richardstartin commented on a change in pull request #7885: URL: https://github.com/apache/pinot/pull/7885#discussion_r766013317
########## File path: pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/creator/impl/DefaultIndexCreatorProvider.java ########## @@ -0,0 +1,249 @@ +/** + * 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. + */ +package org.apache.pinot.segment.local.segment.creator.impl; + +import com.google.common.base.Preconditions; +import java.io.File; +import java.io.IOException; +import java.util.Map; +import java.util.Objects; +import org.apache.pinot.segment.local.io.writer.impl.BaseChunkSVForwardIndexWriter; +import org.apache.pinot.segment.local.segment.creator.impl.fwd.MultiValueFixedByteRawIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.fwd.MultiValueUnsortedForwardIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.fwd.MultiValueVarByteRawIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.fwd.SingleValueFixedByteRawIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.fwd.SingleValueSortedForwardIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.fwd.SingleValueUnsortedForwardIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.fwd.SingleValueVarByteRawIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.inv.OffHeapBitmapInvertedIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.inv.OnHeapBitmapInvertedIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.inv.geospatial.OffHeapH3IndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.inv.geospatial.OnHeapH3IndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.inv.json.OffHeapJsonIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.inv.json.OnHeapJsonIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.inv.text.LuceneFSTIndexCreator; +import org.apache.pinot.segment.local.segment.creator.impl.text.LuceneTextIndexCreator; +import org.apache.pinot.segment.local.utils.nativefst.NativeFSTIndexCreator; +import org.apache.pinot.segment.spi.compression.ChunkCompressionType; +import org.apache.pinot.segment.spi.creator.IndexCreationContext; +import org.apache.pinot.segment.spi.creator.IndexCreatorProvider; +import org.apache.pinot.segment.spi.index.creator.DictionaryBasedInvertedIndexCreator; +import org.apache.pinot.segment.spi.index.creator.ForwardIndexCreator; +import org.apache.pinot.segment.spi.index.creator.GeoSpatialIndexCreator; +import org.apache.pinot.segment.spi.index.creator.JsonIndexCreator; +import org.apache.pinot.segment.spi.index.creator.TextIndexCreator; +import org.apache.pinot.segment.spi.index.reader.H3IndexResolution; +import org.apache.pinot.spi.config.table.FSTType; +import org.apache.pinot.spi.config.table.FieldConfig; +import org.apache.pinot.spi.data.FieldSpec; + + +public final class DefaultIndexCreatorProvider implements IndexCreatorProvider { + + @Override + public ForwardIndexCreator newForwardIndexCreator(IndexCreationContext context) + throws Exception { + if (context.isRawColumn()) { + boolean deriveNumDocsPerChunk = + shouldDeriveNumDocsPerChunk(context.getFieldSpec().getName(), context.getColumnProperties()); + int writerVersion = rawIndexWriterVersion(context.getFieldSpec().getName(), context.getColumnProperties()); + if (context.getFieldSpec().isSingleValueField()) { + return getRawIndexCreatorForSVColumn(context.getIndexDir(), context.getChunkCompressionType(), + context.getFieldSpec().getName(), + context.getFieldSpec().getDataType().getStoredType(), context.getTotalDocs(), + context.getLengthOfLongestEntry(), deriveNumDocsPerChunk, writerVersion); + } else { + return getRawIndexCreatorForMVColumn(context.getIndexDir(), context.getChunkCompressionType(), + context.getFieldSpec().getName(), context.getFieldSpec().getDataType().getStoredType(), + context.getTotalDocs(), + context.getMaxNumberOfMultiValueElements(), deriveNumDocsPerChunk, writerVersion, + context.getMaxRowLengthInBytes()); + } + } else { + if (context.getFieldSpec().isSingleValueField()) { + if (context.isSorted()) { + return new SingleValueSortedForwardIndexCreator(context.getIndexDir(), context.getFieldSpec().getName(), + context.getDistinctValueCount()); + } else { + return new SingleValueUnsortedForwardIndexCreator(context.getIndexDir(), context.getFieldSpec().getName(), + context.getDistinctValueCount(), + context.getTotalDocs()); + } + } else { + return new MultiValueUnsortedForwardIndexCreator(context.getIndexDir(), context.getFieldSpec().getName(), + context.getDistinctValueCount(), + context.getTotalDocs(), + context.getTotalNumberOfEntries()); + } + } + } + + @Override + public DictionaryBasedInvertedIndexCreator newInvertedIndexCreator(IndexCreationContext context) + throws IOException { + if (context.isOnHeap()) { + return new OnHeapBitmapInvertedIndexCreator(context.getIndexDir(), context.getFieldSpec().getName(), + context.getDistinctValueCount()); + } else { + return new OffHeapBitmapInvertedIndexCreator(context.getIndexDir(), context.getFieldSpec(), + context.getDistinctValueCount(), context.getTotalDocs(), + context.getTotalNumberOfEntries()); + } + } + + @Override + public JsonIndexCreator newJsonIndexCreator(IndexCreationContext context) + throws IOException { + Preconditions.checkState(context.getFieldSpec().isSingleValueField(), + "Json index is currently only supported on single-value columns"); + Preconditions.checkState(context.getFieldSpec().getDataType().getStoredType() == FieldSpec.DataType.STRING, + "Json index is currently only supported on STRING columns"); + return context.isOnHeap() ? new OnHeapJsonIndexCreator(context.getIndexDir(), + context.getFieldSpec().getName()) + : new OffHeapJsonIndexCreator(context.getIndexDir(), context.getFieldSpec().getName()); + } + + @Override + public TextIndexCreator newTextIndexCreator(IndexCreationContext context) + throws IOException { + // Initialize text index creator + Preconditions.checkState(context.getFieldSpec().getDataType().getStoredType() == FieldSpec.DataType.STRING, + "Text index is currently only supported on STRING type columns"); + return new LuceneTextIndexCreator(context.getFieldSpec().getName(), context.getIndexDir(), + true /* commitOnClose */); + } + + @Override + public TextIndexCreator newFSTIndexCreator(IndexCreationContext context) + throws IOException { + Preconditions.checkState(context.getFieldSpec().isSingleValueField(), + "FST index is currently only supported on single-value columns"); + Preconditions.checkState(context.getFieldSpec().getDataType().getStoredType() == FieldSpec.DataType.STRING, + "FST index is currently only supported on STRING type columns"); + Preconditions.checkState(!context.isRawColumn(), + "FST index is currently only supported on dictionary-encoded columns"); + String[] sortedValues = (String[]) context.getSortedUniqueElementsArray(); + if (context.getFstType() == FSTType.NATIVE) { + return new NativeFSTIndexCreator(context.getIndexDir(), context.getFieldSpec().getName(), sortedValues); + } else { + return new LuceneFSTIndexCreator(context.getIndexDir(), context.getFieldSpec().getName(), sortedValues); + } Review comment: @atris FYI as FST indexing expert this will be called wherever a `TextIndexCreator` would have been constructed verbatim. -- This is an automated message from the Apache Git Service. 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