| """ | |
| 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" | |