From: Peter Rabbitson <ribasushi@cpan.org>
Date: Tue, 25 May 2010 15:40:45 +0000 (+0000)
Subject: Try::Tiny conversion finished
X-Git-Tag: v0.08122~57^2~4
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=dbsrgits%2FDBIx-Class.git;a=commitdiff_plain;h=52b420dd006f55aced42c669f49182890b8826ea

Try::Tiny conversion finished
---

diff --git a/Changes b/Changes
index e6c97fb..0f93936 100644
--- a/Changes
+++ b/Changes
@@ -8,6 +8,7 @@ Revision history for DBIx::Class
         - ::Storage::DBI now correctly preserves a parent $dbh from
           terminating children, even during interpreter-global
           out-of-order destruction
+        - All DBIC exception-handling switched to Try::Tiny
         - Add DBIx::Class::FilterColumn for non-ref filtering
         - InflateColumn::DateTime support for MSSQL via DBD::Sybase
         - Millisecond precision support for MSSQL datetimes for
diff --git a/lib/DBIx/Class.pm b/lib/DBIx/Class.pm
index f8bb0e4..6d86134 100644
--- a/lib/DBIx/Class.pm
+++ b/lib/DBIx/Class.pm
@@ -11,7 +11,6 @@ use DBIx::Class::Optional::Dependencies;
 use vars qw($VERSION);
 use base qw/DBIx::Class::Componentised Class::Accessor::Grouped/;
 use DBIx::Class::StartupCheck;
-use Try::Tiny;
 
 sub mk_classdata {
   shift->mk_classaccessor(@_);
diff --git a/lib/DBIx/Class/Relationship/Base.pm b/lib/DBIx/Class/Relationship/Base.pm
index e533117..53dc14c 100644
--- a/lib/DBIx/Class/Relationship/Base.pm
+++ b/lib/DBIx/Class/Relationship/Base.pm
@@ -238,15 +238,15 @@ sub related_resultset {
 
     # condition resolution may fail if an incomplete master-object prefetch
     # is encountered - that is ok during prefetch construction (not yet in_storage)
-    my $cond;
-    try { $cond = $source->_resolve_condition( $rel_info->{cond}, $rel, $self ) }
+    my $cond = try {
+      $source->_resolve_condition( $rel_info->{cond}, $rel, $self )
+    }
     catch {
       if ($self->in_storage) {
         $self->throw_exception ($_);
       }
-      else {
-        $cond = $DBIx::Class::ResultSource::UNRESOLVABLE_CONDITION;
-      }
+
+      $DBIx::Class::ResultSource::UNRESOLVABLE_CONDITION;  # RV
     };
 
     if ($cond eq $DBIx::Class::ResultSource::UNRESOLVABLE_CONDITION) {
diff --git a/lib/DBIx/Class/ResultSource.pm b/lib/DBIx/Class/ResultSource.pm
index 171218b..6ac8538 100644
--- a/lib/DBIx/Class/ResultSource.pm
+++ b/lib/DBIx/Class/ResultSource.pm
@@ -368,11 +368,10 @@ sub column_info {
     $self->{_columns_info_loaded}++;
     my $info = {};
     my $lc_info = {};
+
     # try for the case of storage without table
-    my $caught;
-    try { $info = $self->storage->columns_info_for( $self->from ) }
-    catch { $caught = 1 };
-    unless ($caught) {
+    try {
+      $info = $self->storage->columns_info_for( $self->from );
       for my $realcol ( keys %{$info} ) {
         $lc_info->{lc $realcol} = $info->{$realcol};
       }
@@ -382,7 +381,7 @@ sub column_info {
           %{ $info->{$col} || $lc_info->{lc $col} || {} }
         };
       }
-    }
+    };
   }
   return $self->_columns->{$column};
 }
@@ -1025,7 +1024,7 @@ sub add_relationship {
 
   return $self;
 
-  # XXX disabled. doesn't work properly currently. skip in tests.
+# XXX disabled. doesn't work properly currently. skip in tests.
 
