Difference between revisions of "Keywords field"
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== Inheritance == | == Inheritance == | ||
* [[Metadata]] | * [[Metadata]] | ||
| − | ** [[ | + | ** [[Id field]] |
| − | + | *** [[Keywords field]] | |
| − | |||
| − | == Properties == | + | == Additional Properties == |
| − | As for [[ | + | As for [[Id field#Additional_Properties|Id fields]] except for |
{| border="1" cellpadding="3" cellspacing="0" | {| border="1" cellpadding="3" cellspacing="0" | ||
| − | + | ! Name !! Default Value !! Required !! Description !! Notes | |
|- | |- | ||
| − | | ''' | + | | '''match''' || <tt>EQ</tt> || NO || How to match against search criteria. || Different from [[Id field]] (<tt>EX</tt>). Could be set to <tt>SET</tt>. |
| + | |- | ||
| + | | '''input_rows''' || <tt>10</tt> || NO || How many rows for the field in the input form. || The default value for this property is taken from <tt>cfg.d/field_property_defaults.pl</tt>. | ||
| + | |- | ||
| + | | '''maxlength''' || <tt>65535</tt> || NO || Limit the maximum length of text that can be input. || Different from [[Metadata]] default (<tt>255</tt>). Maximum length could be as much as <tt>4294967295</tt> (over 4 billion). | ||
| + | |- | ||
| + | | '''sql_index''' || <tt>0</tt> || NO || Whether field should be index for quicker lookup by the database. || Different from [[Metadata]] default (<tt>1</tt>). | ||
| + | |- | ||
| + | | '''separator''' || <tt>,</tt> || NO || How to separate listed keywords. || | ||
|} | |} | ||
== Required Phrases == | == Required Phrases == | ||
| − | No additional phrases. | + | No additional phrases beyond those required for [[Longtext field#Required_Phrases|Longtext fields]]. |
== Database == | == Database == | ||
| Line 33: | Line 40: | ||
== Examples == | == Examples == | ||
Most basic example. | Most basic example. | ||
| − | { | + | { |
| − | + | name => 'keywords', | |
| − | + | type => 'keywords', | |
| − | } | + | } |
| − | Use a semi-colon (<tt>;</tt> as a separator. | + | Use a semi-colon (<tt>;</tt>) as a separator. |
| − | { | + | { |
| − | + | name => 'terms', | |
| − | + | type => 'keywords', | |
| − | + | separator => ';', | |
| − | } | + | } |
Latest revision as of 15:16, 15 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 - Recaptcha3 - Relation - Search - Secret - Set - Storable - Subject - Subobject - Text - Time - Timestamp - Url - Uuid
Contents
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
Additional Properties
As for Id fields except for
| Name | Default Value | Required | Description | Notes |
|---|---|---|---|---|
| match | EQ | NO | How to match against search criteria. | Different from Id field (EX). Could be set to SET. |
| input_rows | 10 | NO | How many rows for the field in the input form. | The default value for this property is taken from cfg.d/field_property_defaults.pl. |
| maxlength | 65535 | NO | Limit the maximum length of text that can be input. | Different from Metadata default (255). Maximum length could be as much as 4294967295 (over 4 billion). |
| sql_index | 0 | NO | Whether field should be index for quicker lookup by the database. | Different from Metadata default (1). |
| separator | , | NO | How to separate listed keywords. |
Required Phrases
No additional phrases beyond those required for Longtext fields.
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 => ';',
}