As I have promissed, here comes the documentation patch. I am not native
speeker, so may be it will need an edit.
Also, I have added processing of environment valiables ORA_POOL_CLASS,
ORA_POOL_MIN, ORA_POOL_MAX, ORA_POOL_INCR if there is ORA_DRCP env set.
Best regards
luben
Index: Oracle.pm
===================================================================
--- Oracle.pm (revision 14227)
+++ Oracle.pm (working copy)
@@ -227,14 +227,26 @@
# create a 'blank' dbh
$user = '' if not defined $user;
- (my $user_only = $user) =~ s:/.*::;
-
- if (substr($dbname,-7,7) eq ':POOLED'){
- $dbname=substr($dbname,0,-7);
- $attr->{ora_drcp} = 1;
+ (my $user_only = $user) =~ s:/.*::;
+
+ if (substr($dbname,-7,7) eq ':POOLED'){
+ $dbname=substr($dbname,0,-7);
+ $attr->{ora_drcp} = 1;
+ }
+ elsif ($ENV{ORA_DRCP}){
+ $attr->{ora_drcp} = 1;
+ if (exists $ENV{ORA_POOL_CLASS}) {
+ $attr->{ora_pool_class} = $ENV{ORA_POOL_CLASS}
}
- elsif ($ENV{ORA_DRCP}){
- $attr->{ora_drcp} = 1;
+ if (exists $ENV{ORA_POOL_MIN}) {
+ $attr->{ora_pool_min} = $ENV{ORA_POOL_MIN}
+ }
+ if (exists $ENV{ORA_POOL_MAX}) {
+ $attr->{ora_pool_max} = $ENV{ORA_POOL_MAX}
+ }
+ if (exists $ENV{ORA_POOL_INCR}) {
+ $attr->{ora_pool_incr} = $ENV{ORA_POOL_INCR}
+ }
}
my ($dbh, $dbh_inner) = DBI::_new_dbh($drh, {
@@ -1346,7 +1358,7 @@
$dbh = DBI->connect('dbi:Oracle:','usern...@db:POOLED','password')
- $dbh = DBI->connect('dbi:Oracle:DB','username','password',{ora_drcp=>1})
+ $dbh = DBI->connect('dbi:Oracle:DB','username','password',{ora_drcp=>1,
ora_pool_class=>'my_app', ora_pool_min=>10})
$dbh =
DBI->connect('dbi:Oracle:host=foobar;sid=ORCL;port=1521;SERVER=POOLED',
'scott/tiger', '')
@@ -1354,7 +1366,7 @@
(ADDRESS=(PROTOCOL=TCP)(HOST= foobar)(PORT=1521))
(CONNECT_DATA=(SID=ORCL)(SERVER=POOLED)))}, "")
- if ORA_DRCP environemt var is set the just this
+ if ORA_DRCP and ORA_POOL_CLASS environemt var are set you could use just this
$dbh = DBI->connect('dbi:Oracle:DB','username','password')
@@ -1530,13 +1542,60 @@
=item ora_drcp
-If you have an 11.2 or greater database your can utilize the the DRCP by
setting
-this attribute to 1 at connect time.
+If you have an 11.2 or greater database your can utilize the the DRCP
+(Database Resident Connection Pooling) by setting this attribute to 1
+at connect time.
For convenience I have added support for a 'ORA_DRCP'
environment variable that you can use at the OS level to set this
value. If used it will take the value at the connect stage.
+=item ora_pool_class
+
+If you use DRCP, you could set CONNECTION_CLASS at connection time.
+
+The connections are pooled based on unique SID/USERNAME/CONNECTION_CLASS.
+If you do not set the class attribute the connections will be pooled only
+within the boundaries of the process, becoming equivalent to a plain
+client-side session pooling application.
+
+For convenience I have added support for a 'ORA_POOL_CLASS'
+environment variable that you can use at the OS level to set this
+value. It will be used only if you use 'ORA_DRCP' environment variable.
+If used it will take the value at the connect stage.
+
+=item ora_pool_min
+
+If you use DRCP, you could set initial servers in the pool that will get
+started. Default value is 4 as per DBMS_CONNECTION_POOL default.
+
+For convenience I have added support for a 'ORA_POOL_MIN'
+environment variable that you can use at the OS level to set this
+value. It will be used only if you use 'ORA_DRCP' environment variable.
+If used it will take the value at the connect stage.
+
+
+=item ora_pool_max
+
+If you use DRCP, you could set maximum servers in the pool. Default value
+is 40 as per DBMS_CONNECTION_POOL default.
+
+For convenience I have added support for a 'ORA_POOL_MAX'
+environment variable that you can use at the OS level to set this
+value. It will be used only if you use 'ORA_DRCP' environment variable.
+If used it will take the value at the connect stage.
+
+=item ora_pool_incr
+
+If you use DRCP, you could set how much new servers will get started if all
+servers in the pool are busy. Default value is 2 as per DBMS_CONNECTION_POOL
+default.
+
+For convenience I have added support for a 'ORA_POOL_INCR'
+environment variable that you can use at the OS level to set this
+value. It will be used only if you use 'ORA_DRCP' environment variable.
+If used it will take the value at the connect stage.
+
=item ora_session_mode
The ora_session_mode attribute can be used to connect with SYSDBA
