Keywords field

EPrints 3 Reference: Directory Structure - Metadata Fields - Repository Configuration - XML Config Files - XML Export Format - EPrints data structure - Core API - Data Objects

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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 - Recaptcha3 - Relation - Search - Secret - Set - Storable - Subject - Subobject - Text - Time - Timestamp - Url - Uuid

Description

Stores a list of keywords as a longtext field but allows searching for exact matches on individual keyword phrases separated by a user-specifiable separator.

Inheritance

• Metadata
  • Text field
    • Longtext field
      • Keywords field

Properties

As for Longtext fields with the following difference...

name	default	description
separator	,	Can be overridden in the field definition.

Required Phrases

No additional phrases.

Database

Keywords fields are stored in the database as

fieldname LONGTEXT

API

See API page.

Examples

Most basic example.

{
  name => 'keywords',
  type => 'keywords',
}

Use a semi-colon (; as a separator.

{
  name => 'terms',
  type => 'keywords',
  separator => ';',
}