Switch (back) to postgres

backend/src/import.rs

@@ -1,11 +1,11 @@
 use crate::dat::{Config, Reader};
 use crate::model::{ClassRecord, InstructorRecord, MeetingRecord, ToRow};
-use sqlx::{prelude::*, Pool, MySql, QueryBuilder};
+use sqlx::{prelude::*, Pool, Postgres, QueryBuilder};
 use std::io::BufReader;
 
 const BIND_LIMIT: usize = 65535;
 
-pub async fn import(pool: &Pool<MySql>) -> Result<(), sqlx::Error> {
+pub async fn import(pool: &Pool<Postgres>) -> Result<(), sqlx::Error> {
  let mut connection = pool.acquire().await?;
  connection
  .transaction(|transaction| {

backend/src/model.rs

@@ -7,23 +7,23 @@
 //! backend queries for its information.
 
 use serde::{Deserialize, Serialize};
-use sqlx::{mysql, query_builder::Separated, types::chrono, FromRow, MySql};
+use sqlx::{mysql, query_builder::Separated, types::chrono, FromRow, Postgres};
 use std::fmt::Display;
 use utoipa::ToSchema;
 
 pub trait ToRow {
  fn keys() -> &'static [&'static str];
  fn bind<'qb, 'args: 'qb, Sep: Display>(
  &self,
- query_builder: &mut Separated<'qb, 'args, MySql, Sep>,
+ query_builder: &mut Separated<'qb, 'args, Postgres, Sep>,
  );
 }
 
-trait ToEncode<'a, T: sqlx::Type<MySql> + sqlx::Encode<'a, MySql>> {
+trait ToEncode<'a, T: sqlx::Type<Postgres> + sqlx::Encode<'a, Postgres>> {
  fn to_encode(&self) -> T;
 }
 
-impl<'a, T: sqlx::Type<MySql> + sqlx::Encode<'a, MySql> + Clone> ToEncode<'a, T> for T {
+impl<'a, T: sqlx::Type<Postgres> + sqlx::Encode<'a, Postgres> + Clone> ToEncode<'a, T> for T {
  fn to_encode(&self) -> T {
  self.clone()
  }
@@ -61,7 +61,7 @@ macro_rules! generate_to_row {
 
  fn bind<'qb, 'args: 'qb, Sep: Display>(
  &self,
- query_builder: &mut Separated<'qb, 'args, MySql, Sep>
+ query_builder: &mut Separated<'qb, 'args, Postgres, Sep>
  ) {
  query_builder
  $(.push_bind(self.$field_name.to_encode()))*;