jtanx

#include <stdio.h>

#include <utype.h>
#include <chardata.h>
#include <encoding.h>

static int umodenc(int enc, int modtype)
{
	if (modtype == -1)
		return (-1);

jtanx

cmake_minimum_required(VERSION 3.10)

project(parq)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)

find_package(Arrow REQUIRED)

add_executable(parq park.cc)

jtanx

import polars as pl

df = pl.LazyFrame({"A": range(1, 100), "B": range(100, 1, -1)})
df = df.filter(pl.col("A") > 20, pl.col("B") < 50)

df1 = df.with_columns(pl.col("A") * 2)
df2 = df.with_columns(pl.col("B") / 2)

# https://github.com/pola-rs/polars/issues/13065
# This will result in re-evaluating the initial filter twice

jtanx

import datetime as dt
from functools import partial
from typing import Any

import pandas as pd
from dateutil import relativedelta


def next_chunk(st: pd.Timestamp, et: pd.Timestamp, freqs: list[Any]):
    if st == et: