Renamed ?_sql_time_limit_ms= to ?_timelimit, closes #242

datasette/app.py

@@ -358,8 +358,8 @@ class BaseView(RenderMixin):
                 params[named_parameter] = ''
 
         extra_args = {}
-        if params.get('_sql_time_limit_ms'):
-            extra_args['custom_time_limit'] = int(params['_sql_time_limit_ms'])
+        if params.get('_timelimit'):
+            extra_args['custom_time_limit'] = int(params['_timelimit'])
         rows, truncated, description = await self.execute(
             name, sql, params, truncate=True, **extra_args
         )
@@ -894,8 +894,8 @@ class TableView(RowTableShared):
             offset=offset,
         )
 
-        if request.raw_args.get('_sql_time_limit_ms'):
-            extra_args['custom_time_limit'] = int(request.raw_args['_sql_time_limit_ms'])
+        if request.raw_args.get('_timelimit'):
+            extra_args['custom_time_limit'] = int(request.raw_args['_timelimit'])
 
         rows, truncated, description = await self.execute(
             name, sql, params, truncate=True, **extra_args

docs/json_api.rst

@@ -154,7 +154,7 @@ The Datasette table view takes a number of special querystring arguments:
     You can pass multiple ``_group_count`` columns to return counts against
     unique combinations of those columns.
 
-``?_sql_time_limit_ms=MS``
+``?_timelimit=MS``
     Sets a custom time limit for the query in ms. You can use this for optimistic
     queries where you would like Datasette to give up if the query takes too
     long, for example if you want to implement autocomplete search but only if

docs/sql_queries.rst

@@ -62,9 +62,9 @@ If this time limit is too short for you, you can customize it using the
     datasette mydatabase.db --sql_time_limit_ms=3500
 
 You can optionally set a lower time limit for an individual query using the
-``_sql_time_limit_ms`` query string argument::
+``_timelimit`` query string argument::
 
-    /my-database/my-table?qSpecies=44&_sql_time_limit_ms=100
+    /my-database/my-table?qSpecies=44&_timelimit=100
 
 This would set the time limit to 100ms for that specific query. This feature
 is useful if you are working with databases of unknown size and complexity -

tests/test_api.py

@@ -269,7 +269,7 @@ def test_custom_sql_time_limit(app_client):
     )
     assert 200 == response.status
     response = app_client.get(
-        '/test_tables.json?sql=select+sleep(0.01)&_sql_time_limit_ms=5',
+        '/test_tables.json?sql=select+sleep(0.01)&_timelimit=5',
         gather_request=False
     )
     assert 400 == response.status