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package com.salesforce.phoenix.iterate;
import static com.salesforce.phoenix.query.QueryConstants.SINGLE_COLUMN;
import static com.salesforce.phoenix.query.QueryConstants.SINGLE_COLUMN_FAMILY;
import java.sql.SQLException;
import java.util.*;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Test;
import com.salesforce.phoenix.schema.tuple.SingleKeyValueTuple;
import com.salesforce.phoenix.schema.tuple.Tuple;
import com.salesforce.phoenix.util.AssertResults;
public class ConcatResultIteratorTest {
private final static byte[] A = Bytes.toBytes("a");
private final static byte[] B = Bytes.toBytes("b");
private final static byte[] C = Bytes.toBytes("c");
private final static byte[] D = Bytes.toBytes("d");
@Test
public void testConcat() throws Throwable {
Tuple[] results1 = new Tuple[] {
new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
};
Tuple[] results2 = new Tuple[] {
new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(2)))
};
Tuple[] results3 = new Tuple[] {
new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(3))),
new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(4))),
};
final List<PeekingResultIterator>results = Arrays.asList(new PeekingResultIterator[] {new MaterializedResultIterator(Arrays.asList(results1)), new MaterializedResultIterator(Arrays.asList(results2)), new MaterializedResultIterator(Arrays.asList(results3))});
ResultIterators iterators = new ResultIterators() {
@Override
public List<PeekingResultIterator> getIterators() throws SQLException {
return results;
}
@Override
public int size() {
return results.size();
}
@Override
public void explain(List<String> planSteps) {
}
};
Tuple[] expectedResults = new Tuple[] {
new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(2))),
new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(3))),
new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(4))),
};
ResultIterator scanner = new ConcatResultIterator(iterators);
AssertResults.assertResults(scanner, expectedResults);
}
@Test
public void testMergeSort() throws Throwable {
Tuple[] results1 = new Tuple[] {
new SingleKeyValueTuple(new KeyValue(C, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
};
Tuple[] results2 = new Tuple[] {
new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(2)))
};
Tuple[] results3 = new Tuple[] {
new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(3))),
new SingleKeyValueTuple(new KeyValue(D, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(4))),
};
final List<PeekingResultIterator>results = new ArrayList<PeekingResultIterator>(Arrays.asList(new PeekingResultIterator[] {new MaterializedResultIterator(Arrays.asList(results1)), new MaterializedResultIterator(Arrays.asList(results2)), new MaterializedResultIterator(Arrays.asList(results3))}));
Tuple[] expectedResults = new Tuple[] {
new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(3))),
new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(2))),
new SingleKeyValueTuple(new KeyValue(C, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
new SingleKeyValueTuple(new KeyValue(D, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(4))),
};
ResultIterators iterators = new ResultIterators() {
@Override
public List<PeekingResultIterator> getIterators() throws SQLException {
return results;
}
@Override
public int size() {
return results.size();
}
@Override
public void explain(List<String> planSteps) {
}
};
ResultIterator scanner = new MergeSortRowKeyResultIterator(iterators);
AssertResults.assertResults(scanner, expectedResults);
}
}