Repository: arrow Updated Branches: refs/heads/master 7fdbcc606 -> 86154f0be
ARROW-1340: [Java] Fix NullableMapVector field metadata Author: Emilio Lahr-Vivaz <elahrvi...@ccri.com> Closes #953 from elahrvivaz/ARROW-1340 and squashes the following commits: a307779e [Emilio Lahr-Vivaz] ARROW-1340: [Java] Fix NullableMapVector field metadata Project: http://git-wip-us.apache.org/repos/asf/arrow/repo Commit: http://git-wip-us.apache.org/repos/asf/arrow/commit/86154f0b Tree: http://git-wip-us.apache.org/repos/asf/arrow/tree/86154f0b Diff: http://git-wip-us.apache.org/repos/asf/arrow/diff/86154f0b Branch: refs/heads/master Commit: 86154f0be3fbafcd27716f3b3f7058c31242a52f Parents: 7fdbcc6 Author: Emilio Lahr-Vivaz <elahrvi...@ccri.com> Authored: Wed Aug 9 09:11:52 2017 -0400 Committer: Wes McKinney <wes.mckin...@twosigma.com> Committed: Wed Aug 9 09:11:52 2017 -0400 ---------------------------------------------------------------------- .../arrow/vector/complex/NullableMapVector.java | 3 +- .../org/apache/arrow/vector/TestMapVector.java | 57 ++++++++++++++++++++ 2 files changed, 59 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/arrow/blob/86154f0b/java/vector/src/main/java/org/apache/arrow/vector/complex/NullableMapVector.java ---------------------------------------------------------------------- diff --git a/java/vector/src/main/java/org/apache/arrow/vector/complex/NullableMapVector.java b/java/vector/src/main/java/org/apache/arrow/vector/complex/NullableMapVector.java index e70a915..fda9c14 100644 --- a/java/vector/src/main/java/org/apache/arrow/vector/complex/NullableMapVector.java +++ b/java/vector/src/main/java/org/apache/arrow/vector/complex/NullableMapVector.java @@ -86,7 +86,8 @@ public class NullableMapVector extends MapVector implements FieldVector { @Override public Field getField() { Field f = super.getField(); - return new Field(f.getName(), true, f.getType(), f.getChildren()); + FieldType type = new FieldType(true, f.getType(), f.getFieldType().getDictionary(), f.getFieldType().getMetadata()); + return new Field(f.getName(), type, f.getChildren()); } @Override http://git-wip-us.apache.org/repos/asf/arrow/blob/86154f0b/java/vector/src/test/java/org/apache/arrow/vector/TestMapVector.java ---------------------------------------------------------------------- diff --git a/java/vector/src/test/java/org/apache/arrow/vector/TestMapVector.java b/java/vector/src/test/java/org/apache/arrow/vector/TestMapVector.java new file mode 100644 index 0000000..357df96 --- /dev/null +++ b/java/vector/src/test/java/org/apache/arrow/vector/TestMapVector.java @@ -0,0 +1,57 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.arrow.vector; + +import java.util.HashMap; +import java.util.Map; + +import org.apache.arrow.memory.BufferAllocator; +import org.apache.arrow.vector.complex.NullableMapVector; +import org.apache.arrow.vector.types.pojo.ArrowType.Struct; +import org.apache.arrow.vector.types.pojo.FieldType; +import org.junit.After; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; + + +public class TestMapVector { + + private BufferAllocator allocator; + + @Before + public void init() { + allocator = new DirtyRootAllocator(Long.MAX_VALUE, (byte) 100); + } + + @After + public void terminate() throws Exception { + allocator.close(); + } + + @Test + public void testFieldMetadata() throws Exception { + Map<String, String> metadata = new HashMap<>(); + metadata.put("k1", "v1"); + FieldType type = new FieldType(true, Struct.INSTANCE, null, metadata); + try (NullableMapVector vector = new NullableMapVector("map", allocator, type, null)) { + Assert.assertEquals(vector.getField().getMetadata(), type.getMetadata()); + } + } +}