use strict;
use warnings;
+use Scope::Guard ();
+use Context::Preserve ();
+use Try::Tiny;
=head1 NAME
use base qw/DBIx::Class::Storage::DBI/;
use mro 'c3';
+sub deployment_statements {
+ my $self = shift;;
+ my ($schema, $type, $version, $dir, $sqltargs, @rest) = @_;
+
+ $sqltargs ||= {};
+ my $quote_char = $self->schema->storage->sql_maker->quote_char;
+ $sqltargs->{quote_table_names} = $quote_char ? 1 : 0;
+ $sqltargs->{quote_field_names} = $quote_char ? 1 : 0;
+
+ my $oracle_version = try { $self->_get_dbh->get_info(18) };
+
+ $sqltargs->{producer_args}{oracle_version} = $oracle_version;
+
+ $self->next::method($schema, $type, $version, $dir, $sqltargs, @rest);
+}
+
sub _dbh_last_insert_id {
my ($self, $dbh, $source, @columns) = @_;
my @ids = ();
sub _dbh_get_autoinc_seq {
my ($self, $dbh, $source, $col) = @_;
- # look up the correct sequence automatically
- my $sql = q{
- SELECT trigger_body FROM ALL_TRIGGERS t
- WHERE t.table_name = ?
- AND t.triggering_event = 'INSERT'
- AND t.status = 'ENABLED'
- };
-
- # trigger_body is a LONG
- local $dbh->{LongReadLen} = 64 * 1024 if ($dbh->{LongReadLen} < 64 * 1024);
-
- my $sth;
+ my $sql_maker = $self->sql_maker;
my $source_name;
- if ( ref $source->name ne 'SCALAR' ) {
- $source_name = $source->name;
+ if ( ref $source->name eq 'SCALAR' ) {
+ $source_name = ${$source->name};
}
else {
- $source_name = ${$source->name};
+ $source_name = $source->name;
}
+ $source_name = uc($source_name) unless $sql_maker->quote_char;
+
+ # trigger_body is a LONG
+ local $dbh->{LongReadLen} = 64 * 1024 if ($dbh->{LongReadLen} < 64 * 1024);
+
+ # disable default bindtype
+ local $sql_maker->{bindtype} = 'normal';
+
+ # look up the correct sequence automatically
+ my ( $schema, $table ) = $source_name =~ /(\w+)\.(\w+)/;
+ my ($sql, @bind) = $sql_maker->select (
+ 'ALL_TRIGGERS',
+ ['trigger_body'],
+ {
+ $schema ? (owner => $schema) : (),
+ table_name => $table || $source_name,
+ triggering_event => { -like => '%INSERT%' },
+ status => 'ENABLED',
+ },
+ );
+ my $sth = $dbh->prepare($sql);
+ $sth->execute (@bind);
- # check for fully-qualified name (eg. SCHEMA.TABLENAME)
- if ( my ( $schema, $table ) = $source_name =~ /(\w+)\.(\w+)/ ) {
- $sql = q{
- SELECT trigger_body FROM ALL_TRIGGERS t
- WHERE t.owner = ? AND t.table_name = ?
- AND t.triggering_event = 'INSERT'
- AND t.status = 'ENABLED'
- };
- $sth = $dbh->prepare($sql);
- $sth->execute( uc($schema), uc($table) );
- }
- else {
- $sth = $dbh->prepare($sql);
- $sth->execute( uc( $source_name ) );
- }
while (my ($insert_trigger) = $sth->fetchrow_array) {
- return uc($1) if $insert_trigger =~ m!(\w+)\.nextval!i; # col name goes here???
+ return $1 if $insert_trigger =~ m!("?\w+"?)\.nextval!i; # col name goes here???
