add vector support

src/main/proto/api.proto

@@ -175,6 +175,8 @@ message Value {
 		bytes datetime_val = 9;
 		string password_val = 10;
 		uint64 uid_val=11;
+		// number 12 is reserved for bigfloat
+		bytes vfloat32_val=13;
 	}
 }
 

src/test/java/io/dgraph/ExceptionTest.java

@@ -1,7 +1,9 @@
 package io.dgraph;
 
+import com.google.protobuf.ByteString;
 import io.dgraph.DgraphProto.Mutation;
 import io.dgraph.DgraphProto.NQuad;
+import io.dgraph.DgraphProto.Response;
 import io.dgraph.DgraphProto.Value;
 import org.testng.annotations.Test;
 
@@ -37,4 +39,42 @@ public void testReadOnlyException() {
     Transaction txn = dgraphClient.newReadOnlyTransaction();
     txn.mutate(mu);
   }
+
+  @Test
+  public void testVectorSupport() {
+    String vect = "[1, 2, 3, 4, 5]";
+    NQuad quad1 =
+        NQuad.newBuilder()
+            .setSubject("0x1000")
+            .setPredicate("productV")
+            .setObjectValue(
+                Value.newBuilder().setVfloat32Val(ByteString.copyFromUtf8(vect)).build())
+            .build();
+
+    System.out.println("quad1: " + quad1.toString());
+    Mutation mu1 = Mutation.newBuilder().addSet(quad1).build();
+    Transaction txn = dgraphClient.newTransaction();
+    Response response1 = txn.mutate(mu1);
+    System.out.printf("response:---------------------------> " + response1.toString());
+    try {
+      txn.commit();
+    } catch (Exception e) {
+      System.out.printf("response------------exe: " + e.toString());
+    }
+
+    String query =
+        "{\n" + "  q(func: has(productV)) {\n" + "    uid\n" + "    productV\n" + "  }\n" + "}";
+
+    // Create a transaction
+    Transaction txn1 = dgraphClient.newTransaction();
+    try {
+      // Run the query
+      DgraphProto.Response response = txn1.query(query);
+
+      // Print the response JSON
+      System.out.println(response.getJson().toStringUtf8());
+    } catch (Exception e) {
+      System.out.println(e.toString());
+    }
+  }
 }