/*
* Licensed 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 com.facebook.presto.tests;
import com.facebook.presto.spi.ColumnMetadata;
import com.facebook.presto.spi.ConnectorTableMetadata;
import com.facebook.presto.spi.RecordCursor;
import com.facebook.presto.spi.RecordSet;
import com.facebook.presto.spi.SchemaTableName;
import com.facebook.presto.spi.type.Type;
import com.facebook.presto.testing.MaterializedResult;
import com.facebook.presto.testing.MaterializedRow;
import com.facebook.presto.tpch.TpchMetadata;
import com.facebook.presto.tpch.TpchTableHandle;
import com.google.common.base.Joiner;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import io.airlift.log.Logging;
import org.intellij.lang.annotations.Language;
import org.skife.jdbi.v2.DBI;
import org.skife.jdbi.v2.Handle;
import org.skife.jdbi.v2.PreparedBatch;
import org.skife.jdbi.v2.PreparedBatchPart;
import org.skife.jdbi.v2.StatementContext;
import org.skife.jdbi.v2.tweak.ResultSetMapper;
import java.sql.Date;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static com.facebook.presto.spi.type.BooleanType.BOOLEAN;
import static com.facebook.presto.spi.type.DateType.DATE;
import static com.facebook.presto.spi.type.DoubleType.DOUBLE;
import static com.facebook.presto.spi.type.TimeType.TIME;
import static com.facebook.presto.spi.type.TimeWithTimeZoneType.TIME_WITH_TIME_ZONE;
import static com.facebook.presto.spi.type.TimestampType.TIMESTAMP;
import static com.facebook.presto.spi.type.TimestampWithTimeZoneType.TIMESTAMP_WITH_TIME_ZONE;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static com.facebook.presto.tpch.TpchMetadata.TINY_SCHEMA_NAME;
import static com.facebook.presto.tpch.TpchRecordSet.createTpchRecordSet;
import static com.facebook.presto.type.UnknownType.UNKNOWN;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkState;
import static io.airlift.tpch.TpchTable.LINE_ITEM;
import static io.airlift.tpch.TpchTable.ORDERS;
import static java.lang.String.format;
import static java.util.Collections.nCopies;
public class H2QueryRunner
{
private final Handle handle;
public H2QueryRunner()
{
Logging.initialize();
handle = DBI.open("jdbc:h2:mem:test" + System.nanoTime());
TpchMetadata tpchMetadata = new TpchMetadata("");
handle.execute("CREATE TABLE orders (\n" +
" orderkey BIGINT PRIMARY KEY,\n" +
" custkey BIGINT NOT NULL,\n" +
" orderstatus CHAR(1) NOT NULL,\n" +
" totalprice DOUBLE NOT NULL,\n" +
" orderdate CHAR(10) NOT NULL,\n" +
" orderpriority CHAR(15) NOT NULL,\n" +
" clerk CHAR(15) NOT NULL,\n" +
" shippriority BIGINT NOT NULL,\n" +
" comment VARCHAR(79) NOT NULL\n" +
")");
handle.execute("CREATE INDEX custkey_index ON orders (custkey)");
TpchTableHandle ordersHandle = tpchMetadata.getTableHandle(null, new SchemaTableName(TINY_SCHEMA_NAME, ORDERS.getTableName()));
insertRows(tpchMetadata.getTableMetadata(ordersHandle), handle, createTpchRecordSet(ORDERS, ordersHandle.getScaleFactor()));
handle.execute("CREATE TABLE lineitem (\n" +
" orderkey BIGINT,\n" +
" partkey BIGINT NOT NULL,\n" +
" suppkey BIGINT NOT NULL,\n" +
" linenumber BIGINT,\n" +
" quantity BIGINT NOT NULL,\n" +
" extendedprice DOUBLE NOT NULL,\n" +
" discount DOUBLE NOT NULL,\n" +
" tax DOUBLE NOT NULL,\n" +
" returnflag CHAR(1) NOT NULL,\n" +
" linestatus CHAR(1) NOT NULL,\n" +
" shipdate CHAR(10) NOT NULL,\n" +
" commitdate CHAR(10) NOT NULL,\n" +
" receiptdate CHAR(10) NOT NULL,\n" +
" shipinstruct VARCHAR(25) NOT NULL,\n" +
" shipmode VARCHAR(10) NOT NULL,\n" +
" comment VARCHAR(44) NOT NULL,\n" +
" PRIMARY KEY (orderkey, linenumber)" +
")");
