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package com.easy.query.mssql.func;

import com.easy.query.core.expression.parser.core.available.TableAvailable;
import com.easy.query.core.func.column.ColumnExpression;
import com.easy.query.core.func.def.AbstractExpressionSQLFunction;
import com.easy.query.core.util.EasyCollectionUtil;

import java.util.List;

/**
 * create time 2023/12/21 11:58
 * 文件说明
 *
 * @author xuejiaming
 */
public class MsSQLDateTimePlusMonthSQLFunction extends AbstractExpressionSQLFunction {
    private final List columnExpressions;

    public MsSQLDateTimePlusMonthSQLFunction(List columnExpressions) {

        this.columnExpressions = columnExpressions;
    }

    @Override
    public String sqlSegment(TableAvailable defaultTable) {
        if(EasyCollectionUtil.isEmpty(columnExpressions)){
            throw new IllegalArgumentException("columnExpressions is empty");
        }
        return "dateadd(month, {1}, {0})";
    }

    @Override
    public int paramMarks() {
        return columnExpressions.size();
    }

    @Override
    protected List getColumnExpressions() {
        return columnExpressions;
    }

}