Int field: Difference between revisions
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== Description == | |||
This metadata field is for store whole number values. Such as the number of pages of a publication or number of pieces that make up an exhibition-type publication. Maximum number that can be stored is 2,147,483,647, minimum number is -2,147,483,647. | |||
== Inheritance == | |||
* [[Metadata]] | * [[Metadata]] | ||
** [[Int field]] | ** [[Int field]] | ||
== | == Additional Properties == | ||
{| border="1" cellpadding="3" cellspacing="0" | {| border="1" cellpadding="3" cellspacing="0" | ||
! Name !! Default Value !! Required !! Description !! Notes | |||
|- | |- | ||
| '''digits''' || | | '''digits''' || <tt>9</tt> || NO || The maximum number of digits for the integer value. || The default value for this property is taken from <tt>cfg.d/field_property_defaults.pl</tt>. Analogous to <tt>maxlength</tt>. Database <tt>INT(11)</tt> cannot reliably store numbers that takes up more than 9 digits (including a sign if negative). | ||
|} | |} | ||
== Required Phrases == | == Required Phrases == | ||
No additional phrases beyond [[Metadata#Required_Phrases|standard metadata field phrases]]. | |||
== Database == | |||
Int fields are stored in the database as | |||
fieldname INT(11) | |||
== API == | |||
See [[API:EPrints/MetaField/Int|API page]]. | |||
== Examples == | |||
Most basic example. | |||
{ | |||
name => 'num_pieces', | |||
type => 'int', | |||
}, | |||
Limit input field to six characters (digits) and do not create a SQL database table index. | |||
{ | |||
name => 'pages', | |||
type => 'int', | |||
maxlength => 6, | |||
sql_index => 0, | |||
}, | |||
Latest revision as of 17:23, 20 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
Description
This metadata field is for store whole number values. Such as the number of pages of a publication or number of pieces that make up an exhibition-type publication. Maximum number that can be stored is 2,147,483,647, minimum number is -2,147,483,647.
Inheritance
Additional Properties
| Name | Default Value | Required | Description | Notes |
|---|---|---|---|---|
| digits | 9 | NO | The maximum number of digits for the integer value. | The default value for this property is taken from cfg.d/field_property_defaults.pl. Analogous to maxlength. Database INT(11) cannot reliably store numbers that takes up more than 9 digits (including a sign if negative). |
Required Phrases
No additional phrases beyond standard metadata field phrases.
Database
Int fields are stored in the database as
fieldname INT(11)
API
See API page.
Examples
Most basic example.
{
name => 'num_pieces',
type => 'int',
},
Limit input field to six characters (digits) and do not create a SQL database table index.
{
name => 'pages',
type => 'int',
maxlength => 6,
sql_index => 0,
},