com.shulie.druid.sql.dialect.odps.ast.OdpsStatisticClause Maven / Gradle / Ivy
/*
* 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.shulie.druid.sql.dialect.odps.ast;
import com.shulie.druid.sql.ast.SQLExpr;
import com.shulie.druid.sql.ast.SQLName;
import com.shulie.druid.sql.dialect.odps.visitor.OdpsASTVisitor;
public abstract class OdpsStatisticClause extends OdpsObjectImpl {
public static abstract class ColumnStatisticClause extends OdpsStatisticClause {
protected SQLName column;
public SQLName getColumn() {
return column;
}
public void setColumn(SQLName column) {
if (column != null) {
column.setParent(this);
}
this.column = column;
}
}
public static class NullValue extends ColumnStatisticClause {
@Override
public void accept0(OdpsASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, column);
}
visitor.endVisit(this);
}
}
public static class ColumnSum extends ColumnStatisticClause {
@Override
public void accept0(OdpsASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, column);
}
visitor.endVisit(this);
}
}
public static class ColumnMin extends ColumnStatisticClause {
@Override
public void accept0(OdpsASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, column);
}
visitor.endVisit(this);
}
}
public static class DistinctValue extends ColumnStatisticClause {
@Override
public void accept0(OdpsASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, column);
}
visitor.endVisit(this);
}
}
public static class ColumnMax extends ColumnStatisticClause {
@Override
public void accept0(OdpsASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, column);
}
visitor.endVisit(this);
}
}
public static class ExpressionCondition extends OdpsStatisticClause {
private SQLExpr expr;
public SQLExpr getExpr() {
return expr;
}
public void setExpr(SQLExpr expr) {
if (expr != null) {
expr.setParent(this);
}
this.expr = expr;
}
@Override
public void accept0(OdpsASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, expr);
}
visitor.endVisit(this);
}
}
public static class TableCount extends OdpsStatisticClause {
@Override
public void accept0(OdpsASTVisitor visitor) {
if (visitor.visit(this)) {
}
visitor.endVisit(this);
}
}
}