com.jn.sqlhelper.dialect.internal.GBaseDialect Maven / Gradle / Ivy

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/*
 * 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.langx.annotation.Name;
import com.jn.sqlhelper.common.ddl.SQLSyntaxCompatTable;
import com.jn.sqlhelper.dialect.annotation.SyntaxCompat;
import com.jn.sqlhelper.dialect.internal.limit.LimitCommaLimitHandler;
import com.jn.sqlhelper.dialect.likeescaper.BackslashStyleEscaper;

/**
 * http://www.gbase.cn/download/&pageNo=4&pageSize=10.html
 * MySQL Syntax Compatible
 * 适应于 GBase 8a
 */
@Name("gbase")
@SyntaxCompat(SQLSyntaxCompatTable.MYSQL)
public class GBaseDialect extends AbstractDialect {
    public GBaseDialect() {
        super();
        setLimitHandler(new LimitCommaLimitHandler());
        setLikeEscaper(new BackslashStyleEscaper(true));
    }

    @Override
    public boolean isSupportsLimit() {
        return true;
    }

    @Override
    public boolean isSupportsLimitOffset() {
        return true;
    }

    @Override
    public char getBeforeQuote() {
        return '`';
    }

    @Override
    public char getAfterQuote() {
        return '`';
    }
}