选择查询中出现Android错误
以下是导致问题的数据库方法:选择查询中出现Android错误,android,android-sqlite,Android,Android Sqlite,以下是导致问题的数据库方法: public Cursor fetchRecord(String pin,String category)throws SQLException { Cursor c=mDb.query(DATABASE_TABLE, new String[] {KEY_ROWID,KEY_NAME,KEY_PHONE,KEY_CATEGORY,KEY_PINCODE}, KEY_PINCODE + "= ?" + "AND" + KEY_CATEGORY + "= ?", n
public Cursor fetchRecord(String pin,String category)throws SQLException
{
Cursor c=mDb.query(DATABASE_TABLE, new String[]
{KEY_ROWID,KEY_NAME,KEY_PHONE,KEY_CATEGORY,KEY_PINCODE},
KEY_PINCODE + "= ?" + "AND" + KEY_CATEGORY + "= ?",
new String[]{pin,category}, null, null, KEY_NAME);
if (c!= null) {
c.moveToFirst();
}
return c;
}
每当我在第一个活动中输入并单击go按钮时,它就会强制关闭
原木猫说:
Caused by: android.database.sqlite.SQLiteException: near "ANDcategory": syntax error: , while compiling: SELECT _id, name, phone, category, pincode FROM details WHERE pincode= ?ANDcategory= ? ORDER BY name
阅读例外情况,它告诉您需要知道的一切:
syntax error: , while compiling: SELECT _id, name, phone, category, pincode FROM details WHERE pincode= ?ANDcategory= ? ORDER BY name
在where子句中,pincode和category之间必须有空格 简单地替换
"AND"
与
" AND "
public Cursor fetchRecord(String pin,String category)throws SQLException
{
Cursor c=mDb.query(DATABASE_TABLE, new String[]
{KEY_ROWID,KEY_NAME,KEY_PHONE,KEY_CATEGORY,KEY_PINCODE},
KEY_PINCODE + "= ?" +
" AND " + KEY_CATEGORY + "= ?",new String[]{pin,category}, null, null, KEY_NAME);
if (c!= null) {
c.moveToFirst();
}
return c;
}