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510 lines
20 KiB
510 lines
20 KiB
/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.server.worker.task.sql; |
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import org.apache.dolphinscheduler.common.Constants; |
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import org.apache.dolphinscheduler.common.datasource.BaseConnectionParam; |
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import org.apache.dolphinscheduler.common.datasource.DatasourceUtil; |
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import org.apache.dolphinscheduler.common.enums.DbType; |
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import org.apache.dolphinscheduler.common.enums.Direct; |
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import org.apache.dolphinscheduler.common.enums.TaskTimeoutStrategy; |
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import org.apache.dolphinscheduler.common.process.Property; |
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import org.apache.dolphinscheduler.common.task.AbstractParameters; |
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import org.apache.dolphinscheduler.common.task.sql.SqlBinds; |
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import org.apache.dolphinscheduler.common.task.sql.SqlParameters; |
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import org.apache.dolphinscheduler.common.task.sql.SqlType; |
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import org.apache.dolphinscheduler.common.utils.CollectionUtils; |
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import org.apache.dolphinscheduler.common.utils.JSONUtils; |
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import org.apache.dolphinscheduler.common.utils.ParameterUtils; |
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import org.apache.dolphinscheduler.common.utils.StringUtils; |
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import org.apache.dolphinscheduler.dao.AlertDao; |
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import org.apache.dolphinscheduler.remote.command.alert.AlertSendResponseCommand; |
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import org.apache.dolphinscheduler.server.entity.SQLTaskExecutionContext; |
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import org.apache.dolphinscheduler.server.entity.TaskExecutionContext; |
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import org.apache.dolphinscheduler.server.utils.ParamUtils; |
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import org.apache.dolphinscheduler.server.utils.UDFUtils; |
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import org.apache.dolphinscheduler.server.worker.task.AbstractTask; |
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import org.apache.dolphinscheduler.service.alert.AlertClientService; |
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import org.apache.dolphinscheduler.service.bean.SpringApplicationContext; |
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import org.apache.commons.collections.MapUtils; |
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import java.sql.Connection; |
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import java.sql.PreparedStatement; |
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import java.sql.ResultSet; |
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import java.sql.ResultSetMetaData; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Optional; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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import java.util.stream.Collectors; |
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import org.slf4j.Logger; |
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import com.fasterxml.jackson.databind.node.ArrayNode; |
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import com.fasterxml.jackson.databind.node.ObjectNode; |
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/** |
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* sql task |
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*/ |
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public class SqlTask extends AbstractTask { |
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/** |
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* sql parameters |
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*/ |
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private SqlParameters sqlParameters; |
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/** |
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* alert dao |
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*/ |
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private AlertDao alertDao; |
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/** |
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* base datasource |
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*/ |
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private BaseConnectionParam baseConnectionParam; |
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/** |
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* taskExecutionContext |
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*/ |
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private TaskExecutionContext taskExecutionContext; |
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private AlertClientService alertClientService; |
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public SqlTask(TaskExecutionContext taskExecutionContext, Logger logger, AlertClientService alertClientService) { |
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super(taskExecutionContext, logger); |
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this.taskExecutionContext = taskExecutionContext; |
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logger.info("sql task params {}", taskExecutionContext.getTaskParams()); |
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this.sqlParameters = JSONUtils.parseObject(taskExecutionContext.getTaskParams(), SqlParameters.class); |
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if (!sqlParameters.checkParameters()) { |
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throw new RuntimeException("sql task params is not valid"); |
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} |
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this.alertClientService = alertClientService; |
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this.alertDao = SpringApplicationContext.getBean(AlertDao.class); |
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} |
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@Override |
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public void handle() throws Exception { |
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// set the name of the current thread |
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String threadLoggerInfoName = String.format(Constants.TASK_LOG_INFO_FORMAT, taskExecutionContext.getTaskAppId()); |
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Thread.currentThread().setName(threadLoggerInfoName); |
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logger.info("Full sql parameters: {}", sqlParameters); |
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logger.info("sql type : {}, datasource : {}, sql : {} , localParams : {},udfs : {},showType : {},connParams : {},varPool : {} ,query max result limit {}", |
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sqlParameters.getType(), |
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sqlParameters.getDatasource(), |
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sqlParameters.getSql(), |
