Semantic MediaWiki/data/smw ids

About

• Version: 1.7
• Documentation status: unofficial; confirmed by testing only
• Purpose: assigns SMW-specific IDs to all SMW property-names and property-values, whether or not there is a corresponding MW page.
• Fields:
  • smw_namespace: namespace that the corresponding page would have in MediaWiki
  • smw_title: title (without namespace) that the corresponding page would have in MediaWiki

SQL

CREATE TABLE `smw_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,
  PRIMARY KEY (`smw_id`),
  KEY `smw_title` (`smw_title`,`smw_namespace`,`smw_iw`),
  KEY `smw_sortkey` (`smw_sortkey`),
  KEY `smw_title_2` (`smw_title`,`smw_namespace`,`smw_iw`,`smw_subobject`)
) ENGINE=InnoDB AUTO_INCREMENT=10805 DEFAULT CHARSET=binary;

Queries

This shows the values hidden in the binary blobs:

SELECT 
    smw_id,
    smw_namespace,
    CAST(smw_title AS CHAR) AS title,
    CAST(smw_iw AS CHAR) iw,
    CAST(smw_subobject AS CHAR) AS subobj,
    CAST(smw_sortkey AS CHAR) AS sortkey
FROM
    pcrit_mw.smw_ids;