Comparing data from an array

Hi all
I have a little problem regarding the use of arrays and obtaining the integer value from an index of one of the columns. I need to implement a program that reads data from serial ports. There are four serial ports and it is assumed that independant sets of data will be retrieved from each of these. I need my program to continuously loop and check to see if the data has changed at any of the serial ports (i've got this part working). The way it can be manually determined is if the file is opened and at the top of the data there is the error number which is incremented every time the data is changed. I have put the data into a 2D array for later use and have then put just the first column into a single array in the hope of bein
g able to convert it to an integer or some form that can be compared. I need the highest error number for each peripheral to be stored (probably need separate loops/case for each serial port? - multitasking?) and when the data is next sent, i need to be able to compare it to see if the error number has changed and if it hasn't just continue looping and if it has make the new value the highest (in which case the rest of the data needs to manipulated and automatically updated in the database). I have been thrown head first into this project and to this date had only been a casual Labview programmer (V6i)
Can anyone help?
Ive attached the snippet that is for comapring the data only if anyone can build upon it (or scrap it!)
Thanks
Ridge
Attachments:
Array.vi ‏31 KB

To compare the error is easy,attached is a little modification to your vi with shift register and Array max and min function. I'm not sure if this is the only problem.
Attachments:
Array[1].vi ‏38 KB

Similar Messages

Without loops how can i read data from associative Array??

Hi all,
I am facing scenario like...
i need to read data from associative array without using loops is it possible,
CREATE OR REPLACE PACKAGE BODY test_pkg IS
    TYPE t1 IS TABLE OF NUMBER INDEX BY BINARY_INTEGER;
   -- in array we can expect more than one row or sometimes no data also.
FUNCTION test1(vt1 T1 DEFAULT CAST(NULL AS t1)) RETURN NUMBER IS
BEGIN
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    -- if array is not null then only compare with array values
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     END LOOP;
END test1;
END test_pkg;
in table1 we have date like...
colum1          column2
Jan                  1
Feb                  2
Mar                  3
if i call select test_pkg.test1(1) from dual then output should
be Jan..
and
select test_pkg.test1(null) from dual then it should display all elements from table1.
Jan                  1
Feb                  2
Mar                  3,
Thanks for your quick replay..

i need to read data from associative array without using loops is it possible,
No - you would need to create a SQL type and then use the TABLE operator to unnest the collection.
create or replace TYPE my_nums IS TABLE OF INTEGER;
DECLARE
-- TYPE my_nums IS TABLE OF PLS_INTEGER INDEX BY PLS_INTEGER;
v_nums my_nums := my_nums(1, 2, 3);
v_total number;
BEGIN
select sum(column_value) into v_total from table(v_nums);
DBMS_OUTPUT.PUT_LINE
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Sum of the numbers is 6

Compare data from a table

Hello, I am trying to compare data from one and the same table. In short I have:
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     Atanas     8/18/2012 9:33:23 AM     100
Atanas     8/18/2012 9:33:23 AM     101
     Niki     8/18/2012 9:33:43 AM     200
     Niki     8/17/2012 9:34:10 AM     100
Niki     8/18/2012 9:33:43 AM     201
     Niki     8/17/2012 9:34:10 AM     101
     Atanas     8/17/2012 9:34:29 AM      50
Atanas     8/17/2012 9:34:29 AM      51
     Joro     8/18/2012 12:10:12 PM 400
     Joro     8/17/2012 12:10:21 PM 300
Joro     8/18/2012 12:10:12 PM 401
     Joro     8/17/2012 12:10:21 PM 301
And I want to sum CHARGE for each DTM for each NAME and present the difference in an additional column, the output should be like that:
NAME     DTM     CHARGE DTM CHARGE DIFFERENCE
     Atanas     8/17/2012 9:33:23 AM     101 8/18/2012 9:33:23 AM 201 - 100
Niki     8/17/2012 9:33:23 AM     201 8/18/2012 9:33:23 AM 401 - 200
Joro     8/17/2012 9:33:23 AM     601 8/18/2012 9:33:23 AM 801 200
the DTM will be always /sysdate - 2/ and /sysdate - 1/,
Thanks in advance!

