API:EPrints/DataSet - Revision history

Tdb01r at 09:56, 22 January 2013

2013-01-22T09:56:14Z

Tdb01r at 15:26, 16 December 2011

2011-12-16T15:26:04Z

← Older revision		Revision as of 15:26, 16 December 2011
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	<!-- Pod2Wiki=_preamble_		<!-- Pod2Wiki=_preamble_
	This page has been automatically generated from the EPrints 3.2 source. Any wiki changes made between the 'Pod2Wiki=*' and 'Edit below this comment' comments will be lost.		This page has been automatically generated from the EPrints 3.2 source. Any wiki changes made between the 'Pod2Wiki=*' and 'Edit below this comment' comments will be lost.
	-->{{API}}{{Pod2Wiki}}{{API:Source\|file=EPrints/DataSet.pm\|package_name=EPrints::DataSet}}[[Category:API\|DATASET]][[Category:API:EPrints/DataSet\|DATASET]]<div><!-- Edit below this comment -->		-->{{API}}{{Pod2Wiki}}{{API:Source\|file=perl_lib/EPrints/DataSet.pm\|package_name=EPrints::DataSet}}[[Category:API\|DATASET]][[Category:API:EPrints/DataSet\|DATASET]]<div><!-- Edit below this comment -->

Tdb01r at 12:27, 1 December 2011

2011-12-01T12:27:42Z

← Older revision		Revision as of 12:27, 1 December 2011
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	The fields contained in a dataset are defined by the data object and by any additional fields defined in cfg.d. Some datasets don't have any fields.		The fields contained in a dataset are defined by the data object and by any additional fields defined in cfg.d. Some datasets don't have any fields.

	Some datasets are "virtual" datasets made from others. Examples include "inbox", "archive", "buffer" and "deletion" which are all virtual datasets of of the "eprint" dataset. That is to say "inbox" is a subset of "eprint" and by inference contains [[API:EPrints/DataObj/~~EPrints~~\|EPrints::DataObj::~~EPrints~~]]. You can define your own virtual datasets which opperate on existing datasets.		Some datasets are "virtual" datasets made from others. Examples include "inbox", "archive", "buffer" and "deletion" which are all virtual datasets of of the "eprint" dataset. That is to say "inbox" is a subset of "eprint" and by inference contains [[API:EPrints/DataObj/EPrint\|EPrints::DataObj::EPrint]]. You can define your own virtual datasets which opperate on existing datasets.

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Tdb01r at 11:41, 14 September 2011

2011-09-14T11:41:18Z

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Tdb01r at 11:40, 14 September 2011

2011-09-14T11:40:05Z

@@ Line 6: / Line 6: @@
 <!-- Pod2Wiki=_private_ --><!-- Pod2Wiki=head_name -->
 ==NAME==
-'''EPrints::DataSet''' - a dataset is a set of records in the eprints system with the same metadata.
+'''EPrints::DataSet''' - a set of records with the same metadata scheme
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@@ Line 17: / Line 17: @@
 <!-- Pod2Wiki=head_synopsis -->
 ==SYNOPSIS==
-   my $dataset = $repository-&gt;get_dataset( "inbox" );
+   my $dataset = $repository-&gt;dataset( "inbox" );
    print sprintf("There are %d records in the inbox\n",
@@ Line 50: / Line 50: @@
 <!-- Pod2Wiki=head_description -->
 ==DESCRIPTION==
-This module describes an EPrint dataset.
+This module describes a dataset.
-A repository has several datasets that make up the repository's database. The list of dataset ids can be obtained from the repository object (see [[API:EPrints/Repository|EPrints::Repository]]).
+A repository has several datasets that make up the repository's metadata schema. The list of dataset ids can be obtained from the repository object (see [[API:EPrints/Repository|EPrints::Repository]]).
-A normal dataset (eg. "user") has a package associated with it  (eg. [[API:EPrints/DataObj/User|EPrints::DataObj::User]]) which must be a subclass of [[API:EPrints/DataObj|EPrints::DataObj]]  and a number of SQL tables which are prefixed with the dataset name. Most datasets also have a set of associated [[API:EPrints/MetaField|EPrints::MetaField]]'s which may be optional or compulsary depending on the type eg. books have editors but posters don't but they are both EPrints.
+A normal dataset (eg. "user") has a package associated with it  (eg. [[API:EPrints/DataObj/User|EPrints::DataObj::User]]) which must be a subclass of [[API:EPrints/DataObj|EPrints::DataObj]]  and a number of SQL tables which are prefixed with the dataset name. Most datasets also have a set of associated [[API:EPrints/MetaField|EPrints::MetaField]]'s which may be optional or required depending on the type eg. books have editors but posters don't but they are both EPrints.
 The fields contained in a dataset are defined by the data object and by any additional fields defined in cfg.d. Some datasets don't have any fields.
-Some datasets are "virtual" datasets made from others. Examples include  "inbox", "archive", "buffer" and "retired" which are all virtual datasets  of of the "eprint" dataset. That is to say "inbox" is a subset of "eprint"  and by inference contains [[API:EPrints/DataObj/EPrints|EPrints::DataObj::EPrints]]. You can define your  own virtual datasets which opperate on existing datasets.
+Some datasets are "virtual" datasets made from others. Examples include  "inbox", "archive", "buffer" and "deletion" which are all virtual datasets  of of the "eprint" dataset. That is to say "inbox" is a subset of "eprint"  and by inference contains [[API:EPrints/DataObj/EPrints|EPrints::DataObj::EPrints]]. You can define your  own virtual datasets which opperate on existing datasets.
 <div style='background-color: #e8e8f; margin: 0.5em 0em 1em 0em; border: solid 1px #cce;  padding: 0em 1em 0em 1em; font-size: 80%; '>
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Tdb01r at 10:46, 25 August 2011

