""" Constants specific to the SQL storage portion of the ORM. """ # Size of each "chunk" for get_iterator calls. # Larger values are slightly faster at the expense of more storage space. GET_ITERATOR_CHUNK_SIZE = 100 # Namedtuples for sql.* internal use. # How many results to expect from a cursor.execute call MULTI = "multi" SINGLE = "single" CURSOR = "cursor" NO_RESULTS = "no results" ORDER_DIR = { "ASC": ("ASC", "DESC"), "DESC": ("DESC", "ASC"), } # SQL join types. INNER = "INNER JOIN" LOUTER = "LEFT OUTER JOIN"