talbe definition web

web/src/pages/add_table/loader.rs

@@ -7,12 +7,14 @@ use crate::{
 
 use super::{draft::TableDraft, state::AddTablePageState};
 
-/// Loads everything the builder needs around the draft: the profiles that can
-/// be picked, and — for whichever profile the table will belong to — the tables
-/// that are link targets and the names the new table may not reuse.
+/// Loads everything the builder needs around the draft: the column-type
+/// vocabulary, the profiles that can be picked, and — for whichever profile the
+/// table will belong to — the tables that are link targets and the names the
+/// new table may not reuse.
 ///
-/// The link targets and reserved names always come from the live profile tree,
-/// never from the posted form, so they cannot be spoofed by a crafted request.
+/// The vocabulary, link targets and reserved names always come from the live
+/// backend, never from the posted form, so they cannot be spoofed by a crafted
+/// request.
 pub(crate) async fn load_page(
     state: AppState,
     headers: &HeaderMap,
@@ -36,6 +38,19 @@ pub(crate) async fn load_page(
     }
 
     let mut definitions = state.definitions;
+    // What a column may be is the backend's to say; the picker and every rule
+    // the draft applies are read from this.
+    draft.columns.catalog = crate::schema::column_catalog(
+        definitions
+            .list_column_types(
+                authenticated_request(headers, Empty {}).map_err(|_| LoadError::Unauthenticated)?,
+            )
+            .await
+            .map_err(|error| LoadError::Backend(error.message().to_string()))?
+            .into_inner()
+            .column_types,
+    );
+
     let tree = definitions
         .get_profile_tree(
             authenticated_request(headers, Empty {}).map_err(|_| LoadError::Unauthenticated)?,