判断sqlite 是否存在表

发布时间：2020-12-12 19:30:37 所属栏目：百科来源：网络整理

导读：判断sqlite 是否存在表 Cursor cursor = null; try { boolean result = false; String sql = "select count(*) as c from sqlite_master where type ='table' and name ='" + tabName.trim() + "' "; cursor = db.rawQuery(sql,null); if (cursor.moveToNext

判断sqlite 是否存在表

Cursor cursor = null;  
    try {  
    boolean result = false;
        String sql = "select count(*) as c from sqlite_master where type ='table' and name ='" + tabName.trim() + "' ";  
        cursor = db.rawQuery(sql,null);  
        if (cursor.moveToNext()) {  
            int count = cursor.getInt(0);  
            if (count > 0) {  
                result = true;  
            }  
        }  

    } catch (Exception e) {  
        // TODO: handle exception  
    }

（编辑：李大同）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!