   my $f_source = $self->schema->source($f_source_name);
   unless ($f_source) {
@@ -1041,10 +1040,11 @@ sub add_relationship {
   try { $self->_resolve_join($rel, 'me', {}, []) }
   catch {
     # If the resolve failed, back out and re-throw the error
-    delete $rels{$rel}; #
+    delete $rels{$rel};
     $self->_relationships(\%rels);
     $self->throw_exception("Error creating relationship $rel: $_");
   };
+
   1;
 }
 
diff --git a/lib/DBIx/Class/Schema/Versioned.pm b/lib/DBIx/Class/Schema/Versioned.pm
index 853203b..8aa9b6a 100644
--- a/lib/DBIx/Class/Schema/Versioned.pm
+++ b/lib/DBIx/Class/Schema/Versioned.pm
@@ -725,16 +725,9 @@ sub _source_exists
 {
     my ($self, $rs) = @_;
 
-    my $c;
-    my $exception;
-    try {
-        $c = $rs->search({ 1, 0 })->count;
-    } catch {
-        $exception=1;
-    };
-    return 0 if $exception || !defined $c;
+    my $c = try { $rs->search({ 1, 0 })->count };
 
-    return 1;
+    return (defined $c) ? 1 : 0;
 }
 
 1;
diff --git a/lib/DBIx/Class/Storage.pm b/lib/DBIx/Class/Storage.pm
index 0575c32..48762d1 100644
--- a/lib/DBIx/Class/Storage.pm
+++ b/lib/DBIx/Class/Storage.pm
@@ -212,23 +212,23 @@ sub txn_do {
       $coderef->(@args);
     }
     $self->txn_commit;
-  } catch {
+  }
+  catch {
     my $error = shift;
 
     try {
       $self->txn_rollback;
     } catch {
-      my $rollback_error = shift;
       my $exception_class = "DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION";
       $self->throw_exception($error)  # propagate nested rollback
-        if $rollback_error =~ /$exception_class/;
+        if $_ =~ /$exception_class/;
 
       $self->throw_exception(
-        "Transaction aborted: $error. Rollback failed: ${rollback_error}"
+        "Transaction aborted: $error. Rollback failed: $_"
       );
     }
     $self->throw_exception($error); # txn failed but rollback succeeded
-  }
+  };
 
   return $wantarray ? @return_values : $return_value;
 }
diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm
index c103721..76e9c49 100644
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -16,7 +16,6 @@ use List::Util();
 use Data::Dumper::Concise();
 use Sub::Name ();
 use Try::Tiny;
-
 use File::Path ();
 
 __PACKAGE__->mk_group_accessors('simple' =>
@@ -723,41 +722,25 @@ sub dbh_do {
 
   my $dbh = $self->_get_dbh;
 
-  return $self->$code($dbh, @_) if $self->{_in_dbh_do}
-      || $self->{transaction_depth};
+  return $self->$code($dbh, @_)
+    if ( $self->{_in_dbh_do} || $self->{transaction_depth} );
 
   local $self->{_in_dbh_do} = 1;
 
-  my @result;
-  my $want_array = wantarray;
-
-  my $exception;
   my @args = @_;
   try {
-
-    if($want_array) {
-        @result = $self->$code($dbh, @args);
-    }
-    elsif(defined $want_array) {
-        $result[0] = $self->$code($dbh, @args);
-    }
-    else {
-        $self->$code($dbh, @args);
-    }
+    return $self->$code ($dbh, @args);
   } catch {
-    $exception = shift;
-  };
-
-  if(! defined $exception) { return $want_array ? @result : $result[0] }
+    $self->throw_exception($_) if $self->connected;
 
-  $self->throw_exception($exception) if $self->connected;
+    # We were not connected - reconnect and retry, but let any
+    #  exception fall right through this time
+    carp "Retrying $code after catching disconnected exception: $_"
+      if $ENV{DBIC_DBIRETRY_DEBUG};
 
-  # We were not connected - reconnect and retry, but let any
-  #  exception fall right through this time
-  carp "Retrying $code after catching disconnected exception: $exception"
-    if $ENV{DBIC_DBIRETRY_DEBUG};
-  $self->_populate_dbh;
-  $self->$code($self->_dbh, @_);
+    $self->_populate_dbh;
+    $self->$code($self->_dbh, @args);
+  };
 }
 
 # This is basically a blend of dbh_do above and DBIx::Class::Storage::txn_do.
@@ -1174,7 +1157,6 @@ sub _connect {
     $DBI::connect_via = 'connect';
   }
 
-  my $exception;
   try {
     if(ref $info[0] eq 'CODE') {
        $dbh = $info[0]->();
@@ -1183,7 +1165,11 @@ sub _connect {
        $dbh = DBI->connect(@info);
     }
 
