org.apache.calcite.benchmarks

Class StatementTest

java.lang.Object

org.apache.calcite.benchmarks.StatementTest

public class StatementTest
extends Object

Compares Statement vs PreparedStatement.

This package contains micro-benchmarks to test calcite performance.

To run this and other benchmarks:

mvn package && java -jar ./target/ubenchmarks.jar -wi 5 -i 5 -f 1

To run with profiling:

java -Djmh.stack.lines=10 -jar ./target/ubenchmarks.jar -prof hs_comp,hs_gc,stack -f 1 -wi 5

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StatementTest.Department Department record.
static class	StatementTest.Employee Employee record.
static class	StatementTest.HrConnection Connection to be used during tests.
static class	StatementTest.HrPreparedStatement Tests performance of reused execution of prepared statement.
static class	StatementTest.HrSchema Pojo schema containing "emps" and "depts" tables.

Constructor Summary

Constructors

Constructor and Description
StatementTest()

Method Summary

Modifier and Type	Method and Description
String	bindExecute(StatementTest.HrPreparedStatement state)
private static void	close(ResultSet rs, Statement st)
String	executeQuery(StatementTest.HrConnection state)
String	forEach(StatementTest.HrConnection state)
String	prepareBindExecute(StatementTest.HrConnection state)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StatementTest

public StatementTest()

Method Detail

prepareBindExecute

public String prepareBindExecute(StatementTest.HrConnection state)
                          throws SQLException

Throws:

SQLException

bindExecute

public String bindExecute(StatementTest.HrPreparedStatement state)
                   throws SQLException

Throws:

SQLException

executeQuery

public String executeQuery(StatementTest.HrConnection state)
                    throws SQLException

Throws:

SQLException

forEach

public String forEach(StatementTest.HrConnection state)
               throws SQLException

Throws:

SQLException

close

private static void close(ResultSet rs,
                          Statement st)