use Data::Dumper::Concise();
use Sub::Name ();
-# what version of sqlt do we require if deploy() without a ddl_dir is invoked
-# when changing also adjust the corresponding author_require in Makefile.PL
-my $minimum_sqlt_version = '0.11002';
-
-
__PACKAGE__->mk_group_accessors('simple' =>
qw/_connect_info _dbi_connect_info _dbh _sql_maker _sql_maker_opts _conn_pid
_conn_tid transaction_depth _dbh_autocommit _driver_determined savepoints/
# Each of these methods need _determine_driver called before itself
# in order to function reliably. This is a purely DRY optimization
my @rdbms_specific_methods = qw/
+ deployment_statements
sqlt_type
build_datetime_parser
datetime_parser_type
In addition to the standard L<DBI|DBI/ATTRIBUTES_COMMON_TO_ALL_HANDLES>
L<connection|DBI/Database_Handle_Attributes> attributes, DBIx::Class recognizes
the following connection options. These options can be mixed in with your other
-L<DBI> connection attributes, or placed in a seperate hashref
+L<DBI> connection attributes, or placed in a separate hashref
(C<\%extra_attributes>) as shown above.
Every time C<connect_info> is invoked, any previous settings for
=item name_sep
This only needs to be used in conjunction with C<quote_char>, and is used to
-specify the charecter that seperates elements (schemas, tables, columns) from
+specify the character that separates elements (schemas, tables, columns) from
each other. In most cases this is simply a C<.>.
The consequences of not supplying this value is that L<SQL::Abstract>
@args = @args[0,1,2];
}
- $info{arguments} = \@args;
+ $info{arguments} = \@args;
my @storage_opts = grep exists $attrs{$_},
@storage_options, 'cursor_class';
=back
-Verifies that the the current database handle is active and ready to execute
-an SQL statement (i.e. the connection did not get stale, server is still
+Verifies that the current database handle is active and ready to execute
+an SQL statement (e.g. the connection did not get stale, server is still
answering, etc.) This method is used internally by L</dbh>.
=cut
else {
# try to use dsn to not require being connected, the driver may still
# force a connection in _rebless to determine version
- ($driver) = $self->_dbi_connect_info->[0] =~ /dbi:([^:]+):/i;
+ # (dsn may not be supplied at all if all we do is make a mock-schema)
+ my $dsn = $self->_dbi_connect_info->[0] || '';
+ ($driver) = $dsn =~ /dbi:([^:]+):/i;
}
}
- my $storage_class = "DBIx::Class::Storage::DBI::${driver}";
- if ($self->load_optional_class($storage_class)) {
- mro::set_mro($storage_class, 'c3');
- bless $self, $storage_class;
- $self->_rebless();
+ if ($driver) {
+ my $storage_class = "DBIx::Class::Storage::DBI::${driver}";
+ if ($self->load_optional_class($storage_class)) {
+ mro::set_mro($storage_class, 'c3');
+ bless $self, $storage_class;
+ $self->_rebless();
+ }
}
}
);
}
+ # neither _execute_array, nor _execute_inserts_with_no_binds are
+ # atomic (even if _execute _array is a single call). Thus a safety
+ # scope guard
+ my $guard = $self->txn_scope_guard unless $self->{transaction_depth} != 0;
+
$self->_query_start( $sql, ['__BULK__'] );
my $sth = $self->sth($sql);
-
my $rv = do {
if ($empty_bind) {
# bind_param_array doesn't work if there are no binds
$self->_query_end( $sql, ['__BULK__'] );
+
+ $guard->commit if $guard;
+
return (wantarray ? ($rv, $sth, @bind) : $rv);
}
sub _execute_array {
my ($self, $source, $sth, $bind, $cols, $data, @extra) = @_;
- my $guard = $self->txn_scope_guard unless $self->{transaction_depth} != 0;
