Wikidata items by description

SQL

USE wikidatawiki_p;


SELECT CONCAT('Q', L1wbit.wbit_item_id) AS item1,
       CONCAT('Q', L2wbit.wbit_item_id) AS item2,
       Lxl.wbxl_language,

    (SELECT wbx_text
     FROM wbt_text
     WHERE wbx_id = Lxl.wbxl_text_id) AS label,

    (SELECT wbx_text
     FROM wbt_text
     WHERE wbx_id = Dxl.wbxl_text_id) AS descr
FROM wbt_item_terms AS L1wbit
JOIN wbt_term_in_lang AS L1wbtl ON L1wbtl.wbtl_id = L1wbit.wbit_term_in_lang_id #JOIN wbt_type AS Ly ON Ly.wby_id = L1wbtl.wbtl_type_id
JOIN wbt_text_in_lang AS Lxl ON Lxl.wbxl_id = L1wbtl.wbtl_text_in_lang_id
JOIN wbt_item_terms AS D1wbit ON D1wbit.wbit_item_id = L1wbit.wbit_item_id
JOIN wbt_term_in_lang AS D1wbtl ON D1wbtl.wbtl_id = D1wbit.wbit_term_in_lang_id #JOIN wbt_type AS Dy ON Dy.wby_id = D1wbtl.wbtl_type_id
JOIN wbt_text_in_lang AS Dxl ON Dxl.wbxl_id = D1wbtl.wbtl_text_in_lang_id
JOIN wbt_item_terms AS L2wbit ON L2wbit.wbit_term_in_lang_id = L1wbtl.wbtl_id
JOIN wbt_item_terms AS D2wbit ON D2wbit.wbit_term_in_lang_id = D1wbtl.wbtl_id #WHERE Ly.wby_name = 'label'
AND Dy.wby_name = 'description'
WHERE L1wbtl.wbtl_type_id = 1
    AND D1wbtl.wbtl_type_id = 2
    AND Lxl.wbxl_language = Dxl.wbxl_language #AND Lxl.wbxl_language = 'cs'
    AND L2wbit.wbit_item_id = D2wbit.wbit_item_id
    AND L1wbit.wbit_item_id < L2wbit.wbit_item_id
LIMIT 5;
SQL

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