app/django/db/models/sql/constants.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Sat, 24 Jan 2009 11:07:16 +0000
changeset 949 07fdadbd6dc7
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Check if timeline exists and when somebody tries to edit non existing timelime display error message. Add TODO regarding error message customization for Timeline. Add support for calendar widget in timeline for both gsoc and ghop programs (gsoc was hardcoded before). Patch by: Pawel Solyga Review by: to-be-reviewed

import re

# Valid query types (a dictionary is used for speedy lookups).
QUERY_TERMS = dict([(x, None) for x in (
    'exact', 'iexact', 'contains', 'icontains', 'gt', 'gte', 'lt', 'lte', 'in',
    'startswith', 'istartswith', 'endswith', 'iendswith', 'range', 'year',
    'month', 'day', 'isnull', 'search', 'regex', 'iregex',
    )])

# 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

# Separator used to split filter strings apart.
LOOKUP_SEP = '__'

# Constants to make looking up tuple values clearer.
# Join lists (indexes into the tuples that are values in the alias_map
# dictionary in the Query class).
TABLE_NAME = 0
RHS_ALIAS = 1
JOIN_TYPE = 2
LHS_ALIAS = 3
LHS_JOIN_COL = 4
RHS_JOIN_COL = 5
NULLABLE = 6

# How many results to expect from a cursor.execute call
MULTI = 'multi'
SINGLE = 'single'

ORDER_PATTERN = re.compile(r'\?|[-+]?[.\w]+$')
ORDER_DIR = {
    'ASC': ('ASC', 'DESC'),
    'DESC': ('DESC', 'ASC')}