-
## This must be an arrayref, else nothing works!
my $tuple_status = [];
}),
);
}
-
- $guard->commit if $guard;
-
return $rv;
}
sub _dbh_execute_inserts_with_no_binds {
my ($self, $sth, $count) = @_;
- my $guard = $self->txn_scope_guard unless $self->{transaction_depth} != 0;
-
eval {
my $dbh = $self->_get_dbh;
local $dbh->{RaiseError} = 1;
$self->throw_exception($exception) if $exception;
- $guard->commit if $guard;
-
return $count;
}
sub update {
- my ($self, $source, @args) = @_;
+ my ($self, $source, @args) = @_;
my $bind_attrs = $self->source_bind_attributes($source);
my $rsrc = $rs->result_source;
# quick check if we got a sane rs on our hands
- my @pcols = $rsrc->primary_columns;
- unless (@pcols) {
- $self->throw_exception (
- sprintf (
- "You must declare primary key(s) on source '%s' (via set_primary_key) in order to update or delete complex resultsets",
- $rsrc->source_name || $rsrc->from
- )
- );
- }
+ my @pcols = $rsrc->_pri_cols;
my $sel = $rs->_resolved_attrs->{select};
$sel = [ $sel ] unless ref $sel eq 'ARRAY';
my ($rs, $op, $values) = @_;
my $rsrc = $rs->result_source;
- my @pcols = $rsrc->primary_columns;
+ my @pcols = $rsrc->_pri_cols;
my $guard = $self->txn_scope_guard;
my $row_cnt = '0E0';
my $subrs_cur = $rs->cursor;
- while (my @pks = $subrs_cur->next) {
+ my @all_pk = $subrs_cur->all;
+ for my $pks ( @all_pk) {
my $cond;
for my $i (0.. $#pcols) {
- $cond->{$pcols[$i]} = $pks[$i];
+ $cond->{$pcols[$i]} = $pks->[$i];
}
$self->$op (
select => $select,
from => $ident,
where => $where,
- $rs_alias
+ $rs_alias && $alias2source->{$rs_alias}
? ( _source_handle => $alias2source->{$rs_alias}->handle )
: ()
,
&&
(ref $ident eq 'ARRAY' && @$ident > 1) # indicates a join
&&
- scalar $sql_maker->_order_by_chunks ($attrs->{order_by})
+ scalar $self->_parse_order_by ($attrs->{order_by})
) {
# the RNO limit dialect above mangles the SQL such that the join gets lost
# wrap a subquery here
push @limit, $attrs->{rows}, $attrs->{offset};
}
+ # try to simplify the joinmap further (prune unreferenced type-single joins)
+ $ident = $self->_prune_unused_joins ($ident, $select, $where, $attrs);
+
###
# This would be the point to deflate anything found in $where
# (and leave $attrs->{bind} intact). Problem is - inflators historically
#
sub _subq_count_select {
my ($self, $source, $rs_attrs) = @_;
- return $rs_attrs->{group_by} if $rs_attrs->{group_by};
+
+ if (my $groupby = $rs_attrs->{group_by}) {
+
+ my $avail_columns = $self->_resolve_column_info ($rs_attrs->{from});
+
+ my $sel_index;
+ for my $sel (@{$rs_attrs->{select}}) {
+ if (ref $sel eq 'HASH' and $sel->{-as}) {
+ $sel_index->{$sel->{-as}} = $sel;
+ }
+ }
+
+ my @selection;
+ for my $g_part (@$groupby) {
+ if (ref $g_part or $avail_columns->{$g_part}) {
+ push @selection, $g_part;
+ }
+ elsif ($sel_index->{$g_part}) {
+ push @selection, $sel_index->{$g_part};
+ }
+ else {
+ $self->throw_exception ("group_by criteria '$g_part' not contained within current resultset source(s)");
+ }
+ }
+
+ return \@selection;
+ }
my @pcols = map { join '.', $rs_attrs->{alias}, $_ } ($source->primary_columns);
return @pcols ? \@pcols : [ 1 ];
=cut
sub _dbh_last_insert_id {
- # All Storage's need to register their own _dbh_last_insert_id
- # the old SQLite-based method was highly inappropriate
+ my ($self, $dbh, $source, $col) = @_;
- my $self = shift;
- my $class = ref $self;
- $self->throw_exception (<<EOE);
+ my $id = eval { $dbh->last_insert_id (undef, undef, $source->name, $col) };
-No _dbh_last_insert_id() method found in $class.