-    if($dbh && !$self->unsafe) {
+    if (!$dbh) {
+      die $DBI::errstr;
+    }
+
+    unless ($self->unsafe) {
       my $weak_self = $self;
       Scalar::Util::weaken($weak_self);
       $dbh->{HandleError} = sub {
@@ -1200,17 +1186,15 @@ sub _connect {
       $dbh->{RaiseError} = 1;
       $dbh->{PrintError} = 0;
     }
-  } catch {
-    $exception = $_;
+  }
+  catch {
+    $self->throw_exception("DBI Connection failed: $_")
+  }
+  finally {
+    $DBI::connect_via = $old_connect_via if $old_connect_via;
   };
 
-  $DBI::connect_via = $old_connect_via if $old_connect_via;
-
-  $self->throw_exception("DBI Connection failed: " . ((defined $exception && $exception) || $DBI::errstr))
-    if !$dbh || defined $exception;
-
   $self->_dbh_autocommit($dbh->{AutoCommit});
-
   $dbh;
 }
 
@@ -1376,14 +1360,17 @@ sub txn_rollback {
     else {
       die DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION->new;
     }
-  } catch {
-    my $error = shift;
-    my $exception_class = "DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION";
-    $error =~ /$exception_class/ and $self->throw_exception($error);
-    # ensure that a failed rollback resets the transaction depth
-    $self->{transaction_depth} = $self->_dbh_autocommit ? 0 : 1;
-    $self->throw_exception($error);
   }
+  catch {
+    my $exception_class = "DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION";
+
+    if ($_ !~ /$exception_class/) {
+      # ensure that a failed rollback resets the transaction depth
+      $self->{transaction_depth} = $self->_dbh_autocommit ? 0 : 1;
+    }
+
+    $self->throw_exception($_)
+  };
 }
 
 sub _dbh_rollback {
@@ -1680,18 +1667,25 @@ sub _execute_array {
     $placeholder_index++;
   }
 
-  my $rv;
-  my $err;
+  my ($rv, $err);
   try {
     $rv = $self->_dbh_execute_array($sth, $tuple_status, @extra);
-  } catch {
+  }
+  catch {
     $err = shift;
+  }
+  finally {
+    # Statement must finish even if there was an exception.
+    try {
+      $sth->finish
+    }
+    catch {
+      $err = shift unless defined $err 
+    };
   };
-  $err = defined $err ? $err : ($sth->err ? $sth->errstr : undef );
 
-# Statement must finish even if there was an exception.
-  try { $sth->finish } 
-  catch { $err = shift unless defined $err };
+  $err = $sth->errstr
+    if (! defined $err and $sth->err);
 
   if (defined $err) {
     my $i = 0;
@@ -1707,6 +1701,7 @@ sub _execute_array {
       }),
     );
   }
+
   return $rv;
 }
 
@@ -1719,25 +1714,28 @@ sub _dbh_execute_array {
 sub _dbh_execute_inserts_with_no_binds {
   my ($self, $sth, $count) = @_;
 
-  my $exception;
+  my $err;
   try {
     my $dbh = $self->_get_dbh;
     local $dbh->{RaiseError} = 1;
     local $dbh->{PrintError} = 0;
 
     $sth->execute foreach 1..$count;
-  } catch {
-    $exception = shift;
-  };
-
-# Make sure statement is finished even if there was an exception.
-  try { 
-    $sth->finish 
-  } catch {
-    $exception = shift unless defined $exception;
+  }
+  catch {
+    $err = shift;
+  }
+  finally {
+    # Make sure statement is finished even if there was an exception.
+    try {
+      $sth->finish
+    }
+    catch {
+      $err = shift unless defined $err;
+    };
   };
 
-  $self->throw_exception($exception) if defined $exception;
+  $self->throw_exception($err) if defined $err;
 
   return $count;
 }
@@ -2192,15 +2190,15 @@ sub _placeholders_supported {
 
   # some drivers provide a $dbh attribute (e.g. Sybase and $dbh->{syb_dynamic_supported})
   # but it is inaccurate more often than not
-  my $rc = 1;
-  try {
+  return try {
     local $dbh->{PrintError} = 0;
     local $dbh->{RaiseError} = 1;
     $dbh->do('select ?', {}, 1);
-  } catch {
-    $rc = 0;
+    1;
+  }
+  catch {
+    0;
   };
-  return $rc;
 }
 
 # Check if placeholders bound to non-string types throw exceptions
@@ -2209,16 +2207,16 @@ sub _typeless_placeholders_supported {
   my $self = shift;
   my $dbh  = $self->_get_dbh;
 
