From bdbdfca6ac53da16af96cfe0b16fe0e0c3bf4338 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philip=20Dub=C3=A9?= <serprex@users.noreply.github.com>
Date: Sat, 4 May 2024 14:15:44 +0000
Subject: [PATCH] mysql: limit 0 describe (#1670)

---
 nexus/peer-mysql/src/lib.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nexus/peer-mysql/src/lib.rs b/nexus/peer-mysql/src/lib.rs
index d57e83b932..6868a53a18 100644
--- a/nexus/peer-mysql/src/lib.rs
+++ b/nexus/peer-mysql/src/lib.rs
@@ -9,7 +9,7 @@ use peer_cursor::{
 };
 use pgwire::error::{ErrorInfo, PgWireError, PgWireResult};
 use pt::peerdb_peers::MySqlConfig;
-use sqlparser::ast::{CloseCursor, Declare, FetchDirection, Statement};
+use sqlparser::ast::{CloseCursor, Declare, Expr, FetchDirection, Statement, Value};
 use stream::MyRecordStream;
 
 pub struct MySqlQueryExecutor {
@@ -202,6 +202,7 @@ impl QueryExecutor for MySqlQueryExecutor {
             Statement::Query(query) => {
                 let mut query = query.clone();
                 ast::rewrite_query(&self.peer_name, &mut query);
+                query.limit = Some(Expr::Value(Value::Number(String::from("0"), false)));
                 Ok(Some(self.query_schema(query.to_string()).await?))
             }
             Statement::Declare { stmts } => {