X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI.pm;h=22aa2c11dd0173e55d31d1552a7aee93f9dd6903;hb=4012acd8f58480ab7729933dc9078c5f2a6feef2;hp=dfbb4921f265a4f7715fd21825c001a6478522fd;hpb=9f154c674370a2d2e67180f076c591f499352d49;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm index dfbb492..22aa2c1 100644 --- a/lib/DBIx/Class/Storage/DBI.pm +++ b/lib/DBIx/Class/Storage/DBI.pm @@ -10,6 +10,7 @@ use SQL::Abstract::Limit; use DBIx::Class::Storage::DBI::Cursor; use DBIx::Class::Storage::Statistics; use IO::File; +use Scalar::Util qw/weaken/; use Carp::Clan qw/DBIx::Class/; BEGIN { @@ -17,9 +18,30 @@ package DBIC::SQL::Abstract; # Would merge upstream, but nate doesn't reply :( use base qw/SQL::Abstract::Limit/; +# This prevents the caching of $dbh in S::A::L, I believe +sub new { + my $self = shift->SUPER::new(@_); + + # If limit_dialect is a ref (like a $dbh), go ahead and replace + # it with what it resolves to: + $self->{limit_dialect} = $self->_find_syntax($self->{limit_dialect}) + if ref $self->{limit_dialect}; + + $self; +} + +# While we're at it, this should make LIMIT queries more efficient, +# without digging into things too deeply +sub _find_syntax { + my ($self, $syntax) = @_; + $self->{_cached_syntax} ||= $self->SUPER::_find_syntax($syntax); +} + sub select { my ($self, $table, $fields, $where, $order, @rest) = @_; $table = $self->_quote($table) unless ref($table); + local $self->{rownum_hack_count} = 1 + if (defined $rest[0] && $self->{limit_dialect} eq 'RowNum'); @rest = (-1) unless defined $rest[0]; die "LIMIT 0 Does Not Compute" if $rest[0] == 0; # and anyway, SQL::Abstract::Limit will cause a barf if we don't first @@ -67,7 +89,12 @@ sub _recurse_fields { return $$fields if $ref eq 'SCALAR'; if ($ref eq 'ARRAY') { - return join(', ', map { $self->_recurse_fields($_) } @$fields); + return join(', ', map { + $self->_recurse_fields($_) + .(exists $self->{rownum_hack_count} + ? ' AS col'.$self->{rownum_hack_count}++ + : '') + } @$fields); } elsif ($ref eq 'HASH') { foreach my $func (keys %$fields) { return $self->_sqlcase($func) @@ -92,10 +119,18 @@ sub _order_by { $ret .= $self->_sqlcase(' having ').$frag; } if (defined $_[0]->{order_by}) { - $ret .= $self->SUPER::_order_by($_[0]->{order_by}); + $ret .= $self->_order_by($_[0]->{order_by}); } - } elsif(ref $_[0] eq 'SCALAR') { + } elsif (ref $_[0] eq 'SCALAR') { $ret = $self->_sqlcase(' order by ').${ $_[0] }; + } elsif (ref $_[0] eq 'ARRAY' && @{$_[0]}) { + my @order = @{+shift}; + $ret = $self->_sqlcase(' order by ') + .join(', ', map { + my $r = $self->_order_by($_, @_); + $r =~ s/^ ?ORDER BY //i; + $r; + } @order); } else { $ret = $self->SUPER::_order_by(@_); } @@ -196,14 +231,6 @@ sub _quote { return $self->SUPER::_quote($label); } -sub _RowNum { - my $self = shift; - my $c; - $_[0] =~ s/SELECT (.*?) FROM/ - 'SELECT '.join(', ', map { $_.' AS col'.++$c } split(', ', $1)).' FROM'/e; - $self->SUPER::_RowNum(@_); -} - sub limit_dialect { my $self = shift; $self->{limit_dialect} = shift if @_; @@ -229,8 +256,8 @@ use base qw/DBIx::Class/; __PACKAGE__->load_components(qw/AccessorGroup/); __PACKAGE__->mk_group_accessors('simple' => - qw/_connect_info _dbh _sql_maker _conn_pid _conn_tid debug debugobj - cursor on_connect_do transaction_depth/); + qw/_connect_info _dbh _sql_maker _sql_maker_opts _conn_pid _conn_tid + debug debugobj cursor on_connect_do transaction_depth schema/); =head1 NAME @@ -246,28 +273,52 @@ This class represents the connection to the database =head2 new +Constructor. Only argument is the schema which instantiated us. + =cut sub new { - my $new = bless({}, ref $_[0] || $_[0]); + my ($self, $schema) = @_; + + my $new = {}; + bless $new, (ref $_[0] || $_[0]); + $new->set_schema($schema); $new->cursor("DBIx::Class::Storage::DBI::Cursor"); $new->transaction_depth(0); $new->debugobj(new DBIx::Class::Storage::Statistics()); my $fh; - if (defined($ENV{DBIX_CLASS_STORAGE_DBI_DEBUG}) && - ($ENV{DBIX_CLASS_STORAGE_DBI_DEBUG} =~ /=(.