GDV-72: [Java] Support null literals

add java bindings for null literals
praveenbingo · Jun 27, 2018 · 45ad498 · 45ad498
1 parent 899f880
commit 45ad498
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/cpp/src/gandiva/src/jni/native_builder.cc b/cpp/src/gandiva/src/jni/native_builder.cc
@@ -257,6 +257,16 @@ NodePtr ProtoTypeToOrNode(const types::OrNode& node) {
  return TreeExprBuilder::MakeOr(children);
 }
 
+NodePtr ProtoTypeToNullNode(const types::NullNode& node) {
+ DataTypePtr data_type = ProtoTypeToDataType(node.type());
+ if (data_type == nullptr) {
+ std::cerr << "Unknown type " << data_type->ToString() << " for null node\n";
+ return nullptr;
+ }
+
+ return TreeExprBuilder::MakeNull(data_type);
+}
+
 NodePtr ProtoTypeToNode(const types::TreeNode& node) {
  if (node.has_fieldnode()) {
  return ProtoTypeToFieldNode(node.fieldnode());
@@ -278,6 +288,10 @@ NodePtr ProtoTypeToNode(const types::TreeNode& node) {
  return ProtoTypeToOrNode(node.ornode());
  }
 
+ if (node.has_nullnode()) {
+ return ProtoTypeToNullNode(node.nullnode());
+ }
+
  if (node.has_intnode()) {
  return TreeExprBuilder::MakeLiteral(node.intnode().value());
  }