Average Quanitity Columns in REUSE_ALV_HIERSEQ_LIST_DISPLAY

Hi there,
I'm using REUSE_ALV_HIERSEQ_LIST_DISPLAY FM and I need to do Average for one of the quantity fields. I tried passing 'C' to DO_SUM parameter in Field Catalog. But, it doesn't seem to be working for Hierarcial Display. Is it that I'm missing out some parameters?
Please put in your views on this.
Thanks!

Tell the user that he cant get it. Excel does not know what hierachical is, thats why it is disabled. The hierachical realtionship father/child does not have something corresponding in excel. The user has to live with that.

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SSRS 2008 R2 - Add moving average to column group

I have a column group of dollar amounts. The row is a year/month. I would like to add a moving average column to the right of the last 6 months. My SQL Server data source is already complex enough and I'd really prefer not to add a column
there. Is there anything I can do within the report itself? Some way to reference the previous records in a matrix?
Thank you!

Hi mateoc15,
According to your description, you have a matrix in your report. Now you want to calculate the average value of last 6 month. Right?
In Reporting Service, we can put custom code into report to deal with complicated logic. Add one more column/row inside of group and call the functions defined in custom code. For your requirement we modified Robert’s code to achieve your goal. We tested
your case in our local environment with sample data. Here are steps and screenshots for your reference:
Put the custom code into report:
Private queueLength As Integer = 6
Private queueSum As Double = 0
Private queueFull As Boolean = False
Private idChange As String=""
Dim queue As New System.Collections.Generic.Queue(Of Integer)
Public Function CumulativeQueue(ByVal currentValue As Integer,id As String) As Object
Dim removedValue As Double = 0
If idChange <> id then
        ClearQueue()
                idChange = id
                queueSum = 0
                queueFull = False
                CumulativeQueue(currentValue,id)
Else
                If queue.Count >= queueLength Then
                                removedValue = queue.Dequeue()
                End If
                queueSum += currentValue
                queueSum -= removedValue
                queue.Enqueue(currentValue)
                If queue.Count < queueLength Then
                Return Nothing
                ElseIf queue.Count = queueLength And queueFull = False Then
                queueFull = True
                Return queueSum / queueLength
                Else
                Return (queueSum) / queueLength
                End If
End If
End Function
public function ClearQueue()
Dim i as Integer
Dim n as Integer = Queue.Count-1
for i=n To 0 Step-1
                queue.Dequeue()
next i
End function
Add one more row inside of group, call the function defined in custom code.
Save and preview. It looks like below:
Reference:
Moving or rolling average, how to?
If you have any question, please feel free to ask.
Best Regards,
Simon Hou (Pactera)

Displaying Average of Columns in ALV Blocked List Display

Hi,
I am using ALV Blocked List Display. For the 1st block, I need to display the average of certain columns.
I am using the following code in the field catalog of the RATE column to display the average , but it is not displayed.
wa_disptab_field-col_pos = 8.
wa_disptab_field-fieldname = 'RATE''.
wa_disptab_field-ref_tabname = 'IT_DISPTAB'.
wa_disptab_field-seltext_m = 'RS PER KL'.
wa_disptab_field-do_sum = 'C'.
wa_disptab_field-datatype = 'QUAN'.
append wa_disptab_field to it_disptab_field.
clear wa_disptab_field.
For the same column, the sum is displayed with the same code if I change this part:
wa_disptab_field-do_sum = 'C'.   To   wa_disptab_field-do_sum = 'X'.
Please Help..

Hi Debarati,
go For function/pattern [reuse_alv_grid_display_lvc]
do the following as mentioned in the previous reply's.
And To find the Average of your requirement, pass the field names as per the requirement.
gs_sort-fieldname = 'RATE'.
gs_sort-tabname = 'T_DISPTAB' "Final Internal table
gs_sort-subtot = 'X'.
APPEND gs_sort TO gt_sort.
gs_sort-fieldname = 'RATE1'.
gs_sort-tabname = 'T_DISPTAB' "Final Internal table
gs_sort-subtot = 'X'.
APPEND gs_sort TO gt_sort.
gs_sort-fieldname = 'RATE2'.
gs_sort-tabname = 'T_DISPTAB' "Final Internal table
gs_sort-subtot = 'X'.
APPEND gs_sort TO gt_sort.
gs_sort-fieldname = 'RATE3'.
gs_sort-tabname = 'T_DISPTAB' "Final Internal table
gs_sort-subtot = 'X'.
APPEND gs_sort TO gt_sort.
CALL FUNCTION ' REUSE_ALV_GRID_DISPLAY_lvc'
   EXPORTING
      i_callback_program      = sy-cprog
      i_callback_user_command = 'USER_COMMAND'
      is_layout               = gs_layout
      it_fieldcat              = wa_disptab
      it_events               = gt_events
      it_sort                   = gt_sort
      i_default               = 'X'
      i_save                  = 'U'
    TABLES
      t_outtab                = gt_final
   EXCEPTIONS
     program_error                  = 1
     OTHERS                         = 2
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
         WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
i think this will workout.
Thanks & Regards,
Abhisek
Edited by: Abhisek Pradhan on Sep 29, 2011 7:55 PM

