Semantic MediaWiki/data/smw object ids

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< Semantic MediaWiki‎ | data
Revision as of 12:59, 26 January 2018 by Woozle (talk | contribs) (fixed syntax tag; better example)
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About

  • Purpose: registry of all SMW object IDs; apparently replaces smw_ids in schema version 2 but adds smw_proptable_hash field.

SQL

CREATE TABLE `smw_object_ids` (
  `smw_id` int(8) unsigned NOT NULL AUTO_INCREMENT,
  `smw_namespace` int(11) NOT NULL,
  `smw_title` varbinary(255) NOT NULL,
  `smw_iw` varbinary(32) NOT NULL,
  `smw_subobject` varbinary(255) NOT NULL,
  `smw_sortkey` varbinary(255) NOT NULL,
  `smw_proptable_hash` mediumblob,
  PRIMARY KEY (`smw_id`),
  KEY `smw_id` (`smw_id`,`smw_sortkey`),
  KEY `smw_title` (`smw_title`,`smw_namespace`,`smw_iw`,`smw_subobject`),
  KEY `smw_sortkey` (`smw_sortkey`)
) ENGINE=InnoDB AUTO_INCREMENT=4599 DEFAULT CHARSET=binary$$

Example

SELECT 
    smw_id,
    smw_namespace,
    CAST(smw_title AS CHAR) AS title,
    CAST(smw_iw AS CHAR) AS iw,
    CAST(smw_subobject AS CHAR) AS sub,
    CAST(smw_sortkey AS CHAR) AS sortkey,
    CAST(smw_proptable_hash AS CHAR) AS pthash
FROM
    smw_object_ids;