Difference between revisions of "Timestamp field"
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(Added ToC. Added API and Examples sections. Reorganised/completed other sections.) |
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{{fieldtypes}} | {{fieldtypes}} | ||
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| + | == Description == | ||
| + | This field is almost exactly the same as a [[Time field]] except it has the default value of the current time. So this will be implicitly said if another value is not specified. Therefore, this type of field is useful to capture the exact time a data object is created. | ||
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== Inheritance == | == Inheritance == | ||
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* [[Metadata]] | * [[Metadata]] | ||
** [[Date field]] | ** [[Date field]] | ||
*** [[Time field]] | *** [[Time field]] | ||
**** [[Timestamp field]] | **** [[Timestamp field]] | ||
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== Properties == | == Properties == | ||
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As for [[Time field]]s. | As for [[Time field]]s. | ||
== Required Phrases == | == Required Phrases == | ||
| − | + | No additional phrases. | |
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== Database == | == Database == | ||
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Timestamp fields are stored in the database as | Timestamp fields are stored in the database as | ||
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fieldname_year SMALLINT(6) | fieldname_year SMALLINT(6) | ||
fieldname_month SMALLINT(6) | fieldname_month SMALLINT(6) | ||
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fieldname_minute SMALLINT(6) | fieldname_minute SMALLINT(6) | ||
fieldname_second SMALLINT(6) | fieldname_second SMALLINT(6) | ||
| + | |||
| + | == API == | ||
| + | See [[API:EPrints/MetaField/Timestamp|API page]]. | ||
| + | |||
| + | == Examples == | ||
| + | Most basic example. | ||
| + | { | ||
| + | name => 'created' | ||
| + | type => 'timestamp', | ||
| + | } | ||
Revision as of 08:15, 9 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
Description
This field is almost exactly the same as a Time field except it has the default value of the current time. So this will be implicitly said if another value is not specified. Therefore, this type of field is useful to capture the exact time a data object is created.
Inheritance
Properties
As for Time fields.
Required Phrases
No additional phrases.
Database
Timestamp fields are stored in the database as
fieldname_year SMALLINT(6) fieldname_month SMALLINT(6) fieldname_day SMALLINT(6) fieldname_hour SMALLINT(6) fieldname_minute SMALLINT(6) fieldname_second SMALLINT(6)
API
See API page.
Examples
Most basic example.
{
name => 'created'
type => 'timestamp',
}