Display average in Column chart retreieving the data from Filters

Hello Experts,
I have filters and Bar chart as a combination. I would like to display the average of the source data on my bar chart based on the selection using filters. Is this possible? if yes, how??
Thanks in advance
Regards,
Santosh

Hi,
Please sent me if you have any test data to parvathaneni.satish at gmail
I can do it and sent it to acrosss...
This is a kind of easy things...
FYI :please refer to sample in xcelsius which will give you a better idea....

How to select a color of cell in REUSE_ALV_HIERSEQ_LIST_DISPLAY

Hi.
I need to select a color of a cell in REUSE_ALV_HIERSEQ_LIST_DISPLAY.
I have found an example, but
It shows how to select a color of sell in REUSE_ALV_LIST_DISPLAY.
Can you give me an example of code?
Thanks.

Here ia a simple example of the method how to paint a cell / line / column using REUSE_ALV_HIERSEQ_LIST_DISPLAY function.
Programm:    zalv_hierseq_color
Paint a line, a colomn, or a cell
using REUSE_ALV_HIERSEQ_LIST_DISPLAY
Victor Stupin, Russia 2009
REPORT zalv_hierseq_color.
TABLES: spfli.
TYPE-POOLS: slis.
SELECTION-SCREEN BEGIN OF BLOCK rad1.
PARAMETERS:
        p_row TYPE i,
        p_col TYPE i.
SELECTION-SCREEN SKIP.
SELECTION-SCREEN ULINE.
SELECTION-SCREEN COMMENT /1(50) comm1.
SELECTION-SCREEN COMMENT /1(50) comm2.
SELECTION-SCREEN COMMENT /1(50) comm3.
SELECTION-SCREEN END OF BLOCK rad1.
INITIALIZATION.
comm1 = 'Paint a line: fill ONLY p_row (p_col is empty)'.
comm2 = 'Paint a colomn: fill ONLY p_col (r_row is empty)'.
comm3 = 'Paint a cell: fill P_COL and R_ROW'.
DATA:
        t_fieldcat TYPE slis_t_fieldcat_alv,
        fs_fieldcat LIKE LINE OF t_fieldcat,
        fs_layout TYPE slis_layout_alv ,
        w_color(4) ,
        w_row TYPE i,
        w_fieldname(20),
        w_prog TYPE sy-repid.
DATA:
BEGIN OF t_spfli OCCURS 0,
        color(4),
        checkbox ,
        cell     TYPE slis_t_specialcol_alv,
        carrid   TYPE spfli-carrid,
        connid   TYPE spfli-connid,
        cityfrom TYPE spfli-cityfrom,
        cityto   TYPE spfli-cityto,
        distance TYPE spfli-distance,
        keyln    TYPE int4,
        box      TYPE char1,
        lineno   TYPE int4,
END OF t_spfli.
DATA:
fs_cell LIKE LINE OF t_spfli-cell.
DATA: gt_item    LIKE TABLE OF t_spfli WITH HEADER LINE,
        gt_header LIKE TABLE OF t_spfli WITH HEADER LINE,
        gs_keyinfo TYPE slis_keyinfo_alv.
START-OF-SELECTION.
SELECT *
FROM spfli
INTO CORRESPONDING FIELDS OF TABLE t_spfli.
fs_fieldcat-row_pos = 1.
fs_fieldcat-col_pos = 1.
fs_fieldcat-tabname = 'GT_HEADER'.
fs_fieldcat-fieldname = 'CARRID'.
fs_fieldcat-ref_tabname = 'SPFLI'.
fs_fieldcat-key = 'X'.
fs_fieldcat-hotspot = 'X'.
APPEND fs_fieldcat TO t_fieldcat.
CLEAR fs_fieldcat .
fs_fieldcat-row_pos = 1.
fs_fieldcat-col_pos = 2.
fs_fieldcat-tabname = 'GT_HEADER'.
fs_fieldcat-fieldname = 'CONNID'.
fs_fieldcat-ref_tabname = 'SPFLI'.
fs_fieldcat-key = 'X'.
fs_fieldcat-hotspot = 'X'.
APPEND fs_fieldcat TO t_fieldcat.
