def _normalize_date_SQL(self, field_name, field_kwargs, symbol):
fstrs = []<EOL>k_opts = {<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>}<EOL>for k, v in field_kwargs.items():<EOL><INDENT>fstrs.append([k_opts[k].format(self._normalize_name(field_name)), self.val_placeholder, v])<EOL><DEDENT>return fstrs<EOL>
allow extracting information from date

http://www.postgresql.org/docs/8.3/static/functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT