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Impossible de récupérer les colonnes pour les vues matérialisées

Le problème vient du faite que les colonnes des vues matérialisées ne sont pas stocké dans information_schema.

Requête alternative:
SELECT a.attname, pg_catalog.format_type(a.atttypid, a.atttypmod), a.attnotnull FROM pg_attribute a JOIN pg_class t on a.attrelid = t.oid JOIN pg_namespace s on t.relnamespace = s.oid WHERE a.attnum > 0 AND NOT a.attisdropped AND t.relname = 'tableviewmv' --<< replace with the name of the MV AND s.nspname = 'schema' --<< change to the schema your MV is in ORDER BY a.attnum;

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