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2023-04-14 cc0cbfc79a34e1b106fdb998450cd2ad03446126

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package com.mandi.common;
 
import java.util.List;
 
import org.hibernate.QueryException;
import org.hibernate.dialect.MySQLDialect;
import org.hibernate.dialect.function.SQLFunction;
import org.hibernate.dialect.function.StandardSQLFunction;
import org.hibernate.engine.spi.Mapping;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.Type;
 
 
public class Custommysqldialect extends MySQLDialect{
    protected void registerVarcharTypes(){
        registerFunction("group_concat", new StandardSQLFunction("group_concat"));
        registerFunction("bitand", new SQLFunction() {
            
            @Override
            public String render(Type arg0, List arg1, SessionFactoryImplementor arg2)
                    throws QueryException {
                if(arg1.size()>1)
                {
                    return arg1.get(0).toString()+"&"+arg1.get(1).toString();
                }
                return "";
            }
            
            @Override
            public boolean hasParenthesesIfNoArguments() {
                return true;
            }
            
            @Override
            public boolean hasArguments() {
                return true;
            }
            
            @Override
            public Type getReturnType(Type arg0, Mapping arg1) throws QueryException {
                return StandardBasicTypes.INTEGER;
            }
        });
    }
}