dataservices-api/client/renderer/templates/25_exception_safe_public_functions.erb
Rafa de la Torre 4cd72616ca Fix the no multi_row, no multi_field case #314
Fix for the `ERROR:  control reached end of function without RETURN` but
now need to implement for the two other cases.
2016-12-13 16:46:58 +01:00

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--
-- Exception-safe public DataServices API function
--
CREATE OR REPLACE FUNCTION <%= DATASERVICES_CLIENT_SCHEMA %>.<%= name %>_exception_safe (<%= params_with_type_and_default.join(' ,') %>)
RETURNS <%= return_type %> AS $$
DECLARE
<% if not multi_row %>ret <%= return_type %>;<% end %>
username text;
orgname text;
BEGIN
IF session_user = 'publicuser' OR session_user ~ 'cartodb_publicuser_*' THEN
RAISE EXCEPTION 'The api_key must be provided';
END IF;
SELECT u, o INTO username, orgname FROM <%= DATASERVICES_CLIENT_SCHEMA %>._cdb_entity_config() AS (u text, o text);
-- JSON value stored "" is taken as literal
IF username IS NULL OR username = '' OR username = '""' THEN
RAISE EXCEPTION 'Username is a mandatory argument, check it out';
END IF;
<% if multi_row %>
RETURN QUERY
SELECT * FROM <%= DATASERVICES_CLIENT_SCHEMA %>._<%= name %>(<%= ['username', 'orgname'].concat(params).join(', ') %>);
<% elsif multi_field %>
SELECT * FROM <%= DATASERVICES_CLIENT_SCHEMA %>._<%= name %>(<%= ['username', 'orgname'].concat(params).join(', ') %>) INTO ret;
RETURN ret;
<% else %>
BEGIN
SELECT <%= DATASERVICES_CLIENT_SCHEMA %>._<%= name %>(<%= ['username', 'orgname'].concat(params).join(', ') %>) INTO ret;
RETURN ret;
EXCEPTION
WHEN OTHERS THEN
RAISE WARNING 'whatever';
RETURN ret;
END;
<% end %>
END;
$$ LANGUAGE 'plpgsql' SECURITY DEFINER;