def field(self, model, field):
c = Context(namespace=Names.Create.ColumnsLevel)
c.varColumnName = field.Name
c.varColumnType = field.StorageType
for feature in field.features:
feature.createHook(self, field, c)
return c
def gene():
nonlocal context
assert len(self._fields)
if self._where:
context.varWhereExpr = str(self._where)
for field, expr in self._fields:
c = Context(namespace=Names.Update.ColumnsLevel)
c.varColumnName = field.Name
c.varColumnUpdateExpr = expr
context.level(c)
return self.builder.build(context)
def sql(self):
table = self.model.Name
context = Context(namespace=Names.Select)
context.varSelectTable = table
if self._where:
context.varWhereExpr = str(self._where)
if self._fields:
names = [f.name for f in self._fields]
for name in names:
c = Context(namespace=Names.Select.ColumnsLevel)
c.varTableName = table
c.varColumnName = name
context.level(c)
return self.builder.build(context)
