Do not cache the P::RD grammar - it breaks stuff

diff --git a/Changes b/Changes
index 361bcf8..454e0c8 100644 (file)
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@
 # x.xxxxx xxxx-xx-xx
 # ----------------------------------------------------------
 
+* Fixed Pg parser - caching the compiled P::RD schema is a *very*
+  bad idea
+
 # ----------------------------------------------------------
 # 0.09006 2009-06-10
 # ----------------------------------------------------------

diff --git a/lib/SQL/Translator/Parser/PostgreSQL.pm b/lib/SQL/Translator/Parser/PostgreSQL.pm
index e14a101..5a66cec 100644 (file)
--- a/lib/SQL/Translator/Parser/PostgreSQL.pm
+++ b/lib/SQL/Translator/Parser/PostgreSQL.pm
@@ -121,9 +121,6 @@ $::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error
 $::RD_WARN   = 1; # Enable warnings. This will warn on unused rules &c.
 $::RD_HINT   = 1; # Give out hints to help fix problems.
 
-my $parser; # should we do this?  There's no programmic way to 
-            # change the grammar, so I think this is safe.
-
 $GRAMMAR = q!
 
 { my ( %tables, @views, $table_order, $field_order, @table_comments) }
@@ -1013,7 +1010,7 @@ VALUE   : /[-+]?\.?\d+(?:[eE]\d+)?/
 # -------------------------------------------------------------------
 sub parse {
     my ( $translator, $data ) = @_;
-    $parser ||= Parse::RecDescent->new($GRAMMAR);
+    my $parser = Parse::RecDescent->new($GRAMMAR);
 
     $::RD_TRACE  = $translator->trace ? 1 : undef;
     $DEBUG       = $translator->debug;