Fix clippy warnings

agenda.md

@@ -6,7 +6,7 @@
 
 Today we are going to:
 - [ ] rewrite logical plan to have full qualified names for tables
-   - [ ] implement Catalog API
+   - [x] implement Catalog API
 - [ ] try to write THE SIMPLEST optimizer in the world
    - [ ] FilterRow 
 - [ ] execute first plan ?*

src/catalog/mod.rs

@@ -1,3 +1,4 @@
+#![allow(dead_code)]
 use std::collections::HashMap;
 
 pub struct Catalog {

src/optimizer/mod.rs

@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use core::panic;
 
 use crate::{

src/parser/mod.rs

@@ -414,7 +414,7 @@ impl<'a> Parser<'a> {
         }
     }
 
-    fn postfix_operator_bp(op: &Op) -> Option<(u8, ())> {
+    fn postfix_operator_bp(_op: &Op) -> Option<(u8, ())> {
         None
     }