TpchTableHandle lineItemHandle = tpchMetadata.getTableHandle(null, new SchemaTableName(TINY_SCHEMA_NAME, LINE_ITEM.getTableName()));
insertRows(tpchMetadata.getTableMetadata(lineItemHandle), handle, createTpchRecordSet(LINE_ITEM, lineItemHandle.getScaleFactor()));
}
public void close()
{
handle.close();
}
public MaterializedResult execute(@Language("SQL") String sql, List<? extends Type> resultTypes)
{
return new MaterializedResult(
handle.createQuery(sql)
.map(rowMapper(resultTypes))
.list(),
resultTypes
);
}
private static ResultSetMapper<MaterializedRow> rowMapper(final List<? extends Type> types)
{
return new ResultSetMapper<MaterializedRow>()
{
@Override
public MaterializedRow map(int index, ResultSet resultSet, StatementContext ctx)
throws SQLException
{
int count = resultSet.getMetaData().getColumnCount();
checkArgument(types.size() == count, "type does not match result");
List<Object> row = new ArrayList<>(count);
for (int i = 1; i <= count; i++) {
Type type = types.get(i - 1);
if (BOOLEAN.equals(type)) {
boolean booleanValue = resultSet.getBoolean(i);
if (resultSet.wasNull()) {
row.add(null);
}
else {
row.add(booleanValue);
}
}
else if (BIGINT.equals(type)) {
long longValue = resultSet.getLong(i);
if (resultSet.wasNull()) {
row.add(null);
}
else {
row.add(longValue);
}
}
else if (DOUBLE.equals(type)) {
double doubleValue = resultSet.getDouble(i);
if (resultSet.wasNull()) {
row.add(null);
}
else {
row.add(doubleValue);
}
}
else if (VARCHAR.equals(type)) {
String stringValue = resultSet.getString(i);
if (resultSet.wasNull()) {
row.add(null);
}
else {
row.add(stringValue);
}
}
else if (DATE.equals(type)) {
Date dateValue = resultSet.getDate(i);
if (resultSet.wasNull()) {
row.add(null);
}
else {
row.add(dateValue);
}
}
else if (TIME.equals(type) || TIME_WITH_TIME_ZONE.equals(type)) {
Time timeValue = resultSet.getTime(i);
if (resultSet.wasNull()) {
row.add(null);
}
else {
row.add(timeValue);
}
}
else if (TIMESTAMP.equals(type) || TIMESTAMP_WITH_TIME_ZONE.equals(type)) {
Timestamp timestampValue = resultSet.getTimestamp(i);
if (resultSet.wasNull()) {
row.add(null);
}
else {
row.add(timestampValue);
}
}
else if (UNKNOWN.equals(type)) {
Object objectValue = resultSet.getObject(i);
checkState(resultSet.wasNull(), "Expected a null value, but got %s", objectValue);
row.add(null);
}
else {
throw new AssertionError("unhandled type: " + type);
}
}
return new MaterializedRow(MaterializedResult.DEFAULT_PRECISION, row);
}
};
}
private static void insertRows(ConnectorTableMetadata tableMetadata, Handle handle, RecordSet data)
{
List<ColumnMetadata> columns = ImmutableList.copyOf(Iterables.filter(tableMetadata.getColumns(), new Predicate<ColumnMetadata>()
{
@Override
public boolean apply(ColumnMetadata columnMetadata)
{
return !columnMetadata.isHidden();
}
}));
String vars = Joiner.on(',').join(nCopies(columns.size(), "?"));
String sql = format("INSERT INTO %s VALUES (%s)", tableMetadata.getTable().getTableName(), vars);
RecordCursor cursor = data.cursor();
while (true) {
// insert 1000 rows at a time
PreparedBatch batch = handle.prepareBatch(sql);
for (int row = 0; row < 1000; row++) {
if (!cursor.advanceNextPosition()) {
batch.execute();
return;
}
PreparedBatchPart part = batch.add();
for (int column = 0; column < columns.size(); column++) {
Type type = columns.get(column).getType();
if (BOOLEAN.equals(type)) {
part.bind(column, cursor.getBoolean(column));
}
else if (BIGINT.equals(type)) {
part.bind(column, cursor.getLong(column));
}
else if (DOUBLE.equals(type)) {
part.bind(column, cursor.getDouble(column));
}
else if (VARCHAR.equals(type)) {
part.bind(column, cursor.getSlice(column).toStringUtf8());
}
}
}
batch.execute();
}
}
}