It is not clear what you are trying to do, but it looks like:
with sample_table as (
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                      select 'Atanas',to_date('8/17/2012 9:34:29 AM','mm/dd/yyyy hh:mi:ss am'),50 from dual union all
                      select 'Atanas',to_date('8/17/2012 9:34:29 AM','mm/dd/yyyy hh:mi:ss am'),51 from dual union all
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                      select 'Joro',to_date('8/18/2012 12:10:12 PM','mm/dd/yyyy hh:mi:ss am'),401 from dual union all
                      select 'Joro',to_date('8/17/2012 12:10:21 PM','mm/dd/yyyy hh:mi:ss am'),301 from dual
select nvl(s1.name,s2.name) name,
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        s1.charge,
        s2.dtm,
        s2.charge,
        s2.charge - s1.charge diff
from      (
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                     dtm,
                     sum(charge) charge
               from sample_table
               where dtm >= trunc(sysdate) - 1
                 and dtm < trunc(sysdate)
               group by name,
                        dtm
            ) s1
        full join
             select name,
                     dtm,
                     sum(charge) charge
               from sample_table
               where dtm >= trunc(sysdate)
                 and dtm < trunc(sysdate) + 1
               group by name,
                        dtm
            ) s2
          on s1.name = s2.name
NAME   DTM           CHARGE DTM           CHARGE       DIFF
Atanas 17-AUG-12        101 18-AUG-12        201        100
Niki   17-AUG-12        201 18-AUG-12        401        200
Joro   17-AUG-12        601 18-AUG-12        801        200
SQL> SY.

Error while retrieving data from an ARRAY resultset

We hava an Oracle stroed procedure which has a table type as its OUT parameter and where the data is being entered into. This data requries to be returned to the Java client through a JDBC connection. We have used the OracleTypes' ARRAY object for this. We are facing errors when retieving data from the ARRAY resultset
The Oracle Package
----I created a table type called "PlSqlTable":
CREATE OR REPLACE TYPE PlSqlTable IS TABLE OF VARCHAR2(20);
----I defined this as the out parameter for my procedure :
PROCEDURE testSQL
arrayOutID OUT PlSqlTable
Then populated the object :
arrayOutID := PlSqlTable();
arrayOutID.extend(4);
arrayOutID(1):= 'Hello';
arrayOutID(2) := 'Test';
arrayOutID(3) := 'Ora';
----The procedure executes fine - all debug statements are printed ----right till the end of execution.
The Java class
----Here is how I have defined the parameters :
OracleCallableStatement stmnt = (OracleCallableStatement)connection.prepareCall("begin testSQL(?);end;");
stmnt.registerOutParameter(2,OracleTypes.ARRAY,"PLSQLTABLE");
System.out.println("Executing..");
stmnt.execute();
System.out.println("Executed..");
ARRAY outArray = stmnt.getARRAY(1);
System.out.println("Got array");
ResultSet rset = outArray.getResultSet();
System.out.println("Got Resultset..");
int i = 1;
while(rset.next()){
System.out.println("VALUE : " + rset.getString(i));
i = i+1;
----On execution, the debug messages display :
Executing..
Executed..
Got array
Got Resultset..
VALUE : 1
VALUE : Test
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----But I have populated upto 3 values in th e procedure. Then why this error ?
PLLLEEEASE help me out on this.
Thanks, Sathya

haven't worked with db arrays but I think your problem is here:int i = 1;
while(rset.next()){
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     i = i+1;
}In the first loop you are retrieving the value from column 1(rs.getString(1)), which is OK, but in the second loop, you are trying to retrieve a value from the second column(rs.getString(2)) which doesn't exist. Try this code which only reads from column1:
while(rset.next()){
     System.out.println("VALUE : " + rset.getString(1));
}Jamie

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hello,
i have a program that works like this.....
import java.io.*;
public class NewMain {
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
String [] Type= new String[10000];
int [] Num= new int[10000];
float [] Price= new float[10000];///////
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56.5
pants
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Ashish.Uppin wrote:
hello,
i have a program that works like this.....
import java.io.*;
public class NewMain {
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
String [] Type= new String[10000];
int [] Num= new int[10000];
float [] Price= new float[10000];///////
and i am reading some of the data into these arrays
so if i want to delete a particular data from the arrays how do i do that
and if i want to delete pants from that file and enter the text again how do i do that.? any idea?....
e.g if the file contains
shirt
32
56.5
pants
56
45.9
Buddy, it seems to me that you are describing data that belongs together -- a class. You are probably better off with one arraylist of objects of this class, each object having a String type variable, an int num variable, and a float price variable, make that a double price variable.
For examples of arraylists in action, please see the Sun java tutorials.

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What is the best way to move the data over?
I saw that someone had suggested using ditto. Would that be better than MacMV?
I also own Bru LE so I could use that.
Any advice would be appreciated.
Thanks,
Paul

Ditto is a great option -- probably the best.
ditto -rsrc src_folder /Volumes/targetvolume/targetfolder

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Hi folks,
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TIA bvd

Follow these steps:
1) Bring your first time period in your main report. This will be your first query.
2) Bring your second time period in a subreport. This will be your second query.
3) Bring the values from your subreport into your main report using shared variables.
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I hope this information proves useful.
Regards,
Zack H.

