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package SL::Auth::ColumnInformation;
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use strict;
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use Carp;
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use Scalar::Util qw(weaken);
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use SL::DBUtils;
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sub new {
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my ($class, %params) = @_;
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my $self = bless {}, $class;
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$self->{auth} = $params{auth} || croak "Missing 'auth'";
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weaken $self->{auth};
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return $self;
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}
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sub _fetch {
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my ($self) = @_;
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return $self if $self->{info};
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$self->{info} = {};
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foreach my $table (qw(session session_content)) {
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my $query = <<SQL;
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SELECT a.attname, format_type(a.atttypid, a.atttypmod) AS format_type, d.adsrc, a.attnotnull
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FROM pg_attribute a
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LEFT JOIN pg_attrdef d ON (a.attrelid = d.adrelid) AND (a.attnum = d.adnum)
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WHERE (a.attrelid = 'auth.${table}'::regclass)
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AND (a.attnum > 0)
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AND NOT a.attisdropped
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ORDER BY a.attnum
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SQL
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$self->{info}->{$table} = { selectall_as_map($::form, $self->{auth}->dbconnect, $query, 'attname', [ qw(format_type adsrc attnotnull) ]) };
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}
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return $self;
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}
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sub info {
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my ($self) = @_;
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return $self->_fetch->{info};
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}
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sub has {
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my ($self, $column, $table) = @_;
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return $self->info->{$table || 'session_content'}->{$column};
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}
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1;
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