Jibing-Li commented on code in PR #13883: URL: https://github.com/apache/doris/pull/13883#discussion_r1013630407
########## fe/fe-core/src/main/java/org/apache/doris/statistics/AnalysisJob.java: ########## @@ -0,0 +1,202 @@ +// 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.doris.statistics; + +import org.apache.doris.catalog.Column; +import org.apache.doris.catalog.Database; +import org.apache.doris.catalog.Env; +import org.apache.doris.catalog.Partition; +import org.apache.doris.catalog.Table; +import org.apache.doris.datasource.CatalogIf; +import org.apache.doris.persist.AnalysisJobScheduler; +import org.apache.doris.qe.ConnectContext; +import org.apache.doris.qe.StmtExecutor; +import org.apache.doris.statistics.AnalysisJobInfo.JobState; + +import org.apache.commons.text.StringSubstitutor; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; + +public class AnalysisJob { + + private final AnalysisJobScheduler analysisJobScheduler; + + private final AnalysisJobInfo info; + + private CatalogIf catalog; + + private Database db; + + private Table tbl; + + private Column col; + + private StmtExecutor stmtExecutor; + + public AnalysisJob(AnalysisJobScheduler analysisJobScheduler, AnalysisJobInfo info) { + this.analysisJobScheduler = analysisJobScheduler; + this.info = info; + init(info); + } + + private void init(AnalysisJobInfo info) { + catalog = Env.getCurrentEnv().getCatalogMgr().getCatalog(info.catalogName); + if (catalog == null) { + analysisJobScheduler.updateJobStatus(info.jobId, JobState.FAILED, + String.format("Catalog with name: %s not exists", info.dbName), System.currentTimeMillis()); + return; + } + db = Env.getCurrentEnv().getInternalCatalog().getDb(info.dbName).orElse(null); + if (db == null) { + analysisJobScheduler.updateJobStatus(info.jobId, JobState.FAILED, + String.format("DB with name %s not exists", info.dbName), System.currentTimeMillis()); + return; + } + tbl = db.getTable(info.tblName).orElse(null); + if (tbl == null) { + analysisJobScheduler.updateJobStatus( + info.jobId, JobState.FAILED, + String.format("Table with name %s not exists", info.tblName), System.currentTimeMillis()); + } + col = tbl.getColumn(info.colName); + if (col == null) { + analysisJobScheduler.updateJobStatus( + info.jobId, JobState.FAILED, String.format("Column with name %s not exists", info.tblName), + System.currentTimeMillis()); + } + } + + private static final String ANALYZE_PARTITION_SQL_TEMPLATE = "INSERT INTO " + + "${internalDB}.${columnStatTbl}" + + " SELECT " + + "CONCAT(${tblId}, '-', '${colId}', '-', ${partId}) AS id, " + + "${catalogId} AS catalog_id, " + + "${dbId} AS db_id, " + + "${tblId} AS tbl_id, " + + "'${colId}' AS col_id, " + + "${partId} AS part_id, " + + "COUNT(1) AS row_count, " + + "NDV(${colName}) AS ndv, " + + "SUM(CASE WHEN ${colName} IS NULL THEN 1 ELSE 0 END) AS null_count, " + + "MIN(${colName}) AS min, " + + "MAX(${colName}) AS max, " + + "${dataSizeFunction} AS data_size, " + + "NOW()" + + "FROM `${dbName}`.`${tblName}` " + + "PARTITION ${partName}"; + + private static final String ANALYZE_COLUMN_SQL_TEMPLATE = "INSERT INTO " + + "${internalDB}.${columnStatTbl}" + + " SELECT id, catalog_id, db_id, tbl_id, col_id, part_id, row_count, " + + " ndv, null_count, min, max, data_size, update_time\n" + + " FROM \n" + + " (SELECT CONCAT(${tblId}, '-', '${colId}') AS id, " + + " ${catalogId} AS catalog_id, " + + " ${dbId} AS db_id, " + + " ${tblId} AS tbl_id, " + + " '${colId}' AS col_id, " + + " NULL AS part_id, " + + " SUM(count) AS row_count, \n" + + " SUM(null_count) AS null_count, " + + " MIN(CAST(min AS ${type})) AS min, " + + " MAX(CAST(max AS ${type})) AS max, " + + " SUM(data_size_in_bytes) AS data_size, " + + " NOW() AS update_time\n" + + " FROM ${internalDB}.${columnStatTbl}" + + " WHERE ${internalDB}.${columnStatTbl}.db_id = '${dbId}' AND " + + " ${internalDB}.${columnStatTbl}.tbl_id='${tblId}' AND " + + " ${internalDB}.${columnStatTbl}.col_id='${colId}'" + + " ) t1, \n" + + " (SELECT NDV(${colName}) AS ndv FROM `${dbName}`.`${tblName}`) t2\n"; + + private String getDataSizeFunction() { + if (col.getType().isStringType()) { + return "SUM(LENGTH(${colName}))"; + } + return "COUNT(1) * " + col.getType().getSlotSize(); + } + + public void execute() throws Exception { + tbl.readLock(); + Map<String, String> params = new HashMap<>(); + params.put("internalDB", StatisticConstants.STATISTIC_DB_NAME); + params.put("columnStatTbl", StatisticConstants.STATISTIC_TBL_NAME); + params.put("catalogId", String.valueOf(catalog.getId())); + params.put("dbId", String.valueOf(db.getId())); + params.put("tblId", String.valueOf(tbl.getId())); + params.put("colId", String.valueOf(info.colName)); + params.put("dataSizeFunction", getDataSizeFunction()); + params.put("dbName", info.dbName); + params.put("colName", String.valueOf(info.colName)); + params.put("tblName", String.valueOf(info.tblName)); + List<String> partitionAnalysisSQLs = new ArrayList<>(); + try { + tbl.readLock(); Review Comment: Already locked at line 139 -- This is an automated message from the Apache Git Service. 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