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Merged
shenyunlong merged 1 commit into from
Oct 16, 2024
Merged

FirstKeyValueMatchingQualifiersFilter #80

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29 changes: 29 additions & 0 deletions src/main/java/com/alipay/oceanbase/hbase/filter/HBaseFilterUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.Set;

@InterfaceAudience.Private
public class HBaseFilterUtils {
Expand All @@ -49,6 +50,8 @@ private static void toParseableByteArray(ByteArrayOutputStream byteStream, Filte
toParseableByteArray(byteStream, (PageFilter) filter);
} else if (filter instanceof ColumnCountGetFilter) {
toParseableByteArray(byteStream, (ColumnCountGetFilter) filter);
} else if (filter instanceof FirstKeyValueMatchingQualifiersFilter) {
toParseableByteArray(byteStream, (FirstKeyValueMatchingQualifiersFilter) filter);
} else if (filter instanceof PrefixFilter) {
toParseableByteArray(byteStream, (PrefixFilter) filter);
} else if (filter instanceof FilterList) {
Expand Down Expand Up @@ -243,6 +246,32 @@ private static void toParseableByteArray(ByteArrayOutputStream byteStream,
byteStream.write(')');
}

// FirstKeyValueMatchingQualifiersFilter('q1','q2')
private static void toParseableByteArray(ByteArrayOutputStream byteStream,
FirstKeyValueMatchingQualifiersFilter filter) throws IOException {
Set<byte[]> qualifiers;
try {
Field field = filter.getClass().getDeclaredField("qualifiers");
field.setAccessible(true);
qualifiers = (Set<byte[]>)field.get(filter);
} catch (NoSuchFieldException | IllegalAccessException e) {
throw new RuntimeException(e);
}
byteStream.write(filter.getClass().getSimpleName().getBytes());
byteStream.write('(');
int i = 0;
for (byte[] qualifier: qualifiers) {
byteStream.write("'".getBytes());
byteStream.write(qualifier);
byteStream.write("'".getBytes());
if (i < qualifiers.size() - 1) {
byteStream.write(',');
}
i++;
}
byteStream.write(')');
}

// PrefixFilter('prefix');
private static void toParseableByteArray(ByteArrayOutputStream byteStream, PrefixFilter filter)
throws IOException {
Expand Down
152 changes: 152 additions & 0 deletions src/test/java/com/alipay/oceanbase/hbase/HTableTestBase.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1124,6 +1124,158 @@ public void testFilter2() throws Exception {
scanner.close();
}

@Test
public void testFirstKeyValueMatchingQualifiersFilter() throws Exception {
String key1 = "getKey1";
String key2 = "getKey2";
String column1 = "c1";
String column2 = "c2";
String column3 = "c3";
String column4 = "c4";
String column5 = "c5";
String value1 = "value1";
String value2 = "value2";
String value3 = "value3";
String family = "family1";
Delete deleteKey1Family = new Delete(toBytes(key1));
deleteKey1Family.deleteFamily(toBytes(family));

Delete deleteKey2Family = new Delete(toBytes(key2));
deleteKey2Family.deleteFamily(toBytes(family));

hTable.delete(deleteKey1Family);
hTable.delete(deleteKey2Family);

Put putKey1Column1Value1 = new Put(toBytes(key1));
putKey1Column1Value1.add(toBytes(family), toBytes(column1), toBytes(value1));

Put putKey1Column1Value2 = new Put(toBytes(key1));
putKey1Column1Value2.add(toBytes(family), toBytes(column1), toBytes(value2));

Put putKey1Column2Value2 = new Put(toBytes(key1));
putKey1Column2Value2.add(toBytes(family), toBytes(column2), toBytes(value2));

Put putKey1Column2Value1 = new Put(toBytes(key1));
putKey1Column2Value1.add(toBytes(family), toBytes(column2), toBytes(value1));

Put putKey1Column3Value1 = new Put(toBytes(key1));
putKey1Column3Value1.add(toBytes(family), toBytes(column3), toBytes(value1));

Put putKey1Column4Value1 = new Put(toBytes(key1));
putKey1Column4Value1.add(toBytes(family), toBytes(column4), toBytes(value1));

Put putKey1Column5Value1 = new Put(toBytes(key1));
putKey1Column5Value1.add(toBytes(family), toBytes(column5), toBytes(value1));

Put putKey2Column1Value1 = new Put(toBytes(key2));
putKey2Column1Value1.add(toBytes(family), toBytes(column1), toBytes(value1));

Put putKey2Column1Value2 = new Put(toBytes(key2));
putKey2Column1Value2.add(toBytes(family), toBytes(column1), toBytes(value2));

Put putKey2Column2Value2 = new Put(toBytes(key2));
putKey2Column2Value2.add(toBytes(family), toBytes(column2), toBytes(value2));

Put putKey2Column2Value1 = new Put(toBytes(key2));
putKey2Column2Value1.add(toBytes(family), toBytes(column2), toBytes(value1));

hTable.delete(deleteKey1Family);
hTable.delete(deleteKey2Family);
tryPut(hTable, putKey1Column1Value1);
tryPut(hTable, putKey1Column1Value2);
tryPut(hTable, putKey1Column1Value1);
tryPut(hTable, putKey1Column2Value1);
tryPut(hTable, putKey1Column2Value2);
tryPut(hTable, putKey1Column2Value1);
tryPut(hTable, putKey1Column2Value2);
tryPut(hTable, putKey1Column3Value1);
tryPut(hTable, putKey1Column4Value1);
tryPut(hTable, putKey1Column5Value1);
tryPut(hTable, putKey2Column2Value1);
tryPut(hTable, putKey2Column2Value2);

Scan scan;
scan = new Scan();
scan.addFamily(family.getBytes());
scan.setMaxVersions(10);
TreeSet<byte []> qualifiers = new TreeSet<>(Bytes.BYTES_COMPARATOR);
qualifiers.add(Bytes.toBytes("c11"));
qualifiers.add(Bytes.toBytes("c2"));
FirstKeyValueMatchingQualifiersFilter filter = new FirstKeyValueMatchingQualifiersFilter(qualifiers);
scan.setFilter(filter);
ResultScanner scanner = hTable.getScanner(scan);

int res_count = 0;
for (Result result : scanner) {
for (KeyValue keyValue : result.raw()) {
System.out.printf("Rowkey: %s, Column Family: %s, Column Qualifier: %s, Timestamp: %d, Value: %s%n",
Bytes.toString(result.getRow()),
Bytes.toString(keyValue.getFamily()),
Bytes.toString(keyValue.getQualifier()),
keyValue.getTimestamp(),
Bytes.toString(keyValue.getValue())
);
res_count += 1;
}
}
Assert.assertEquals(res_count, 5);
scanner.close();

scan = new Scan();
scan.addFamily(family.getBytes());
scan.setMaxVersions(10);
scan.setReversed(true);
qualifiers = new TreeSet<>(Bytes.BYTES_COMPARATOR);
qualifiers.add(Bytes.toBytes("c22"));
qualifiers.add(Bytes.toBytes("c4"));
filter = new FirstKeyValueMatchingQualifiersFilter(qualifiers);
scan.setFilter(filter);
scanner = hTable.getScanner(scan);

res_count = 0;
for (Result result : scanner) {
for (KeyValue keyValue : result.raw()) {
System.out.printf("Rowkey: %s, Column Family: %s, Column Qualifier: %s, Timestamp: %d, Value: %s%n",
Bytes.toString(result.getRow()),
Bytes.toString(keyValue.getFamily()),
Bytes.toString(keyValue.getQualifier()),
keyValue.getTimestamp(),
Bytes.toString(keyValue.getValue())
);
res_count += 1;
}
}
Assert.assertEquals(res_count, 11);
scanner.close();

scan = new Scan();
scan.addFamily(family.getBytes());
scan.setMaxVersions(10);
scan.setReversed(true);
qualifiers = new TreeSet<>(Bytes.BYTES_COMPARATOR);
qualifiers.add(Bytes.toBytes("c22"));
qualifiers.add(Bytes.toBytes("a"));
filter = new FirstKeyValueMatchingQualifiersFilter(qualifiers);
scan.setFilter(filter);
scanner = hTable.getScanner(scan);

res_count = 0;
for (Result result : scanner) {
for (KeyValue keyValue : result.raw()) {
System.out.printf("Rowkey: %s, Column Family: %s, Column Qualifier: %s, Timestamp: %d, Value: %s%n",
Bytes.toString(result.getRow()),
Bytes.toString(keyValue.getFamily()),
Bytes.toString(keyValue.getQualifier()),
keyValue.getTimestamp(),
Bytes.toString(keyValue.getValue())
);
res_count += 1;
}
}
Assert.assertEquals(res_count, 12);
scanner.close();
}

@Test
public void testGetFilter() throws Exception {
String key1 = "getKey1";
Expand Down
11 changes: 11 additions & 0 deletions src/test/java/com/alipay/oceanbase/hbase/filter/HBaseFilterUtilsTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import org.junit.Test;

import java.io.IOException;
import java.util.TreeSet;

public class HBaseFilterUtilsTest {
private static final CompareFilter.CompareOp[] ops = { CompareFilter.CompareOp.LESS,
Expand Down Expand Up @@ -166,6 +167,16 @@ public void testColumnCountGetFilter() throws IOException {
HBaseFilterUtils.toParseableByteArray(filter));
}

@Test
public void testFirstKeyValueMatchingQualifiersFilter() throws IOException {
TreeSet<byte []> qualifiers = new TreeSet<>(Bytes.BYTES_COMPARATOR);
qualifiers.add(Bytes.toBytes("q1"));
qualifiers.add(Bytes.toBytes("q2"));
FirstKeyValueMatchingQualifiersFilter filter = new FirstKeyValueMatchingQualifiersFilter(qualifiers);
Assert.assertArrayEquals("FirstKeyValueMatchingQualifiersFilter('q1','q2')".getBytes(),
HBaseFilterUtils.toParseableByteArray(filter));
}

@Test
public void testPrefixFilter() throws IOException {
PrefixFilter filter = new PrefixFilter("prefix".getBytes());
Expand Down