+)$/)) { + + my $debug_env = $ENV{DBIX_CLASS_STORAGE_DBI_DEBUG} + || $ENV{DBIC_TRACE}; + + if (defined($debug_env) && ($debug_env =~ /=(.+)$/)) { $fh = IO::File->new($1, 'w') or $new->throw_exception("Cannot open trace file $1"); } else { $fh = IO::File->new('>&STDERR'); } $new->debugfh($fh); - $new->debug(1) if $ENV{DBIX_CLASS_STORAGE_DBI_DEBUG}; + $new->debug(1) if $debug_env; + $new->_sql_maker_opts({}); return $new; } +=head2 set_schema + +Used to reset the schema class or object which owns this +storage object, such as after a C. + +=cut + +sub set_schema { + my ($self, $schema) = @_; + $self->schema($schema); + weaken($self->{schema}) if ref $self->{schema}; +} + + =head2 throw_exception Throws an exception - croaks. @@ -275,8 +326,10 @@ Throws an exception - croaks. =cut sub throw_exception { - my ($self, $msg) = @_; - croak($msg); + my $self = shift; + + $self->schema->throw_exception(@_) if $self->schema; + croak @_; } =head2 connect_info @@ -291,52 +344,117 @@ The arrayref can either contain the same set of arguments one would normally pass to L, or a lone code reference which returns a connected database handle. -In either case, there is an optional final element within the arrayref -which can hold a hashref of connection-specific Storage::DBI options. -These include C, and the sql_maker options -C, C, and C. Examples: +In either case, if the final argument in your connect_info happens +to be a hashref, C will look there for several +connection-specific options: + +=over 4 + +=item on_connect_do + +This can be set to an arrayref of literal sql statements, which will +be executed immediately after making the connection to the database +every time we [re-]connect. + +=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 +driver alone. + +=item quote_char + +Specifies what characters to use to quote table and column names. If +you use this you will want to specify L as well. + +quote_char expects either a single character, in which case is it is placed +on either side of the table/column, or an arrayref of length 2 in which case the +table/column name is placed between the elements. + +For example under MySQL you'd use C '`'>, and user SQL Server you'd +use C [qw/[ ]/]>. + +=item name_sep +This only needs to be used in conjunction with L, and is used to +specify the charecter that seperates elements (schemas, tables, columns) from +each other. In most cases this is simply a C<.>. + +=back + +These options can be mixed in with your other L connection attributes, +or placed in a seperate hashref after all other normal L connection +arguments. + +Every time C is invoked, any previous settings for +these options will be cleared before setting the new ones, regardless of +whether any options are specified in the new C. + +Important note: DBIC expects the returned database handle provided by +a subref argument to have RaiseError set on it. If it doesn't, things +might not work very well, YMMV. If you don't use a subref, DBIC will +force this setting for you anyways. Setting HandleError to anything +other than simple exception object wrapper might cause problems too. + +Examples: + + # Simple SQLite connection ->connect_info([ 'dbi:SQLite:./foo.db' ]); + # Connect via subref ->connect_info([ sub { DBI->connect(...) } ]); + # A bit more complicated ->connect_info( [ 'dbi:Pg:dbname=foo', 'postgres', 'my_pg_password', { AutoCommit => 0 }, - { quote_char => q{`}, name_sep => q{@} }, + { quote_char => q{"}, name_sep => q{.