dr/src/main.rs

35 lines
1.1 KiB
Rust
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mod sql;
use clap::{arg, command, Command};
use polars::prelude::*;
fn main() {
let matches = command!()
.subcommand(
Command::new("sql")
.about("Runs a sql statement on the file")
.arg(arg!([statement] "SQL statement"))
.arg(arg!(-d --delimiter <String> "Column delimiter").required(false)),
)
.get_matches();
if let Some(matches) = matches.subcommand_matches("sql") {
if let Some(delimiter) = matches.get_one::<String>("delimiter") {
println!("Delimiter: {delimiter}")
} else {
println!("No delimiter")
}
if let Some(statement) = matches.get_one::<String>("statement") {
println!("Statement: {statement}");
} else {
let mut df = match sql::load_csv_from_stdin() {
Ok(df) => df,
Err(_e) => DataFrame::default(),
};
let _res = match sql::dump_csv_to_stdout(&mut df) {
Ok(_df) => (),
Err(_e) => (),
};
}
}
}