privacykit/notebooks/risk.ipynb

{
 "cells": [
  {
   "cell_type": "code",
    "    \"\"\"\n",
    "        This function will generate the SQL query for the resulting join\n",
    "    \"\"\"\n",
    "    \n",
    "    xo = args['xo']\n",
    "    x_ = args['xi']\n",
    "    xo_name = \".\".join([args['prefix'],xo['name'] ]) if 'prefix' in args else xo['name']\n",
    "    SQL = \"SELECT :fields FROM :xo.name \".replace(\":xo.name\",xo_name)\n",
    "    if not isinstance(x_,list):\n",
    "        x_ = [x_]\n",
    "    f = []#[\".\".join([args['xo']['name'],args['join']] )]    \n",
    "    INNER_JOINS = []\n",
    "    for xi in x_ :\n",
    "        xi_name = \".\".join([args['prefix'],xi['name'] ]) if 'prefix' in args else xi['name']\n",
    "        JOIN_SQL = \"INNER JOIN :xi.name ON \".replace(':xi.name',xi_name)\n",
    "        value  = \".\".join([xi['name'],args['join']])\n",
    "        f.append(value) \n",
    "        \n",
    "        ON_SQL = \"\"\n",
    "        tmp = []\n",
    "        for term in f :\n",
    "            ON_SQL = \":xi.name.:ofield = :xo.name.:ofield\".replace(\":xo.name\",xo['name'])\n",
    "            ON_SQL = ON_SQL.replace(\":xi.name.:ofield\",term).replace(\":ofield\",args['join'])\n",
    "            tmp.append(ON_SQL)\n",
    "        INNER_JOINS += [JOIN_SQL + \" AND \".join(tmp)]\n",
    "    return SQL + \" \".join(INNER_JOINS)\n",
    "            FROM (:sql)\n",
    "        GROUP BY :fields\n",
    "        ) \n",
    "        order by 1\n",
    "        \n",
    "    \"\"\".replace(\":sql\",base_sql)\n",
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
   "cell_type": "code",
   "execution_count": 6,
  {
  },