[ci skip] 3.1.5 release

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diff --git a/user_guide_src/source/database/helpers.rst b/user_guide_src/source/database/helpers.rst
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-####################
-Query Helper Methods
-####################
-
-Information From Executing a Query
-==================================
-
-**$this->db->insert_id()**
-
-The insert ID number when performing database inserts.
-
-.. 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()**
-
-Displays the number of affected rows, when doing "write" type queries
-(insert, update, etc.).
-
-.. note:: In MySQL "DELETE FROM TABLE" returns 0 affected rows. The database
-	class has a small hack that allows it to return the correct number of
-	affected rows. By default this hack is enabled but it can be turned off
-	in the database driver file.
-
-**$this->db->last_query()**
-
-Returns the last query that was run (the query string, not the result).
-Example::
-
-	$str = $this->db->last_query();
-	
-	// Produces:  SELECT * FROM sometable....
-
-
-.. note:: Disabling the **save_queries** setting in your database
-	configuration will render this function useless.
-
-Information About Your Database
-===============================
-
-**$this->db->count_all()**
-
-Permits you to determine the number of rows in a particular table.
-Submit the table name in the first parameter. Example::
-
-	echo $this->db->count_all('my_table');
-	
-	// Produces an integer, like 25
-
-**$this->db->platform()**
-
-Outputs the database platform you are running (MySQL, MS SQL, Postgres,
-etc...)::
-
-	echo $this->db->platform();
-
-**$this->db->version()**
-
-Outputs the database version you are running::
-
-	echo $this->db->version();
-
-Making Your Queries Easier
-==========================
-
-**$this->db->insert_string()**
-
-This function simplifies the process of writing database inserts. It
-returns a correctly formatted SQL insert string. Example::
-
-	$data = array('name' => $name, 'email' => $email, 'url' => $url);
-	
-	$str = $this->db->insert_string('table_name', $data);
-
-The first parameter is the table name, the second is an associative
-array with the data to be inserted. The above example produces::
-
-	INSERT INTO table_name (name, email, url) VALUES ('Rick', 'rick@example.com', 'example.com')
-
-.. note:: Values are automatically escaped, producing safer queries.
-
-**$this->db->update_string()**
-
-This function simplifies the process of writing database updates. It
-returns a correctly formatted SQL update string. Example::
-
-	$data = array('name' => $name, 'email' => $email, 'url' => $url);
-	
-	$where = "author_id = 1 AND status = 'active'";
-	
-	$str = $this->db->update_string('table_name', $data, $where);
-
-The first parameter is the table name, the second is an associative
-array with the data to be updated, and the third parameter is the
-"where" clause. The above example produces::
-
-	 UPDATE table_name SET name = 'Rick', email = 'rick@example.com', url = 'example.com' WHERE author_id = 1 AND status = 'active'
-
-.. note:: Values are automatically escaped, producing safer queries.
\ No newline at end of file