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/*
* Copyright 2012 Alex Telepov.
* Copyright 2012 James Moger.
*
* 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.iciql;
/**
* MS SQL Server database dialect.
*/
public class SQLDialectMSSQL extends SQLDialectDefault {
@Override
public String extractColumnName(String name) {
return super.extractColumnName(name).replace('[', ' ').replace(']', ' ').trim();
}
/**
* Append limit and offset rows
*
* @param stat Statement
* @param limit Limit rows
* @param offset Offset rows
*/
@Override
public void appendLimitOffset(SQLStatement stat, long limit, long offset) {
if (offset > 0) {
throw new IciqlException("iciql does not support offset for MSSQL dialect!");
}
StringBuilder query = new StringBuilder(stat.getSQL());
// for databaseVersion >= 2012 need Offset
if (limit > 0) {
int indexSelect = query.indexOf("SELECT");
if (indexSelect >= 0) {
StringBuilder subPathQuery = new StringBuilder(" TOP ");
subPathQuery.append(Long.toString(limit));
query.insert(indexSelect + "SELECT".length(), subPathQuery);
stat.setSQL(query.toString());
}
}
}
}
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