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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)r[uf.r?NcF)columns primary_keyunique foreign_keycheckindex definitionoptionsaa 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) r`ordersrarbrcrdretyperfrg)r9r:tuplesplitindex_default_access_methodendswithrsuffix)r+r;rN constraints constraintr`kind used_colsrgrerbprimaryritype_rf basic_indexs r0get_constraintsz%DatabaseIntrospection.get_constraintss    (L+   .>D__=N=N   9Jy'"#s{*,AEuY__S!%<%<===RV"" ' 'K # # ' P -z :S* * * h__            K''T==(x000 (  4 +2dV*;*;ww(.4&(8(8ffb#*$#'"!,7BELLU",& & & E"r1)r@) __name__ __module__ __qualname__data_types_reversermr4r)r<rOrUrYrw __classcell__)r/s@r0r r s N M    N  K  \ \ $ k k k k o o o!" k#$).#*N        2. . . `    4GGG2wwwwwwwr1r N) collectionsr%django.db.backends.base.introspectionrr BaseFieldInfor BaseTableInfodjango.db.modelsr_fieldsr r@r1r0rs""""""KKKKKKLLLLLLLLLLLL"""""" J{M$9