feat(editor): preview dml changes as readonly select

crates/dbx-web/src/main.rs

@@ -593,6 +593,7 @@ async fn main() {
             "/query/build-data-grid-copy-insert-statement",
             post(routes::query::build_data_grid_copy_insert_statement),
         )
+        .route("/query/build-dml-change-preview-sql", post(routes::query::build_dml_change_preview_sql))
         .route(
             "/query/build-data-grid-context-filter-condition",
             post(routes::query::build_data_grid_context_filter_condition),

crates/dbx-web/src/routes/query.rs

@@ -322,6 +322,12 @@ pub struct BuildDataGridCopyInsertStatementRequest {
     pub options: dbx_core::data_grid_sql::DataGridCopyInsertStatementOptions,
 }
 
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct BuildDmlChangePreviewSqlRequest {
+    pub options: dbx_core::dml_preview_sql::DmlChangePreviewSqlOptions,
+}
+
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct BuildDataGridContextFilterConditionRequest {
@@ -1068,6 +1074,14 @@ pub async fn build_data_grid_copy_insert_statement(
     Json(dbx_core::data_grid_sql::build_data_grid_copy_insert_statement(req.options))
 }
 
+pub async fn build_dml_change_preview_sql(
+    Json(req): Json<BuildDmlChangePreviewSqlRequest>,
+) -> Result<Json<dbx_core::dml_preview_sql::DmlChangePreviewSqlResult>, (axum::http::StatusCode, Json<String>)> {
+    dbx_core::dml_preview_sql::build_dml_change_preview_sql(req.options)
+        .map(Json)
+        .map_err(|message| (axum::http::StatusCode::BAD_REQUEST, Json(message)))
+}
+
 pub async fn build_data_grid_context_filter_condition(
     Json(req): Json<BuildDataGridContextFilterConditionRequest>,
 ) -> Json<Option<String>> {