Question - Comparing data from 2 databases

I'm new to Oracle - I'm trying to compare data from 2 separate databases.
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SELECT DISTINCT cm.TRACKING_NUMBER_TYPE AS HType,
TRUNC(cm.CREATED_DATE) as CodeMoveDate,
SUBSTR(cm.CODE_MOVE_DESC, 1, 50) AS Description,
cm.TRACKING_NUMBER AS TrackingNumber,
rq.Plant_Name as Location,
jr_eur.Assignee as Tracker,
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PROJMAN.PM_Requests_V rq,
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I recommend using a product.
I used to write scripts and procedures, but no more!
Reason is: you save time. A lot of time. You pay few hunderes $ once for the product.
If you do it yourself, you waste half-days doing it properly.
A good tool for database compare is Comparenicus (www.compareniucs.com).
I'm using it for 6 months now and it saves me a lot of time.

How to insert 300 data from associative array to backend table in PL/SQL

HI ALL,
I'm posting my code here:
Creating back end table:
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( id number(20),
calltype number(12),
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Warning: Package Body created with compilation errors.
Errors for PACKAGE BODY R:
LINE/COL      ERROR
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Is there any feature in PL/SQL to decrease the entries in insert statement and make the insert statement along with the program small and increase the program performance.
Edited by: 983040 on Jan 20, 2013 11:11 PM

Basic example (ran on 11.2.0.3):
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SQL>
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2
3          type TTestTab is table of testtab%rowtype;
4
5          procedure InsertRows( rowArray TTestTab );
6
7 end;
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SQL>
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17 end;
18 /
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SQL>
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If your TEMP table has only two columns and both of
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/Cheers, APC

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Now I am loading data in those interanal tables by using SELECT Query in START routine.
Now In various transformatino rule for populating different target fields I am reading those internal tables(itab_dso3 and itab_dso4) putting the read and where condition like
Code for field Z(of DSO2)
Read fieldX fieldY fields Z from itab_dso3 into wa_dso3 with key fieldsX=source_fields-fieldsx fieldY=source_fields-fieldsy.
if sy-subrc eq 0.
result = wa_dso3-fieldz
endif.
(here i am reading the itab loaded in start routine and reading it with the help of two source fields(dso1 fields fieldX and fieldY ) and comparing them with DSO3 .If there is a match then I am udpating fieldz of DSO2 with fieldZ from DSO3.)
Please do assign points if it is needful.
Thanks in advance.
Best WIshes,
VVenkat.

Compare date from snapshot tables

I have mothly snapshot tables in oracle database 10gR2 that I loaded in discoverer 10gR2 as it as business users want to query monthly data. Fine.
Now business users want to compare two months data something like:
'snap_date jan-2009' 'site_id for jan-2009' 'site_status for jan-2009' 'snap_date feb-2009' 'site_id for feb-2009' 'site_status for feb-2009'
01/31/2009 a0001P active 02/28/2009 a0001P inactive
01/31/2009 b0001P active 02/28/2009 deleted -
01/31/2009 c0001L active 02/28/2009 c0001L active
01/31/2009 - - 02/28/2009 z0001P active
They want to see it like:
'site_id' 'site_status for jan-2009' 'site_status for feb-2009'
a0001P active inactive
b0001P active site deleted
c0001L active active
z0001P no site found active
Please suggest, how can I achieve this in discoverer?
Two snap_dates can be any dates from last five years on which already snap_shot has been taken and added to the snapshot table.
Thanks.
Edited by: vkumar on Mar 17, 2009 2:17 PM

Hi Rod,
Actually this is just one table having snapshot data for different months like:
'snap_date'              'site_id'               'site_status'
01/31/2009           a0001P           active
01/31/2009           b0001P           active
01/31/2009           c0001L           active
02/28/2009           a0001P           inactive
02/28/2009           c0001L           active
02/28/2009           z0001P           active
From this table I want to compare data for different dates with respect to site_id?
Thanks.
Edited by: vkumar on Mar 19, 2009 10:44 AM
Edited by: vkumar on Mar 19, 2009 10:44 AM

Compare date from recordset

Hi.
Im trying to compare a date from oracle to see if it's more than 24 hours old or not. If I get the date with
rs.getDate(meta.getColumnName(4));
My result is : 2007-05-23
If i use
rs.getString(meta.getColumnName(4));
My result is: 2007-05-23 10:21:12.0
How can i try
if(rs.getDate(meta.getColumnName(4)) is lesser than 24 hours)
You know what i meen :)
Sincerly
Rothsten

Well here is a simple code snippet which might help you....
long timedifference = rs.getDate(column_name2).getTime() - rs.getDate(column_name1).getTime();
// day = 24 hrs , 1hr = 3600 sec,1 sec = 1000 milli sec
long millisec_per_day = 24*3600*1000;
if( timedifference > millisec_per_day)
System.out.println("More than a day");
else if( timedifference < millisec_per_day)
System.out.println("Less than a day");
else if( timedifference == millisec_per_day)
System.out.println("Exactly a day");
NOTE: The following snippet may not be a perfect solution when it comes to implementation part (as many ppl do it with Calendar and others).
Hope this might help :)
REGARDS,
RaHuL

Comparing data from an array

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