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|
use clap::Parser;
use rusqlite;
use yaml_rust::yaml;
#[derive(clap::Parser, Debug)]
#[clap(version)]
struct Args {
#[clap(subcommand)]
command: Command,
}
#[derive(clap::Subcommand, Debug)]
enum Command {
Insert {
#[clap(long)]
database: String,
table_name: String,
input_file: Option<String>,
},
Select {
#[clap(long)]
database: String,
table_name: String,
#[clap(long)]
primary_key: Option<String>,
record_id: String,
#[clap(long)]
exclude_column: Vec<String>,
},
}
fn main() {
let args = Args::parse();
match args.command {
Command::Insert {
database,
table_name,
input_file,
} => {
let input_file = match &input_file {
Some(f) => f,
None => "-",
};
let mut dbconn = rusqlite::Connection::open(database).unwrap();
let mut text_data;
if input_file == "-" {
use std::io::Read;
text_data = String::new();
std::io::stdin().read_to_string(&mut text_data).unwrap();
} else {
text_data = std::fs::read_to_string(input_file).unwrap();
}
let mut yaml_data = yaml::YamlLoader::load_from_str(&text_data).unwrap();
yaqlite::insert(&mut dbconn, &table_name, &mut yaml_data).unwrap();
dbconn.close().unwrap();
},
Command::Select {
database,
table_name,
primary_key,
record_id,
exclude_column,
} => {
let dbconn = rusqlite::Connection::open(database).unwrap();
let yaml_data = match primary_key {
Some(pk) => yaqlite::select_by_column(
&dbconn,
&table_name,
&pk,
&record_id,
).unwrap(),
None => yaqlite::select(
&dbconn,
&table_name,
&record_id,
).unwrap(),
};
let stdout = std::io::stdout();
let mut stdout_handle = stdout.lock();
let mut buffer = yaqlite::yaml::IoAdapter::new(&mut stdout_handle);
let mut emitter = yaml_rust::YamlEmitter::new(&mut buffer);
emitter.dump(&yaml_data).unwrap();
// YamlEmitter doesn't output a trailing newline.
{
use std::io::Write;
writeln!(stdout_handle, "").unwrap();
}
dbconn.close().unwrap();
},
};
}
|