-  my $rc = 1;
-  try {
+  return try {
     local $dbh->{PrintError} = 0;
     local $dbh->{RaiseError} = 1;
     # this specifically tests a bind that is NOT a string
     $dbh->do('select 1 where 1 = ?', {}, 1);
-  } catch {
-    $rc = 0;
+    1;
+  }
+  catch {
+    0;
   };
-  return $rc;
 }
 
 =head2 sqlt_type
diff --git a/lib/DBIx/Class/Storage/DBI/ADO.pm b/lib/DBIx/Class/Storage/DBI/ADO.pm
index 6523664..83d2a09 100644
--- a/lib/DBIx/Class/Storage/DBI/ADO.pm
+++ b/lib/DBIx/Class/Storage/DBI/ADO.pm
@@ -11,24 +11,18 @@ sub _rebless {
 # XXX This should be using an OpenSchema method of some sort, but I don't know
 # how.
 # Current version is stolen from Sybase.pm
-  my $caught;
-  my $dbtype;
   try {
-    $dbtype = @{$self->_get_dbh
+    my $dbtype = @{$self->_get_dbh
       ->selectrow_arrayref(qq{sp_server_info \@attribute_id=1})
-    }[2]
-  } catch {
-    $caught = 1;
-  };
+    }[2];
 
-  unless ($caught) {
     $dbtype =~ s/\W/_/gi;
     my $subclass = "DBIx::Class::Storage::DBI::ADO::${dbtype}";
     if ($self->load_optional_class($subclass) && !$self->isa($subclass)) {
       bless $self, $subclass;
       $self->_rebless;
     }
-  }
+  };
 }
 
 # Here I was just experimenting with ADO cursor types, left in as a comment in
diff --git a/lib/DBIx/Class/Storage/DBI/Cursor.pm b/lib/DBIx/Class/Storage/DBI/Cursor.pm
index ef3ba30..352ba08 100644
--- a/lib/DBIx/Class/Storage/DBI/Cursor.pm
+++ b/lib/DBIx/Class/Storage/DBI/Cursor.pm
@@ -152,7 +152,8 @@ sub reset {
   my ($self) = @_;
 
   # No need to care about failures here
-  try { $self->sth->finish if $self->sth && $self->sth->{Active} };
+  try { $self->sth->finish }
+    if $self->sth && $self->sth->{Active};
   $self->_soft_reset;
   return undef;
 }
@@ -178,7 +179,8 @@ sub DESTROY {
   my ($self) = @_;
 
   # None of the reasons this would die matter if we're in DESTROY anyways
-  try { $self->sth->finish if $self->sth && $self->sth->{Active} };
+  try { $self->sth->finish }
+    if $self->sth && $self->sth->{Active};
 }
 
 1;
diff --git a/lib/DBIx/Class/Storage/DBI/InterBase.pm b/lib/DBIx/Class/Storage/DBI/InterBase.pm
index db1021a..4c4217a 100644
--- a/lib/DBIx/Class/Storage/DBI/InterBase.pm
+++ b/lib/DBIx/Class/Storage/DBI/InterBase.pm
@@ -126,14 +126,12 @@ sub _ping {
   local $dbh->{RaiseError} = 1;
   local $dbh->{PrintError} = 0;
 
-  my $rc = 1;
-  try {
+  return try {
     $dbh->do('select 1 from rdb$database');
+    1;
   } catch {
-    $rc = 0;
+    0;
   };
-
-  return $rc;
 }
 
 # We want dialect 3 for new features and quoting to work, DBD::InterBase uses
diff --git a/lib/DBIx/Class/Storage/DBI/MSSQL.pm b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
index 5218070..0b1e57e 100644
--- a/lib/DBIx/Class/Storage/DBI/MSSQL.pm
+++ b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
@@ -242,14 +242,12 @@ sub _ping {
   local $dbh->{RaiseError} = 1;
   local $dbh->{PrintError} = 0;
 
