maytasm commented on code in PR #19107: URL: https://github.com/apache/druid/pull/19107#discussion_r3172183206
########## extensions-contrib/openlineage-emitter/src/main/java/org/apache/druid/extensions/openlineage/OpenLineageRequestLogger.java: ########## @@ -0,0 +1,654 @@ +/* + * 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.druid.extensions.openlineage; + +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.node.ArrayNode; +import com.fasterxml.jackson.databind.node.ObjectNode; +import org.apache.calcite.avatica.util.Casing; +import org.apache.calcite.avatica.util.Quoting; +import org.apache.calcite.sql.SqlBasicCall; +import org.apache.calcite.sql.SqlCall; +import org.apache.calcite.sql.SqlIdentifier; +import org.apache.calcite.sql.SqlInsert; +import org.apache.calcite.sql.SqlJoin; +import org.apache.calcite.sql.SqlKind; +import org.apache.calcite.sql.SqlNode; +import org.apache.calcite.sql.SqlNodeList; +import org.apache.calcite.sql.SqlSelect; +import org.apache.calcite.sql.SqlWith; +import org.apache.calcite.sql.SqlWithItem; +import org.apache.calcite.sql.parser.SqlParseException; +import org.apache.calcite.sql.parser.SqlParser; +import org.apache.druid.java.util.common.concurrent.Execs; +import org.apache.druid.java.util.common.lifecycle.LifecycleStart; +import org.apache.druid.java.util.common.lifecycle.LifecycleStop; +import org.apache.druid.java.util.common.logger.Logger; +import org.apache.druid.query.BaseQuery; +import org.apache.druid.server.RequestLogLine; +import org.apache.druid.server.log.RequestLogger; +import org.apache.druid.utils.CloseableUtils; +import org.apache.http.client.HttpClient; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.entity.ContentType; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.util.EntityUtils; + +import javax.annotation.Nullable; +import java.io.Closeable; +import java.io.IOException; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.LinkedHashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.UUID; +import java.util.concurrent.ArrayBlockingQueue; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.RejectedExecutionHandler; +import java.util.concurrent.ThreadPoolExecutor; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicLong; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +/** + * OpenLineage RunEvents for completed Druid queries. + */ +public class OpenLineageRequestLogger implements RequestLogger +{ + private static final Logger log = new Logger(OpenLineageRequestLogger.class); + + private static final String PRODUCER = + "https://github.com/apache/druid/extensions-contrib/openlineage-emitter";; + private static final String SCHEMA_URL = + "https://openlineage.io/spec/2-0-2/OpenLineage.json";; + private static final String ENGINE_FACET_SCHEMA_URL = + "https://openlineage.io/spec/facets/1-1-1/ProcessingEngineRunFacet.json";; + private static final String ERROR_FACET_SCHEMA_URL = + "https://openlineage.io/spec/facets/1-0-0/ErrorMessageRunFacet.json";; + private static final String JOB_TYPE_FACET_SCHEMA_URL = + "https://openlineage.io/spec/facets/2-0-2/JobTypeJobFacet.json";; + private static final String SQL_FACET_SCHEMA_URL = + "https://openlineage.io/spec/facets/1-0-1/SQLJobFacet.json";; + + // Standard Calcite parser (not Druid's custom parser): sufficient for table name extraction. + // Druid-specific syntax (REPLACE, EXTERN, etc.) falls through to the SqlParseException handler. + private static final SqlParser.Config SQL_PARSER_CONFIG = SqlParser + .config() + .withCaseSensitive(true) + .withUnquotedCasing(Casing.UNCHANGED) + .withQuotedCasing(Casing.UNCHANGED) + .withQuoting(Quoting.DOUBLE_QUOTE); + + // Matches: INSERT INTO <table> ... (fallback when EXTERN prevents standard Calcite parsing) + // Handles both quoted ("table") and unquoted (table) identifiers. + private static final Pattern INSERT_INTO_PATTERN = + Pattern.compile("(?i)^\\s*INSERT\\s+INTO\\s+\"?([^\"\\s]+)\"?"); + // Matches: REPLACE INTO <table> OVERWRITE ... (Druid-specific, not parseable by standard Calcite) + private static final Pattern REPLACE_INTO_PATTERN = + Pattern.compile("(?i)^\\s*REPLACE\\s+INTO\\s+\"?([^\"\\s]+)\"?"); + // Extracts the SELECT subquery from a REPLACE INTO statement for input lineage Review Comment: nit: the commend and variable name here indicates the pattern only applies to REPLACE INTO, however, this applies to both INSERT INTO and REPLACE INTO -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. 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