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80 changes: 0 additions & 80 deletions
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fe/fe-core/src/main/java/org/apache/doris/service/arrowflight/FlightSqlChannel.java
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120 changes: 120 additions & 0 deletions
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fe/fe-core/src/main/java/org/apache/doris/service/arrowflight/results/FlightSqlChannel.java
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| // 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.doris.service.arrowflight.results; | ||
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| import org.apache.doris.catalog.Column; | ||
| import org.apache.doris.common.FeConstants; | ||
| import org.apache.doris.qe.ResultSet; | ||
| import org.apache.doris.qe.ResultSetMetaData; | ||
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| import com.google.common.cache.Cache; | ||
| import com.google.common.cache.CacheBuilder; | ||
| import com.google.common.cache.RemovalListener; | ||
| import com.google.common.cache.RemovalNotification; | ||
| import org.apache.arrow.memory.BufferAllocator; | ||
| import org.apache.arrow.memory.RootAllocator; | ||
| import org.apache.arrow.util.AutoCloseables; | ||
| import org.apache.arrow.vector.FieldVector; | ||
| import org.apache.arrow.vector.VarCharVector; | ||
| import org.apache.arrow.vector.VectorSchemaRoot; | ||
| import org.apache.arrow.vector.types.pojo.ArrowType.Utf8; | ||
| import org.apache.arrow.vector.types.pojo.Field; | ||
| import org.apache.arrow.vector.types.pojo.FieldType; | ||
| import org.apache.arrow.vector.types.pojo.Schema; | ||
| import org.jetbrains.annotations.NotNull; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.TimeUnit; | ||
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| public class FlightSqlChannel { | ||
| private final Cache<String, FlightSqlResultCacheEntry> resultCache; | ||
| private final BufferAllocator allocator; | ||
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| public FlightSqlChannel() { | ||
| resultCache = | ||
| CacheBuilder.newBuilder() | ||
| .maximumSize(100) | ||
| .expireAfterWrite(10, TimeUnit.MINUTES) | ||
| .removalListener(new ResultRemovalListener()) | ||
| .build(); | ||
| allocator = new RootAllocator(Long.MAX_VALUE); | ||
| } | ||
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| // TODO | ||
| public String getRemoteIp() { | ||
| return "0.0.0.0"; | ||
| } | ||
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| // TODO | ||
| public String getRemoteHostPortString() { | ||
| return "0.0.0.0:0"; | ||
| } | ||
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| public void addResultSet(String queryId, String runningQuery, ResultSet resultSet) { | ||
| List<Field> schemaFields = new ArrayList<>(); | ||
| List<FieldVector> dataFields = new ArrayList<>(); | ||
| List<List<String>> resultData = resultSet.getResultRows(); | ||
| ResultSetMetaData metaData = resultSet.getMetaData(); | ||
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| // TODO: only support varchar type | ||
| for (Column col : metaData.getColumns()) { | ||
| schemaFields.add(new Field(col.getName(), FieldType.nullable(new Utf8()), null)); | ||
| VarCharVector varCharVector = new VarCharVector(col.getName(), allocator); | ||
| varCharVector.allocateNew(); | ||
| varCharVector.setValueCount(resultData.size()); | ||
| dataFields.add(varCharVector); | ||
| } | ||
| Schema schema = new Schema(schemaFields); | ||
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| for (int i = 0; i < resultData.size(); i++) { | ||
| List<String> row = resultData.get(i); | ||
| for (int j = 0; j < row.size(); j++) { | ||
| String item = row.get(j); | ||
| if (item == null || item.equals(FeConstants.null_string)) { | ||
| dataFields.get(j).setNull(i); | ||
| } else { | ||
| ((VarCharVector) dataFields.get(j)).setSafe(i, item.getBytes()); | ||
| } | ||
| } | ||
| } | ||
| VectorSchemaRoot vectorSchemaRoot = new VectorSchemaRoot(schemaFields, dataFields); | ||
| final FlightSqlResultCacheEntry flightSqlResultCacheEntry = new FlightSqlResultCacheEntry(vectorSchemaRoot, | ||
| runningQuery); | ||
| resultCache.put(queryId, flightSqlResultCacheEntry); | ||
| } | ||
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| public FlightSqlResultCacheEntry getResultSet(String queryId) { | ||
| return resultCache.getIfPresent(queryId); | ||
| } | ||
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| public void invalidate(String handle) { | ||
| resultCache.invalidate(handle); | ||
| } | ||
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| private static class ResultRemovalListener implements RemovalListener<String, FlightSqlResultCacheEntry> { | ||
| @Override | ||
| public void onRemoval(@NotNull final RemovalNotification<String, FlightSqlResultCacheEntry> notification) { | ||
| try { | ||
| AutoCloseables.close(notification.getValue()); | ||
| } catch (final Exception e) { | ||
| // swallow | ||
| } | ||
| } | ||
| } | ||
| } |
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