Centralize handling of minimum sqlt version to DBIx::Class

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class.pm

diff --git a/lib/DBIx/Class.pm b/lib/DBIx/Class.pm
index 7d2b004..9d49b69 100644 (file)
--- a/lib/DBIx/Class.pm
+++ b/lib/DBIx/Class.pm
@@ -29,6 +29,10 @@ $VERSION = '0.08109';
 
 $VERSION = eval $VERSION; # numify for warning-free dev releases
 
+# what version of sqlt do we require if deploy() without a ddl_dir is invoked
+# when changing also adjust $sqlt_recommends in Makefile.PL
+my $minimum_sqlt_version = '0.11002';
+
 sub MODIFY_CODE_ATTRIBUTES {
   my ($class,$code,@attrs) = @_;
   $class->mk_classdata('__attr_cache' => {})
@@ -44,6 +48,34 @@ sub _attr_cache {
   return $@ ? $cache : { %$cache, %$rest };
 }
 
+# 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 };
+}
+
+
 1;
 
 =head1 NAME