resultset Questions
7
Solved
I have this code:
$rows = array();
$res = mysql_query($someQuery);
if(!mysql_errno())
while($row = mysql_fetch_assoc($res))
$rows[] = $row;
$someQuery is an arbitrary query that I write in to...
3
Solved
I'm using CodeIgniter's active record class and the query looks something like this:
$query = $this->db
->get_where('Table', array('field' => $value));
What's the fastest way to get a fi...
Schulze asked 6/12, 2010 at 23:19
2
Solved
I'm thinking about efficiency, and I'm not really sure about it one way or another.
But I have a bunch of rows with multiple columns. I just need the name field from all the rows where a certain ot...
Gand asked 8/8, 2012 at 22:34
8
Solved
As the ResultSet contains the data returned from the dynamic SQL, if there are any method to determine if the ResultSet contains a particular column name?
For example , if I run rs.getString("...
16
Solved
Shouldn't this be a pretty straightforward operation? However, I see there's neither a size() nor length() method.
Unicellular asked 10/10, 2008 at 16:12
5
In Java, I have a query like this:
String querystring1= "SELECT rlink_id, COUNT(*)"
+ "FROM dbo.Locate "
+ "GROUP BY rlink_id ";
The table rlink_id has this data:
Sid lid
3 2
4 4
7 3
9 1
...
3
Solved
I have the following:
$counter = 1;
while ($row = mysql_fetch_assoc($result)) {
$counter2 = $counter++;
echo $counter2 . $row['foo'];
}
Is there an easier way to get 1,2,3 etc for each result o...
Shopper asked 22/5, 2011 at 10:35
3
Solved
How can I iterate ResultSet ? I've tried with the following code, but i get the error java.sql.SQLException: Illegal operation on empty result set.
while ( !rs.isLast()) {
rs.next();
int id = r...
13
We are currently building a Map manually based on the two fields that are returned by a named JPA query because JPA 2.1 only provides a getResultList() method:
@NamedQuery{name="myQuery",query="se...
Callas asked 6/12, 2010 at 22:0
15
Solved
The following code converts a ResultSet to a JSON string using JSONArray and JSONObject.
import org.json.JSONArray;
import org.json.JSONObject;
import org.json.JSONException;
import java.sql.SQLE...
9
Solved
I'm using a ResultSet in Java, and am not sure how to properly close it. I'm considering using the ResultSet to construct a HashMap and then closing the ResultSet after that. Is this HashMap techni...
Rociorock asked 21/9, 2011 at 21:50
3
I am trying to get a list of users, who submitted a specific event in a website, however when I run the query, I am not getting the full result set - for example, I found 2 users who had the event ...
11
Solved
I have a user class that has 16 attributes, things such as firstname, lastname, dob, username, password etc... These are all stored in a MySQL database and when I want to retrieve users I use a Res...
4
Is there any way I can get resultset object from one of jdbctemplate query methods?
I have a code like
List<ResultSet> rsList = template.query(finalQuery, new RowMapper<ResultSet>() {...
Mead asked 15/3, 2011 at 15:36
5
Solved
I'm not entirely sure this is possible, and I definitely don't know what to search or how to concisely explain it, but this seems like quite a kotlin-y thing which I wouldn't be surprised if it was...
3
Solved
I am trying to get the row count of a result set by:
rs.last();
int row_count = rs.getRow();
but im getting an Invalid operation for forward only resultset : last error. The result set is gettin...
5
Solved
I have been doing CRUD operation on database, but i could not find any direct method for the getting the data type char in database.
Though i achieved the output using the getString(String column_...
5
Solved
ResultSet#getBoolean seems to return false when it's null.
Is there an easy way to get a Boolean (not boolean) from a ResultSet?
6
Solved
I have two columns which store DateTime values in a MySql database,
When I try to get them from a ResultSet in Java there is no option:
getDateTime()
Should I use getDate() or wouldn't that work...
7
Solved
Is "ResultSet" considered to be an ArrayList? I'm talking about jdbc. If no, then
how do I put the information i get from my DB using the
while (result.next()) {
....
}
syntax into an ArrayLis...
3
This is how I get one record with MySQLi:
$result = $db->query("...");
$image = $result->fetch_object();
Now I need to get the comments and pass it to the view. I'm using the follo...
13
Solved
In Java I'm trying to test for a null value, from a ResultSet, where the column is being cast to a primitive int type.
int iVal;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs....
13
Solved
I'm developing a php app that uses a database class to query MySQL.
The class is here: http://net.tutsplus.com/tutorials/php/real-world-oop-with-php-and-mysql/*note there are multiple bad practices...
16
Solved
9
Solved
I have a sql statement that returns no hits. For example, 'select * from TAB where 1 = 2'.
I want to check how many rows are returned,
cursor.execute(query_sql)
rs = cursor.fetchall()
Here I ...
Lorsung asked 15/5, 2013 at 9:26
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