django1/django/db/backends/mysql/compiler.py

37 lines
1.1 KiB
Python

try:
from itertools import zip_longest
except ImportError:
from itertools import izip_longest as zip_longest
from django.db.models.sql import compiler
class SQLCompiler(compiler.SQLCompiler):
def resolve_columns(self, row, fields=()):
values = []
index_extra_select = len(self.query.extra_select)
for value, field in zip_longest(row[index_extra_select:], fields):
if (field and field.get_internal_type() in ("BooleanField", "NullBooleanField") and
value in (0, 1)):
value = bool(value)
values.append(value)
return row[:index_extra_select] + tuple(values)
class SQLInsertCompiler(compiler.SQLInsertCompiler, SQLCompiler):
pass
class SQLDeleteCompiler(compiler.SQLDeleteCompiler, SQLCompiler):
pass
class SQLUpdateCompiler(compiler.SQLUpdateCompiler, SQLCompiler):
pass
class SQLAggregateCompiler(compiler.SQLAggregateCompiler, SQLCompiler):
pass
class SQLDateCompiler(compiler.SQLDateCompiler, SQLCompiler):
pass
class SQLDateTimeCompiler(compiler.SQLDateTimeCompiler, SQLCompiler):
pass