package cn.com.tenlion.mapper;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;
import java.util.Map;

@Mapper
public interface IAppMapper {

    @Select("SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = #{tableName}")
    String checkTableExists(String tableName);

    @Select("SELECT COLUMN_NAME, DATA_TYPE, IS_NULLABLE, COLUMN_DEFAULT FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'PUBLIC' AND TABLE_NAME = #{tableName}")
    List<Map<String, String>> getTableDescribe(String tableName);

    @Update("${createTableSql}")
    void updateSql(String createTableSql);

}