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| Current File : //usr/local/lib/python3.8/dist-packages/django/db/models/sql/constants.py |
"""
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"