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从sqlite数据库删除后有空行,并将下一行数据记录到空行后的下一行。如何解决这个问题?在我删除一些瘦所有工作正确之前,但删除后,我有这个问题。从sqlite数据库删除后有一个空行
private static final String DB_CREATE =
"create table " + DB_TABLE + "(" +
COLUMN_ID + " integer primary key autoincrement, " +
COLUMN_NAME + " text, " +
COLUMN_TIME + " text, " +
COLUMN_RAW_TIME + " integer " +
");";
用于删除我使用:
//method which called delRec from DB class
public boolean onContextItemSelected(MenuItem item) {
if (item.getItemId() == CM_DELETE_ID) {
AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) item
.getMenuInfo();
db.delRec(acmi.id);
getSupportLoaderManager().getLoader(0).forceLoad();
}
else if (item.getItemId() == RESET_STOPWATCH){
AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) item
.getMenuInfo();
db.resetTime(Long.toString(acmi.id));
getSupportLoaderManager().getLoader(0).forceLoad();
}
return super.onContextItemSelected(item);
}
// delete
public void delRec(long id) {
//mDB.delete(DB_TABLE, COLUMN_ID + " = " + id, null);
mDB.execSQL("DELETE FROM mytab WHERE _id = " + id);
}
用于添加:
public void addRec(String txt, String txt2, long time) {
ContentValues cv = new ContentValues();
cv.put(COLUMN_TIME, txt2);
cv.put(COLUMN_NAME, txt);
cv.put(COLUMN_RAW_TIME, time);
mDB.insert(DB_TABLE, null, cv);
考虑在问题中添加一些细节,例如代码。 – laalto
准确地写下你想要删除的代码和你得到的空白行。 – ved
提供一些代码 – Piyush