可以使兩個SQLS原子通過使用類似于下面的代碼的東西。這保證了全部或沒有規則。

public boolean insertIntimationDetails(StockForm ofform) {

boolean status = false;

PreparedStatement pst = null;

Connection conn = null;

Statement stat = null;

try {

System.out.println("Inside insertIntimationDetails ");

String query = " update purchase_details set intimation_quantity = ? where temple=? and Stock_name=? ";

System.out.println(query);

conn = getConnection();

conn.setAutoCommit(false); // Disable Auto Commit

System.out.println(query);

pst = conn.prepareStatement(query);

System.out.println(ofform.getIntimationQuantity());

pst.setString(2, ofform.getForTemple());

pst.setString(3, ofform.getStockName());

pst.setLong(1, ofform.getIntimationQuantity());

int rows = pst.executeUpdate();

if (rows > 0) {

status = true;

}

stat = conn.createStatement();

boolean status2 = stat

.execute("Insert into item_details(stock_name,temple,quantity) SELECT a.stock_name, a.temple, SUM(Case when Type='purchase' then quantity else (quantity*-1) End) AS quantity FROM purchase_details a GROUP BY a.stock_name, a.temple");

if (status && status2) {

conn.commit();

} else {

conn.rollback();

}

} catch (Exception e) {

e.printStackTrace();

conn.rollback();

} finally {

try {

if (pst != null)

pst.close();

if (stat != null)

stat.close();

if (conn != null)

conn.close();

} catch (Exception e2) {

e2.printStackTrace();

}

}

return status;

}

總結

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