2011-08-25T10:46:36Z

@@ Line 54: / Line 54: @@
 A repository has several datasets that make up the repository's database. The list of dataset ids can be obtained from the repository object (see [[API:EPrints/Repository|EPrints::Repository]]).
-A normal dataset (eg. "user") has a package associated with it  (eg. EPrints::DataObj::User) which must be a subclass of EPrints::DataObj  and a number of SQL tables which are prefixed with the dataset name. Most datasets also have a set of associated EPrints::MetaField's which may be optional or compulsary depending on the type eg. books have editors but posters don't but they are both EPrints.
+A normal dataset (eg. "user") has a package associated with it  (eg. [[API:EPrints/DataObj/User|EPrints::DataObj::User]]) which must be a subclass of [[API:EPrints/DataObj|EPrints::DataObj]]  and a number of SQL tables which are prefixed with the dataset name. Most datasets also have a set of associated [[API:EPrints/MetaField|EPrints::MetaField]]'s which may be optional or compulsary depending on the type eg. books have editors but posters don't but they are both EPrints.
 The fields contained in a dataset are defined by the data object and by any additional fields defined in cfg.d. Some datasets don't have any fields.
-Some datasets are "virtual" datasets made from others. Examples include  "inbox", "archive", "buffer" and "retired" which are all virtual datasets  of of the "eprint" dataset. That is to say "inbox" is a subset of "eprint"  and by inference contains EPrints::DataObj::EPrints. You can define your  own virtual datasets which opperate on existing datasets.
+Some datasets are "virtual" datasets made from others. Examples include  "inbox", "archive", "buffer" and "retired" which are all virtual datasets  of of the "eprint" dataset. That is to say "inbox" is a subset of "eprint"  and by inference contains [[API:EPrints/DataObj/EPrints|EPrints::DataObj::EPrints]]. You can define your  own virtual datasets which opperate on existing datasets.
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@@ Line 82: / Line 82: @@
    $id = $ds-&gt;base_id; # returns "eprint"
-Returns the identifier of the base dataset for this dataset (same as {{API:PodLink|file=|package_name=|section=id|text=/id}} unless this dataset is virtual).
+Returns the identifier of the base dataset for this dataset (same as [[API:EPrints/DataSet#id|id]] unless this dataset is virtual).
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@@ Line 222: / Line 222: @@
 ====$list = $ds-&gt;search( %options )====
-Short-cut to {{API:PodLink|file=|package_name=|section=prepare_search|text=/prepare_search}}( %options )-&gt;execute.
+Short-cut to [[API:EPrints/DataSet#prepare_search|prepare_search]]( %options )-&gt;execute.
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@@ Line 236: / Line 296: @@
 Returns a [[API:EPrints/List|EPrints::List]] for this dataset for the given $ids list.
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 <span style='display:none'>User Comments</span>

Pm705 at 17:23, 31 December 2010

2010-12-31T17:23:26Z

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Tdb01r at 13:05, 17 June 2010

2010-06-17T13:05:27Z

← Older revision		Revision as of 13:05, 17 June 2010
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	@fields = $ds->fields		@fields = $ds->fields
	Returns a list of the [[API:EPrints/~~Metafield~~\|EPrints::~~Metafield~~]]s belonging to this dataset.		Returns a list of the [[API:EPrints/MetaField\|EPrints::MetaField]]s belonging to this dataset.

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	$fields = $dataset->columns()		$fields = $dataset->columns()
	Returns the default list of fields to show the user when browsing this dataset in a table. Returns an array ref of [[API:EPrints/MetaField\|EPrints::MetaField]] objects.		Returns the default list of fields to show the user when browsing this dataset in a table. Returns an array ref of [[API:EPrints/MetaField\|EPrints::MetaField]] objects.

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			<!-- Edit below this comment -->


			<!-- Pod2Wiki= -->
			</div>
			<!-- Pod2Wiki=item_run_trigger -->
			====run_trigger====

			$dataset->run_trigger( TRIGGER_ID, %params )
			Runs all of the registered triggers for TRIGGER_ID on this dataset.

			%params is passed to the trigger functions.

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Tdb01r at 15:12, 25 February 2010

2010-02-25T15:12:31Z

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Pm705@zepler.net at 16:33, 12 February 2010

2010-02-12T16:33:57Z

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