Re: Slow SQL query (14-15 seconds) - Mailing list pgsql-performance

From Vladimir Sitnikov
Subject Re: Slow SQL query (14-15 seconds)
Date
Msg-id 1d709ecc0811130629j3a831fdcod67c3c4e8e33c9cb@mail.gmail.com
Whole thread Raw
In response to Slow SQL query (14-15 seconds)  (Bruno Baguette <bruno.baguette@gmail.com>)
Responses Re: Slow SQL query (14-15 seconds)  (Bruno Baguette <bruno.baguette@gmail.com>)
List pgsql-performance
Could you please try this one:

SELECT pk_societe_id,
      denomination_commerciale,
      denomination_sociale,
      numero_client,
      COALESCE(stats_commandes.nombre, 0) AS societe_nbre_commandes,
      COALESCE(stats_adresses_livraison.nombre, 0) AS societe_adresses_livraison_quantite,
      COALESCE(stats_adresses_facturation.nombre, 0) AS societe_adresses_facturation_quantite,
      COALESCE(NULLIF(admin_email,''), NULLIF(admin_bis_email,''), NULLIF(admin_ter_email,''), 'n/a') AS email,
      COALESCE(NULLIF(admin_tel,''), NULLIF(admin_bis_tel,''), NULLIF(admin_ter_tel,''), 'n/a') AS telephone,
      remise_permanente,
      is_horeca
FROM societes
LEFT JOIN (
           SELECT societes.pk_societe_id AS societe_id,
                  COUNT(commandes.pk_commande_id) AS nombre,
                  max(case when delivery_date_livraison BETWEEN (NOW() - '1 year'::interval) AND NOW() then 1 end) AS il_y_avait_un_commande
           FROM commandes
           INNER JOIN clients ON commandes.fk_client_id = clients.pk_client_id
           INNER JOIN societes ON clients.fk_societe_id = societes.pk_societe_id
           GROUP BY societes.pk_societe_id
         ) AS stats_commandes ON stats_commandes.societe_id = societes.pk_societe_id
LEFT JOIN (
           SELECT fk_societe_id AS societe_id,
                  COUNT(pk_adresse_livraison_id) AS nombre,

           FROM societes_adresses_livraison
           WHERE is_deleted = FALSE
           GROUP BY fk_societe_id
         ) AS stats_adresses_livraison ON stats_adresses_livraison.societe_id = societes.pk_societe_id
LEFT JOIN (
           SELECT fk_societe_id AS societe_id,
                  COUNT(pk_adresse_facturation_id) AS nombre
           FROM societes_adresses_facturation
           WHERE is_deleted = FALSE
           GROUP BY fk_societe_id
         ) AS stats_adresses_facturation ON stats_adresses_facturation.societe_id = societes.pk_societe_id
WHERE societes.is_deleted = FALSE and il_y_avait_un_commande=1
ORDER BY LOWER(denomination_commerciale);

Bien a vous,
Vladimir Sitnikov

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