Import/Pgsql.php: listTableColumns - SQL failure with PostgreSQL

SQLSTATE[42P01]: Undefined table: 7 ERROR:  missing FROM-clause entry for table "t"                                               
 	  LINE 6: ...                                                  t.typtype ...                                                       
 	                                                               ^. Failing Query: "SELECT                                           
 	                                                       ordinal_position as attnum,                                                 
 	                                                       column_name as field,                                                       
 	                                                       udt_name as type,                                                           
 	                                                       data_type as complete_type,                                                 
 	                                                       t.typtype AS typtype,                                                       
 	                                                       is_nullable as isnotnull,                                                   
 	                                                       column_default as default,                                                   
 	                                                       (                                                                           
 	                                                         SELECT 't'                                                                 
 	                                                           FROM pg_index, pg_attribute a, pg_class c, pg_type t                     
 	                                                           WHERE c.relname = table_name AND a.attname = column_name                 
 	                                                           AND a.attnum > 0 AND a.attrelid = c.oid AND a.atttypid = t.oid           
 	                                                           AND c.oid = pg_index.indrelid AND a.attnum = ANY (pg_index.indkey)       
 	                                                           AND pg_index.indisprimary = 't'                                         
 	                                                           AND format_type(a.atttypid, a.atttypmod) NOT LIKE 'information_schema%' 
 	                                                       ) as pri,                                                                   
 	                                                       character_maximum_length as length                                           
 	                                                     FROM information_schema.COLUMNS                                               
 	                                                     WHERE table_name = 'matable'                                   
 	                                                     ORDER BY ordinal_position"