首页 > 数据库 > > GaussDB100 JDBC批量执行
Oracle &高斯支持批量执行一条DML,绑定多个参数:
PreparedStatement ps =
conn.prepareStatement("insert into t1 (f_int1, f_varchar1, f_varchar2) values (?, ?, ?)");
StringBuilder sb = new StringBuilder(500);
for (int i = 0; i < 500; i++) {
sb.append('A');
}
String varcharStr = sb.toString();
for (int i = 0; i < 2000; i++) {
ps.setInt(1, i);
ps.setString(2, varcharStr);
ps.setString(3, varcharStr);
ps.addBatch();
}
ps.executeBatch();
Oracle支持批量执行多条DML,不使用绑定参数,高斯不支持:
for (int i = 0; i < 2000; i++) {
ps.addBatch("insert into t1 (f_int1) values (" + i + ")");
}
ps.executeBatch();
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/69959250/viewspace-3168163/ ,如需转载,请注明出处,否则将追究法律责任。