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Support procedure
expire_snapshots for iceberg
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107 changes: 107 additions & 0 deletions
107
...iceberg/src/main/java/com/facebook/presto/iceberg/procedure/ExpireSnapshotsProcedure.java
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| @@ -0,0 +1,107 @@ | ||
| /* | ||
| * Licensed 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. | ||
| */ | ||
| package com.facebook.presto.iceberg.procedure; | ||
|
|
||
| import com.facebook.presto.common.type.SqlTimestamp; | ||
| import com.facebook.presto.iceberg.IcebergAbstractMetadata; | ||
| import com.facebook.presto.iceberg.IcebergMetadataFactory; | ||
| import com.facebook.presto.iceberg.IcebergUtil; | ||
| import com.facebook.presto.spi.ConnectorSession; | ||
| import com.facebook.presto.spi.SchemaTableName; | ||
| import com.facebook.presto.spi.classloader.ThreadContextClassLoader; | ||
| import com.facebook.presto.spi.procedure.Procedure; | ||
| import com.google.common.collect.ImmutableList; | ||
| import org.apache.iceberg.ExpireSnapshots; | ||
| import org.apache.iceberg.Table; | ||
|
|
||
| import javax.inject.Inject; | ||
| import javax.inject.Provider; | ||
|
|
||
| import java.lang.invoke.MethodHandle; | ||
| import java.util.List; | ||
|
|
||
| import static com.facebook.presto.common.block.MethodHandleUtil.methodHandle; | ||
| import static com.facebook.presto.common.type.StandardTypes.INTEGER; | ||
| import static com.facebook.presto.common.type.StandardTypes.TIMESTAMP; | ||
| import static com.facebook.presto.common.type.StandardTypes.VARCHAR; | ||
| import static java.util.Objects.requireNonNull; | ||
|
|
||
| public class ExpireSnapshotsProcedure | ||
| implements Provider<Procedure> | ||
| { | ||
| private static final MethodHandle EXPIRE_SNAPSHOTS = methodHandle( | ||
| ExpireSnapshotsProcedure.class, | ||
| "expireSnapshots", | ||
| ConnectorSession.class, | ||
| String.class, | ||
| String.class, | ||
| SqlTimestamp.class, | ||
| Integer.class, | ||
| List.class); | ||
| private final IcebergMetadataFactory metadataFactory; | ||
|
|
||
| @Inject | ||
| public ExpireSnapshotsProcedure(IcebergMetadataFactory metadataFactory) | ||
| { | ||
| this.metadataFactory = requireNonNull(metadataFactory, "metadataFactory is null"); | ||
| } | ||
|
|
||
| @Override | ||
| public Procedure get() | ||
| { | ||
| return new Procedure( | ||
| "system", | ||
| "expire_snapshots", | ||
| ImmutableList.of( | ||
| new Procedure.Argument("schema", VARCHAR), | ||
| new Procedure.Argument("table_name", VARCHAR), | ||
| new Procedure.Argument("older_than", TIMESTAMP, false, null), | ||
| new Procedure.Argument("retain_last", INTEGER, false, null), | ||
| new Procedure.Argument("snapshot_ids", "array(bigint)", false, null)), | ||
| EXPIRE_SNAPSHOTS.bindTo(this)); | ||
| } | ||
|
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| public void expireSnapshots(ConnectorSession clientSession, String schema, String tableName, SqlTimestamp olderThan, Integer retainLast, List<Long> snapshotIds) | ||
| { | ||
| try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(getClass().getClassLoader())) { | ||
| doExpireSnapshots(clientSession, schema, tableName, olderThan, retainLast, snapshotIds); | ||
| } | ||
| } | ||
|
|
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| private void doExpireSnapshots(ConnectorSession clientSession, String schema, String tableName, SqlTimestamp olderThan, Integer retainLast, List<Long> snapshotIds) | ||
| { | ||
| IcebergAbstractMetadata metadata = (IcebergAbstractMetadata) metadataFactory.create(); | ||
| SchemaTableName schemaTableName = new SchemaTableName(schema, tableName); | ||
| Table icebergTable = IcebergUtil.getIcebergTable(metadata, clientSession, schemaTableName); | ||
|
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| ExpireSnapshots expireSnapshots = icebergTable.expireSnapshots(); | ||
|
|
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| if (snapshotIds != null) { | ||
| for (long id : snapshotIds) { | ||
| expireSnapshots = expireSnapshots.expireSnapshotId(id); | ||
| } | ||
| } | ||
|
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| if (olderThan != null) { | ||
| expireSnapshots = expireSnapshots.expireOlderThan(olderThan.isLegacyTimestamp() ? olderThan.getMillisUtc() : olderThan.getMillis()); | ||
| } | ||
|
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| if (retainLast != null) { | ||
| expireSnapshots = expireSnapshots.retainLast(retainLast); | ||
| } | ||
|
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| expireSnapshots.cleanExpiredFiles(true) | ||
| .commit(); | ||
| } | ||
| } |
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