使用psycopg2引擎用django编写应用程序。似乎并不总是想引用我的字符串。这里是一个测试用例:为什么这些字符串不会被psycopg2引用以进行查询?
>>> from pypvs.search.models import Addr2zip
>>> kwargs = {
... 'street_name__iexact': 'Common Ground',
... 'state_id__iexact': 'MT',
... }
>>> addrMatch = Addr2zip.objects.extra(
... where = ['ctystate.zip5 = addr2zip.zip5 AND ctystate.city_name = \'%s\'' % 'Philipsburg'],
... tables = ['ctystate', 'addr2zip']
...).filter(**kwargs).order_by('zip5', 'street_name', 'primary_address_low', 'secondary_address_low')
>>> print addrMatch.query
SELECT "addr2zip"."addr2zip_id", "addr2zip"."zip5", "addr2zip"."zip4_low", "addr2zip"."zip4_high", "addr2zip"."street_direction", "addr2zip"."street_name", "addr2zip"."street_suffix", "addr2zip"."street_post_direction", "addr2zip"."primary_address_low", "addr2zip"."primary_address_high", "addr2zip"."primary_address_parity", "addr2zip"."secondary_address", "addr2zip"."secondary_address_low", "addr2zip"."secondary_address_high", "addr2zip"."secondary_address_parity", "addr2zip"."state_id", "addr2zip"."county_code", "addr2zip"."municipality_key", "addr2zip"."urbanization_key", "addr2zip"."record_type" FROM "addr2zip" , "ctystate" WHERE (ctystate.zip5 = addr2zip.zip5 AND ctystate.city_name = Philipsburg AND UPPER("addr2zip"."state_id"::text) = UPPER(MT) AND UPPER("addr2zip"."street_name"::text) = UPPER(Common Ground)) ORDER BY "addr2zip"."zip5" ASC, "addr2zip"."street_name" ASC, "addr2zip"."primary_address_low" ASC, "addr2zip"."secondary_address_low" ASC
什么原因导致这些字符串不被引用?例如,“共同点”:
AND UPPER("addr2zip"."street_name"::text) = UPPER(Common Ground)
不知道问题出在我的实现,psycopg2,或者Django的ORM。我会很感激任何想法。
我得到的一个。但请参阅我在“street_name”原始帖子中使用的示例。 – 2010-11-24 22:56:19