Reduce default String length of pk to 255

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Stefan Wehrmeyer 2014-01-31 21:11:12 +01:00
parent a34315818f
commit ed007bf4be
1 changed files with 3 additions and 3 deletions
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6
dataset/persistence/database.py
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@ -121,7 +121,7 @@ class Database(object):
as the primary key of the table. Automatic id is set to be an
auto-incrementing integer, while the type of custom primary_id can be a
String or an Integer as specified with primary_type flag. The default
length of String is 256. The caller can specify the length.
length of String is 255. The caller can specify the length.
The caller will be responsible for the uniqueness of manual primary_id.
This custom id feature is only available via direct create_table call.
@ -148,10 +148,10 @@ class Database(object):
auto_flag = True
col = Column(primary_id, Integer, primary_key=True, autoincrement=auto_flag)
elif not match.group(3):
col = Column(primary_id, String(256), primary_key=True)
col = Column(primary_id, String(255), primary_key=True)
else:
len_string = int(match.group(3)[1:-1])
len_string = min(len_string, 256)
len_string = min(len_string, 255)
col = Column(primary_id, String(len_string), primary_key=True)
else:
raise DatasetException(