add node and edge limits to graph info query

bricaud · Apr 15, 2020 · 20c76e5 · 20c76e5
1 parent adab60d
commit 20c76e5
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Showing 3 changed files with 7 additions and 4 deletions.
diff --git a/scripts/graphConf.js b/scripts/graphConf.js
@@ -13,6 +13,8 @@ const SINGLE_COMMANDS_AND_NO_VARS = false;
 const REST_TIMEOUT = 2000 
 // TODO: configuration for the secure server
 
+// limit number for graph info (avoid overwhelming the server for large graphs)
+const limit_request = 10000
 
 // Graph configuration
 const default_nb_of_layers = 3;

diff --git a/scripts/graphioGremlin.js b/scripts/graphioGremlin.js
@@ -53,10 +53,10 @@ var graphioGremlin = (function(){
 		}
 
 	function get_graph_info(){
-		var gremlin_query_nodes = "nodes = " + traversal_source + ".V().groupCount().by(label);"
-		var gremlin_query_edges = "edges = " + traversal_source + ".E().groupCount().by(label);"
-		var gremlin_query_nodes_prop = "nodesprop = " + traversal_source + ".V().valueMap().select(keys).groupCount();"
-		var gremlin_query_edges_prop = "edgesprop = " + traversal_source + ".E().valueMap().select(keys).groupCount();"
+		var gremlin_query_nodes = "nodes = " + traversal_source + ".V().limit(" + limit_request + ").groupCount().by(label);"
+		var gremlin_query_edges = "edges = " + traversal_source + ".E().limit(" + limit_request + ").groupCount().by(label);"
+		var gremlin_query_nodes_prop = "nodesprop = " + traversal_source + ".V().limit(" + limit_request + ").valueMap().select(keys).groupCount();"
+		var gremlin_query_edges_prop = "edgesprop = " + traversal_source + ".E().limit(" + limit_request + ").valueMap().select(keys).groupCount();"
 
 		var gremlin_query = gremlin_query_nodes+gremlin_query_nodes_prop
 			+gremlin_query_edges+gremlin_query_edges_prop

diff --git a/scripts/infobox.js b/scripts/infobox.js
@@ -31,6 +31,7 @@ var infobox = (function(){
 	function create(label_graph,label_graphElem){
         var graph_bar = d3.select(label_graph);
         graph_bar.append("h2").text("Graph Info");
+        graph_bar.append("h4").text("Limited to the first " + limit_request + " nodes and edges");
 		_table_Graphinfo = graph_bar.append("table").attr("id","tableGraph");
 		init_table(_table_Graphinfo,["Type","Count"]);