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sqlParameters.getLocalParams(), |
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sqlParameters.getUdfs(), |
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sqlParameters.getShowType(), |
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sqlParameters.getConnParams(), |
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sqlParameters.getVarPool(), |
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sqlParameters.getLimit()); |
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try { |
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SQLTaskExecutionContext sqlTaskExecutionContext = taskExecutionContext.getSqlTaskExecutionContext(); |
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// get datasource |
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baseConnectionParam = (BaseConnectionParam) DatasourceUtil.buildConnectionParams( |
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DbType.valueOf(sqlParameters.getType()), |
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sqlTaskExecutionContext.getConnectionParams()); |
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// ready to execute SQL and parameter entity Map |
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SqlBinds mainSqlBinds = getSqlAndSqlParamsMap(sqlParameters.getSql()); |
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List<SqlBinds> preStatementSqlBinds = Optional.ofNullable(sqlParameters.getPreStatements()) |
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.orElse(new ArrayList<>()) |
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.stream() |
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.map(this::getSqlAndSqlParamsMap) |
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.collect(Collectors.toList()); |
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List<SqlBinds> postStatementSqlBinds = Optional.ofNullable(sqlParameters.getPostStatements()) |
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.orElse(new ArrayList<>()) |
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.stream() |
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.map(this::getSqlAndSqlParamsMap) |
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.collect(Collectors.toList()); |
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List<String> createFuncs = UDFUtils.createFuncs(sqlTaskExecutionContext.getUdfFuncTenantCodeMap(), |
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logger); |
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// execute sql task |
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executeFuncAndSql(mainSqlBinds, preStatementSqlBinds, postStatementSqlBinds, createFuncs); |
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setExitStatusCode(Constants.EXIT_CODE_SUCCESS); |
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} catch (Exception e) { |
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setExitStatusCode(Constants.EXIT_CODE_FAILURE); |
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logger.error("sql task error: {}", e.toString()); |
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throw e; |
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} |
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} |
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/** |
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* ready to execute SQL and parameter entity Map |
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* |
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* @return SqlBinds |
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*/ |
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private SqlBinds getSqlAndSqlParamsMap(String sql) { |
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Map<Integer, Property> sqlParamsMap = new HashMap<>(); |
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StringBuilder sqlBuilder = new StringBuilder(); |
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// combining local and global parameters |
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Map<String, Property> paramsMap = ParamUtils.convert(taskExecutionContext,getParameters()); |
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// spell SQL according to the final user-defined variable |
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if (paramsMap == null) { |
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sqlBuilder.append(sql); |
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return new SqlBinds(sqlBuilder.toString(), sqlParamsMap); |
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} |
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if (StringUtils.isNotEmpty(sqlParameters.getTitle())) { |
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String title = ParameterUtils.convertParameterPlaceholders(sqlParameters.getTitle(), |
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ParamUtils.convert(paramsMap)); |
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logger.info("SQL title : {}", title); |
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sqlParameters.setTitle(title); |
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} |
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//new |
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//replace variable TIME with $[YYYYmmddd...] in sql when history run job and batch complement job |
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sql = ParameterUtils.replaceScheduleTime(sql, taskExecutionContext.getScheduleTime()); |
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// special characters need to be escaped, ${} needs to be escaped |
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String rgex = "['\"]*\\$\\{(.*?)\\}['\"]*"; |
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setSqlParamsMap(sql, rgex, sqlParamsMap, paramsMap); |
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//Replace the original value in sql !{...} ,Does not participate in precompilation |
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String rgexo = "['\"]*\\!\\{(.*?)\\}['\"]*"; |
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sql = replaceOriginalValue(sql, rgexo, paramsMap); |
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// replace the ${} of the SQL statement with the Placeholder |
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String formatSql = sql.replaceAll(rgex, "?"); |
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sqlBuilder.append(formatSql); |
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// print repalce sql |
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printReplacedSql(sql, formatSql, rgex, sqlParamsMap); |
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return new SqlBinds(sqlBuilder.toString(), sqlParamsMap); |
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} |
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public String replaceOriginalValue(String content, String rgex, Map<String, Property> sqlParamsMap) { |
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Pattern pattern = Pattern.compile(rgex); |
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while (true) { |
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Matcher m = pattern.matcher(content); |
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if (!m.find()) { |
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break; |
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} |
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String paramName = m.group(1); |
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String paramValue = sqlParamsMap.get(paramName).getValue(); |
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content = m.replaceFirst(paramValue); |
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} |
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return content; |
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} |
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@Override |
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public AbstractParameters getParameters() { |
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return this.sqlParameters; |
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} |
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/** |
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* execute function and sql |
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* |
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* @param mainSqlBinds main sql binds |
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* @param preStatementsBinds pre statements binds |
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* @param postStatementsBinds post statements binds |
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* @param createFuncs create functions |
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*/ |
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public void executeFuncAndSql(SqlBinds mainSqlBinds, |
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List<SqlBinds> preStatementsBinds, |
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List<SqlBinds> postStatementsBinds, |
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List<String> createFuncs) throws Exception { |
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Connection connection = null; |
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PreparedStatement stmt = null; |
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ResultSet resultSet = null; |
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try { |
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// create connection |
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connection = DatasourceUtil.getConnection(DbType.valueOf(sqlParameters.getType()), baseConnectionParam); |
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// create temp function |
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if (CollectionUtils.isNotEmpty(createFuncs)) { |
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createTempFunction(connection, createFuncs); |
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} |
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// pre sql |
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preSql(connection, preStatementsBinds); |
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stmt = prepareStatementAndBind(connection, mainSqlBinds); |
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String result = null; |
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// decide whether to executeQuery or executeUpdate based on sqlType |
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if (sqlParameters.getSqlType() == SqlType.QUERY.ordinal()) { |
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// query statements need to be convert to JsonArray and inserted into Alert to send |
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resultSet = stmt.executeQuery(); |
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result = resultProcess(resultSet); |
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} else if (sqlParameters.getSqlType() == SqlType.NON_QUERY.ordinal()) { |
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// non query statement |
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String updateResult = String.valueOf(stmt.executeUpdate()); |
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result = setNonQuerySqlReturn(updateResult, sqlParameters.getLocalParams()); |
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} |
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//deal out params |
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sqlParameters.dealOutParam(result); |
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postSql(connection, postStatementsBinds); |
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} catch (Exception e) { |
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logger.error("execute sql error: {}", e.getMessage()); |
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throw e; |
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} finally { |
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close(resultSet, stmt, connection); |
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} |
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} |
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public String setNonQuerySqlReturn(String updateResult, List<Property> properties) { |
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String result = null; |
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for (Property info : properties) { |
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if (Direct.OUT == info.getDirect()) { |
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List<Map<String, String>> updateRL = new ArrayList<>(); |
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Map<String, String> updateRM = new HashMap<>(); |
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updateRM.put(info.getProp(), updateResult); |
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updateRL.add(updateRM); |
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result = JSONUtils.toJsonString(updateRL); |
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break; |
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} |
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} |
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return result; |
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} |
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/** |
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* result process |
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* |
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* @param resultSet resultSet |
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* @throws Exception Exception |
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*/ |
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private String resultProcess(ResultSet resultSet) throws Exception { |
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ArrayNode resultJSONArray = JSONUtils.createArrayNode(); |
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if (resultSet != null) { |
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ResultSetMetaData md = resultSet.getMetaData(); |
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int num = md.getColumnCount(); |
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int rowCount = 0; |
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while (rowCount < sqlParameters.getLimit() && resultSet.next()) { |
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ObjectNode mapOfColValues = JSONUtils.createObjectNode(); |
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for (int i = 1; i <= num; i++) { |
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mapOfColValues.set(md.getColumnLabel(i), JSONUtils.toJsonNode(resultSet.getObject(i))); |
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} |
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resultJSONArray.add(mapOfColValues); |
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rowCount++; |
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} |
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int displayRows = sqlParameters.getDisplayRows() > 0 ? sqlParameters.getDisplayRows() : Constants.DEFAULT_DISPLAY_ROWS; |
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displayRows = Math.min(displayRows, resultJSONArray.size()); |
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logger.info("display sql result {} rows as follows:", displayRows); |
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for (int i = 0; i < displayRows; i++) { |
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String row = JSONUtils.toJsonString(resultJSONArray.get(i)); |
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logger.info("row {} : {}", i + 1, row); |
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} |
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} |
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String result = JSONUtils.toJsonString(resultJSONArray); |
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if (sqlParameters.getSendEmail() == null || sqlParameters.getSendEmail()) { |
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sendAttachment(sqlParameters.getGroupId(), StringUtils.isNotEmpty(sqlParameters.getTitle()) |
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? sqlParameters.getTitle() |
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: taskExecutionContext.getTaskName() + " query result sets", result); |
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} |
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logger.debug("execute sql result : {}", result); |
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return result; |
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} |
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/** |
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* pre sql |
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* |
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* @param connection connection |
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* @param preStatementsBinds preStatementsBinds |
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*/ |
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private void preSql(Connection connection, |
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List<SqlBinds> preStatementsBinds) throws Exception { |
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for (SqlBinds sqlBind : preStatementsBinds) { |
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try (PreparedStatement pstmt = prepareStatementAndBind(connection, sqlBind)) { |
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int result = pstmt.executeUpdate(); |
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logger.info("pre statement execute result: {}, for sql: {}", result, sqlBind.getSql()); |
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} |
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} |
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} |
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/** |
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* post sql |
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* |
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* @param connection connection |
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* @param postStatementsBinds postStatementsBinds |
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*/ |
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private void postSql(Connection connection, |
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List<SqlBinds> postStatementsBinds) throws Exception { |
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for (SqlBinds sqlBind : postStatementsBinds) { |
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try (PreparedStatement pstmt = prepareStatementAndBind(connection, sqlBind)) { |
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int result = pstmt.executeUpdate(); |
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logger.info("post statement execute result: {},for sql: {}", result, sqlBind.getSql()); |
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} |
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} |
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} |
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/** |
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* create temp function |
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* |
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* @param connection connection |
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* @param createFuncs createFuncs |
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*/ |
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private void createTempFunction(Connection connection, |
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List<String> createFuncs) throws Exception { |
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try (Statement funcStmt = connection.createStatement()) { |
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for (String createFunc : createFuncs) { |
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logger.info("hive create function sql: {}", createFunc); |
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funcStmt.execute(createFunc); |
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} |
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} |
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} |
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/** |
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* close jdbc resource |
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* |
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* @param resultSet resultSet |
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* @param pstmt pstmt |
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* @param connection connection |
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*/ |
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private void close(ResultSet resultSet, |
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PreparedStatement pstmt, |
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Connection connection) { |
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if (resultSet != null) { |
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try { |
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resultSet.close(); |
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} catch (SQLException e) { |
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logger.error("close result set error : {}", e.getMessage(), e); |
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} |
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} |
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if (pstmt != null) { |
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try { |
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pstmt.close(); |
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} catch (SQLException e) { |
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logger.error("close prepared statement error : {}", e.getMessage(), e); |
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} |
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} |
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if (connection != null) { |
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try { |
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connection.close(); |
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} catch (SQLException e) { |
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logger.error("close connection error : {}", e.getMessage(), e); |
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} |
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} |
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} |
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/** |
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* preparedStatement bind |
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* |
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* @param connection connection |
