sql_counter = 0
class Cursor(object):
- IN_MAX = 1000
+ IN_MAX = 1000 # decent limit on size of IN queries - guideline = Oracle limit
__logger = logging.getLogger('db.cursor')
def check(f):
self.sql_into_log[res_into.group(1)][1] += delay
return res
+
+ def split_for_in_conditions(self, ids):
+ """Split a list of identifiers into one or more smaller tuples
+ safe for IN conditions, after uniquifying them."""
+ return tools.misc.split_every(self.IN_MAX, set(ids))
+
def print_log(self):
global sql_counter
sql_counter += self.sql_log_count