}
- $self->throw_exception("Unable to find a sequence INSERT trigger on table '" . $source->name . "'.");
+ $self->throw_exception("Unable to find a sequence INSERT trigger on table '$source_name'.");
}
sub _sequence_fetch {
my $dbh = $self->_dbh or return 0;
local $dbh->{RaiseError} = 1;
+ local $dbh->{PrintError} = 0;
- eval {
- $dbh->do("select 1 from dual");
+ return try {
+ $dbh->do('select 1 from dual');
+ 1;
+ } catch {
+ 0;
};
-
- return $@ ? 0 : 1;
}
sub _dbh_execute {
my $self = shift;
my ($dbh, $op, $extra_bind, $ident, $bind_attributes, @args) = @_;
- my $wantarray = wantarray;
-
- my (@res, $exception, $retried);
-
- RETRY: {
- do {
- eval {
- if ($wantarray) {
- @res = $self->next::method(@_);
- } else {
- $res[0] = $self->next::method(@_);
- }
- };
- $exception = $@;
- if ($exception =~ /ORA-01003/) {
+ my (@res, $retried);
+ my $wantarray = wantarray();
+ my $next = $self->next::can;
+ while (1) {
+ try {
+ my $exec = sub { $self->$next($dbh, $op, $extra_bind, $ident, $bind_attributes, @args) };
+
+ if (!defined $wantarray) {
+ $exec->();
+ }
+ elsif (! $wantarray) {
+ $res[0] = $exec->();
+ }
+ else {
+ @res = $exec->();
+ }
+ }
+ catch {
+ if (!$retried++ and $_ =~ /ORA-01003/) {
# ORA-01003: no statement parsed (someone changed the table somehow,
# invalidating your cursor.)
my ($sql, $bind) = $self->_prep_for_execute($op, $extra_bind, $ident, \@args);
delete $dbh->{CachedKids}{$sql};
- } else {
- last RETRY;
}
- } while (not $retried++);
+ else {
+ $self->throw_exception($_);
+ }
+ };
}
- $self->throw_exception($exception) if $exception;
-
- wantarray ? @res : $res[0]
+ return $wantarray ? @res : $res[0];
}
=head2 get_autoinc_seq
$self->dbh_do('_dbh_get_autoinc_seq', $source, $col);
}
-=head2 columns_info_for
-
-This wraps the superclass version of this method to force table
-names to uppercase
-
-=cut
-
-sub columns_info_for {
- my ($self, $table) = @_;
-
- $self->next::method(uc($table));
-}
-
=head2 datetime_parser_type
This sets the proper DateTime::Format module for use with
on_connect_call => 'datetime_setup'
-In L<DBIx::Class::Storage::DBI/connect_info> to set the session nls date, and
-timestamp values for use with L<DBIx::Class::InflateColumn::DateTime> and the
-necessary environment variables for L<DateTime::Format::Oracle>, which is used
-by it.
+In L<connect_info|DBIx::Class::Storage::DBI/connect_info> to set the session nls
+date, and timestamp values for use with L<DBIx::Class::InflateColumn::DateTime>
+and the necessary environment variables for L<DateTime::Format::Oracle>, which
+is used by it.
Maximum allowable precision is used, unless the environment variables have
already been set.
if ($DBD::Oracle::VERSION eq '1.23') {
$self->throw_exception(
"BLOB/CLOB support in DBD::Oracle == 1.23 is broken, use an earlier or later ".
-"version"
+"version.\n\nSee: https://rt.cpan.org/Public/Bug/Display.html?id=46016\n"
);
}
return $new_alias;
}
+=head2 with_deferred_fk_checks
+
+Runs a coderef between:
+
+ alter session set constraints = deferred
+ ...
+ alter session set constraints = immediate
+
+to defer foreign key checks.
+
+Constraints must be declared C<DEFERRABLE> for this to work.
+
+=cut
+
+sub with_deferred_fk_checks {
+ my ($self, $sub) = @_;
+
+ my $txn_scope_guard = $self->txn_scope_guard;
+
+ $self->_do_query('alter session set constraints = deferred');
+
+ my $sg = Scope::Guard->new(sub {
+ $self->_do_query('alter session set constraints = immediate');
+ });
+
+ return Context::Preserve::preserve_context(sub { $sub->() },
+ after => sub { $txn_scope_guard->commit });
+}
+
=head1 AUTHOR
See L<DBIx::Class/CONTRIBUTORS>.
projects / dbsrgits/DBIx-Class.git / blobdiff