[Evolvis-commits] r272: Added the db_drop_table_if_exists function. ↵

mirabilos at evolvis.org mirabilos at evolvis.org
Thu Feb 25 14:13:36 CET 2010


Author: mirabilos
Date: 2010-02-25 13:13:36 +0000 (Thu, 25 Feb 2010)
New Revision: 272

Modified:
   trunk/gforge_base/evolvisforge/
   trunk/gforge_base/evolvisforge/gforge/utils/include.pl
Log:
Added the db_drop_table_if_exists function.



Property changes on: trunk/gforge_base/evolvisforge
___________________________________________________________________
Name: bzr:revision-info
   - timestamp: 2001-09-04 17:06:56.000000000 +0000
committer: lo-lan-do

   + timestamp: 2001-09-04 17:10:03.000000000 +0000
committer: lo-lan-do

Name: bzr:file-ids
   - gforge/deb-specific/dns.head.template	7 at 9d84d37e-dcb1-4aad-b103-6f3d92f53bf6:trunk%2Fgforge%2Fdeb-specific%2Fdns.head.template

   + gforge/utils/include.pl	2 at 9d84d37e-dcb1-4aad-b103-6f3d92f53bf6:trunk%2Fgforge%2Futils%2Finclude.pl

Name: bzr:revision-id:v4
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   + 1 svn-v4:9d84d37e-dcb1-4aad-b103-6f3d92f53bf6:trunk:1
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Name: bzr:text-parents
   - gforge/deb-specific/dns.head.template	svn-v4:9d84d37e-dcb1-4aad-b103-6f3d92f53bf6:trunk:7

   + gforge/utils/include.pl	svn-v4:9d84d37e-dcb1-4aad-b103-6f3d92f53bf6:trunk:7


Modified: trunk/gforge_base/evolvisforge/gforge/utils/include.pl
===================================================================
--- trunk/gforge_base/evolvisforge/gforge/utils/include.pl	2010-02-25 13:13:33 UTC (rev 271)
+++ trunk/gforge_base/evolvisforge/gforge/utils/include.pl	2010-02-25 13:13:36 UTC (rev 272)
@@ -47,6 +47,21 @@
 	die "Cannot connect to database: $!" if ( ! $dbh );
 }
 
+sub db_drop_table_if_exists {
+    my ($sql, $res, $n, $tn) ;
+    $tn = shift ;
+    $sql = "SELECT COUNT(*) FROM pg_class WHERE relname='$tn'";
+    $res = $dbh->prepare($sql);
+    $res->execute();
+    ($n) = $res->fetchrow() ;
+    $res->finish () ;
+    if ($n != 0) {
+	$sql = "DROP TABLE $tn";
+	$res = $dbh->prepare($sql);
+	$res->finish () ;
+    }
+}
+
 ##############################
 # File open function, spews the entire file to an array.
 ##############################




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