-  my $rc = 1;
-  try {
+  return try {
     $dbh->do('select 1');
+    1;
   } catch {
-    $rc = 0;
+    0;
   };
-
-  return $rc;
 }
 
 package # hide from PAUSE
diff --git a/lib/DBIx/Class/Storage/DBI/ODBC.pm b/lib/DBIx/Class/Storage/DBI/ODBC.pm
index 98ca586..8f2642c 100644
--- a/lib/DBIx/Class/Storage/DBI/ODBC.pm
+++ b/lib/DBIx/Class/Storage/DBI/ODBC.pm
@@ -7,22 +7,20 @@ use mro 'c3';
 use Try::Tiny;
 
 sub _rebless {
-    my ($self) = @_;
-
-    my $caught;
-    my $dbtype;
-    try { $self->_get_dbh->get_info(17) }
-    catch { $caught = 1 };
-
-    unless ( $caught ) {
-        # Translate the backend name into a perl identifier
-        $dbtype =~ s/\W/_/gi;
-        my $subclass = "DBIx::Class::Storage::DBI::ODBC::${dbtype}";
-        if ($self->load_optional_class($subclass) && !$self->isa($subclass)) {
-            bless $self, $subclass;
-            $self->_rebless;
-        }
+  my ($self) = @_;
+
+  try {
+    my $dbtype = $self->_get_dbh->get_info(17);
+
+    # Translate the backend name into a perl identifier
+    $dbtype =~ s/\W/_/gi;
+    my $subclass = "DBIx::Class::Storage::DBI::ODBC::${dbtype}";
+
+    if ($self->load_optional_class($subclass) && !$self->isa($subclass)) {
+      bless $self, $subclass;
+      $self->_rebless;
     }
+  };
 }
 
 1;
diff --git a/lib/DBIx/Class/Storage/DBI/Oracle.pm b/lib/DBIx/Class/Storage/DBI/Oracle.pm
index cfa9df6..b977ec6 100644
--- a/lib/DBIx/Class/Storage/DBI/Oracle.pm
+++ b/lib/DBIx/Class/Storage/DBI/Oracle.pm
@@ -10,22 +10,19 @@ use Try::Tiny;
 sub _rebless {
     my ($self) = @_;
 
-    my $caught;
-    my $version;
-    try { $self->_get_dbh->get_info(18); }
-    catch { $caught = 1 };
-
-    if ( ! $caught ) {
-        my ($major, $minor, $patchlevel) = split(/\./, $version);
-
-        # Default driver
-        my $class = $major <= 8
-          ? 'DBIx::Class::Storage::DBI::Oracle::WhereJoins'
-          : 'DBIx::Class::Storage::DBI::Oracle::Generic';
-
-        $self->ensure_class_loaded ($class);
-        bless $self, $class;
-    }
+    try {
+      my $version = $self->_get_dbh->get_info(18);
+
+      my ($major, $minor, $patchlevel) = split(/\./, $version);
+
+      # Default driver
+      my $class = $major <= 8
+        ? 'DBIx::Class::Storage::DBI::Oracle::WhereJoins'
+        : 'DBIx::Class::Storage::DBI::Oracle::Generic';
+
+      $self->ensure_class_loaded ($class);
+      bless $self, $class;
+    };
 }
 
 1;
diff --git a/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm b/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm
index 74c151d..3c28b08 100644
--- a/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm
+++ b/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm
@@ -113,50 +113,35 @@ sub _ping {
   local $dbh->{RaiseError} = 1;
   local $dbh->{PrintError} = 0;
 
-  my $rc = 1;
-  try {
+  return try {
     $dbh->do('select 1 from dual');
+    1;
   } catch {
-    $rc = 0;
+    0;
   };
-
-  return $rc;
 }
 
 sub _dbh_execute {
   my $self = shift;
   my ($dbh, $op, $extra_bind, $ident, $bind_attributes, @args) = @_;
 
-  my $wantarray = wantarray;
-
-  my (@res, $exception, $retried);
-
-  RETRY: {
-    do {
-      my $exception;
-      try {
-        if ($wantarray) {
-          @res    = $self->next::method(@_);
-        } else {
-          $res[0] = $self->next::method(@_);
-        }
-      } catch {
-        $exception = shift;
-      };
-      if ($exception =~ /ORA-01003/) {
+  my $retried;
+  do {
+    try {
+      return $self->next::method($dbh, $op, $extra_bind, $ident, $bind_attributes, @args);
+    }
+    catch {
+      if (!$retried and $_ =~ /ORA-01003/) {
         # ORA-01003: no statement parsed (someone changed the table somehow,
         # invalidating your cursor.)
         my ($sql, $bind) = $self->_prep_for_execute($op, $extra_bind, $ident, \@args);
         delete $dbh->{CachedKids}{$sql};
-      } else {
-        last RETRY;
       }
-    } while (not $retried++);
-  }
-
-  $self->throw_exception($exception) if $exception;
-
-  $wantarray ? @res : $res[0]
+      else {
+        $self->throw_exception($_);
+      }
+    };
+  } while (not $retried++);
 }
 