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* @param sqlBinds sqlBinds |
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* @return PreparedStatement |
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* @throws Exception Exception |
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*/ |
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private PreparedStatement prepareStatementAndBind(Connection connection, SqlBinds sqlBinds) throws Exception { |
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// is the timeout set |
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boolean timeoutFlag = taskExecutionContext.getTaskTimeoutStrategy() == TaskTimeoutStrategy.FAILED |
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|| taskExecutionContext.getTaskTimeoutStrategy() == TaskTimeoutStrategy.WARNFAILED; |
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PreparedStatement stmt = connection.prepareStatement(sqlBinds.getSql()); |
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if (timeoutFlag) { |
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stmt.setQueryTimeout(taskExecutionContext.getTaskTimeout()); |
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} |
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Map<Integer, Property> params = sqlBinds.getParamsMap(); |
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if (params != null) { |
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for (Map.Entry<Integer, Property> entry : params.entrySet()) { |
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Property prop = entry.getValue(); |
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ParameterUtils.setInParameter(entry.getKey(), stmt, prop.getType(), prop.getValue()); |
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} |
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} |
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logger.info("prepare statement replace sql : {} ", stmt); |
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return stmt; |
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} |
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/** |
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* send mail as an attachment |
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* |
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* @param title title |
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* @param content content |
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*/ |
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public void sendAttachment(int groupId, String title, String content) { |
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AlertSendResponseCommand alertSendResponseCommand = alertClientService.sendAlert(groupId, title, content); |
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if (!alertSendResponseCommand.getResStatus()) { |
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throw new RuntimeException("send mail failed!"); |
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} |
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} |
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/** |
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* regular expressions match the contents between two specified strings |
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* |
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* @param content content |
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* @param rgex rgex |
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* @param sqlParamsMap sql params map |
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* @param paramsPropsMap params props map |
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*/ |
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public void setSqlParamsMap(String content, String rgex, Map<Integer, Property> sqlParamsMap, Map<String, Property> paramsPropsMap) { |
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Pattern pattern = Pattern.compile(rgex); |
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Matcher m = pattern.matcher(content); |
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int index = 1; |
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while (m.find()) { |
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String paramName = m.group(1); |
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Property prop = paramsPropsMap.get(paramName); |
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if (prop == null) { |
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logger.error("setSqlParamsMap: No Property with paramName: {} is found in paramsPropsMap of task instance" |
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+ " with id: {}. So couldn't put Property in sqlParamsMap.", paramName, taskExecutionContext.getTaskInstanceId()); |
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} |
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else { |
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sqlParamsMap.put(index, prop); |
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index++; |
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logger.info("setSqlParamsMap: Property with paramName: {} put in sqlParamsMap of content {} successfully.", paramName, content); |
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} |
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} |
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} |
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/** |
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* print replace sql |
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* |
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* @param content content |
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* @param formatSql format sql |
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* @param rgex rgex |
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* @param sqlParamsMap sql params map |
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*/ |
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public void printReplacedSql(String content, String formatSql, String rgex, Map<Integer, Property> sqlParamsMap) { |
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//parameter print style |
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logger.info("after replace sql , preparing : {}", formatSql); |
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if (MapUtils.isEmpty(sqlParamsMap)) { |
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logger.info("sqlParamsMap should not be Empty"); |
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return; |
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} |
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StringBuilder logPrint = new StringBuilder("replaced sql , parameters:"); |
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if (sqlParamsMap == null) { |
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logger.info("printReplacedSql: sqlParamsMap is null."); |
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} |
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else { |
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for (int i = 1; i <= sqlParamsMap.size(); i++) { |
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logPrint.append(sqlParamsMap.get(i).getValue() + "(" + sqlParamsMap.get(i).getType() + ")"); |
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} |
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} |
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logger.info("Sql Params are {}", logPrint); |
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} |
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}
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