From 13ad950b2923a86a2cb63b5c5a80299f75355dd6 Mon Sep 17 00:00:00 2001
From: TcMits <eddiebrock2001@gmail.com>
Date: Sat, 5 Jul 2025 14:55:18 +0700
Subject: [PATCH] docs

---
 vendored/sqlite3-parser/build.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/vendored/sqlite3-parser/build.rs b/vendored/sqlite3-parser/build.rs
index eff8353e5..65dfc4375 100644
--- a/vendored/sqlite3-parser/build.rs
+++ b/vendored/sqlite3-parser/build.rs
@@ -7,6 +7,20 @@ use std::process::Command;
 
 use cc::Build;
 
+/// generates a trie-like function with nested match expressions for parsing SQL keywords
+/// example: input: [["ABORT", "TK_ABORT"], ["ACTION", "TK_ACTION"], ["ADD", "TK_ADD"],]
+/// A
+/// ├─ B
+/// │  ├─ O
+/// │  │  ├─ R
+/// │  │  │  ├─ T -> TK_ABORT
+/// ├─ C
+/// │  ├─ T
+/// │  │  ├─ I
+/// │  │  │  ├─ O
+/// │  │  │  │  ├─ N -> TK_ACTION
+/// ├─ D
+/// │  ├─ D -> TK_ADD
 fn build_keyword_map(
     writer: &mut impl Write,
     func_name: &str,