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Also retrieve the definition of expression-based indexes. aH SELECT c.conname, array( SELECT attname FROM unnest(c.conkey) WITH ORDINALITY cols(colid, arridx) JOIN pg_attribute AS ca ON cols.colid = ca.attnum WHERE ca.attrelid = c.conrelid ORDER BY cols.arridx ), c.contype, (SELECT fkc.relname || '.' || fka.attname FROM pg_attribute AS fka JOIN pg_class AS fkc ON fka.attrelid = fkc.oid WHERE fka.attrelid = c.confrelid AND fka.attnum = c.confkey[1]), cl.reloptions FROM pg_constraint AS c JOIN pg_class AS cl ON c.conrelid = cl.oid WHERE cl.relname = %s AND pg_catalog.pg_table_is_visible(cl.oid) �p)rT �u�f�.r; N�cF)�columns� primary_key�unique� foreign_key�check�index� definition�optionsaa SELECT indexname, array_agg(attname ORDER BY arridx), indisunique, indisprimary, array_agg(ordering ORDER BY arridx), amname, exprdef, s2.attoptions FROM ( SELECT c2.relname as indexname, idx.*, attr.attname, am.amname, CASE WHEN idx.indexprs IS NOT NULL THEN pg_get_indexdef(idx.indexrelid) END AS exprdef, CASE am.amname WHEN %s THEN CASE (option & 1) WHEN 1 THEN 'DESC' ELSE 'ASC' END END as ordering, c2.reloptions as attoptions FROM ( SELECT * FROM pg_index i, unnest(i.indkey, i.indoption) WITH ORDINALITY koi(key, option, arridx) ) idx LEFT JOIN pg_class c ON idx.indrelid = c.oid LEFT JOIN pg_class c2 ON idx.indexrelid = c2.oid LEFT JOIN pg_am am ON c2.relam = am.oid LEFT JOIN pg_attribute attr ON attr.attrelid = c.oid AND attr.attnum = idx.key WHERE c.relname = %s AND pg_catalog.pg_table_is_visible(c.oid) ) s2 GROUP BY indexname, indisunique, indisprimary, amname, exprdef, attoptions; �_btreeT) rY �ordersrZ r[ r\ r] r^ �typer_ r` )r7 r8 �tuple�split�index_default_access_method�endswithr �suffix)r( r9 rK � constraints� constraintrY �kind� used_colsr` r^ r[ �primaryrb �type_r_ � basic_indexr. r. r/ �get_constraints� s` � � (�4� �� �� z%DatabaseIntrospection.get_constraints)r. ) �__name__� __module__� __qualname__�data_types_reverserf r0 r& r: rL rQ rS rp � __classcell__r. r. r, r/ r s` �������� � � � � ������ 0r N) � collectionsr �%django.db.backends.base.introspectionr r � BaseFieldInfor � BaseTableInfo�django.db.modelsr �_fieldsr r. r. r. r/ �<module> s
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