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Code Issues 25 Releases Wiki Activity

Refs #32502 -- Added SchemaEditor.prepare_default() on SQLite.

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Mariusz Felisiak 2021-12-10 12:05:58 +01:00 committed by GitHub
parent 702c314c57
commit 4e249d11a6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 3 deletions
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9
django/db/backends/sqlite3/schema.py
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@ -64,6 +64,9 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
else:
raise ValueError("Cannot quote parameter value %r of type %s" % (value, type(value)))
def prepare_default(self, value):
return self.quote_value(value)
def _is_referenced_by_fk_constraint(self, table_name, column_name=None, ignore_self=False):
"""
Return whether or not the provided table name is referenced by another
@ -186,8 +189,8 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
body[create_field.name] = create_field
# Choose a default and insert it into the copy map
if not create_field.many_to_many and create_field.concrete:
mapping[create_field.column] = self.quote_value(
self.effective_default(create_field)
mapping[create_field.column] = self.prepare_default(
self.effective_default(create_field),
)
# Add in any altered fields
if alter_field:
@ -198,7 +201,7 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
if old_field.null and not new_field.null:
case_sql = "coalesce(%(col)s, %(default)s)" % {
'col': self.quote_name(old_field.column),
'default': self.quote_value(self.effective_default(new_field))
'default': self.prepare_default(self.effective_default(new_field)),
}
mapping[new_field.column] = case_sql
else: