From: Sven Schöling <s.schoeling@linet-services.de>
Date: Mon, 17 Sep 2012 12:33:06 +0000 (+0200)
Subject: DBUpgrade kann jetzt auch dollar quoting in SQL.
X-Git-Tag: release-3.0.0beta1~232^2~5
X-Git-Url: http://wagnertech.de/git?a=commitdiff_plain;h=b2448c147778ca345decb911aee36f13eca610ae;p=kivitendo-erp.git

DBUpgrade kann jetzt auch dollar quoting in SQL.
---

diff --git a/SL/DBUpgrade2.pm b/SL/DBUpgrade2.pm
index be7c54f5b..a74e8ae82 100644
--- a/SL/DBUpgrade2.pm
+++ b/SL/DBUpgrade2.pm
@@ -162,13 +162,26 @@ sub process_query {
       if (@quote_chars) {
         if ($char eq $quote_chars[-1]) {
           pop(@quote_chars);
+        } elsif (length $quote_chars[-1] > 1
+             &&  substr($quote_chars[-1], 0, 1) eq $char
+             &&  substr($_, $i, length $quote_chars[-1]) eq $quote_chars[-1]) {
+          $i   += length $quote_chars[-1] - 1;
+          $char = $quote_chars[-1];
+          pop(@quote_chars);
         }
         $query .= $char;
 
       } else {
+        my ($tag, $tag_end);
         if (($char eq "'") || ($char eq "\"")) {
           push(@quote_chars, $char);
 
+        } elsif ($char eq '$'                                      # start of dollar quoting
+             && ($tag_end = index($_, '$', $i + 1)) > -1           # ends on same line
+             && (do { substr($_, $i + 1, $tag_end - $i - 1); 1 })  # extract tag
+             &&  $tag =~ /^ (?= [A-Za-z_] [A-Za-z0-9_]* | ) $/x) { # tag is identifier
+          push @quote_chars, $char = '$' . $tag . '$';
+          $i = $tag_end;
         } elsif ($char eq ";") {
 
           # Query is complete. Send it.