public IEnumerable <ActualIndex> AllIndexes()
{
var sql = @"
SELECT
U.usename AS user_name,
ns.nspname AS schema_name,
pg_catalog.textin(pg_catalog.regclassout(idx.indrelid :: REGCLASS)) AS table_name,
i.relname AS index_name,
pg_get_indexdef(i.oid) as ddl,
idx.indisunique AS is_unique,
idx.indisprimary AS is_primary,
am.amname AS index_type,
idx.indkey,
ARRAY(
SELECT pg_get_indexdef(idx.indexrelid, k + 1, TRUE)
FROM
generate_subscripts(idx.indkey, 1) AS k
ORDER BY k
) AS index_keys,
(idx.indexprs IS NOT NULL) OR (idx.indkey::int[] @> array[0]) AS is_functional,
idx.indpred IS NOT NULL AS is_partial
FROM pg_index AS idx
JOIN pg_class AS i
ON i.oid = idx.indexrelid
JOIN pg_am AS am
ON i.relam = am.oid
JOIN pg_namespace AS NS ON i.relnamespace = NS.OID
JOIN pg_user AS U ON i.relowner = U.usesysid
WHERE NOT nspname LIKE 'pg%' AND i.relname like 'mt_%'; -- Excluding system table
";
Func <DbDataReader, ActualIndex> transform =
r => new ActualIndex(TableName.Parse(r.GetString(2)), r.GetString(3), r.GetString(4));
return(_factory.Fetch(sql, transform));
}
