/*
* Copyright 1999-2017 Alibaba Group Holding Ltd.
*
* 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.alibaba.druid.sql.dialect.oracle.ast.stmt;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.statement.SQLExprTableSource;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.FlashbackQueryClause;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.PartitionExtensionClause;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.SampleClause;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
public class OracleSelectTableReference extends SQLExprTableSource implements OracleSelectTableSource {
private boolean only = false;
protected OracleSelectPivotBase pivot;
protected PartitionExtensionClause partition;
protected SampleClause sampleClause;
protected FlashbackQueryClause flashback;
public OracleSelectTableReference(){
}
public FlashbackQueryClause getFlashback() {
return flashback;
}
public void setFlashback(FlashbackQueryClause flashback) {
this.flashback = flashback;
}
public PartitionExtensionClause getPartition() {
return partition;
}
public void setPartition(PartitionExtensionClause partition) {
this.partition = partition;
}
public boolean isOnly() {
return this.only;
}
public void setOnly(boolean only) {
this.only = only;
}
public SampleClause getSampleClause() {
return sampleClause;
}
public void setSampleClause(SampleClause sampleClause) {
this.sampleClause = sampleClause;
}
public OracleSelectPivotBase getPivot() {
return pivot;
}
public void setPivot(OracleSelectPivotBase pivot) {
this.pivot = pivot;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
this.accept0((OracleASTVisitor) visitor);
}
protected void accept0(OracleASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, this.expr);
acceptChild(visitor, this.partition);
acceptChild(visitor, this.sampleClause);
acceptChild(visitor, this.pivot);
}
visitor.endVisit(this);
}
public void output(StringBuffer buf) {
if (this.only) {
buf.append("ONLY (");
this.expr.output(buf);
buf.append(")");
} else {
this.expr.output(buf);
}
if (this.pivot != null) {
buf.append(" ");
this.pivot.output(buf);
}
if ((this.alias != null) && (this.alias.length() != 0)) {
buf.append(this.alias);
}
}
public String toString () {
return SQLUtils.toOracleString(this);
}
}