use base 'DBIx::Class::Storage';
-use strict;
+use strict;
use warnings;
use Carp::Clan qw/^DBIx::Class/;
use DBI;
-use DBIx::Class::SQLAHacks;
use DBIx::Class::Storage::DBI::Cursor;
use DBIx::Class::Storage::Statistics;
use Scalar::Util();
=item *
-A single code reference which returns a connected
-L<DBI database handle|DBI/connect> optionally followed by
+A single code reference which returns a connected
+L<DBI database handle|DBI/connect> optionally followed by
L<extra attributes|/DBIx::Class specific connection attributes> recognized
by DBIx::Class:
%extra_attributes,
}];
-This is particularly useful for L<Catalyst> based applications, allowing the
+This is particularly useful for L<Catalyst> based applications, allowing the
following config (L<Config::General> style):
<Model::DB>
set C<AutoCommit> to either I<0> or I<1>. L<DBIx::Class> further
recommends that it be set to I<1>, and that you perform transactions
via our L<DBIx::Class::Schema/txn_do> method. L<DBIx::Class> will set it
-to I<1> if you do not do explicitly set it to zero. This is the default
+to I<1> if you do not do explicitly set it to zero. This is the default
for most DBDs. See L</DBIx::Class and AutoCommit> for details.
=head3 DBIx::Class specific connection attributes
If set to a true value, this option will disable the caching of
statement handles via L<DBI/prepare_cached>.
-=item limit_dialect
+=item limit_dialect
Sets the limit dialect. This is useful for JDBC-bridge among others
where the remote SQL-dialect cannot be determined by the name of the
=item quote_char
-Specifies what characters to use to quote table and column names. If
+Specifies what characters to use to quote table and column names. If
you use this you will want to specify L</name_sep> as well.
C<quote_char> expects either a single character, in which case is it
=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
+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
each other. In most cases this is simply a C<.>.
The consequences of not supplying this value is that L<SQL::Abstract>
sub _sql_maker_args {
my ($self) = @_;
-
+
return ( bindtype=>'columns', array_datatypes => 1, limit_dialect => $self->dbh, %{$self->_sql_maker_opts} );
}
my ($self) = @_;
unless ($self->_sql_maker) {
my $sql_maker_class = $self->sql_maker_class;
+ $self->ensure_class_loaded ($sql_maker_class);
$self->_sql_maker($sql_maker_class->new( $self->_sql_maker_args ));
}
return $self->_sql_maker;
$self->throw_exception ("Your Storage implementation doesn't support savepoints")
unless $self->can('_svp_begin');
-
+
push @{ $self->{savepoints} }, $name;
$self->debugobj->svp_begin($name) if $self->debug;
-
+
return $self->_svp_begin($name);
}
}
$self->debugobj->svp_rollback($name) if $self->debug;
-
+
return $self->_svp_rollback($name);
}
return ($sql, \@bind);
}
+
sub _fix_bind_params {
my ($self, @bind) = @_;
my $sth = $self->sth($sql,$op);
- my $placeholder_index = 1;
+ my $placeholder_index = 1;
foreach my $bound (@$bind) {
my $attributes = {};
sub insert {
my ($self, $source, $to_insert) = @_;
- my $ident = $source->from;
+ my $ident = $source->from;
my $bind_attributes = $self->source_bind_attributes($source);
my $updated_cols = {};
}
## Still not quite perfect, and EXPERIMENTAL
-## Currently it is assumed that all values passed will be "normal", i.e. not
+## Currently it is assumed that all values passed will be "normal", i.e. not
## scalar refs, or at least, all the same type as the first set, the statement is
## only prepped once.
sub insert_bulk {
my $table = $source->from;
@colvalues{@$cols} = (0..$#$cols);
my ($sql, @bind) = $self->sql_maker->insert($table, \%colvalues);
-
+
$self->_query_start( $sql, @bind );
my $sth = $self->sth($sql);
my $bind_attributes = $self->source_bind_attributes($source);
## Bind the values and execute
- my $placeholder_index = 1;
+ my $placeholder_index = 1;
foreach my $bound (@bind) {
my $self = shift @_;
my $source = shift @_;
my $bind_attributes = $self->source_bind_attributes($source);
-
+
return $self->_execute('update' => [], $source, $bind_attributes, @_);
}
sub delete {
my $self = shift @_;
my $source = shift @_;
-
+
my $bind_attrs = $self->source_bind_attributes($source);
-
+
return $self->_execute('delete' => [], $source, $bind_attrs, @_);
