Help with Unique Key Insert!!!
I need help with this <<removed by moderator>>
When i try to do an insert "A" into a DB table, the transaction fills the info on creation mode, but is not doing the same at modification mode.
Here i send the insert, i don't if the problems comes from sintaxis:
INSERT zpsprctr_det FROM TABLE it_planif ACCEPTING DUPLICATE KEYS.
tabal base datos es la zpsprctr_det
Any ideas please let me know
Moderator Message: Gun-to-the-head-deadline removed
Edited by: kishan P on Mar 31, 2011 12:24 PM
Hi,
with
INSERT dbtable FROM TABLE itab ACCEPTING DUPLICATE KEYS.
you will insert several lines in a database table from an internal table. Duplicate keys are ignored, the 1st entry is written.
To update them, you should use
MODIFY dbtable FROM TABLE itab.
This updates all lines that are existing or inserts all lines that are still missing. If you have duplicate keys here, the last entry will do the last update.
Regards,
Klaus
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Tim MowlemUse the [url http://forum.java.sun.com/help.jspa?sec=formatting]Code Formatting Tags so the posted code retains its original formatting.
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Go through a large document in which each line is formatted as: (String Integer), and add the string & integer to some sort of data structure. The list of string/integers is large and I need to be able to access the information in the data structure efficiently. Right now I am using a scanner to read the doc and a TreeMap<String, Integer> to store the info. The get method for the TreeMap is fine, but processing the document is a little slow.
What do you think? TreeMap, hashing, balanced search tree? Remember, the insert and get methods are the two that need to be most efficient.Why are you using a TreeMap? Is the order of iteration important to you?
If not, then you can probably get better performance using a HashMap, properly configured. The TreeMap has O(n) performance for get/put. while HashMap has constant-time performance. If you properly configure the initialCapacity and loadFactor for the HashMap you can get very efficient puts by reducing the number of re-hashes that are needed during map-growth. Note that if you retrieve the data from the Map using an iterator (rather than just calling get()) then you have to be more careful with these settings because they affect the total number of buckets - which can affect the speed of iteration.
You should also run your code through a profiler. Are you sure that the put() operation is the slow step when reading from the file? It may be that your file access is really the slow step, and so modifying the data structure would have little or no effect. You might consider different methods for accessing the file data, perhaps something from thew NIO package would help speed things up (I am not particularly sure though - I am not very familiar with NIO). -
Help with On key press and Frame
Hi everybody,
I have been trying to make this work but not able to. It would be of great help if u can tell where i am going wrong. Here is my code ( it is prety small) :
I am trying to draw a random line when i do a keypress on the text field.
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
public class KeyPress extends Frame{
Label label;
TextField txtField;
public static void main(String[] args) {
KeyPress k = new KeyPress();
public KeyPress(){
super("Key Press Event Frame");
Panel panel = new Panel();
label = new Label();
txtField = new TextField(20);
txtField.addKeyListener(new MyKeyListener());
add(label, BorderLayout.NORTH);
panel.add(txtField, BorderLayout.CENTER);
add(panel, BorderLayout.CENTER);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent we){
System.exit(0);
setSize(400,400);
setVisible(true);
public class MyKeyListener extends KeyAdapter{
public void keyPressed(KeyEvent ke){
char i = ke.getKeyChar();
String str = Character.toString(i);
label.setText(str);
Line2D myLine = new Line2D.Double(5,5,100,100);
}Here's what I come up when I played with your code.
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.util.Random;
public class KeyPress extends Frame {
TextField txtField;
Panel panel;
public static void main(String[] args) {
KeyPress k = new KeyPress();
public KeyPress(){
super("Key Press Event Frame");
panel = new myCanvass();
txtField = new TextField(20);
txtField.addKeyListener(new MyKeyListener());
panel.setBackground(Color.LIGHT_GRAY);
add(txtField, BorderLayout.PAGE_END);
add(panel, BorderLayout.CENTER);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent we){
System.exit(0);
setSize(400,400);
setVisible(true);
class myCanvass extends Panel {
private Graphics2D g2;
public void paint(Graphics g) {
drawLine(g);
private void drawLine(Graphics g) {
g2 = (Graphics2D) g;
g2.setColor(Color.RED);
g2.draw(new Line2D.Double(Math.random() * 150, Math.random() * 150, Math.random() * 200, Math.random() * 200));
class MyKeyListener extends KeyAdapter{
public void keyPressed(KeyEvent ke){
char i = ke.getKeyChar();
String str = Character.toString(i);
panel.repaint();
} -
Search help with multiple key fields
Hi,
I want to dispaly search help on a field from a internal table have multiple key fields i.e combination of fld1 + fld2 +fld3 makes one single row. Therfore can any one tell me how to return that single row , because if I am using function F4IF_INT_TABLE_VALUE_REQUEST I get only one return field that I select by which I can't get the actual line that I have selected as there may be more that one line for that field.
please suggest any way through programming not by creating any search help through se11.
thanksHi,
Use select query to select the fields & display them.
In the following code i've selected only a single field in select query but u can do it for more than 1 & proceed similarly.i've tried it before using this code.
SELECT WERKS
NAME1
FROM T001W
INTO TABLE ITEMP
WHERE IWERK = 'M011'.
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
EXPORTING
DDIC_STRUCTURE = ' '
RETFIELD = 'WERKS'
PVALKEY = ' '
DYNPPROG = ' '
DYNPNR = ' '
DYNPROFIELD = ' '
STEPL = 0
WINDOW_TITLE =
VALUE = ' '
VALUE_ORG = 'S'
MULTIPLE_CHOICE = ' '
DISPLAY = ' '
CALLBACK_PROGRAM = ' '
CALLBACK_FORM = ' '
TABLES
VALUE_TAB = ITEMP
FIELD_TAB =
RETURN_TAB = T_RETURN
DYNPFLD_MAPPING =
EXCEPTIONS
PARAMETER_ERROR = 1
NO_VALUES_FOUND = 2
OTHERS = 3
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
S_WERK-LOW = T_RETURN-FIELDVAL.
Hope this helps.
Reward if helpful.
Regards,
Sipra
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