 =head2 get_autoinc_seq
diff --git a/lib/DBIx/Class/Storage/DBI/Replicated.pm b/lib/DBIx/Class/Storage/DBI/Replicated.pm
index 1024d47..783d334 100644
--- a/lib/DBIx/Class/Storage/DBI/Replicated.pm
+++ b/lib/DBIx/Class/Storage/DBI/Replicated.pm
@@ -651,7 +651,6 @@ sub execute_reliably {
   my @result;
   my $want_array = wantarray;
 
-  my $exception;
   try {
     if($want_array) {
       @result = $coderef->(@args);
diff --git a/lib/DBIx/Class/Storage/DBI/Replicated/Pool.pm b/lib/DBIx/Class/Storage/DBI/Replicated/Pool.pm
index a9f3793..7ce7de9 100644
--- a/lib/DBIx/Class/Storage/DBI/Replicated/Pool.pm
+++ b/lib/DBIx/Class/Storage/DBI/Replicated/Pool.pm
@@ -294,18 +294,16 @@ Returns 1 on success and undef on failure.
 sub _safely {
   my ($self, $replicant, $name, $code) = @_;
 
-  my $rc = 1;
-  try {
-    $code->()
+  return try {
+    $code->();
+    1;
   } catch {
     $replicant->debugobj->print(sprintf(
       "Exception trying to $name for replicant %s, error is %s",
       $replicant->_dbi_connect_info->[0], $_)
     );
-    $rc = undef;
+    undef;
   };
-
-  return $rc;
 }
 
 =head2 connected_replicants
diff --git a/lib/DBIx/Class/Storage/DBI/Replicated/WithDSN.pm b/lib/DBIx/Class/Storage/DBI/Replicated/WithDSN.pm
index a8e2d8a..50f4f8b 100644
--- a/lib/DBIx/Class/Storage/DBI/Replicated/WithDSN.pm
+++ b/lib/DBIx/Class/Storage/DBI/Replicated/WithDSN.pm
@@ -5,6 +5,7 @@ use Scalar::Util 'reftype';
 requires qw/_query_start/;
 
 use namespace::clean -except => 'meta';
+use Try::Tiny;
 
 =head1 NAME
 
diff --git a/lib/DBIx/Class/Storage/DBI/SQLAnywhere.pm b/lib/DBIx/Class/Storage/DBI/SQLAnywhere.pm
index 38a1775..0837554 100644
--- a/lib/DBIx/Class/Storage/DBI/SQLAnywhere.pm
+++ b/lib/DBIx/Class/Storage/DBI/SQLAnywhere.pm
@@ -5,6 +5,7 @@ use warnings;
 use base qw/DBIx::Class::Storage::DBI::UniqueIdentifier/;
 use mro 'c3';
 use List::Util ();
+use Try::Tiny;
 
 __PACKAGE__->mk_group_accessors(simple => qw/
   _identity
@@ -115,7 +116,7 @@ sub build_datetime_parser {
   my $self = shift;
   my $type = "DateTime::Format::Strptime";
   try {
-    eval "use ${type}"
+    eval "require ${type}"
   }
   catch {
     $self->throw_exception("Couldn't load ${type}: $_");
diff --git a/lib/DBIx/Class/Storage/DBI/Sybase.pm b/lib/DBIx/Class/Storage/DBI/Sybase.pm
index 3fe0930..9b1214c 100644
--- a/lib/DBIx/Class/Storage/DBI/Sybase.pm
+++ b/lib/DBIx/Class/Storage/DBI/Sybase.pm
@@ -54,21 +54,17 @@ sub _ping {
 
   if ($dbh->{syb_no_child_con}) {
 # if extra connections are not allowed, then ->ping is reliable
-    my $alive;
-    try { $alive = $dbh->ping } catch { $alive = 0 };
-    return $alive;
+    return try { $dbh->ping } catch { 0; };
   }
 
-  my $rc = 1;
-  try {
+  return try {
 # XXX if the main connection goes stale, does opening another for this statement
 # really determine anything?
     $dbh->do('select 1');
+    1;
   } catch {
-    $rc = 0;
+    0;
   };
-
-  return $rc;
 }
 
 sub _set_max_connect {