CLEAR fs_fieldcat .
fs_fieldcat-row_pos = 1.
fs_fieldcat-col_pos = 3.
fs_fieldcat-tabname = 'GT_HEADER'.
fs_fieldcat-fieldname = 'DISTANCE'.
fs_fieldcat-key = ' '.
fs_fieldcat-edit = 'X'.
APPEND fs_fieldcat TO t_fieldcat.
CLEAR fs_fieldcat.
fs_fieldcat-row_pos = 1.
fs_fieldcat-col_pos = 4.
fs_fieldcat-tabname = 'GT_HEADER'.
fs_fieldcat-fieldname = 'CITYFROM'.
fs_fieldcat-ref_tabname = 'SPFLI'.
fs_fieldcat-key = ' '.
APPEND fs_fieldcat TO t_fieldcat.
CLEAR fs_fieldcat .
fs_fieldcat-row_pos = 1.
fs_fieldcat-col_pos = 5.
fs_fieldcat-tabname = 'GT_ITEM'.
fs_fieldcat-fieldname = 'CARRID'.
fs_fieldcat-ref_tabname = 'SPFLI'.
fs_fieldcat-key = 'X'.
fs_fieldcat-hotspot = 'X'.
APPEND fs_fieldcat TO t_fieldcat.
CLEAR fs_fieldcat .
fs_fieldcat-row_pos = 1.
fs_fieldcat-col_pos = 6.
fs_fieldcat-tabname = 'GT_ITEM'.
fs_fieldcat-fieldname = 'CONNID'.
fs_fieldcat-ref_tabname = 'SPFLI'.
fs_fieldcat-key = 'X'.
fs_fieldcat-hotspot = 'X'.
APPEND fs_fieldcat TO t_fieldcat.
CLEAR fs_fieldcat.
fs_fieldcat-row_pos = 1.
fs_fieldcat-col_pos = 7.
fs_fieldcat-tabname = 'GT_ITEM'.
fs_fieldcat-fieldname = 'DISTANCE'.
fs_fieldcat-key = ' '.
fs_fieldcat-edit = 'X'.
APPEND fs_fieldcat TO t_fieldcat.
CLEAR fs_fieldcat.
fs_fieldcat-row_pos = 1.
fs_fieldcat-col_pos = 8.
fs_fieldcat-tabname = 'GT_ITEM'.
fs_fieldcat-fieldname = 'CITYFROM'.
fs_fieldcat-ref_tabname = 'SPFLI'.
fs_fieldcat-key = ' '.
APPEND fs_fieldcat TO t_fieldcat.
p_col = p_col + 4.
LOOP AT t_fieldcat INTO fs_fieldcat WHERE tabname = 'GT_ITEM'.
    IF fs_fieldcat-col_pos EQ p_col.
      fs_fieldcat-emphasize = 'C600'.
      w_fieldname = fs_fieldcat-fieldname.
      IF p_row IS INITIAL AND p_col GT 0. " <---- paint only column if p_row is empty
        MODIFY t_fieldcat FROM fs_fieldcat TRANSPORTING emphasize.
      ENDIF.
    ENDIF.
ENDLOOP.
fs_cell-fieldname = w_fieldname .
fs_cell-color-col = 6.
fs_cell-nokeycol = 'X'.
APPEND fs_cell TO t_spfli-cell.
IF p_row IS NOT INITIAL AND p_col IS NOT INITIAL. " <---- paint a cell
    MODIFY t_spfli INDEX p_row TRANSPORTING cell.
ENDIF.
fs_layout-info_fieldname = 'COLOR'.
fs_layout-coltab_fieldname = 'CELL'.
fs_layout-f2code = '&ETA'.
gs_keyinfo-header01 = 'KEYLN'.
gs_keyinfo-item01   = 'KEYLN'.
LOOP AT t_spfli INTO gt_item.
    gt_item-keyln = 1.
    gt_item-lineno = gt_item-lineno + 1.
    APPEND gt_item.
ENDLOOP.
READ TABLE t_spfli INDEX 1 INTO gt_header.
gt_header-keyln = 1.
gt_header-lineno = 0.
APPEND gt_header.
CALL FUNCTION 'REUSE_ALV_HIERSEQ_LIST_DISPLAY'
    EXPORTING
      is_layout                      = fs_layout
      it_fieldcat                    = t_fieldcat
      i_tabname_header               = 'GT_HEADER'
      i_tabname_item                 = 'GT_ITEM'
      is_keyinfo                     = gs_keyinfo
    TABLES
      t_outtab_header                = gt_header
      t_outtab_item                  = gt_item
EXCEPTIONS
PROGRAM_ERROR                  = 1
OTHERS                         = 2
IF sy-subrc = 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.

Regarding addition of new column in existing appraisal templates

hi gurus,
i m working on the existing appraisal templates in which i have to add one more column named "Avereage Rating"
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I have a report that shows customer orders(1 per page). If a customer orders 3 pizzas and 2 of them are identical, same size, same toppings, crust i want the quanitity column to sum as 2. So for this example instead of having 3 rows with two of them being identical with the quanity column dispalying 1 for each, I want 2 rows with quanity showing 2 for the identical pizzas and 1 for the other.
I have everything in the same group/repeating frame right now and it is showing all 3 pizzas on there own row. Do i need a summary column and change my groupings? How can i achieve this the summed quanity for identical orders?
CURRENT:
Crust......Toppings......size.....quantity
Thin.......Cheese........small....1
Thin.......Cheese........small....1
thick.......meat.........large....1
NEW:
Crust......Toppings......size.....quantity
Thin.......Cheese........small....2
thick.......meat.........large....1

Forget summary columns. This can easily be just a group by query:
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select t.crust, t.top, t.sze, sum(qty)
from t
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Thin Cheese Small          3
Thick Meat   Large          1

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Hello
Do you know if it is possible to hide the result of a particular column in a pivot grand total row?
I have several columns to which makes sense use a grand total row (as in a sum) but for others (such as average) it does not make sense in the light of the client business rules.
Any help on this matter is highly appreciated :)
Thanks in advance,
J Marques

I have a measure that represents the average time according to the dimensions it uses - and that works properly.
However, the grand total for that column shows me the average of the average times above. This is not correct that is why I want to hide it.As said by kishore, In pivot go to that time average time column -> Aggregation rule -> None, This won't affect the column avg value.
The grant total value will not come.
By setting this, are you getting wrong values?
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Total of average

Hello. I am a simple discoverer report which has 3 columns:
'Product' and 'Cost' and 'Average Cost'
The 'Product' and 'Cost' columns are summation columns straight from a business area, that is produced from a table:
SUM(Product), SUM(Cost)
The 'Average Cost' column is the follwing Calcuation:
AVG(Cost).
The average caculates properly.
However when I try to total the 'Average Cost' column, the total does not calculate properly.
Is there any way to fix this?

If I'm understanding you correctly, you have something like
product line A
units 50
cost 1000
average cost 20
product line B
units 10000
cost 100000
average cost 10
and you want the average cost across all products, which is (101000/10050), which is about 10.05.
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-- jim

