snapshot of https://github.com/tauri-apps/plugins-workspace.git (v2, 2026-09-23; blobs > 131072B omitted)

plugins/sql/src/error.rs

@@ -0,0 +1,42 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+use serde::{Serialize, Serializer};
+
+/// Errors that can happen while connecting to a database, running migrations
+/// or executing a query.
+///
+/// Serializes to its [`std::fmt::Display`] representation, which is what the
+/// frontend receives when a command fails.
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    /// An error reported by [`sqlx`], such as a failed connection or a query the database rejected.
+    #[error(transparent)]
+    Sql(#[from] sqlx::Error),
+    /// A migration registered with [`crate::Builder::add_migrations`] could not be resolved or applied.
+    #[error(transparent)]
+    Migration(#[from] sqlx::migrate::MigrateError),
+    /// The connection string is missing its `scheme:` prefix, or the scheme does not
+    /// match any of the enabled database drivers. Contains the offending connection string.
+    #[error("invalid connection url: {0}")]
+    InvalidDbUrl(String),
+    /// The requested database has not been connected to with the `load` command
+    /// and is not listed in the plugin's `preload` configuration.
+    /// Contains the connection string of the database.
+    #[error("database {0} not loaded")]
+    DatabaseNotLoaded(String),
+    /// A value selected from the database has a SQL type that cannot be converted
+    /// to JSON. Contains the name of that SQL type.
+    #[error("unsupported datatype: {0}")]
+    UnsupportedDatatype(String),
+}
+
+impl Serialize for Error {
+    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serializer.serialize_str(self.to_string().as_ref())
+    }
+}