Move db_select() call from CI_DB_driver::initialize() to db_connect()
so that it's only called by drivers that need it ('mysql', 'mssql').
As proposed in issue #2187.
diff --git a/user_guide_src/source/helpers/url_helper.rst b/user_guide_src/source/helpers/url_helper.rst
index 0afa7ef..8b5361f 100644
--- a/user_guide_src/source/helpers/url_helper.rst
+++ b/user_guide_src/source/helpers/url_helper.rst
@@ -380,4 +380,4 @@
will *automatically* be selected when the page is currently accessed
via POST and HTTP/1.1 is used.
-.. important:: This function will terminate script execution.
+.. important:: This function will terminate script execution.
\ No newline at end of file