From 6d9c9459a7bdbd856100c39c148706e707c1811b Mon Sep 17 00:00:00 2001
From: "bugreport%peshkin.net"
 <bugreport%peshkin.net@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Thu, 27 May 2004 02:40:18 +0000
Subject: [PATCH] Bug 243351: Fix mysql version sensitivity in case-sensitive
 search r=jouni a=justdave

git-svn-id: svn://10.0.0.236/trunk@157000 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/webtools/bugzilla/Bugzilla/DB.pm     | 10 ++++++++++
 mozilla/webtools/bugzilla/Bugzilla/Search.pm | 10 +++++++++-
 mozilla/webtools/bugzilla/checksetup.pl      |  5 +++++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/mozilla/webtools/bugzilla/Bugzilla/DB.pm b/mozilla/webtools/bugzilla/Bugzilla/DB.pm
index 684869006ec..a766a6e04ba 100644
--- a/mozilla/webtools/bugzilla/Bugzilla/DB.pm
+++ b/mozilla/webtools/bugzilla/Bugzilla/DB.pm
@@ -164,6 +164,16 @@ sub _handle_error {
     return 0; # Now let DBI handle raising the error
 }
 
+my $cached_server_version;
+sub server_version {
+    return $cached_server_version if defined($cached_server_version);
+    my $dbh = Bugzilla->dbh;
+    my $sth = $dbh->prepare('SELECT VERSION()');
+    $sth->execute();
+    ($cached_server_version) = $sth->fetchrow_array();
+    return $cached_server_version;
+}
+
 1;
 
 __END__
diff --git a/mozilla/webtools/bugzilla/Bugzilla/Search.pm b/mozilla/webtools/bugzilla/Bugzilla/Search.pm
index 241439cf590..5f0e625aa5d 100644
--- a/mozilla/webtools/bugzilla/Bugzilla/Search.pm
+++ b/mozilla/webtools/bugzilla/Bugzilla/Search.pm
@@ -711,7 +711,15 @@ sub init {
              $term = "$ff != $q";
          },
          ",casesubstring" => sub {
-             $term = "INSTR(CAST($ff AS BINARY), CAST($q AS BINARY))";
+             # mysql 4.0.1 and lower do not support CAST
+             # mysql 3.*.* had a case-sensitive INSTR
+             # (checksetup has a check for unsupported versions)
+             my $server_version = Bugzilla::DB->server_version;
+             if ($server_version =~ /^3\./) {
+                 $term = "INSTR($ff ,$q)";
+             } else {
+                 $term = "INSTR(CAST($ff AS BINARY), CAST($q AS BINARY))";
+             }
          },
          ",substring" => sub {
              $term = "INSTR(LOWER($ff), " . lc($q) . ")";
diff --git a/mozilla/webtools/bugzilla/checksetup.pl b/mozilla/webtools/bugzilla/checksetup.pl
index 8fc37f2ad5e..9d23579454a 100755
--- a/mozilla/webtools/bugzilla/checksetup.pl
+++ b/mozilla/webtools/bugzilla/checksetup.pl
@@ -1449,6 +1449,11 @@ if ($my_db_check) {
             "   Bugzilla requires version $sql_want or later of MySQL.\n" . 
             "   Please visit http://www.mysql.com/ and download a newer version.\n";
     }
+    if (( $sql_vers =~ /^4\.0\.(\d+)/ ) && ($1 < 2)) {
+        die "\nYour MySQL server is incompatible with Bugzilla.\n" .
+            "   Bugzilla does not support versions 4.x.x below 4.0.2.\n" .
+            "   Please visit http://www.mysql.com/ and download a newer version.\n";
+    }
 
     my @databases = $dbh->func('_ListDBs');
     unless (grep /^$my_db_name$/, @databases) {