com.vnet.demo.hibernate.support.SQLServerNativeDialect.java Source code

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Here is the source code for com.vnet.demo.hibernate.support.SQLServerNativeDialect.java

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/*
 * Copyright (c) 2015-2020, Chen Rui
 *
 * 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.vnet.demo.hibernate.support;

import java.sql.Types;

import org.hibernate.HibernateException;
import org.hibernate.dialect.SQLServer2008Dialect;
import org.hibernate.type.StandardBasicTypes;

public class SQLServerNativeDialect extends SQLServer2008Dialect {

    public SQLServerNativeDialect() {
        super();
        registerColumnType(Types.CHAR, "nchar(1)");
        registerColumnType(Types.LONGVARCHAR, "nvarchar(max)");
        registerColumnType(Types.VARCHAR, 4000, "nvarchar($l)");
        registerColumnType(Types.VARCHAR, "nvarchar(max)");
        registerColumnType(Types.CLOB, "nvarchar(max)");

        registerColumnType(Types.NCHAR, "nchar(1)");
        registerColumnType(Types.LONGNVARCHAR, "nvarchar(max)");
        registerColumnType(Types.NVARCHAR, 4000, "nvarchar($l)");
        registerColumnType(Types.NVARCHAR, "nvarchar(max)");
        registerColumnType(Types.NCLOB, "nvarchar(max)");

        registerHibernateType(Types.NCHAR, StandardBasicTypes.CHARACTER.getName());
        registerHibernateType(Types.LONGNVARCHAR, StandardBasicTypes.TEXT.getName());
        registerHibernateType(Types.NVARCHAR, StandardBasicTypes.STRING.getName());
        registerHibernateType(Types.NCLOB, StandardBasicTypes.CLOB.getName());

    }

    public String getTypeName(int code, int length, int precision, int scale) throws HibernateException {
        if (code != 2005) {
            return super.getTypeName(code, length, precision, scale);
        } else {
            return "ntext";
        }
    }

}