remote/sqlite-utils
1
0
Fork 0
mirror of https://github.com/simonw/sqlite-utils.git synced 2026-07-24 18:04:32 +02:00
Code Issues Projects Releases Packages Wiki Activity

Fixed bug with null columns, closes #95

Browse source
This commit is contained in:
Simon Willison 2020-03-23 13:31:06 -07:00
commit b436bdb594
3 changed files with 15 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

11
sqlite_utils/utils.py
View file

@ -13,11 +13,16 @@ def suggest_column_types(records):
all_column_types = {}
for record in records:
for key, value in record.items():
if value is not None:
all_column_types.setdefault(key, set()).add(type(value))
all_column_types.setdefault(key, set()).add(type(value))
column_types = {}
for key, types in all_column_types.items():
if len(types) == 1:
# Ignore null values if at least one other type present:
if len(types) > 1:
types.discard(None.__class__)
if {None.__class__} == types:
t = str
elif len(types) == 1:
t = list(types)[0]
# But if it's a subclass of list / tuple / dict, use str
# instead as we will be storing it as JSON in the table