-Since the method of obtaining the autoincrement id of the last insert
-operation varies greatly between different databases, this method must be
-individually implemented for every storage class.
-EOE
+ return $id if defined $id;
+
+ my $class = ref $self;
+ $self->throw_exception ("No storage specific _dbh_last_insert_id() method implemented in $class, and the generic DBI::last_insert_id() failed");
}
sub last_insert_id {
sub create_ddl_dir {
my ($self, $schema, $databases, $version, $dir, $preversion, $sqltargs) = @_;
- if(!$dir || !-d $dir) {
+ unless ($dir) {
carp "No directory given, using ./\n";
- $dir = "./";
+ $dir = './';
}
+
+ $self->throw_exception ("Directory '$dir' does not exist\n") unless(-d $dir);
+
$databases ||= ['MySQL', 'SQLite', 'PostgreSQL'];
$databases = [ $databases ] if(ref($databases) ne 'ARRAY');
%{$sqltargs || {}}
};
- $self->throw_exception("Can't create a ddl file without SQL::Translator: " . $self->_sqlt_version_error)
- if !$self->_sqlt_version_ok;
+ unless (DBIx::Class::Optional::Dependencies->req_ok_for ('deploy')) {
+ $self->throw_exception("Can't create a ddl file without " . DBIx::Class::Optional::Dependencies->req_missing_for ('deploy') );
+ }
my $sqlt = SQL::Translator->new( $sqltargs );
return join('', @rows);
}
- $self->throw_exception("Can't deploy without either SQL::Translator or a ddl_dir: " . $self->_sqlt_version_error )
- if !$self->_sqlt_version_ok;
+ unless (DBIx::Class::Optional::Dependencies->req_ok_for ('deploy') ) {
+ $self->throw_exception("Can't deploy without a ddl_dir or " . DBIx::Class::Optional::Dependencies->req_missing_for ('deploy') );
+ }
# sources needs to be a parser arg, but for simplicty allow at top level
# coming in
}
$self->_query_end($line);
};
- my @statements = $self->deployment_statements($schema, $type, undef, $dir, { %{ $sqltargs || {} }, no_comments => 1 } );
+ my @statements = $schema->deployment_statements($type, undef, $dir, { %{ $sqltargs || {} }, no_comments => 1 } );
if (@statements > 1) {
foreach my $statement (@statements) {
$deploy->( $statement );
return;
}
-# SQLT version handling
-{
- my $_sqlt_version_ok; # private
- my $_sqlt_version_error; # private
-
- sub _sqlt_version_ok {
- if (!defined $_sqlt_version_ok) {
- eval "use SQL::Translator $minimum_sqlt_version";
- if ($@) {
- $_sqlt_version_ok = 0;
- $_sqlt_version_error = $@;
- }
- else {
- $_sqlt_version_ok = 1;
- }
- }
- return $_sqlt_version_ok;
- }
-
- sub _sqlt_version_error {
- shift->_sqlt_version_ok unless defined $_sqlt_version_ok;
- return $_sqlt_version_error;
- }
-
- sub _sqlt_minimum_version { $minimum_sqlt_version };
-}
-
=head2 relname_to_table_alias
=over 4
This hook is to allow specific L<DBIx::Class::Storage> drivers to change the
way these aliases are named.
-The default behavior is C<"$relname_$join_count" if $join_count > 1>, otherwise
-C<"$relname">.
+The default behavior is C<< "$relname_$join_count" if $join_count > 1 >>,
+otherwise C<"$relname">.
=cut
# some databases need this to stop spewing warnings
if (my $dbh = $self->_dbh) {
local $@;
- eval { $dbh->disconnect };
+ eval {
+ %{ $dbh->{CachedKids} } = ();
+ $dbh->disconnect;
+ };
}
$self->_dbh(undef);
projects / dbsrgits/DBIx-Class.git / blobdiff