25 lines
533 B
Python
25 lines
533 B
Python
|
"""
|
||
|
|
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"
|