dev.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from src.fake_dataset import AccountBalanceModel\n",
    "import polars as pl\n",
    "model = AccountBalanceModel().new_model()\n",
    "model.people                     "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from src.fake_dataset import AccountBalanceModel\n",
    "import polars as pl\n",
    "model = (AccountBalanceModel().load()\n",
    "                              .add_records()\n",
    "                              .save()\n",
    "                            )\n",
    "model.people"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "pl.read_delta('./delta_tables/people', version=3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "model_ = AccountBalanceModel().load()\n",
    "\n",
    "model_.people.select('id').to_series().value_counts()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "model_.people"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import polars as pl\n",
    "(model.account_balance\n",
    "                    .filter(pl.col('person_id') == 9)\n",
    "                    .select(pl.max('date'))\n",
    "                    .to_series()\n",
    "                    .to_list()[-1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "model.add_records()\n",
    "model.people"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "model.add_records()\n",
    "model.people, model.account_balance"
   ]
  }
 ],
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