use strict;
use warnings;
+use Scope::Guard ();
+use Context::Preserve ();
+use Try::Tiny;
=head1 NAME
=cut
-my %ora_reserved = map { $_, 1 } qw(
- ACCESS ADD ALL ALTER AND ANY AS ASC AUDIT BETWEEN BY CHAR CHECK
- CLUSTER COLUMN COMMENT COMPRESS CONNECT CREATE CURRENT DATE DECIMAL
- DEFAULT DELETE DESC DISTINCT DROP ELSE EXCLUSIVE EXISTS FILE FLOAT
- FOR FROM GRANT GROUP HAVING IDENTIFIED IMMEDIATE IN INCREMENT
- INDEX INITIAL INSERT INTEGER INTERSECT INTO IS LEVEL LIKE LOCK
- LONG MAXEXTENTS MINUS MLSLABEL MODE MODIFY NOAUDIT NOCOMPRESS NOT
- NOWAIT NULL NUMBER OF OFFLINE ON ONLINE OPTION OR ORDER PCTFREE
- PRIOR PRIVILEGES PUBLIC RAW RENAME RESOURCE REVOKE ROW ROWID ROWNUM
- ROWS SELECT SESSION SET SHARE SIZE SMALLINT START SUCCESSFUL SYNONYM
- SYSDATE TABLE THEN TO TRIGGER UID UNION UNIQUE UPDATE USER VALIDATE
- VALUES VARCHAR VARCHAR2 VIEW WHENEVER WHERE WITH
-);
-
use base qw/DBIx::Class::Storage::DBI/;
use mro 'c3';
my ($schema, $type, $version, $dir, $sqltargs, @rest) = @_;
$sqltargs ||= {};
- my $quote_char = $self->schema->storage->{'_sql_maker_opts'}->{'quote_char'};
- $sqltargs->{quote_table_names} = 0 unless $quote_char;
- $sqltargs->{quote_field_names} = 0 unless $quote_char;
+ 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 = eval { $self->_get_dbh->get_info(18) };
- $self->next::method($schema, $type, $version, $dir, $sqltargs, @rest);
+ $sqltargs->{producer_args}{oracle_version} = $oracle_version;
+
+ $self->next::method($schema, $type, $version, $dir, $sqltargs, @rest);
}
sub _dbh_last_insert_id {
sub _dbh_get_autoinc_seq {
my ($self, $dbh, $source, $col) = @_;
- # check if quoting is on
- my $quote_char = $self->schema->storage->{'_sql_maker_opts'}->{'quote_char'};
+ my $sql_maker = $self->sql_maker;
- # 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'
- };
+ my $source_name;
+ if ( ref $source->name eq 'SCALAR' ) {
+ $source_name = ${$source->name};
+ }
+ else {
+ $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);
- my $sth;
+ # 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 => 'INSERT',
+ status => 'ENABLED',
+ },
+ );
+ my $sth = $dbh->prepare($sql);
+ $sth->execute (@bind);
- my $source_name;
- if ( ref $source->name ne 'SCALAR' ) {
- $source_name = $source->name;
- }
- else {
- $source_name = ${$source->name};
- }
- $source_name = uc($source_name) unless $quote_char;
-
- # 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);
- my $table_name = $self -> sql_maker -> _quote($table);
- #my $schema_name = $self -> sql_maker -> _quote($schema);
- my $schema_name = uc($schema);
-
- $sth->execute( $schema_name, $table_name );
- }
- else {
- $sth = $dbh->prepare($sql);
- $sth->execute( $source_name );
- }
while (my ($insert_trigger) = $sth->fetchrow_array) {
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");
+ my $rc = 1;
+ try {
+ $dbh->do('select 1 from dual');
+ } catch {
+ $rc = 0;
};
- return $@ ? 0 : 1;
+ return $rc;
}
sub _dbh_execute {
RETRY: {
do {
- eval {
+ my $exception;
+ try {
if ($wantarray) {
@res = $self->next::method(@_);
} else {
$res[0] = $self->next::method(@_);
}
+ } catch {
+ $exception = shift;
};
- $exception = $@;
if ($exception =~ /ORA-01003/) {
# ORA-01003: no statement parsed (someone changed the table somehow,
# invalidating your cursor.)
$self->throw_exception($exception) if $exception;
- wantarray ? @res : $res[0]
+ $wantarray ? @res : $res[0]
}
=head2 get_autoinc_seq
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.
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>.