紫晶中的tb_battmap_information表中添加stationName3字段

whyclj

2019-12-02 90c0fe3cc6fae4fd252c6ad1cbf5a30a3f557b70

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package com.dev.fbs9100; 
 
import java.sql.ResultSet; 
import java.sql.SQLException; 
import com.sql.MysqlConnPool; 
import com.sql.Sql_Mysql; 
 
public class FBS9100S_DFU_SQL { 
    /***************************************************************************/ 
    public static final int DFU_STATE_NULL = 0; 
    public static final int DFU_STATE_WRITE = 1; 
    public static final int DFU_STATE_READ = 2; 
    public static final int DFU_STATE_CHECK_OK = 3; 
    /***************************************************************************/ 
    /** 
     * ´´½¨ tb_fbs9100s_dfu ±í²¢ÇÒ½«É豸idºÍÉ豸ip²åÈëµ½±íÖÐ 
     * @param con_pool 
     * @param al_param 
     */ 
    public static void createFBS9100S_DFU_TableOnRam(MysqlConnPool con_pool,boolean recreate_tb) 
    { 
        String str1 = "DROP TABLE IF EXISTS " + Sql_Mysql.FBS9100S_DFUState_Table; 
        String str2 = "CREATE TABLE IF NOT EXISTS " + Sql_Mysql.FBS9100S_DFUState_Table 
                    + " ( `num` BIGINT NOT NULL AUTO_INCREMENT, " 
                    + "`dev_id` BIGINT NOT NULL DEFAULT 0, " 
                    + "`sysVersion_new` INT NOT NULL DEFAULT 0, " 
                    + "`softVersion_new` INT NOT NULL DEFAULT 0, " 
                    + "`sysVersion_dev` INT NOT NULL DEFAULT 0, " 
                    + "`softVersion_dev` INT NOT NULL DEFAULT 0, " 
                    + "`dfu_file` varchar(200) NOT NULL DEFAULT '  ', " 
                    + "`dfu_en` BOOLEAN NOT NULL DEFAULT false, " 
                    + "`dfu_wr_stat` INT NOT NULL DEFAULT 0, " 
                    + "`dfu_data_blocknum` INT NOT NULL DEFAULT 0, " 
                    + "`dfu_data_blocklen` INT NOT NULL DEFAULT 256, " 
                    + "`dfu_password` varchar(100) NOT NULL DEFAULT '  ', " 
                    + "`dfu_file_len` INT NOT NULL DEFAULT 0," 
                    + " UNIQUE INDEX index_dev_id_uniq (`dev_id`), " 
                    + " PRIMARY KEY (`num`) ) " 
                    + " ENGINE=MEMORY DEFAULT CHARSET=utf8"; 
         
        Sql_Mysql sql = new Sql_Mysql(con_pool.getConn()); 
        try { 
            if(recreate_tb) { 
                sql.sqlMysqlExecute(str1); 
            } 
            sql.sqlMysqlExecute(str2); 
             
             
            String sql_str3 = " SELECT * FROM information_schema.columns  " 
                            + " WHERE table_schema= 'db_ram_db' " 
                            + " AND table_name='tb_fbs9100s_DFU_state' " 
                            + " AND column_name='dfu_file_len'"; 
            //System.out.println(sql_str3); 
            ResultSet rs = sql.sqlMysqlQuery(sql_str3); 
            if(false == rs.next()) { 
                sql.sqlMysqlExecute("ALTER TABLE " + Sql_Mysql.FBS9100S_DFUState_Table  
                                + " ADD COLUMN dfu_file_len int not null DEFAULT 0" +  
                                ""); 
            } 
        } catch (SQLException e) { 
            e.printStackTrace(); 
        } finally { 
            sql.close_con(); 
        } 
    } 
     
    public static void main(String[] args) { 
        MysqlConnPool conn_pool = new MysqlConnPool("127.0.0.1",3360,5); 
        createFBS9100S_DFU_TableOnRam(conn_pool,false); 
    } 
}