Support title/description for canned queries, closes #342

Demo here: https://latest.datasette.io/fixtures/neighborhood_search

datasette/views/base.py

@@ -433,7 +433,7 @@ class BaseView(RenderMixin):
 
     async def custom_sql(
         self, request, name, hash, sql, editable=True, canned_query=None,
-        _size=None
+        metadata=None, _size=None
     ):
         params = request.raw_args
         if "sql" in params:
@@ -483,6 +483,7 @@ class BaseView(RenderMixin):
             "named_parameter_values": named_parameter_values,
             "editable": editable,
             "canned_query": canned_query,
+            "metadata": metadata,
             "config": self.ds.config,
         }, templates
 

datasette/views/database.py

@@ -27,10 +27,7 @@ class DatabaseView(BaseView):
             "tables": tables,
             "hidden_count": len([t for t in tables if t["hidden"]]),
             "views": info["views"],
-            "queries": [
-                {"name": query_name, "sql": query_sql}
-                for query_name, query_sql in (metadata.get("queries") or {}).items()
-            ],
+            "queries": self.ds.get_canned_queries(name),
         }, {
             "database_hash": hash,
             "show_hidden": request.args.get("_show_hidden"),

datasette/views/table.py

@@ -232,6 +232,7 @@ class TableView(RowTableShared):
                 name,
                 hash,
                 canned_query["sql"],
+                metadata=canned_query,
                 editable=False,
                 canned_query=table,
             )