com.jn.sqlhelper.dialect.internal.HawqDialect Maven / Gradle / Ivy
/*
* Copyright 2019 the original author or authors.
*
* Licensed under the LGPL, Version 3.0 (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.gnu.org/licenses/lgpl-3.0.html
*
* 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.jn.sqlhelper.dialect.internal;
import com.jn.sqlhelper.dialect.internal.limit.LimitOffsetLimitHandler;
/**
* http://hawq.apache.org/docs/userguide/2.3.0.0-incubating/reference/sql/SELECT.html
*
* SELECT [ALL | DISTINCT [ON ( [, ...])]]
* | [[AS] ] [, ...]
* [FROM [, ...]]
* [WHERE ]
* [GROUP BY [, ...]]
* [HAVING [, ...]]
* [WINDOW AS ()]
* [{UNION | INTERSECT | EXCEPT} [ALL]