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authorTimothy Warren <tim@timshomepage.net>2012-03-02 15:29:27 +0100
committerTimothy Warren <tim@timshomepage.net>2012-03-02 15:29:27 +0100
commit6a3bda6a1fee45635f66f4e22d288f73334e9e48 (patch)
tree9a4a785e31daa46465e08a0b60ba7d076df04d6a /user_guide_src/source/database
parent2d04624cb59d5852f8e61d610ab822252cad685a (diff)
parent06400c0397793132e7517a1e414d104800e16667 (diff)
Merge branch 'develop' of git://github.com/EllisLab/CodeIgniter into develop
Diffstat (limited to 'user_guide_src/source/database')
-rw-r--r--user_guide_src/source/database/connecting.rst6
-rw-r--r--user_guide_src/source/database/helpers.rst6
-rw-r--r--user_guide_src/source/database/queries.rst17
-rw-r--r--user_guide_src/source/database/utilities.rst6
4 files changed, 31 insertions, 4 deletions
diff --git a/user_guide_src/source/database/connecting.rst b/user_guide_src/source/database/connecting.rst
index a834cc0f7..fb4524116 100644
--- a/user_guide_src/source/database/connecting.rst
+++ b/user_guide_src/source/database/connecting.rst
@@ -122,6 +122,12 @@ return the database object.
| $DB1->result();
| etc...
+.. note:: You don't need to create separate database configurations if you
+ only need to use a different database on the same connection. You
+ can switch to a different database when you need to, like this:
+
+ | $this->db->db_select($database2_name);
+
Reconnecting / Keeping the Connection Alive
===========================================
diff --git a/user_guide_src/source/database/helpers.rst b/user_guide_src/source/database/helpers.rst
index 7ea19e9f6..e8a5ac801 100644
--- a/user_guide_src/source/database/helpers.rst
+++ b/user_guide_src/source/database/helpers.rst
@@ -7,9 +7,9 @@ $this->db->insert_id()
The insert ID number when performing database inserts.
-.. note:: If using the PDO driver with PostgreSQL, this function requires
- a $name parameter, which specifies the appropriate sequence to check
- for the insert id.
+.. note:: If using the PDO driver with PostgreSQL, or using the Interbase
+ driver, this function requires a $name parameter, which specifies the
+ appropriate sequence to check for the insert id.
$this->db->affected_rows()
===========================
diff --git a/user_guide_src/source/database/queries.rst b/user_guide_src/source/database/queries.rst
index 971d5d61d..15a73614a 100644
--- a/user_guide_src/source/database/queries.rst
+++ b/user_guide_src/source/database/queries.rst
@@ -112,3 +112,20 @@ The secondary benefit of using binds is that the values are
automatically escaped, producing safer queries. You don't have to
remember to manually escape data; the engine does it automatically for
you.
+
+***************
+Handling Errors
+***************
+
+$this->db->error();
+===================
+
+If you need to get the last error that has occured, the error() method
+will return an array containing its code and message. Here's a quick
+example::
+
+ if ( ! $this->db->simple_query('SELECT `example_field` FROM `example_table`'))
+ {
+ $error = $this->db->error(); // Has keys 'code' and 'message'
+ }
+
diff --git a/user_guide_src/source/database/utilities.rst b/user_guide_src/source/database/utilities.rst
index b0920109f..3805ffb87 100644
--- a/user_guide_src/source/database/utilities.rst
+++ b/user_guide_src/source/database/utilities.rst
@@ -161,7 +161,11 @@ $this->dbutil->backup()
Permits you to backup your full database or individual tables. The
backup data can be compressed in either Zip or Gzip format.
-.. note:: This features is only available for MySQL databases.
+.. note:: This features is only available for MySQL and Interbase/Firebird databases.
+
+.. note:: For Interbase/Firebird databases, the backup file name is the only parameter.
+
+ Eg. $this->dbutil->backup('db_backup_filename');
.. note:: Due to the limited execution time and memory available to PHP,
backing up very large databases may not be possible. If your database is