tianchen92 commented on a change in pull request #7231:
URL: https://github.com/apache/arrow/pull/7231#discussion_r429044815
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File path:
java/vector/src/test/java/org/apache/arrow/vector/ipc/TestArrowReaderWriter.java
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@@ -751,4 +753,52 @@ public void testChannelReadFullyEos() throws IOException {
assertEquals(10, arrBuf.getInt(0));
}
}
+
+ @Test
+ public void testCustomMetaData() throws IOException {
+ DictionaryProvider.MapDictionaryProvider provider = new
DictionaryProvider.MapDictionaryProvider();
+ provider.put(dictionary1);
+
+ VarCharVector vector1 = newVarCharVector("varchar1", allocator);
+ vector1.allocateNewSafe();
+ vector1.set(0, "foo".getBytes(StandardCharsets.UTF_8));
+ vector1.set(1, "bar".getBytes(StandardCharsets.UTF_8));
+ vector1.set(3, "baz".getBytes(StandardCharsets.UTF_8));
+ vector1.set(4, "bar".getBytes(StandardCharsets.UTF_8));
+ vector1.set(5, "baz".getBytes(StandardCharsets.UTF_8));
+ vector1.setValueCount(6);
+ FieldVector encodedVector1 = (FieldVector)
DictionaryEncoder.encode(vector1, dictionary1);
Review comment:
>is dictionary encoding really necessary for this test?
Not necessary, removed, thanks.
>Can you use the VectorPopulator is any data is actually needed?
Hmm, always forget this, fixed.
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