Property datatypes on Wikidata

This query is marked as a draft This query has been published by Lucas Werkmeister (WMDE).

Due to T166227, users can create properties with invalid datatypes on Wikidata. This query checks if anyone has actually done that.

SQL

USE `wikidatawiki_p`;
SELECT `pi_type` FROM `wb_property_info` GROUP BY `pi_type`;
SELECT JSON_VALID('null');
#SELECT JSON_VALID(`pi_info`) FROM `wb_property_info` GROUP BY `pi_info`;

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SQL

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