xxlaykxx commented on code in PR #726:
URL: https://github.com/apache/arrow-java/pull/726#discussion_r2164297997
##########
vector/src/test/java/org/apache/arrow/vector/complex/writer/TestComplexWriter.java:
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@@ -2489,4 +2494,35 @@ public void unionWithVarCharAndBinaryHelpers() throws
Exception {
"row12", new String(vector.getLargeVarBinaryVector().get(11),
StandardCharsets.UTF_8));
}
}
+
+ @Test
+ public void extensionWriterReader() throws Exception {
+ // test values
+ UUID u1 = UUID.randomUUID();
+
+ try (NonNullableStructVector parent =
NonNullableStructVector.empty("parent", allocator)) {
+ // write
+
+ ComplexWriter writer = new ComplexWriterImpl("root", parent);
+ StructWriter rootWriter = writer.rootAsStruct();
+
+ {
+ ExtensionWriter extensionWriter = rootWriter.extension("uuid1", new
UuidType());
+ extensionWriter.setPosition(0);
+ extensionWriter.addExtensionTypeWriterFactory(new UuidWriterFactory());
+ extensionWriter.writeExtension(u1);
+ }
+ // read
+ StructReader rootReader = new
SingleStructReaderImpl(parent).reader("root");
+ {
+ FieldReader uuidReader = rootReader.reader("uuid1");
+ uuidReader.setPosition(0);
+ UuidHolder uuidHolder = new UuidHolder();
+ uuidReader.read(uuidHolder);
Review Comment:
added tests with read and copyAsValue usage.
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