'title' => ts('Price Field Start Date'),
'description' => ts('If non-zero, do not show this field before the date specified'),
'where' => 'civicrm_price_field.active_on',
- 'default' => 'NULL',
+ 'default' => NULL,
'table_name' => 'civicrm_price_field',
'entity' => 'PriceField',
'bao' => 'CRM_Price_BAO_PriceField',
'title' => ts('Price Field End Date'),
'description' => ts('If non-zero, do not show this field after the date specified'),
'where' => 'civicrm_price_field.expire_on',
- 'default' => 'NULL',
+ 'default' => NULL,
'table_name' => 'civicrm_price_field',
'entity' => 'PriceField',
'bao' => 'CRM_Price_BAO_PriceField',