/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.sql.optimizer.plan;
import com.foundationdb.sql.StandardException;
import com.foundationdb.sql.parser.DMLStatementNode;
import com.foundationdb.sql.parser.ParameterNode;
import com.foundationdb.sql.unparser.NodeToString;
import com.foundationdb.server.types.TInstance;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Objects;
import java.util.List;
/** A parsed (and type-bound, normalized, etc.) SQL query.
*/
public class AST extends BasePlanNode
{
private DMLStatementNode statement;
private List<ParameterNode> parameters;
public AST(DMLStatementNode statement, List<ParameterNode> parameters) {
this.statement = statement;
this.parameters = parameters;
}
public DMLStatementNode getStatement() {
return statement;
}
public List<ParameterNode> getParameters() {
return parameters;
}
@Override
public boolean accept(PlanVisitor v) {
return v.visit(this);
}
@Override
public String summaryString() {
StringBuilder str = new StringBuilder(super.summaryString());
str.append("(");
try {
str.append(new NodeToString().toString(statement));
}
catch (StandardException ex) {
}
str.append(")");
return str.toString();
}
@Override
protected void deepCopy(DuplicateMap map) {
super.deepCopy(map);
// Do not copy AST.
}
public String formatParameterTypes() {
if ((parameters == null) || parameters.isEmpty())
return "";
String[] types = new String[parameters.size()];
int len = 0;
for (ParameterNode parameter : parameters) {
int pos = parameter.getParameterNumber();
if (len < pos + 1)
len = pos + 1;
TInstance type = (TInstance)parameter.getUserData();
if (type != null) {
types[pos] = type.toStringConcise(true);
}
else {
types[pos] = Objects.toString(parameter.getType());
}
}
return Arrays.toString(Arrays.copyOf(types, len)) + "\n";
}
}