/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.phoenix.compile;
import java.sql.ParameterMetaData;
import java.sql.SQLException;
import java.util.Collections;
import java.util.List;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.phoenix.exception.SQLExceptionCode;
import org.apache.phoenix.exception.SQLExceptionInfo;
import org.apache.phoenix.execute.MutationState;
import org.apache.phoenix.expression.LiteralExpression;
import org.apache.phoenix.jdbc.PhoenixConnection;
import org.apache.phoenix.jdbc.PhoenixStatement;
import org.apache.phoenix.parse.CreateTableStatement;
import org.apache.phoenix.parse.ParseNode;
import org.apache.phoenix.schema.MetaDataClient;
public class CreateTableCompiler {
private final PhoenixStatement statement;
public CreateTableCompiler(PhoenixStatement statement) {
this.statement = statement;
}
public MutationPlan compile(final CreateTableStatement create) throws SQLException {
final PhoenixConnection connection = statement.getConnection();
final ColumnResolver resolver = FromCompiler.getResolver(create, connection);
Scan scan = new Scan();
final StatementContext context = new StatementContext(create, connection, resolver, statement.getParameters(), scan);
ExpressionCompiler expressionCompiler = new ExpressionCompiler(context);
List<ParseNode> splitNodes = create.getSplitNodes();
final byte[][] splits = new byte[splitNodes.size()][];
for (int i = 0; i < splits.length; i++) {
ParseNode node = splitNodes.get(i);
if (!node.isConstant()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.SPLIT_POINT_NOT_CONSTANT)
.setMessage("Node: " + node).build().buildException();
}
LiteralExpression expression = (LiteralExpression)node.accept(expressionCompiler);
splits[i] = expression.getBytes();
}
final MetaDataClient client = new MetaDataClient(connection);
return new MutationPlan() {
@Override
public ParameterMetaData getParameterMetaData() {
return context.getBindManager().getParameterMetaData();
}
@Override
public MutationState execute() throws SQLException {
return client.createTable(create, splits);
}
@Override
public ExplainPlan getExplainPlan() throws SQLException {
return new ExplainPlan(Collections.singletonList("CREATE TABLE"));
}
@Override
public PhoenixConnection getConnection() {
return connection;
}
};
}
}