value exprs

squirrel_client/.gitignore

@@ -0,0 +1 @@
+/target

squirrel_client/Cargo.lock

@@ -0,0 +1,23 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "anyhow"
+version = "1.0.76"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59d2a3357dde987206219e78ecfbbb6e8dad06cbb65292758d3270e6254f7355"
+
+[[package]]
+name = "squirrel_client"
+version = "0.1.0"
+dependencies = [
+ "squirrel_core",
+]
+
+[[package]]
+name = "squirrel_core"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+]

squirrel_client/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "squirrel_client"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+squirrel_core = { path = "../squirrel_core" }

squirrel_client/src/main.rs

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+use std::io;
+use std::io::{Read, Write};
+use std::net::TcpStream;
+
+fn main() {
+    match TcpStream::connect("localhost:5433") {
+        Ok(mut stream) => {
+            println!("Connected to Database");
+            loop {
+                print!("SQUIRREL: ");
+                io::stdout().flush().unwrap();
+
+                let mut msg_str = String::new();
+                let bytes = std::io::stdin().read_line(&mut msg_str).unwrap();
+                if bytes == 0 {
+                    break;
+                }
+                let msg = msg_str.as_bytes();
+
+                stream.write(msg).unwrap();
+
+                let mut response_size_buffer = [0 as u8; 8];
+                stream.read_exact(&mut response_size_buffer).unwrap();
+                let response_size: usize = usize::from_le_bytes(response_size_buffer);
+                let mut response_buffer = vec![0 as u8; response_size];
+                stream.read_exact(&mut response_buffer).unwrap();
+                println!(
+                    "{}",
+                    String::from_utf8(response_buffer).expect("a utf-8 string")
+                );
+            }
+        }
+        Err(e) => {
+            println!("Failed to connect: {}", e);
+        }
+    }
+    println!("Goodbye!");
+}

squirrel_client/test_queries.sql

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+CREATE TABLE users (id int, first_name varchar 128, last_name varchar 128, address varchar 128, age int);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (1, "Alex", "Karev", "613 Harper Lane Seattle, Washington", 33);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (2, "Richard", "Hendricks", "5230 Newell Road Palo Alto, California", 24);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (3, "Dinesh", "Chugati", "5230 Newell Road Palo Alto, California", 23);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (4, "Michael", "Scott", "1725 Slough Avenue Scranton, Pennsylvania", 40);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (5, "Walter", "White", "308 Negra Arroyo Lane Albuquerque, New Mexico", 50);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (6, "Jerry", "Seinfeld", "129 West 81st Street Apartment 5A New York, New York", 38);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (7, "Elaine", "Benes", "162 Riverside Drive Apartment 3E New York, New York", 36);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (8, "George", "Costanza", "129 West 81st Street Apartment 4B New York, New York", 39);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (9, "Cosmo", "Kramer", "129 West 81st Street Apartment 5B New York, New York", 41);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (10, "Newman", "Newman", "The Postal Office, New York, New York", 45);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (11, "Frank", "Costanza", "329 West 81st Street Apartment 5A New York, New York", 68);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (12, "Estelle", "Costanza", "Del Boca Vista Phase III, Florida", 65);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (13, "Jesse", "Pinkman", "9809 Margo Street Albuquerque, New Mexico", 27);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (14, "Skyler", "White", "308 Negra Arroyo Lane Albuquerque, New Mexico", 42);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (15, "Saul", "Goodman", "160 Juan Tabo Boulevard, Suite 503 Albuquerque, New Mexico", 50);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (16, "Gus", "Fring", "Los Pollos Hermanos, Albuquerque, New Mexico", 48);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (17, "Hank", "Schrader", "4901 Cumbre del Sur Court Albuquerque, New Mexico", 43);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (18, "Wendy", "S.", "Riverside Motel, Albuquerque, New Mexico", 32);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (19, "Tuco", "Salamanca", "1230 Negra Arroyo Lane Albuquerque, New Mexico", 34);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (20, "Gale", "Boetticher", "308 Negra Arroyo Lane Albuquerque, New Mexico", 32);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (21, "Badger", "Mayhew", "RV, Somewhere in the Desert", 29);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (22, "Skinny", "Pete", "Apartment 23, Albuquerque, New Mexico", 30);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (23, "Meredith", "Grey", "Grey Sloan Memorial Hospital, Seattle, Washington", 35);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (24, "Derek", "Shepherd", "Grey Sloan Memorial Hospital, Seattle, Washington", 40);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (25, "Cristina", "Yang", "1234 Chief Webber's Apartment, Seattle, Washington", 32);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (26, "Miranda", "Bailey", "Grey Sloan Memorial Hospital, Seattle, Washington", 38);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (27, "Arizona", "Robbins", "567 Surgical Wing, Grey Sloan Memorial Hospital, Seattle, Washington", 37);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (28, "Callie", "Torres", "789 Orthopedic Wing, Grey Sloan Memorial Hospital, Seattle, Washington", 36);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (29, "Mark", "Sloan", "Grey Sloan Memorial Hospital, Seattle, Washington", 40);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (30, "April", "Kepner", "1010 Mercy West Hospital, Seattle, Washington", 30);
+INSERT INTO users (id, first_name, last_name, address, age) VALUES (31, "Jackson", "Avery", "678 Plastic Surgery Wing, Grey Sloan Memorial Hospital, Seattle, Washington", 34);