} }, ] ); + # Equivalent to the previous example + ->connect_info( + [ + 'dbi:Pg:dbname=foo', + 'postgres', + 'my_pg_password', + { AutoCommit => 0, quote_char => q{"}, name_sep => q{.} }, + ] + ); + + # Subref + DBIC-specific connection options ->connect_info( [ sub { DBI->connect(...) }, - { quote_char => q{`}, name_sep => q{@} }, + { + quote_char => q{`}, + name_sep => q{@}, + on_connect_do => ['SET search_path TO myschema,otherschema,public'], + }, ] ); =head2 on_connect_do - $schema->storage->on_connect_do(['PRAGMA synchronous = OFF']); - -Call this after C<< $schema->connect >> to have the sql statements -given executed on every db connect. - -This option can also be set via L. +This method is deprecated in favor of setting via L. =head2 debug Causes SQL trace information to be emitted on the C object. (or C if C has not specifically been set). +This is the equivalent to setting L in your +shell environment. + =head2 debugfh Set or retrieve the filehandle used for trace/debug output. This should be an IO::Handle compatible ojbect (only the C method is used. Initially set to be STDERR - although see information on the -L environment variable. +L environment variable. =cut @@ -373,6 +491,54 @@ sub debugcb { } } +=head2 dbh_do + +Execute the given subref with the underlying database handle as its +first argument, using the new exception-based connection management. +Example: + + my @stuff = $schema->storage->dbh_do( + sub { + shift->selectrow_array("SELECT * FROM foo") + } + ); + +=cut + +sub dbh_do { + my ($self, $todo) = @_; + + my @result; + my $want_array = wantarray; + + eval { + $self->_verify_pid if $self->_dbh; + $self->_populate_dbh if !$self->_dbh; + my $dbh = $self->_dbh; + if($want_array) { + @result = $todo->($dbh); + } + elsif(defined $want_array) { + $result[0] = $todo->($dbh); + } + else { + $todo->($dbh); + } + }; + + if($@) { + my $exception = $@; + $self->connected + ? $self->throw_exception($exception) + : $self->_populate_dbh; + + my $dbh = $self->_dbh; + return $todo->($dbh); + } + + return $want_array ? @result : $result[0]; +} + =head2 disconnect Disconnect the L handle, performing a rollback first if the @@ -397,17 +563,15 @@ is connected. =cut -sub connected { my ($self) = @_; +sub connected { + my ($self) = @_; if(my $dbh = $self->_dbh) { if(defined $self->_conn_tid && $self->_conn_tid != threads->tid) { - $self->_sql_maker(undef); return $self->_dbh(undef); } - elsif($self->_conn_pid != $$) { - $self->_dbh->{InactiveDestroy} = 1; - $self->_sql_maker(undef); - return $self->_dbh(undef) + else { + $self->_verify_pid; } return ($dbh->FETCH('Active') && $dbh->ping); } @@ -415,6 +579,19 @@ sub connected { my ($self) = @_; return 0; } +# handle pid changes correctly +# NOTE: assumes $self->_dbh is a valid $dbh +sub _verify_pid { + my ($self) = @_; + + return if $self->_conn_pid == $$; + + $self->_dbh->{InactiveDestroy} = 1; + $self->_dbh(undef); + + return; +} + =head2 ensure_connected Check whether the database handle is connected - if not then make a @@ -446,7 +623,7 @@ sub dbh { sub _sql_maker_args { my ($self) = @_; - return ( limit_dialect => $self->dbh ); + return ( limit_dialect => $self->dbh, %{$self->_sql_maker_opts} ); } =head2 sql_maker @@ -467,34 +644,30 @@ sub sql_maker { sub connect_info { my ($self, $info_arg) = @_; - if($info_arg) { - my %sql_maker_opts; - my $info = [ @$info_arg ]; # copy because we can alter it - my $last_info = $info->[-1]; - if(ref $last_info eq 'HASH') { - my $used; - if(my $on_connect_do = $last_info->{on_connect_do}) { - $used = 1; - $self->on_connect_do($on_connect_do); - } - for my $sql_maker_opt (qw/limit_dialect quote_char name_sep/) { - if(my $opt_val = $last_info->{$sql_maker_opt}) { - $used = 1; - $sql_maker_opts{$sql_maker_opt} = $opt_val; - } - } + return $self->_connect_info if !