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odbc-rs

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Rust ODBC FFI binding

// repository documentation

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# ODBC wrapper for safe idiomatic Rust

Library for writing [ODBC](https://msdn.microsoft.com/en-us/library/ms710154.aspx) applications in Rust.

If you're looking for raw ODBC FFI bindings check [odbc-safe](https://github.com/pacman82/odbc-safe) and [odbc-sys](https://github.com/pacman82/odbc-sys) crate.

[![Project Status: Unsupported – The project has reached a stable, usable state but the author(s) have ceased all work on it. A new maintainer may be desired.](https://www.repostatus.org/badges/latest/unsupported.svg)](https://www.repostatus.org/#unsupported)

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[![Docs](https://docs.rs/odbc/badge.svg)](https://docs.rs/odbc)
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Docs are also available [here](http://koka.github.io/odbc-rs/odbc/)

```rust
extern crate odbc;
// Use this crate and set environmet variable RUST_LOG=odbc to see ODBC warnings
extern crate env_logger;
use odbc::*;
use std::io;
use odbc_safe::AutocommitOn;

fn main() {

env_logger::init();

match connect() {
        Ok(()) => println!("Success"),
        Err(diag) => println!("Error: {}", diag),
    }
}

fn connect() -> std::result::Result<(), DiagnosticRecord> {

let env = create_environment_v3().map_err(|e| e.unwrap())?;

let mut buffer = String::new();
    println!("Please enter connection string: ");
    io::stdin().read_line(&mut buffer).unwrap();

let conn = env.connect_with_connection_string(&buffer)?;
    execute_statement(&conn)
}

fn execute_statement<'env>(conn: &Connection<'env, AutocommitOn>) -> Result<()> {
    let stmt = Statement::with_parent(conn)?;

let mut sql_text = String::new();
    println!("Please enter SQL statement string: ");
    io::stdin().read_line(&mut sql_text).unwrap();

match stmt.exec_direct(&sql_text)? {
        Data(mut stmt) => {
            let cols = stmt.num_result_cols()?;
            while let Some(mut cursor) = stmt.fetch()? {
                for i in 1..(cols + 1) {
                    match cursor.get_data::<&str>(i as u16)? {
                        Some(val) => print!(" {}", val),
                        None => print!(" NULL"),
                    }
                }
                println!("");
            }
        }
        NoData(_) => println!("Query executed, no data returned"),
    }

Ok(())
}

```

odbc-rs

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