weizhengte commented on code in PR #12765:
URL: https://github.com/apache/doris/pull/12765#discussion_r976076296
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fe/fe-core/src/main/java/org/apache/doris/statistics/SQLStatisticsTask.java:
##########
@@ -17,47 +17,119 @@
package org.apache.doris.statistics;
-import org.apache.doris.analysis.SelectStmt;
+import org.apache.doris.catalog.Database;
+import org.apache.doris.catalog.Env;
+import org.apache.doris.catalog.Table;
+import org.apache.doris.common.DdlException;
+import org.apache.doris.common.InvalidFormatException;
+import org.apache.doris.statistics.StatisticsTaskResult.TaskResult;
+import org.apache.doris.statistics.StatsGranularity.Granularity;
+import org.apache.doris.statistics.util.InternalQuery;
+import org.apache.doris.statistics.util.InternalQueryResult;
+import org.apache.doris.statistics.util.InternalQueryResult.ResultRow;
+import org.apache.doris.statistics.util.InternalSqlTemplate;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
import java.util.List;
+import java.util.Map;
/**
* A statistics task that collects statistics by executing query.
* The results of the query will be returned as @StatisticsTaskResult.
*/
public class SQLStatisticsTask extends StatisticsTask {
- private SelectStmt query;
+ private String statement;
public SQLStatisticsTask(long jobId, List<StatisticsDesc> statsDescs) {
super(jobId, statsDescs);
}
@Override
public StatisticsTaskResult call() throws Exception {
- // TODO
- // step1: construct query by statsDescList
- constructQuery();
- // step2: execute query
- // the result should be sequence by @statsTypeList
- List<String> queryResultList = executeQuery(query);
- // step3: construct StatisticsTaskResult by query result
- constructTaskResult(queryResultList);
- return null;
+ checkStatisticsDesc();
+ List<TaskResult> taskResults = Lists.newArrayList();
+
+ for (StatisticsDesc statsDesc : statsDescs) {
+ statement = constructQuery(statsDesc);
+ TaskResult taskResult = executeQuery(statsDesc);
+ taskResults.add(taskResult);
+ }
+
+ return new StatisticsTaskResult(taskResults);
}
- protected void constructQuery() {
- // TODO
- // step1: construct FROM by @granularityDesc
- // step2: construct SELECT LIST by @statsTypeList
+ protected String constructQuery(StatisticsDesc statsDesc) throws
DdlException,
Review Comment:
sure
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