}
}
- %attrs = () if (ref $args[0] eq 'CODE'); # _connect() never looks past $args[0] in this case
+ if (ref $args[0] eq 'CODE') {
+ # _connect() never looks past $args[0] in this case
+ %attrs = ()
+ } else {
+ %attrs = (%{ $self->_dbi_connect_attributes }, %attrs);
+ }
$self->_dbi_connect_info([@args, keys %attrs ? \%attrs : ()]);
$self->_connect_info;
}
+sub _dbi_connect_attributes {
+ return { AutoCommit => 1 };
+}
+
=head2 on_connect_do
This method is deprecated in favour of setting via L</connect_info>.
sub disconnect {
my ($self) = @_;
- if( $self->connected ) {
+ if( $self->_dbh ) {
my @actions;
push @actions, ( $self->on_disconnect_call || () );
sub dbh {
my ($self) = @_;
- $self->ensure_connected;
+ if (not $self->_dbh) {
+ $self->_populate_dbh;
+ } else {
+ $self->ensure_connected;
+ }
+ return $self->_dbh;
+}
+
+sub _get_dbh {
+ my $self = shift;
+
+ if (not $self->_dbh) {
+ $self->_populate_dbh;
+ }
return $self->_dbh;
}
sub _sql_maker_args {
my ($self) = @_;
- return ( bindtype=>'columns', array_datatypes => 1, limit_dialect => $self->dbh, %{$self->_sql_maker_opts} );
+ return (
+ bindtype=>'columns',
+ array_datatypes => 1,
+ limit_dialect => $self->_get_dbh,
+ %{$self->_sql_maker_opts}
+ );
}
sub sql_maker {
sub _populate_dbh {
my ($self) = @_;
+
my @info = @{$self->_dbi_connect_info || []};
$self->_dbh($self->_connect(@info));
# there is no transaction in progress by definition
$self->{transaction_depth} = $self->_dbh_autocommit ? 0 : 1;
+ $self->_run_connection_actions unless $self->{_in_determine_driver};
+}
+
+sub _run_connection_actions {
+ my $self = shift;
my @actions;
push @actions, ( $self->on_connect_call || () );
if (not $self->_driver_determined) {
if (ref($self) eq __PACKAGE__) {
my $driver;
+ my $started_unconnected = 0;
+ local $self->{_in_determine_driver} = 1;
if ($self->_dbh) { # we are connected
$driver = $self->_dbh->{Driver}{Name};
bless $self, $storage_class;
$self->_rebless();
}
+ $started_unconnected = 1;
}
$self->_driver_determined(1);
+
+ $self->_run_connection_actions
+ if $started_unconnected && defined $self->_dbh;
}
}
sub txn_begin {
my $self = shift;
- $self->ensure_connected();
if($self->{transaction_depth} == 0) {
$self->debugobj->txn_begin()
if $self->debug;
# this isn't ->_dbh-> because
# we should reconnect on begin_work
# for AutoCommit users
- $self->dbh->begin_work;
+ $self->dbh_do(sub { $_[1]->begin_work });
} elsif ($self->auto_savepoint) {
$self->svp_begin;
}
my $col_info = $source->column_info($col);
if ( $col_info->{auto_nextval} ) {
- $updated_cols->{$col} = $to_insert->{$col} = $self->_sequence_fetch( 'nextval', $col_info->{sequence} || $self->_dbh_get_autoinc_seq($self->dbh, $source) );
+ $updated_cols->{$col} = $to_insert->{$col} = $self->_sequence_fetch(
+ 'nextval',
+ $col_info->{sequence} ||
+ $self->_dbh_get_autoinc_seq($self->_get_dbh, $source)
+ );
}
}
}
@colvalues{@$cols} = (0..$#$cols);
my ($sql, @bind) = $self->sql_maker->insert($table, \%colvalues);
+ $self->_determine_driver;
+
$self->_query_start( $sql, @bind );
my $sth = $self->sth($sql);
sub update {
my $self = shift @_;
my $source = shift @_;
+ $self->_determine_driver;
my $bind_attributes = $self->source_bind_attributes($source);
return $self->_execute('update' => [], $source, $bind_attributes, @_);
sub delete {
my $self = shift @_;
my $source = shift @_;
-
+ $self->_determine_driver;
my $bind_attrs = $self->source_bind_attributes($source);
return $self->_execute('delete' => [], $source, $bind_attrs, @_);
# also note: this adds -result_source => $rsrc to the column info
#
# usage:
-# my $col_sources = $self->_resolve_column_info($ident, [map $_->[0], @{$bind}]);
+# my $col_sources = $self->_resolve_column_info($ident, @column_names);
sub _resolve_column_info {
my ($self, $ident, $colnames) = @_;
my ($alias2src, $root_alias) = $self->_resolve_ident_sources($ident);
my $sep = $self->_sql_maker_opts->{name_sep} || '.';
$sep = "\Q$sep\E";
- my (%return, %converted);
-
- if (not $colnames) {
- $colnames = [ map {
- my $alias = $_;
- my $source = $alias2src->{$alias};
- map "${alias}${sep}$_", $source->columns
- } keys %$alias2src ];
+ my (%return, %seen_cols);
-# also add unqualified columns for 'me' table
- push @$colnames, $alias2src->{$root_alias}->columns;
+ # compile a global list of column names, to be able to properly
+ # disambiguate unqualified column names (if at all possible)
+ for my $alias (keys %$alias2src) {
+ my $rsrc = $alias2src->{$alias};
+ for my $colname ($rsrc->columns) {
+ push @{$seen_cols{$colname}}, $alias;
+ }
}
+ COLUMN:
foreach my $col (@$colnames) {
my ($alias, $colname) = $col =~ m/^ (?: ([^$sep]+) $sep)? (.+) $/x;
- # deal with unqualified cols - we assume the main alias for all
- # unqualified ones, ugly but can't think of anything better right now
- $alias ||= $root_alias;
+ unless ($alias) {
+ # see if the column was seen exactly once (so we know which rsrc it came from)
+ if ($seen_cols{$colname} and @{$seen_cols{$colname}} == 1) {
+ $alias = $seen_cols{$colname}[0];
+ }
+ else {
+ next COLUMN;
+ }
+ }
my $rsrc = $alias2src->{$alias};
- $return{$col} = $rsrc && { %{$rsrc->column_info($colname)}, -result_source => $rsrc };
+ $return{$col} = $rsrc && {
+ %{$rsrc->column_info($colname)},
+ -result_source => $rsrc,
+ -source_alias => $alias,
+ };
}
+
return \%return;
}
=cut
-sub sqlt_type { shift->dbh->{Driver}->{Name} }
+sub sqlt_type { shift->_get_dbh->{Driver}->{Name} }
=head2 bind_attribute_by_data_type
sub deployment_statements {
my ($self, $schema, $type, $version, $dir, $sqltargs) = @_;
# Need to be connected to get the correct sqlt_type
- $self->ensure_connected() unless $type;
+ $self->_get_dbh() unless $type;
$type ||= $self->sqlt_type;
$version ||= $schema->schema_version || '1.x';
$dir ||= './';
return if $line =~ /^\s+$/; # skip whitespace only
$self->_query_start($line);
eval {
- $self->dbh->do($line); # shouldn't be using ->dbh ?
+ $self->_get_dbh->do($line);
};
if ($@) {
carp qq{$@ (running "${line}")};
sub datetime_parser {
my $self = shift;
return $self->{datetime_parser} ||= do {
- $self->ensure_connected;
+ $self->_get_dbh;
$self->build_datetime_parser(@_);
};
}