Bug 9207 - Improve z39.50 speed slowdowns for sites with many records

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>

diff --git a/installer/data/mysql/kohastructure.sql b/installer/data/mysql/kohastructure.sql
index d004fe1..221c4e4 100644 (file)
--- a/installer/data/mysql/kohastructure.sql
+++ b/installer/data/mysql/kohastructure.sql
@@ -896,7 +896,8 @@ CREATE TABLE `import_records` (
   CONSTRAINT `import_records_ifbk_1` FOREIGN KEY (`import_batch_id`)
              REFERENCES `import_batches` (`import_batch_id`) ON DELETE CASCADE ON UPDATE CASCADE,
   KEY `branchcode` (`branchcode`),
-  KEY `batch_sequence` (`import_batch_id`, `record_sequence`)
+  KEY `batch_sequence` (`import_batch_id`, `record_sequence`),
+  KEY `batch_id_record_type` (`import_batch_id`,`record_type`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 --

diff --git a/installer/data/mysql/updatedatabase.pl b/installer/data/mysql/updatedatabase.pl
index 041040a..ee4aeba 100755 (executable)
--- a/installer/data/mysql/updatedatabase.pl
+++ b/installer/data/mysql/updatedatabase.pl
@@ -6477,6 +6477,16 @@ if ( CheckVersion($DBversion) ) {
 }
 
 
+$DBversion = "3.11.00.XXX";
+if ( CheckVersion($DBversion) ) {
+    $dbh->do(qq{
+        ALTER TABLE import_records ADD INDEX batch_id_record_type ( import_batch_id, record_type );
+    });
+    print "Upgrade to $DBversion done (Bug 9207: Add new index batch_id_record_type to import_records)\n";
+    SetVersion($DBversion);
+}
+
+
 =head1 FUNCTIONS
 
 =head2 TableExists($table)