From a4c5ab08d7be05c0f1cb90d90ff5c9980fa99b99 Mon Sep 17 00:00:00 2001
From: Will Spooner <whs@sanger.ac.uk>
Date: Wed, 22 Aug 2007 15:24:30 +0000
Subject: [PATCH] Performance optimisation in fetch_all_by_feature_class
method. Contributed by Shiran Pasternak at CSHL
---
modules/Bio/EnsEMBL/DBSQL/AnalysisAdaptor.pm | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/modules/Bio/EnsEMBL/DBSQL/AnalysisAdaptor.pm b/modules/Bio/EnsEMBL/DBSQL/AnalysisAdaptor.pm
index 34fd4c3a66..7093cd4fcf 100755
--- a/modules/Bio/EnsEMBL/DBSQL/AnalysisAdaptor.pm
+++ b/modules/Bio/EnsEMBL/DBSQL/AnalysisAdaptor.pm
@@ -153,9 +153,7 @@ sub fetch_all_by_feature_class {
return [] );
my $sql_t = qq|
-SELECT DISTINCT( a.analysis_id )
-FROM analysis a, %s f
-WHERE a.analysis_id=f.analysis_id |;
+SELECT DISTINCT a.analysis_id FROM %s |;
my $sql = sprintf( $sql_t, $feat_table );
my $sth = $self->prepare( $sql );
--
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