diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index a092ab254a8..a8f1bf36a17 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -230,6 +230,9 @@ class DoliDBPgsql
     			// on update defaulted by now
     			$line=preg_replace('/(\s*)tms(\s*)timestamp/i','\\1tms timestamp without time zone DEFAULT now() NOT NULL',$line);
     			
+    			// nuke ON UPDATE CURRENT_TIMESTAMP
+    			$line=preg_replace('/(\s*)on(\s*)update(\s*)CURRENT_TIMESTAMP/i','\\1',$line);
+    			
     			// unique index(field1,field2)
     			if (preg_match('/unique index\s*\((\w+\s*,\s*\w+)\)/i',$line))
     			{
diff --git a/htdocs/install/mysql/migration/3.2.0-3.3.0.sql b/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
index 8b51f95f176..e48e81b2051 100755
--- a/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
+++ b/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
@@ -300,7 +300,7 @@ create table llx_accounting_system
   active            smallint        DEFAULT 0
 )ENGINE=innodb;
 
-ALTER TABLE llx_accounting_system ADD INDEX idx_accounting_system_pcg_version (pcg_version);
+ALTER TABLE llx_accounting_system ADD UNIQUE INDEX idx_accounting_system_pcg_version (pcg_version);
 
 create table llx_accountingaccount
 (
@@ -879,4 +879,4 @@ create table llx_user_extrafields
   import_key       varchar(14)      	-- import key
 )ENGINE=innodb;
 
-ALTER TABLE llx_user_extrafields ADD INDEX idx_user_extrafields (fk_object);
\ No newline at end of file
+ALTER TABLE llx_user_extrafields ADD INDEX idx_user_extrafields (fk_object);
diff --git a/htdocs/install/mysql/tables/llx_accounting_system.key.sql b/htdocs/install/mysql/tables/llx_accounting_system.key.sql
index f67852a8a6a..7b84fd5d6b6 100644
--- a/htdocs/install/mysql/tables/llx_accounting_system.key.sql
+++ b/htdocs/install/mysql/tables/llx_accounting_system.key.sql
@@ -18,5 +18,5 @@
 -- ===========================================================================
 
 
-ALTER TABLE llx_accounting_system ADD INDEX idx_accounting_system_pcg_version (pcg_version);
+ALTER TABLE llx_accounting_system ADD UNIQUE INDEX idx_accounting_system_pcg_version (pcg_version);
 
diff --git a/htdocs/install/pgsql/functions/functions.sql b/htdocs/install/pgsql/functions/functions.sql
index cd6133fece1..1f0fa45d79c 100644
--- a/htdocs/install/pgsql/functions/functions.sql
+++ b/htdocs/install/pgsql/functions/functions.sql
@@ -96,6 +96,8 @@ CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_product FOR EACH ROW
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_product_extrafields FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_product_fournisseur_price FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_product_price FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
+CREATE OR REPLACE FUNCTION update_modified_column_date_price()	RETURNS TRIGGER AS $$ BEGIN NEW.date_price = now(); RETURN NEW; END; $$ LANGUAGE 'PLPGSQL';
+CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_product_price_by_qty FOR EACH ROW EXECUTE PROCEDURE update_modified_column_date_price();
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_product_stock FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_projet FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_projet_task FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
@@ -112,5 +114,5 @@ CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_stock_mouvement FOR
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_texts FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_tva FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_user FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
+CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_user_extrafields FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
 CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON llx_usergroup FOR EACH ROW EXECUTE PROCEDURE update_modified_column_tms();
-