE} == 1);
}
# add in primary key
my $h = $dbh->selectall_hashref("sp_pkeys
[$table_info->{TABLE_NAME}]", 'COLUMN_NAME');
if (scalar keys %{$h} > 1) {
my @c = map {
$_->{COLUMN_NAME}
} sort {
$a->{KEY_SEQ} <=> $b->{KEY_SEQ}
} values %{$h};
$table->primary_key(@c)
if (scalar @c);
}
# add in any indexes ... how do we tell if the index has
# already been created as part of a primary key or other
# constraint?
if (defined($stuff->{indexes}->{$table_info->{TABLE_NAME}})){
my $h = $dbh->selectall_hashref("sp_helpindex
[$table_info->{TABLE_NAME}]", 'INDEX_NAME');
foreach (values %{$h}) {
my $fields = $_->{'INDEX_KEYS'};
$fields =~ s/\s*//g;
my $i = $table->add_index(
name =>
$_->{INDEX_NAME},
fields => $fields,
);
if ($_->{'INDEX_DESCRIPTION'} =~ /unique/i) {
$i->type('unique');
# we could make this a primary key if there
# isn't already one defined and if there
# aren't any nullable columns in thisindex.
if (!defined($table->primary_key())) {
$table->primary_key($fields)
unless grep {
$table->get_field($_)->is_nullable()
} split(/,\s*/, $fields);
}
}
}
}
} elsif ($table_info->{TABLE_TYPE} eq 'VIEW') {
my $view = $schema->add_view(
name =>
$table_info->{TABLE_NAME},
);
my $cols =
$columns->{$table_info->{TABLE_QUALIFIER}}
->{$table_info->{TABLE_OWNER}}
->{$table_info->{TABLE_NAME}}
->{columns};
$view->fields(map {
$_->{COLUMN_NAME}
} sort {
$a->{ORDINAL_POSITION} <=> $b->{ORDINAL_POSITION}
} values %{$cols}
);
$view->sql($stuff->{view}->{$table_info->{TABLE_NAME}}->{text})
if (defined($stuff->{view}->{$table_info->{TABLE_NAME}}->{text}));
}
}
foreach my $p (values %{$stuff->{procedures}}) {
my $proc = $schema->add_procedure(
name => $p->{name},
owner => $p->{PROCEDURE_OWNER},
comments => $p->{REMARKS},
sql => $p->{text},
);
}
### Permissions
### Groups
### Users
### Aliases
### Logins
return 1;
}
1;
=pod
=head1 AUTHOR
Paul Harrington E<lt>harringp@deshaw.comE<gt>.
=head1 SEE ALSO
DBI, DBD::Sybase, SQL::Translator::Schema.
=cut
|