From: miker <miker@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Date: Thu, 18 Mar 2010 19:58:48 +0000 (+0000)
Subject: support * as a truncation operator in FTS.  NOTE: this will require Postgres 8.4... 
X-Git-Url: https://old-git.evergreen-ils.org/?a=commitdiff_plain;h=7b9fb2818d9b7441ddf09ebe42c4ed79bd40dba0;p=evergreen%2Fbjwebb.git

support * as a truncation operator in FTS.  NOTE: this will require Postgres 8.4 or newer!

git-svn-id: svn://svn.open-ils.org/ILS/trunk@15915 dcc99617-32d9-48b4-a31d-7c20da2025e4
---

diff --git a/Open-ILS/src/perlmods/OpenILS/Application/Storage/Driver/Pg/QueryParser.pm b/Open-ILS/src/perlmods/OpenILS/Application/Storage/Driver/Pg/QueryParser.pm
index 56c1fc0aa..16e41de62 100644
--- a/Open-ILS/src/perlmods/OpenILS/Application/Storage/Driver/Pg/QueryParser.pm
+++ b/Open-ILS/src/perlmods/OpenILS/Application/Storage/Driver/Pg/QueryParser.pm
@@ -532,7 +532,14 @@ sub buildSQL {
         $sql = $n->{function}."($sql)";
     }
 
-    $sql = "to_tsquery('$classname'," . ($self->prefix ? "\$_$$\$" . $self->prefix . "\$_$$\$||" : '') . "'('||regexp_replace($sql,E'(?:\\\\s+|:)','&','g')||')')";
+    my $prefix = $self->prefix || '';
+    my $suffix = $self->suffix || '';
+
+    $prefix = "'$prefix' ||" if $prefix;
+    my $suffix_op = ":$suffix" if $suffix;
+    my $suffix_after = "|| '$suffix_op'" if $suffix;
+
+    $sql = "to_tsquery('$classname', $prefix '(' || regexp_replace($sql,E'(?:\\\\s+|:)','$suffix_op&','g') $suffix_after || ')')";
 
     return $self->sql($sql);
 }
diff --git a/Open-ILS/src/perlmods/OpenILS/Application/Storage/QueryParser.pm b/Open-ILS/src/perlmods/OpenILS/Application/Storage/QueryParser.pm
index 3b7fb335d..1be02e87b 100755
--- a/Open-ILS/src/perlmods/OpenILS/Application/Storage/QueryParser.pm
+++ b/Open-ILS/src/perlmods/OpenILS/Application/Storage/QueryParser.pm
@@ -525,8 +525,9 @@ sub decompose {
 
             my $class_node = $struct->classed_node($current_class);
             my $negator = ($atom =~ s/^-//o) ? '!' : '';
+            my $truncate = ($atom =~ s/\*$//o) ? '*' : '';
 
-            $class_node->add_fts_atom( $atom, prefix => $negator, node => $class_node );
+            $class_node->add_fts_atom( $atom, suffix => $truncate, prefix => $negator, node => $class_node );
             $struct->joiner( '&' );
 
             $_ = $after;
@@ -865,6 +866,12 @@ sub prefix {
     return $self->{prefix};
 }
 
+sub suffix {
+    my $self = shift;
+    return undef unless (ref $self);
+    return $self->{suffix};
+}
+
 #-------------------------------
 package QueryParser::query_plan::filter;