From 5a6b5813d7d11ff98283f65d43d359b7d728118f Mon Sep 17 00:00:00 2001
From: June Kim <kimjune01@gmail.com>
Date: Sun, 10 May 2026 08:33:36 -0700
Subject: [PATCH] Fix DuckDB :: casting warning

DuckDB natively supports PostgreSQL's :: casting shorthand:
https://duckdb.org/docs/stable/sql/expressions/cast#explicit-casting

Added SupportedDatabase::Duckdb to the allow-list to prevent
unnecessary warning and CAST transformation.

Fixes #1200
---
 src/webserver/database/sql/parameter_extraction.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/webserver/database/sql/parameter_extraction.rs b/src/webserver/database/sql/parameter_extraction.rs
index 3e429531..57bb08c4 100644
--- a/src/webserver/database/sql/parameter_extraction.rs
+++ b/src/webserver/database/sql/parameter_extraction.rs
@@ -572,6 +572,7 @@ impl VisitorMut for ParameterExtractor {
                 ..
             } if ![
                 SupportedDatabase::Postgres,
+                SupportedDatabase::Duckdb,
                 SupportedDatabase::Snowflake,
                 SupportedDatabase::Generic,
             ]