Examples with Explain com.facebook.presto.sql.tree.Explain used on opensource projects

Example 6 with Explain

use of com.facebook.presto.sql.tree.Explain in project presto by prestodb.

the class LocalQueryRunner method createPlan.

public Plan createPlan(Session session, @Language("SQL") String sql, List<PlanOptimizer> optimizers, LogicalPlanner.Stage stage, WarningCollector warningCollector) {
    Statement wrappedStatement = sqlParser.createStatement(sql, createParsingOptions(session, warningCollector));
    PreparedQuery preparedQuery = new QueryPreparer(sqlParser).prepareQuery(session, wrappedStatement, warningCollector);
    assertFormattedSql(sqlParser, createParsingOptions(session), preparedQuery.getStatement());
    PlanNodeIdAllocator idAllocator = new PlanNodeIdAllocator();
    QueryExplainer queryExplainer = new QueryExplainer(optimizers, planFragmenter, metadata, accessControl, sqlParser, statsCalculator, costCalculator, dataDefinitionTask, distributedPlanChecker);
    Analyzer analyzer = new Analyzer(session, metadata, sqlParser, accessControl, Optional.of(queryExplainer), preparedQuery.getParameters(), warningCollector);
    LogicalPlanner logicalPlanner = new LogicalPlanner(wrappedStatement instanceof Explain, session, optimizers, singleNodePlanChecker, idAllocator, metadata, sqlParser, statsCalculator, costCalculator, warningCollector);
    Analysis analysis = analyzer.analyze(preparedQuery.getStatement());
    return logicalPlanner.plan(analysis, stage);
}

Example 7 with Explain

use of com.facebook.presto.sql.tree.Explain in project presto by prestodb.

the class ExplainVerification method getQueryRewrite.

@Override
protected QueryBundle getQueryRewrite(ClusterType clusterType) {
    Statement statement = sqlParser.createStatement(getSourceQuery().getQuery(clusterType), PARSING_OPTIONS);
    Explain explain = new Explain(statement, false, false, ImmutableList.of(new ExplainFormat(JSON)));
    return new QueryBundle(ImmutableList.of(), explain, ImmutableList.of(), clusterType);
}