Merge pull request #80 from comnik/graphql_v2

Graphql v2

Author: comnik

Cargo.toml

@@ -14,10 +14,8 @@ keywords = ["differential", "dataflow",  "datalog", "graphql", "query"]
 license = "MIT"
 
 [dependencies]
-# timely = { version = "0.9.0", features = ["bincode"] }
-timely = { git = "https://github.com/TimelyDataflow/timely-dataflow", features = ["bincode"] }
-# differential-dataflow = { version = "0.9.0" }
-differential-dataflow = { git = "https://github.com/TimelyDataflow/differential-dataflow" }
+timely = { version = "0.10.0", features = ["bincode"] }
+differential-dataflow = { version = "0.10.0" }
 serde = "1"
 serde_derive = "1"
 log = "0.4"

rust-toolchain

@@ -1 +1 @@
-1.34.1
+1.36.0

src/domain/mod.rs

@@ -124,6 +124,7 @@ where
                 InputSemantics::CardinalityMany => pairs.as_collection().distinct(),
             };
 
+            // @TODO should only create this if used later
             let tuples_reverse = tuples.map(|(e, v)| (v, e));
 
             // Propose traces are used in general, whereas the other