1
我是新来的Python和Psycopg2 ...我'尝试这样做,使用IN
SQL语句和其他WHERE
子句的查询,但我发现这样的错误:Python - Psycopg2,如何在cur.execute()中混合元组和字符串?
psycopg2.ProgrammingError: argument formats can't be mixed
从我明白我的混合串Python的元组,这里是SELECT
声明:
cur2.execute("SELECT hash FROM jobsads_text\
WHERE\
date_inserted::timestamp::date - now()::timestamp::date <= 0\
AND date_inserted::timestamp::date - now()::timestamp::date >= -7\
AND hash NOT IN %s \
AND lower((%s)) LIKE '%(%s)%'\
ORDER BY date_inserted asc;", ((not_in_sql,), search_field, search_string))
我在查询得到的错误之上。
这个查询波纹管运行正常:
cur2.execute("SELECT hash FROM jobsads_text\
WHERE\
date_inserted::timestamp::date - now()::timestamp::date <= 0\
AND date_inserted::timestamp::date - now()::timestamp::date >= -7\
AND hash NOT IN %s \
ORDER BY date_inserted asc;", (not_in_sql,))
我的问题是...我怎么能与琴弦search_field
和search_string
混合元组not_in_sql
?
任何线索?
最好的问候,
太棒了!这是工作!非常感谢您的帮助。 – IceSquad 2012-03-17 15:19:46