{"id": "changelog:new-features", "page": "changelog", "ref": "new-features", "title": "New features", "content": "If an error occurs while executing a user-provided SQL query, that query is now re-displayed in an editable form along with the error message. ( #619 ) \n                     \n                     \n                         New  ?_col=  and  ?_nocol=  parameters to show and hide columns in a table, plus an interface for hiding and showing columns in the column cog menu. ( #615 ) \n                     \n                     \n                         A new  ?_facet_size=  parameter for customizing the number of facet results returned on a table or view page. ( #1332 ) \n                     \n                     \n                         ?_facet_size=max  sets that to the maximum, which defaults to 1,000 and is controlled by the the  max_returned_rows  setting. If facet results are truncated the \u2026 at the bottom of the facet list now links to this parameter. ( #1337 ) \n                     \n                     \n                         ?_nofacet=1  option to disable all facet calculations on a page, used as a performance optimization for CSV exports and  ?_shape=array/object . ( #1349 ,  #263 ) \n                     \n                     \n                         ?_nocount=1  option to disable full query result counts. ( #1353 ) \n                     \n                     \n                         ?_trace=1  debugging option is now controlled by the new  trace_debug  setting, which is turned off by default. ( #1359 )", "breadcrumbs": "[\"Changelog\", \"0.57 (2021-06-05)\"]", "references": "[{\"href\": \"https://github.com/simonw/datasette/issues/619\", \"label\": \"#619\"}, {\"href\": \"https://github.com/simonw/datasette/issues/615\", \"label\": \"#615\"}, {\"href\": \"https://github.com/simonw/datasette/issues/1332\", \"label\": \"#1332\"}, {\"href\": \"https://github.com/simonw/datasette/issues/1337\", \"label\": \"#1337\"}, {\"href\": \"https://github.com/simonw/datasette/issues/1349\", \"label\": \"#1349\"}, {\"href\": \"https://github.com/simonw/datasette/issues/263\", \"label\": \"#263\"}, {\"href\": \"https://github.com/simonw/datasette/issues/1353\", \"label\": \"#1353\"}, {\"href\": \"https://github.com/simonw/datasette/issues/1359\", \"label\": \"#1359\"}]"}