From d9fc4899ad633489d8f4e398aa39fc0dadc5b6fa Mon Sep 17 00:00:00 2001
From: Austin Bonander <austin.bonander@gmail.com>
Date: Fri, 21 Feb 2025 15:52:27 -0800
Subject: [PATCH] feat(config): better errors for mislabeled fields

---
 sqlx-core/src/config/common.rs  | 2 +-
 sqlx-core/src/config/macros.rs  | 2 +-
 sqlx-core/src/config/migrate.rs | 2 +-
 sqlx-core/src/config/mod.rs     | 5 ++++-
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/sqlx-core/src/config/common.rs b/sqlx-core/src/config/common.rs
index d2bf639e..2d5342d5 100644
--- a/sqlx-core/src/config/common.rs
+++ b/sqlx-core/src/config/common.rs
@@ -3,7 +3,7 @@
 #[cfg_attr(
     feature = "sqlx-toml",
     derive(serde::Deserialize),
-    serde(default, rename_all = "kebab-case")
+    serde(default, rename_all = "kebab-case", deny_unknown_fields)
 )]
 pub struct Config {
     /// Override the database URL environment variable.
diff --git a/sqlx-core/src/config/macros.rs b/sqlx-core/src/config/macros.rs
index 19e5f42f..9acabf2d 100644
--- a/sqlx-core/src/config/macros.rs
+++ b/sqlx-core/src/config/macros.rs
@@ -5,7 +5,7 @@ use std::collections::BTreeMap;
 #[cfg_attr(
     feature = "sqlx-toml",
     derive(serde::Deserialize),
-    serde(default, rename_all = "kebab-case")
+    serde(default, rename_all = "kebab-case", deny_unknown_fields)
 )]
 pub struct Config {
     /// Specify which crates' types to use when types from multiple crates apply.
diff --git a/sqlx-core/src/config/migrate.rs b/sqlx-core/src/config/migrate.rs
index 4865e24c..0dd6cc22 100644
--- a/sqlx-core/src/config/migrate.rs
+++ b/sqlx-core/src/config/migrate.rs
@@ -16,7 +16,7 @@ use std::collections::BTreeSet;
 #[cfg_attr(
     feature = "sqlx-toml",
     derive(serde::Deserialize),
-    serde(default, rename_all = "kebab-case")
+    serde(default, rename_all = "kebab-case", deny_unknown_fields)
 )]
 pub struct Config {
     /// Specify the names of schemas to create if they don't already exist.
diff --git a/sqlx-core/src/config/mod.rs b/sqlx-core/src/config/mod.rs
index 02bde20f..5801af88 100644
--- a/sqlx-core/src/config/mod.rs
+++ b/sqlx-core/src/config/mod.rs
@@ -48,7 +48,7 @@ mod tests;
 #[cfg_attr(
     feature = "sqlx-toml",
     derive(serde::Deserialize),
-    serde(default, rename_all = "kebab-case")
+    serde(default, rename_all = "kebab-case", deny_unknown_fields)
 )]
 pub struct Config {
     /// Configuration shared by multiple components.
@@ -210,6 +210,9 @@ impl Config {
                     // Only returned if the file exists but the feature is not enabled.
                     panic!("{e}")
                 }
+                Err(ConfigError::Parse { error, path }) => {
+                    panic!("error parsing sqlx config {path:?}: {error}")
+                }
                 Err(e) => {
                     panic!("failed to read sqlx config: {e}")
                 }