[英]insert row having auto increment column
我的表具有ID列,該列是主鍵並自動遞增,我正在嘗試使用Java(jdbc)這樣插入一行
Class.forName("com.mysql.jdbc.Driver");
Connection con1=DriverManager.getConnection("jdbc:mysql://localhost:3309/ikpems","root","system");
Statement st1=con1.createStatement();
st1.execute("insert into energymetersdata values('20_lab5a_daicel_20_kwh','06-02-2017 12:02:13','8422587','1','42772501540.0694')");
但是我遇到了錯誤:
java.sql.SQLException: Column count doesn't match value count at row 1
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:946)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2985)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)
誰能幫我把這個插入..
使用insert
,應始終明確列出所有列(除非您真的知道自己在做什么):
insert into energymetersdata(col1, col2, col3, col4, col5)
values('20_lab5a_daicel_20_kwh', '06-02-2017 12:02:13', '8422587', '1', '42772501540.0694')");
您還應該將日期時間設置為ISO標准格式,並且無需在數字列中引用數字值:
insert into energymetersdata(col1, col2, col3, col4, col5)
values('20_lab5a_daicel_20_kwh', '2016-02-06 12:02:13', 8422587, 1, 42772501540.0694)");
最后,即使我強烈反對,您也可以做自己想做的事情:
insert into energymetersdata
values(DEFAULT, '20_lab5a_daicel_20_kwh', '2016-02-06 12:02:13', 8422587, 1, 42772501540.0694)");
但是正確的方法是:
嘗試像這樣更改您的Query_String
String Query_String = "INSERT INTO tablename(field1,field2) VALUES ('"+Text1+"','"+Text2+"')";
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