X-Git-Url: http://git.equinoxoli.org/?p=migration-tools.git;a=blobdiff_plain;f=sql%2Fbase%2Fbase.sql;h=896a566ac59f60648e10b7a6d1ce32c6c63a7dcd;hp=aa3e990da4c4704d168b87eef9004db2c5ea8bfc;hb=63ccfa923cb4adef948792b49e8a222cf3a236bf;hpb=90bbdcc5c8ff3b27b01fa1ff9f2ccb77a11d5b57

diff --git a/sql/base/base.sql b/sql/base/base.sql
index aa3e990..896a566 100644
--- a/sql/base/base.sql
+++ b/sql/base/base.sql
@@ -2124,3 +2124,18 @@ CREATE OR REPLACE FUNCTION migration_tools.duplicate_template (INTEGER, INTEGER[
     END;
 $$ LANGUAGE PLPGSQL STRICT VOLATILE;
 
+CREATE OR REPLACE FUNCTION migration_tools.get_marc_tag (TEXT, TEXT, TEXT) RETURNS TEXT AS $$
+    my ($marcxml, $tag, $subfield) = @_;
+
+    use MARC::Record;
+    use MARC::File::XML;
+    use MARC::Field;
+
+    my $field;
+    eval {
+        my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+        $field = $marc->field($tag);
+    };
+    return $field->as_string($subfield);
+$$ LANGUAGE PLPERLU STABLE;
+