Difference between revisions of "Uuid field"
(Added Uuid field type.) |
(Amended structure to standardise for metadata field type.) |
||
| Line 1: | Line 1: | ||
{{fieldtypes}} | {{fieldtypes}} | ||
| − | + | ||
| + | == Description == | ||
| + | This field stores a universally unique identifier. This may be hash hash (e.g. MD5 or SHA1). | ||
| + | |||
| + | == Inheritance == | ||
| + | * [[Metadata]] | ||
| + | ** [[Text field]] | ||
| + | *** [[Id field]] | ||
| + | **** [[Uuid field]] | ||
| + | |||
| + | == Additional Properties == | ||
| + | As for [[Id field#Additional_Properties|Id fields]] except for | ||
| + | |||
| + | {| border="1" cellpadding="3" cellspacing="0" | ||
| + | | name || default || description | ||
| + | |- | ||
| + | | '''maxlength''' || 45 || '''Different default.''' | ||
| + | |- | ||
| + | | '''text_index''' || 0 || '''Different default.''' | ||
| + | |} | ||
| + | |||
| + | == Required Phrases == | ||
| + | No additional phrases beyond those required for [[Id field#Required_Phrases|Id fields]]. | ||
| + | |||
| + | == Database == | ||
| + | Uuid fields are stored in the database as | ||
| + | fieldname VARCHAR(255) | ||
| + | |||
| + | == API == | ||
| + | See [[API:EPrints/MetaField/Uuid|API page]]. | ||
| + | |||
| + | == Examples == | ||
| + | Most basic example. | ||
| + | { | ||
| + | name => 'uuid', | ||
| + | type => 'uuid', | ||
| + | }, | ||
Revision as of 22:40, 10 April 2023
EPrints 3 Reference: Directory Structure - Metadata Fields - Repository Configuration - XML Config Files - XML Export Format - EPrints data structure - Core API - Data Objects
Metadata Fields: Arclanguage - Base64 - Bigint - Boolean - Compound - Counter - Dataobjref - Date - Decimal - Email - Fields - Float - Id - Idci - Image - Int - Itemref - Keywords - Langid - Longtext - Longtext_counter - Multilang - Multipart - Name - Namedset - Pagerange - Recaptcha - Relation - Search - Secret - Set - Storable - Subject - Subobject - Text - Time - Timestamp - Url - Uuid
Contents
Description
This field stores a universally unique identifier. This may be hash hash (e.g. MD5 or SHA1).
Inheritance
Additional Properties
As for Id fields except for
| name | default | description |
| maxlength | 45 | Different default. |
| text_index | 0 | Different default. |
Required Phrases
No additional phrases beyond those required for Id fields.
Database
Uuid fields are stored in the database as
fieldname VARCHAR(255)
API
See API page.
Examples
Most basic example.
{
name => 'uuid',
type => 'uuid',
},
