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[MySQL] Configure connection on open

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Ryan Leckey 2019-12-30 00:52:03 -08:00
parent 2a42ff9f0d
commit c325feaf9a
1 changed files with 32 additions and 0 deletions
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32
sqlx-core/src/mysql/connection.rs
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@ -7,6 +7,7 @@ use futures_core::future::BoxFuture;
use crate::cache::StatementCache;
use crate::connection::Connection;
use crate::executor::Executor;
use crate::io::{Buf, BufMut, BufStream};
use crate::mysql::error::MySqlError;
use crate::mysql::protocol::{
@ -176,6 +177,37 @@ impl MySqlConnection {
let _ok = self_.receive_ok().await?;
// On connect, we want to establish a modern, Rust-compatible baseline so we
// tweak connection options to enable UTC for TIMESTAMP, UTF-8 for character types, etc.
// TODO: Use batch support when we have it to handle the following in one execution
// https://mariadb.com/kb/en/sql-mode/
// PIPES_AS_CONCAT - Allows using the pipe character (ASCII 124) as string concatenation operator.
// This means that "A" || "B" can be used in place of CONCAT("A", "B").
// NO_ENGINE_SUBSTITUTION - If not set, if the available storage engine specified by a CREATE TABLE is
// not available, a warning is given and the default storage
// engine is used instead.
// NO_ZERO_DATE - Don't allow '0000-00-00'. This is invalid in Rust.
// NO_ZERO_IN_DATE - Don't allow 'yyyy-00-00'. This is invalid in Rust.
self_.send("SET sql_mode=(SELECT CONCAT(@@sql_mode, ',PIPES_AS_CONCAT,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE'))")
.await?;
// This allows us to assume that the output from a TIMESTAMP field is UTC
self_.send("SET time_zone = 'UTC'").await?;
// https://mathiasbynens.be/notes/mysql-utf8mb4
self_
.send("SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci")
.await?;
Ok(self_)
}