Tag API before 3.1

Moodle 2.0

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Objectives

The goals of Tag API:

• example goal

Tag API overview

Tag API provides following functionalities:

1. example functionality

Tag API Usage

Title for the example goes here

Description of the example:

shortexamplecode();

Title for the second example goes here

Description of the example:

shortexamplecode();

Tag API overview

The Tag API has been implemented in lib/moodlelib.php.

examplefunction()

Example function description.

Tag API database tables

Tag

This table holds all of the tags which are currently available in the system.

Field	Type	Default	Info
id	int(10)	auto-incrementing	The unique ID for this Tag.
userid	int(10)		The user that the Tag belongs to
name	varchar(255)	null
rawname	varchar(255)
tagtype	varchar(255) NULL	null
description	text NULL
descriptionformat	tinyint(2) unsigned	0
flag	smallint(4)	0
timemodified	bigint(10)

Tag_Instance

This table is use to record the instances of each tag's use. It has a many to one relationship with the tag table shown above.

Field	Type	Default	Info
id	int(10)	auto-incrementing	The unique ID for this Tag.
tagid	int(10)		The user that the Tag belongs to
itemtype	varchar(255)	null
itemid	int(10)
tiuserid	int(10)	0	???The userid of the user which owns the tag instance???
ordering	int(10)
timemodified	int(10)	0

Tag_Correlation

This table only exists for performance reasons

Field	Type	Default	Info
id	int(10)	auto-incrementing	The unique ID for this tag correlation.
tagid	int(10)		The the id of the tag
correlatedtags	text