justdoit0823

import multiprocessing
import os
import threading
import time


def child_thread(lock):
    with lock:
        time.sleep(10)

justdoit0823

#include <Python.h>
#include "stdio.h"


int main(int argc, char * argv[]){
  int i = 0;
  PyTypeObject ptype, btype = PyType_Type, PyBaseObject_Type;
  printf("i 0x%lx.\n", (unsigned long)&i);
  printf("type name %s.\n", PyType_Type.tp_name);

justdoit0823

/* This is similar to PyObject_GenericGetAttr(),
   but uses _PyType_Lookup() instead of just looking in type->tp_dict. */
static PyObject *
type_getattro(PyTypeObject *type, PyObject *name)
{
    PyTypeObject *metatype = Py_TYPE(type);
    PyObject *meta_attribute, *attribute;
    descrgetfunc meta_get;

    if (!PyUnicode_Check(name)) {

justdoit0823

/* Generic GetAttr functions - put these in your tp_[gs]etattro slot */

PyObject *
_PyObject_GenericGetAttrWithDict(PyObject *obj, PyObject *name, PyObject *dict)
{
    PyTypeObject *tp = Py_TYPE(obj);
    PyObject *descr = NULL;
    PyObject *res = NULL;
    descrgetfunc f;
    Py_ssize_t dictoffset;

justdoit0823

// type object set attribute
static int
type_setattro(PyTypeObject *type, PyObject *name, PyObject *value)
{
    if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
        PyErr_Format(
            PyExc_TypeError,
            "can't set attributes of built-in/extension type '%s'",
            type->tp_name);

justdoit0823

from concurrent.futures import ThreadPoolExecutor
import grpc
import pytest

import a_pb2_grpc
from rpc.server import AGRpcServer, BGRpcServer
import b_pb2_grpc

justdoit0823

from sqlalchemy.orm.base import instance_state


def get_instance_identity(instance, single=True):
    """获取实例主键值。"""
    identity = instance_state(instance).identity
    if single:
        return identity[0]

justdoit0823

# install zlib
apt install zlib1g zlib1g-dev

# install pcre
apt install libpcre3 libpcre3-dev

# language zh-hans
apt install language-pack-zh-hans

justdoit0823

drop table if exists s_multi_update_same_row;

create table s_multi_update_same_row(
	id int,
	count int
);

insert into s_multi_update_same_row select id, 0 from generate_series(1, 1000) as id;

update s_multi_update_same_row A set count = count + 1 from generate_series(1, 10000) as B(id) where A.id = B.id % 1000 + 1;

justdoit0823

drop table if exists s_user_table;
create table s_user_table (
       id int,
       user_id int
);


drop table if exists s_user_cnt_table;
create table s_user_cnt_table (