}
# Genarating a single PK column subquery is trivial and supported
# by all RDBMS. However if we have a multicolumn PK, things get ugly.
# Look at _multipk_update_delete()
-sub subq_update_delete {
+sub _subq_update_delete {
my $self = shift;
my ($rs, $op, $values) = @_;
sub _select {
my $self = shift;
+
+ # localization is neccessary as
+ # 1) there is no infrastructure to pass this around before SQLA2
+ # 2) _select_args sets it and _prep_for_execute consumes it
my $sql_maker = $self->sql_maker;
- local $sql_maker->{for};
+ local $sql_maker->{_dbic_rs_attrs};
+
return $self->_execute($self->_select_args(@_));
}
+sub _select_args_to_query {
+ my $self = shift;
+
+ # localization is neccessary as
+ # 1) there is no infrastructure to pass this around before SQLA2
+ # 2) _select_args sets it and _prep_for_execute consumes it
+ my $sql_maker = $self->sql_maker;
+ local $sql_maker->{_dbic_rs_attrs};
+
+ # my ($op, $bind, $ident, $bind_attrs, $select, $cond, $order, $rows, $offset)
+ # = $self->_select_args($ident, $select, $cond, $attrs);
+ my ($op, $bind, $ident, $bind_attrs, @args) =
+ $self->_select_args(@_);
+
+ # my ($sql, $prepared_bind) = $self->_prep_for_execute($op, $bind, $ident, [ $select, $cond, $order, $rows, $offset ]);
+ my ($sql, $prepared_bind) = $self->_prep_for_execute($op, $bind, $ident, \@args);
+ $prepared_bind ||= [];
+
+ return wantarray
+ ? ($sql, $prepared_bind, $bind_attrs)
+ : \[ "($sql)", @$prepared_bind ]
+ ;
+}
+
sub _select_args {
my ($self, $ident, $select, $condition, $attrs) = @_;
- my $order = $attrs->{order_by};
- my $for = delete $attrs->{for};
my $sql_maker = $self->sql_maker;
- $sql_maker->{for} = $for;
-
- my @in_order_attrs = qw/group_by having _virtual_order_by/;
- if (List::Util::first { exists $attrs->{$_} } (@in_order_attrs) ) {
- $order = {
- ($order
- ? (order_by => $order)
- : ()
- ),
- ( map { $_ => $attrs->{$_} } (@in_order_attrs) )
- };
- }
+ $sql_maker->{_dbic_rs_attrs} = $attrs;
+
+ my $order = { map
+ { $attrs->{$_} ? ( $_ => $attrs->{$_} ) : () }
+ (qw/order_by group_by having _virtual_order_by/ )
+ };
+
my $bind_attrs = {};
# the reason this is so contrived is that $ident may be a {from}
# structure, specifying multiple tables to join
if ( Scalar::Util::blessed($ident) && $ident->isa("DBIx::Class::ResultSource") ) {
- $alias2source->{$ident->alias} = $ident;
+ # this is compat mode for insert/update/delete which do not deal with aliases
+ $alias2source->{me} = $ident;
}
elsif (ref $ident eq 'ARRAY') {
$tabinfo = $_->[0];
}
- $alias2source->{$tabinfo->{-alias}} = $tabinfo->{-result_source}
- if ($tabinfo->{-result_source});
+ $alias2source->{$tabinfo->{-alias}} = $tabinfo->{-source_handle}->resolve
+ if ($tabinfo->{-source_handle});
}
}
return $alias2source;
}
+# Takes $ident, \@column_names
+#
+# returns { $column_name => \%column_info, ... }
+# also note: this adds -result_source => $rsrc to the column info
+#
+# usage:
+# my $col_sources = $self->_resolve_column_info($ident, [map $_->[0], @{$bind}]);
+sub _resolve_column_info {
+ my ($self, $ident, $colnames) = @_;
+ my $alias2src = $self->_resolve_ident_sources($ident);
+
+ my $sep = $self->_sql_maker_opts->{name_sep} || '.';
+ $sep = "\Q$sep\E";
+
+ my %return;
+ foreach my $col (@{$colnames}) {
+ $col =~ m/^ (?: ([^$sep]+) $sep)? (.+) $/x;
+
+ my $alias = $1 || 'me';
+ my $colname = $2;
+
+ my $rsrc = $alias2src->{$alias};
+ $return{$col} = $rsrc && { %{$rsrc->column_info($colname)}, -result_source => $rsrc };
+ }
+ return \%return;
+}
+
sub count {
my ($self, $source, $attrs) = @_;
my $tmp_attrs = { %$attrs };
- # take off any column specs, any pagers, record_filter is cdbi, and no point of ordering a count
- delete $tmp_attrs->{$_} for (qw/columns +columns select +select as +as rows offset page pager order_by record_filter/);
+ # take off any pagers, record_filter is cdbi, and no point of ordering a count
+ delete $tmp_attrs->{$_} for (qw/select as rows offset page order_by record_filter/);
+ # overwrite the selector
$tmp_attrs->{select} = { count => '*' };
- $tmp_attrs->{as} = [qw/count/];
my $tmp_rs = $source->resultset_class->new($source, $tmp_attrs);
my ($count) = $tmp_rs->cursor->next;
my $sub_attrs = { %$attrs };
# these can not go in the subquery, and there is no point of ordering it
- delete $sub_attrs->{$_} for qw/prefetch collapse select +select as +as columns +columns order_by/;
+ delete $sub_attrs->{$_} for qw/prefetch collapse select as order_by/;
# if we prefetch, we group_by primary keys only as this is what we would get out of the rs via ->next/->all
# simply deleting group_by suffices, as the code below will re-fill it
delete $sub_attrs->{group_by};
}
- $sub_attrs->{columns} = $sub_attrs->{group_by} ||= [ map { "$attrs->{alias}.$_" } ($source->primary_columns) ];
+ $sub_attrs->{group_by} ||= [ map { "$attrs->{alias}.$_" } ($source->primary_columns) ];
+ $sub_attrs->{select} = $self->_grouped_count_select ($source, $sub_attrs);
$attrs->{from} = [{
count_subq => $source->resultset_class->new ($source, $sub_attrs )->as_query
}];
# the subquery replaces this
- delete $attrs->{$_} for qw/where bind prefetch collapse distinct group_by having having_bind rows offset page pager/;
+ delete $attrs->{$_} for qw/where bind prefetch collapse group_by having having_bind rows offset page pager/;
return $self->count ($source, $attrs);
}
+#
+# Returns a SELECT to go with a supplied GROUP BY
+# (caled by count_grouped so a group_by is present)
+# Most databases expect them to match, but some
+# choke in various ways.
+#
+sub _grouped_count_select {
+ my ($self, $source, $rs_args) = @_;
+ return $rs_args->{group_by};
+}
+
sub source_bind_attributes {
my ($self, $source) = @_;
-
+
my $bind_attributes;
foreach my $column ($source->columns) {
-
+
my $data_type = $source->column_info($column)->{data_type} || '';
$bind_attributes->{$column} = $self->bind_attribute_by_data_type($data_type)
if $data_type;
return;
}
+=head2 is_datatype_numeric
+
+Given a datatype from column_info, returns a boolean value indicating if
+the current RDBMS considers it a numeric value. This controls how
+L<DBIx::Class::Row/set_column> decides whether to mark the column as
+dirty - when the datatype is deemed numeric a C<< != >> comparison will
+be performed instead of the usual C<eq>.
+
+=cut
+
+sub is_datatype_numeric {
+ my ($self, $dt) = @_;
+
+ return 0 unless $dt;
+
+ return $dt =~ /^ (?:
+ numeric | int(?:eger)? | (?:tiny|small|medium|big)int | dec(?:imal)? | real | float | double (?: \s+ precision)? | (?:big)?serial
+ ) $/ix;
+}
+
+
=head2 create_ddl_dir (EXPERIMENTAL)
=over 4
{ add_drop_table => 1, ignore_constraint_names => 1, ignore_index_names => 1 }
-merged with the hash passed in. To disable any of those features, pass in a
+merged with the hash passed in. To disable any of those features, pass in a
hashref like the following
{ ignore_constraint_names => 0, # ... other options }
-Note that this feature is currently EXPERIMENTAL and may not work correctly
+Note that this feature is currently EXPERIMENTAL and may not work correctly
across all databases, or fully handle complex relationships.
WARNING: Please check all SQL files created, before applying them.
$version ||= $schema_version;
$sqltargs = {
- add_drop_table => 1,
+ add_drop_table => 1,
ignore_constraint_names => 1,
ignore_index_names => 1,
%{$sqltargs || {}}
}
print $file $output;
close($file);
-
+
next unless ($preversion);
require SQL::Translator::Diff;
carp("Overwriting existing diff file - $difffile");
unlink($difffile);
}
-
+
my $source_schema;
{
my $t = SQL::Translator->new($sqltargs);
unless ( $source_schema->name );
}
- # The "new" style of producers have sane normalization and can support
+ # The "new" style of producers have sane normalization and can support
# diffing a SQL file against a DBIC->SQLT schema. Old style ones don't
# And we have to diff parsed SQL against parsed SQL.
my $dest_schema = $sqlt_schema;
$dest_schema->name( $filename )
unless $dest_schema->name;
}
-
+
my $diff = SQL::Translator::Diff::schema_diff($source_schema, $db,
$dest_schema, $db,
$sqltargs
);
- if(!open $file, ">$difffile") {
+ if(!open $file, ">$difffile") {
$self->throw_exception("Can't write to $difffile ($!)");
next;
}
if(-f $filename)
{
my $file;
- open($file, "<$filename")
+ open($file, "<$filename")
or $self->throw_exception("Can't open $filename ($!)");
my @rows = <$file>;
close($file);
eval qq{use SQL::Translator::Producer::${type}};
$self->throw_exception($@) if $@;
- # sources needs to be a parser arg, but for simplicty allow at top level
+ # sources needs to be a parser arg, but for simplicty allow at top level
# coming in
$sqltargs->{parser_args}{sources} = delete $sqltargs->{sources}
if exists $sqltargs->{sources};
sub is_replicating {
return;
-
+
}
=head2 lag_behind_master
projects / dbsrgits/DBIx-Class.git / blobdiff