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出于某种原因,更新方法不会更改我的SQLite数据库值!为什么?SQLite更新方法有什么问题?
for (int go = 0; go < assignmentList.size(); go++) {
dateBefore = assignmentList.get(go).assignmentDate;
assDaysUntilDue = assignmentList.get(go).assignmentDaysUntilDue;
daysElapsed = dateNow - dateBefore;
newDays = assDaysUntilDue - daysElapsed;
ContentValues values = new ContentValues();
values.put(DBRecordsLayer.ASSIGNMENT_DAYS_UNTIL_DUE, 1);
dataBase.update(DBRecordsLayer.ASSIGNMENT_TABLE, values, DBRecordsLayer.ASSIGNMENT_NUM + " = " + go, null);
//在这里^^刚才值更改为1的情况下,变量给人的问题, //但是,即使这并没有给我的1值向下列 //第二个尝试更改值...
dataBase.execSQL("UPDATE " + DBRecordsLayer.ASSIGNMENT_TABLE + " SET " + DBRecordsLayer.ASSIGNMENT_ENTRY_DATE + " = " +
dateNow + " WHERE " + DBRecordsLayer.ASSIGNMENT_NUM + " = " + go + ";");
dataBase.execSQL("UPDATE " + DBRecordsLayer.ASSIGNMENT_TABLE + " SET " + DBRecordsLayer.ASSIGNMENT_DAYS_UNTIL_DUE + " = " +
newDays + " WHERE " + DBRecordsLayer.ASSIGNMENT_NUM + " = " + go + ";");
}
'WHERE datefield = 2014-01-24'不会最终结束...... –
没有记录,其中assignment_num列具有与'go'相同的值(或相同类型)。 –
“WHERE”+ DBRecordsLayer.ASSIGNMENT_NUM +“=”+ go是不是这个? – AlleyOOP