+ query_describe_table =
+ "SELECT " +
+ "f.attnum AS number, " +
+ "f.attname AS Field, " +
+ "f.attnum, " +
+ "CASE WHEN f.attnotnull = 't' THEN 'NO' ELSE 'YES' END AS isNull, " +
+ "pg_catalog.format_type(f.atttypid,f.atttypmod) AS Type, " +
+ "CASE WHEN p.contype = 'p' THEN 't' ELSE 'f' END AS primarykey, " +
+ "CASE WHEN p.contype = 'u' THEN 't' ELSE 'f' END AS uniquekey, " +
+ "CASE WHEN p.contype = 'f' THEN g.relname END AS foreignkey, " +
+ "CASE WHEN p.contype = 'f' THEN p.confkey END AS foreignkey_fieldnum, " +
+ "CASE WHEN p.contype = 'f' THEN g.relname END AS foreignkey, " +
+ "CASE WHEN p.contype = 'f' THEN p.conkey END AS foreignkey_connnum, " +
+ "CASE WHEN f.atthasdef = 't' THEN d.adsrc END AS default " +
+ "FROM pg_attribute f JOIN pg_class c ON c.oid = f.attrelid " +
+ " JOIN pg_type t ON t.oid = f.atttypid " +
+ " LEFT JOIN pg_attrdef d ON d.adrelid = c.oid AND d.adnum = f.attnum " +
+ " LEFT JOIN pg_namespace n ON n.oid = c.relnamespace " +
+ " LEFT JOIN pg_constraint p ON p.conrelid = c.oid AND f.attnum = ANY ( p.conkey ) " +
+ " LEFT JOIN pg_class AS g ON p.confrelid = g.oid " +
+ "WHERE c.relkind = 'r'::char AND n.nspname = '%n' " +
+ "AND c.relname = '%s' AND f.attnum > 0 ORDER BY number";
+
+
+