test-sql-to-csv.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "from sqlalchemy import create_engine\n",
    "\n",
    "engine = create_engine('mysql://root:1q2w3e4r@localhost/kuytid')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "\n",
    "relation = pd.read_sql_table('user_relations',engine)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'pandas.core.frame.DataFrame'>\n",
      "Int64Index: 1096835 entries, 0 to 1409990\n",
      "Data columns (total 4 columns):\n",
      "id          1096835 non-null int64\n",
      "user_id     1096835 non-null object\n",
      "followed    1096835 non-null object\n",
      "username    1096835 non-null object\n",
      "dtypes: int64(1), object(3)\n",
      "memory usage: 41.8+ MB\n",
      "None\n"
     ]
    }
   ],
   "source": [
    "relation=relation.drop_duplicates(['user_id','followed'])\n",
    "print(relation.info())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "user = pd.read_sql_table('users',engine)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'pandas.core.frame.DataFrame'>\n",
      "Int64Index: 751654 entries, 0 to 959560\n",
      "Data columns (total 11 columns):\n",
      "id                  751654 non-null int64\n",
      "user_id             751654 non-null object\n",
      "full_name           751654 non-null object\n",
      "username            751654 non-null object\n",
      "biography           6778 non-null object\n",
      "edge_followed_by    6778 non-null float64\n",
      "edge_follow         6778 non-null float64\n",
      "is_private          6778 non-null float64\n",
      "profile_pic_url     751654 non-null object\n",
      "media_count         6778 non-null float64\n",
      "is_fetch            751654 non-null int64\n",
      "dtypes: float64(4), int64(2), object(5)\n",
      "memory usage: 68.8+ MB\n",
      "None\n"
     ]
    }
   ],
   "source": [
    "user = user.drop_duplicates('user_id')\n",
    "print(user.info())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [],
   "source": [
    "relation.to_csv('relations.csv')\n",
    "user.to_csv('users.csv')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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