$info_arg; - # remove our options hashref if it was there, to avoid confusing - # DBI in the case the user didn't use all 4 DBI options, as in: - # [ 'dbi:SQLite:foo.db', { quote_char => q{`} } ] - pop(@$info) if $used; + # Kill sql_maker/_sql_maker_opts, so we get a fresh one with only + # the new set of options + $self->_sql_maker(undef); + $self->_sql_maker_opts({}); + + my $info = [ @$info_arg ]; # copy because we can alter it + my $last_info = $info->[-1]; + if(ref $last_info eq 'HASH') { + if(my $on_connect_do = delete $last_info->{on_connect_do}) { + $self->on_connect_do($on_connect_do); + } + for my $sql_maker_opt (qw/limit_dialect quote_char name_sep/) { + if(my $opt_val = delete $last_info->{$sql_maker_opt}) { + $self->_sql_maker_opts->{$sql_maker_opt} = $opt_val; + } } - $self->_connect_info($info); - $self->sql_maker->$_($sql_maker_opts{$_}) for(keys %sql_maker_opts); + # Get rid of any trailing empty hashref + pop(@$info) if !keys %$last_info; } - $self->_connect_info; + $self->_connect_info($info); } sub _populate_dbh { @@ -535,9 +708,14 @@ sub _connect { } eval { - $dbh = ref $info[0] eq 'CODE' - ? &{$info[0]} - : DBI->connect(@info); + if(ref $info[0] eq 'CODE') { + $dbh = &{$info[0]} + } + else { + $dbh = DBI->connect(@info); + $dbh->{RaiseError} = 1; + $dbh->{PrintError} = 0; + } }; $DBI::connect_via = $old_connect_via if $old_connect_via; @@ -561,12 +739,14 @@ an entire code block to be executed transactionally. sub txn_begin { my $self = shift; if ($self->{transaction_depth}++ == 0) { - my $dbh = $self->dbh; - if ($dbh->{AutoCommit}) { - $self->debugobj->txn_begin() - if ($self->debug); - $dbh->begin_work; - } + $self->dbh_do(sub { + my $dbh = shift; + if ($dbh->{AutoCommit}) { + $self->debugobj->txn_begin() + if ($self->debug); + $dbh->begin_work; + } + }); } } @@ -578,21 +758,23 @@ Issues a commit against the current dbh. sub txn_commit { my $self = shift; - my $dbh = $self->dbh; - if ($self->{transaction_depth} == 0) { - unless ($dbh->{AutoCommit}) { - $self->debugobj->txn_commit() - if ($self->debug); - $dbh->commit; + $self->dbh_do(sub { + my $dbh = shift; + if ($self->{transaction_depth} == 0) { + unless ($dbh->{AutoCommit}) { + $self->debugobj->txn_commit() + if ($self->debug); + $dbh->commit; + } } - } - else { - if (--$self->{transaction_depth} == 0) { - $self->debugobj->txn_commit() - if ($self->debug); - $dbh->commit; + else { + if (--$self->{transaction_depth} == 0) { + $self->debugobj->txn_commit() + if ($self->debug); + $dbh->commit; + } } - } + }); } =head2 txn_rollback @@ -607,24 +789,26 @@ sub txn_rollback { my $self = shift; eval { - my $dbh = $self->dbh; - if ($self->{transaction_depth} == 0) { - unless ($dbh->{AutoCommit}) { - $self->debugobj->txn_rollback() - if ($self->debug); - $dbh->rollback; - } - } - else { - if (--$self->{transaction_depth} == 0) { - $self->debugobj->txn_rollback() - if ($self->debug); - $dbh->rollback; + $self->dbh_do(sub { + my $dbh = shift; + if ($self->{transaction_depth} == 0) { + unless ($dbh->{AutoCommit}) { + $self->debugobj->txn_rollback() + if ($self->debug); + $dbh->rollback; + } } else { - die DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION->new; + if (--$self->{transaction_depth} == 0) { + $self->debugobj->txn_rollback() + if ($self->debug); + $dbh->rollback; + } + else { + die DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION->new; + } } - } + }); }; if ($@) { @@ -751,7 +935,7 @@ Returns a L sth (statement handle) for the supplied SQL. sub sth { my ($self, $sql) = @_; # 3 is the if_active parameter which avoids active sth re-use - return $self->dbh->prepare_cached($sql, {}, 3); + return $self->dbh_do(sub { shift->prepare_cached($sql, {}, 3) }); } =head2 columns_info_for @@ -763,60 +947,56 @@ Returns database type info for a given table columns. sub columns_info_for { my ($self, $table) = @_; - my $dbh = $self->dbh; + $self->dbh_do(sub { + my $dbh = shift; + + if ($dbh->can('column_info')) { + my %result; + eval { + my ($schema,$tab) = $table =~ /^(.+?)\.(.+)$/ ? ($1,$2) : (undef,$table); + my $sth = $dbh->column_info( undef,$schema, $tab, '%' ); + $sth->execute(); + while ( my $info = $sth->fetchrow_hashref() ){ + my %column_info; + $column_info{data_type} = $info->{TYPE_NAME}; + $column_info{size} = $info->{COLUMN_SIZE}; + $column_info{is_nullable} = $info->{NULLABLE} ? 1 : 0; + $column_info{default_value} = $info->{COLUMN_DEF}; + my $col_name = $info->{COLUMN_NAME}; + $col_name =~ s/^\"(.*)\"$/$1/; + + $result{$col_name} = \%column_info; + } + }; + return \%result if !$@; + } - if ($dbh->can('column_info')) { my %result; - my $old_raise_err = $dbh->{RaiseError}; - my $old_print_err = $dbh->{PrintError}; - $dbh->{RaiseError} = 1; - $dbh->{PrintError} = 0; - eval { - my ($schema,$tab) = $table =~ /^(.+?)\.(.+)$/ ? ($1,$2) : (undef,$table); - my $sth = $dbh->column_info( undef,$schema, $tab, '%' ); - $sth->execute(); - while ( my $info = $sth->fetchrow_hashref() ){ - my %column_info; - $column_info{data_type} = $info->{TYPE_NAME}; - $column_info{size} = $info->{COLUMN_SIZE}; - $column_info{is_nullable} = $info->{NULLABLE} ? 1 : 0; - $column_info{default_value} = $info->{COLUMN_DEF}; - my $col_name = $info->{COLUMN_NAME}; - $col_name =~ s/^\"(.*)\"$/$1/; - - $result{$col_name} = \%column_info; + my $sth = $dbh->prepare("SELECT * FROM $table WHERE 1=0"); + $sth->execute; + my @columns = @{$sth->{NAME_lc}}; + for my $i ( 0 .. $#columns ){ + my %column_info; + my $type_num = $sth->{TYPE}->[$i]; + my $type_name; + if(defined $type_num && $dbh->can('type_info')) { + my $type_info = $dbh->type_info($type_num); + $type_name = $type_info->{TYPE_NAME} if $type_info; } - }; - $dbh->{RaiseError} = $old_raise_err; - $dbh->{PrintError} = $old_print_err; - return \%result if !$@; - } + $column_info{data_type} = $type_name ? $type_name : $type_num; + $column_info{size} = $sth->{PRECISION}->[$i]; + $column_info{is_nullable} = $sth->{NULLABLE}->[$i] ? 1 : 0; - my %result; - my $sth = $dbh->prepare("SELECT * FROM $table WHERE 1=0"); - $sth->execute; - my @columns = @{$sth->{NAME_lc}}; - for my $i ( 0 .. $#columns ){ - my %column_info; - my $type_num = $sth->{TYPE}->[$i]; - my $type_name; - if(defined $type_num && $dbh->can('type_info')) { - my $type_info = $dbh->type_info($type_num); - $type_name = $type_info->{TYPE_NAME} if $type_info; - } - $column_info{data_type} = $type_name ? $type_name : $type_num; - $column_info{size} = $sth->{PRECISION}->[$i]; - $column_info{is_nullable} = $sth->{NULLABLE}->[$i] ? 1 : 0; + if ($column_info{data_type} =~ m/^(.*?)\((.*?)\)$/) { + $column_info{data_type} = $1; + $column_info{size} = $2; + } - if ($column_info{data_type} =~ m/^(.*?)\((.*?)\)$/) { - $column_info{data_type} = $1; - $column_info{size} = $2; + $result{$columns[$i]} = \%column_info; } - $result{$columns[$i]} = \%column_info; - } - - return \%result; + return \%result; + }); } =head2 last_insert_id @@ -828,8 +1008,7 @@ Return the row id of the last insert. sub last_insert_id { my ($self, $row) = @_; - return $self->dbh->func('last_insert_rowid'); - + $self->dbh_do(sub { shift->func('last_insert_rowid') }); } =head2 sqlt_type @@ -838,7 +1017,7 @@ Returns the database driver name. =cut -sub sqlt_type { shift->dbh->{Driver}->{Name} } +sub sqlt_type { shift->dbh_do(sub { shift->{Driver}->{Name} }) } =head2 create_ddl_dir (EXPERIMENTAL) @@ -868,14 +1047,12 @@ sub create_ddl_dir $databases ||= ['MySQL', 'SQLite', 'PostgreSQL']; $databases = [ $databases ] if(ref($databases) ne 'ARRAY'); $version ||= $schema->VERSION || '1.x'; + $sqltargs = { ( add_drop_table => 1 ), %{$sqltargs || {}} }; eval "use SQL::Translator"; $self->throw_exception("Can't deploy without SQL::Translator: $@") if $@; - my $sqlt = SQL::Translator->new({ -# debug => 1, - add_drop_table => 1, - }); + my $sqlt = SQL::Translator->new($sqltargs); foreach my $db (@$databases) { $sqlt->reset(); @@ -961,15 +1138,16 @@ L. sub deploy { my ($self, $schema, $type, $sqltargs) = @_; - foreach my $statement ( $self->deployment_statements($schema, $type, undef, undef, $sqltargs) ) { + foreach my $statement ( $self->deployment_statements($schema, $type, undef, undef, { no_comments => 1, %{ $sqltargs || {} } } ) ) { for ( split(";\n", $statement)) { next if($_ =~ /^--/); next if(!$_); # next if($_ =~ /^DROP/m); next if($_ =~ /^BEGIN TRANSACTION/m); next if($_ =~ /^COMMIT/m); + next if $_ =~ /^\s+$/; # skip whitespace only $self->debugobj->query_start($_) if $self->debug; - $self->dbh->do($_) or warn "SQL was:\n $_"; + $self->dbh->do($_) or warn "SQL was:\n $_"; # XXX exceptions? $self->debugobj->query_end($_) if $self->debug; } } @@ -1009,7 +1187,13 @@ sub build_datetime_parser { return $type; } -sub DESTROY { shift->disconnect } +sub DESTROY { + my $self = shift; + return if !$self->_dbh; + + $self->_verify_pid; + $self->_dbh(undef); +} 1; @@ -1033,41 +1217,26 @@ The following methods are extended:- =item limit_dialect -Accessor for setting limit dialect. This is useful -for JDBC-bridge among others where the remote SQL-dialect cannot -be determined by the name of the driver alone. - -This option can also be set via L. +See L for details. +For setting, this method is deprecated in favor of L. =item quote_char -Specifies what characters to use to quote table and column names. If -you use this you will want to specify L as well. - -quote_char expectes either a single character, in which case is it is placed -on either side of the table/column, or an arrayref of length 2 in which case the -table/column name is placed between the elements. - -For example under MySQL you'd use C, and user SQL Server you'd -use C. - -This option can also be set via L. +See L for details. +For setting, this method is deprecated in favor of L. =item name_sep -This only needs to be used in conjunction with L, and is used to -specify the charecter that seperates elements (schemas, tables, columns) from -each other. In most cases this is simply a C<.>. - -This option can also be set via L. +See L for details. +For setting, this method is deprecated in favor of L. =back =head1 ENVIRONMENT VARIABLES -=head2 DBIX_CLASS_STORAGE_DBI_DEBUG +=head2 DBIC_TRACE -If C is set then SQL trace information +If C is set then SQL trace information is produced (as when the L method is set). If the value is of the form C<1=/path/name> then the trace output is @@ -1078,6 +1247,10 @@ created (when you call connect on your schema). So, run-time changes to this environment variable will not take effect unless you also re-connect on your schema. +=head2 DBIX_CLASS_STORAGE_DBI_DEBUG + +Old name for DBIC_TRACE + =head1 AUTHORS Matt S. Trout