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[flink] support lookup on lsm tree directly
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115 changes: 115 additions & 0 deletions
115
...on-flink-common/src/main/java/org/apache/paimon/flink/lookup/FixedBucketKeyExtractor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.paimon.flink.lookup; | ||
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| import org.apache.paimon.CoreOptions; | ||
| import org.apache.paimon.codegen.CodeGenUtils; | ||
| import org.apache.paimon.codegen.Projection; | ||
| import org.apache.paimon.data.BinaryRow; | ||
| import org.apache.paimon.data.InternalRow; | ||
| import org.apache.paimon.schema.TableSchema; | ||
| import org.apache.paimon.table.sink.KeyAndBucketExtractor; | ||
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| import static org.apache.paimon.utils.Preconditions.checkArgument; | ||
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| /** Extractor to extract bucket from the primary key. */ | ||
| public class FixedBucketKeyExtractor implements KeyAndBucketExtractor<InternalRow> { | ||
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| private transient InternalRow primaryKey; | ||
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| private BinaryRow bucketKey; | ||
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| private final boolean sameBucketKeyAndTrimmedPrimaryKey; | ||
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| private final int numBuckets; | ||
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| private final Projection bucketKeyProjection; | ||
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| private final Projection trimmedPrimaryKeyProjection; | ||
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| private final Projection partitionProjection; | ||
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| private final Projection logPrimaryKeyProjection; | ||
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| public FixedBucketKeyExtractor(TableSchema schema) { | ||
| this.numBuckets = new CoreOptions(schema.options()).bucket(); | ||
| checkArgument(numBuckets > 0, "Num bucket is illegal: " + numBuckets); | ||
| this.sameBucketKeyAndTrimmedPrimaryKey = | ||
| schema.bucketKeys().equals(schema.trimmedPrimaryKeys()); | ||
| this.bucketKeyProjection = | ||
| CodeGenUtils.newProjection( | ||
| schema.logicalPrimaryKeysType(), | ||
| schema.bucketKeys().stream() | ||
| .mapToInt(schema.primaryKeys()::indexOf) | ||
| .toArray()); | ||
| this.trimmedPrimaryKeyProjection = | ||
| CodeGenUtils.newProjection( | ||
| schema.logicalPrimaryKeysType(), | ||
| schema.trimmedPrimaryKeys().stream() | ||
| .mapToInt(schema.primaryKeys()::indexOf) | ||
| .toArray()); | ||
| this.partitionProjection = | ||
| CodeGenUtils.newProjection( | ||
| schema.logicalPrimaryKeysType(), | ||
| schema.partitionKeys().stream() | ||
| .mapToInt(schema.primaryKeys()::indexOf) | ||
| .toArray()); | ||
| this.logPrimaryKeyProjection = | ||
| CodeGenUtils.newProjection( | ||
| schema.logicalRowType(), schema.projection(schema.primaryKeys())); | ||
| } | ||
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| @Override | ||
| public void setRecord(InternalRow record) { | ||
| this.primaryKey = record; | ||
| } | ||
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| @Override | ||
| public BinaryRow partition() { | ||
| return partitionProjection.apply(primaryKey); | ||
| } | ||
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| private BinaryRow bucketKey() { | ||
| if (sameBucketKeyAndTrimmedPrimaryKey) { | ||
| return trimmedPrimaryKey(); | ||
| } | ||
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| if (bucketKey == null) { | ||
| bucketKey = bucketKeyProjection.apply(primaryKey); | ||
| } | ||
| return bucketKey; | ||
| } | ||
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| @Override | ||
| public int bucket() { | ||
| BinaryRow bucketKey = bucketKey(); | ||
| return KeyAndBucketExtractor.bucket( | ||
| KeyAndBucketExtractor.bucketKeyHashCode(bucketKey), numBuckets); | ||
| } | ||
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| @Override | ||
| public BinaryRow trimmedPrimaryKey() { | ||
| return trimmedPrimaryKeyProjection.apply(primaryKey); | ||
| } | ||
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| @Override | ||
| public BinaryRow logPrimaryKey() { | ||
| return logPrimaryKeyProjection.apply(primaryKey); | ||
| } | ||
| } |
50 changes: 50 additions & 0 deletions
50
...aimon-flink-common/src/main/java/org/apache/paimon/flink/lookup/FullCacheLookupTable.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
|
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| package org.apache.paimon.flink.lookup; | ||
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| import org.apache.paimon.data.InternalRow; | ||
| import org.apache.paimon.lookup.BulkLoader; | ||
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| import java.io.IOException; | ||
| import java.util.Iterator; | ||
| import java.util.function.Predicate; | ||
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| /** Lookup table of full cache. */ | ||
| public interface FullCacheLookupTable extends LookupTable { | ||
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| void refresh(Iterator<InternalRow> input, boolean orderByLastField) throws IOException; | ||
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| Predicate<InternalRow> recordFilter(); | ||
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| byte[] toKeyBytes(InternalRow row) throws IOException; | ||
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| byte[] toValueBytes(InternalRow row) throws IOException; | ||
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| TableBulkLoader createBulkLoader(); | ||
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| /** Bulk loader for the table. */ | ||
| interface TableBulkLoader { | ||
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| void write(byte[] key, byte[] value) throws BulkLoader.WriteException, IOException; | ||
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| void finish() throws IOException; | ||
| } | ||
| } |
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