Improve trigger 'scope' attribute support (RT#119997)

[dbsrgits/SQL-Translator.git] / lib / SQL / Translator / Utils.pm

diff --git a/lib/SQL/Translator/Utils.pm b/lib/SQL/Translator/Utils.pm
index 1966e81..ccc7ad3 100644 (file)
--- a/lib/SQL/Translator/Utils.pm
+++ b/lib/SQL/Translator/Utils.pm
@@ -6,7 +6,7 @@ use Digest::SHA qw( sha1_hex );
 use File::Spec;
 use Scalar::Util qw(blessed);
 use Try::Tiny;
-use Carp qw(carp);
+use Carp qw(carp croak);
 
 our $VERSION = '1.59';
 our $DEFAULT_COMMENT = '-- ';
@@ -16,7 +16,8 @@ our @EXPORT_OK = qw(
     debug normalize_name header_comment parse_list_arg truncate_id_uniquely
     $DEFAULT_COMMENT parse_mysql_version parse_dbms_version
     ddl_parser_instance batch_alter_table_statements
-    throw ex2err carp_ro
+    uniq throw ex2err carp_ro
+    normalize_quote_options
 );
 use constant COLLISION_TAG_LENGTH => 8;
 
@@ -60,6 +61,46 @@ sub normalize_name {
     return $name;
 }
 
+sub normalize_quote_options {
+    my $config = shift;
+
+    my $quote;
+    if (defined $config->{quote_identifiers}) {
+      $quote = $config->{quote_identifiers};
+
+      for (qw/quote_table_names quote_field_names/) {
+        carp "Ignoring deprecated parameter '$_', since 'quote_identifiers' is supplied"
+          if defined $config->{$_}
+      }
+    }
+    # Legacy one set the other is not
+    elsif (
+      defined $config->{'quote_table_names'}
+        xor
+      defined $config->{'quote_field_names'}
+    ) {
+      if (defined $config->{'quote_table_names'}) {
+        carp "Explicitly disabling the deprecated 'quote_table_names' implies disabling 'quote_identifiers' which in turn implies disabling 'quote_field_names'"
+          unless $config->{'quote_table_names'};
+        $quote = $config->{'quote_table_names'} ? 1 : 0;
+      }
+      else {
+        carp "Explicitly disabling the deprecated 'quote_field_names' implies disabling 'quote_identifiers' which in turn implies disabling 'quote_table_names'"
+          unless $config->{'quote_field_names'};
+        $quote = $config->{'quote_field_names'} ? 1 : 0;
+      }
+    }
+    # Legacy both are set
+    elsif(defined $config->{'quote_table_names'}) {
+      croak 'Setting quote_table_names and quote_field_names to conflicting values is no longer supported'
+        if ($config->{'quote_table_names'} xor $config->{'quote_field_names'});
+
+      $quote = $config->{'quote_table_names'} ? 1 : 0;
+    }
+
+    return $quote;
+}
+
 sub header_comment {
     my $producer = shift || caller;
     my $comment_char = shift;
@@ -325,6 +366,15 @@ sub _find_co_root {
     }
 }
 
+sub uniq {
+  my( %seen, $seen_undef, $numeric_preserving_copy );
+  grep { not (
+    defined $_
+      ? $seen{ $numeric_preserving_copy = $_ }++
+      : $seen_undef++
+  ) } @_;
+}
+
 sub throw {
     die SQL::Translator::Utils::Error->new($_[0]);
 }