Scalar distance across columns

I need to calculate the scalar (Euclidean) distance between two vectors, each dimension represented by columns in a table. I have a procedure that does it the slow and painful way: loop over all vector pairs/loop over all columns/look up the individual cell values/sum over all the differences. It appears to me though, that there should be a more straightforward way to do this using the:
SELECT * FROM TST INTO vREF_DATA WHERE REGNO=1;
SELECT * FROM TST INTO vCMP_DATA WHERE REGNO=2;
syntax in PL/SQL, then loop over the variables/column elements to sum the differences. However, I can't figure out how to keep the pointers for each variable in sync.
E.g.: coord1(1,2,3), coord2(2,3,1), differences(1,1,2), sum=4.
I can do this in Perl using hashes/arrays, but not in PL/SQL. What is the right frame/syntax to do this? If it were a couple of hundred rows, I'd do it in Perl, but with millions of rows and hundreds of columns, it gets real tedious, not to mention easily out-of-sync with the database contents.
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Michiel:
Glad that it works for you. So, you want a fishing lesson :-).
First, the full documentation for the DBMS_SQL package can be found here .
Essentially, DBMS_SQL is an industrial strength version of EXECUTE IMMEDIATE (well, properly, EXECUTE IMMEDIATE is a highly simplified version of DBMS_SQL, since DBMS_SQL came first). It has many advantages over EXECUTE IMMEDIATE because it allows you full control over virtually everything to do with the query. So, you can relatively easily create bind variables on the fly to create statements with an unknown number of binds. It also allows you to find the columns from any arbitrary query through DBMS_SQL.Describe_Columns.
You never actually see any values returned, because I never actually return any. Since you wanted your output in another table, I decided to build one big insert statement, rather than iterate through all the rows, calculate the distance, and then insert one row at a time. It seemed more efficient to me. I also decided to "hard code", through a bind variable, each of the column values from the ref_id, rather than try to dynamically build a join, which seemd simpler to me.
1. DBMS_SQL.Describe_Columns returns a table of records, one record for each column, that gives information much like that in the xxx_tab_columns views. If some id columns may be numeric, you can test the col_type field in the table of records and put a dummy VARCHAR variable into the character columns. Just be aware that the col_type field returns a numeric version of the column_type, not a string. If you look at the text from user_tab_cols:
SELECT text
FROM dba_views
WHERE view_name = 'USER_TAB_COLS'You can see where Oracle DECODES the numeric type to the NUMBER, VARCHAR2 etc. Essentially, NUMBER is 1 and VARCHAR2 is 2.
2. I replaced the FOR scale_rec IN ... LOOP block with another DBMS_SQL built query to pull the AVG and VARIANCE from the table, it is commented in the code below.
3. You cannot really put a threshold on the computation of the distance, since the distance is not really known to the query until it is fully executed (i.e. at the time of inserting). However, you could modify the insert query to filter values with distances greater than 3. I will leave that modification as a exercise for the fiherman, but the end sql statement would look something like:
INSERT INTO diag
SELECT src, id, dist
FROM (SELECT :src_id src, id,
        SQRT(ABS((POWER((:sc2 - :mean2)/:var2, 2) - POWER((col1 - :mean2)/:var2, 2))+
                 (POWER((:sc3 - :mean3)/:var3, 2) - POWER((col2 - :mean3)/:var3, 2))+
                 (POWER((:sc4 - :mean4)/:var4, 2) - POWER((col3 - :mean4)/:var4, 2)))) dist
      FROM t
      WHERE id <> :src_id)
WHERE dist <= 3Now here is a heavily commented version taking into account the proper formula.
CREATE or replace PROCEDURE euclidean_distance (p_src_tab IN VARCHAR2) AS
   -- Associative Array for scaling factors
   TYPE scale_cols_tp IS TABLE OF NUMBER INDEX BY VARCHAR2(30);
   mean_cols scale_cols_tp; -- Will hold average of columns
   var_cols scale_cols_tp; -- Will hold variance of columns
   -- Array to hold column values for the reference id
   TYPE src_cols_tp IS TABLE OF NUMBER INDEX BY BINARY_INTEGER;
   src_cols src_cols_tp;
   l_dummyn NUMBER; -- Dummy Number for Define Column
   l_ignore NUMBER; -- Receives rows processed from queries
   l_sqlstr VARCHAR2(32767); -- For sql statements
   src_cur NUMBER; -- Reference ID Cursor handle
   src_tab DBMS_SQL.Desc_Tab; -- Table of Records describing passed table
   src_col_cnt NUMBER;   -- Number of columns in passed table
   ins_cur NUMBER; -- Insert Cursor handle
   mv_cur NUMBER; -- Cursor handle for Mean and Variance of table
   l_col_pos NUMBER; -- Index into src_tab
   l_res_pos NUMBER; -- Column position in mv_cur
   l_x1     VARCHAR2(10); -- Dynamic bind variable for source column values
   l_x2     VARCHAR2(30); -- Column name from source columns
   l_meani VARCHAR2(10); -- Dynamic bind variable for mean of table
   l_vari   VARCHAR2(10); -- Dynamic bind variable for variance of table
BEGIN
   -- Get a "handle" for a cursor, and parse the query
   src_cur := DBMS_SQL.Open_Cursor;
   DBMS_SQL.Parse(src_cur, 'SELECT * FROM '||p_src_tab||' WHERE id = :src_id',DBMS_SQL.Native);
   -- Describe the table to get number of columns, their names and their types
   DBMS_SQL.Describe_Columns(src_cur, src_col_cnt, src_tab);
   -- I now have a table of records (src_tab) showing similar info
   -- to that shown in xxx_tab_columns, one record per column
   -- and the number of columns in the table (actually the number of records
   -- in src_tab) is in src_col_cnt
   -- Define the column types for src_cur. This just tell DBMS_SQL that
   -- the column at position i (based on the column list in the select)
   -- is of the passed data type. It is not setting a variable to
   -- receive the column value.
   -- I am assuming all inluding ID are NUMBER.
   -- If id may be alpha can test src_tab(i).col_type to check data type
   FOR i IN 1 .. src_col_cnt LOOP
      DBMS_SQL.DEFINE_COLUMN(src_cur, i, l_dummyn);
   END LOOP;
-- This section replaces the FOR scale_rec IN LOOP
   -- Get mean and variance for passed table
   -- Build the sql statement
   l_sqlstr := 'SELECT ';
   FOR i IN 2 .. src_col_cnt LOOP
      l_sqlstr := l_sqlstr||'AVG('||src_tab(i).col_name||'),'||
            'VARIANCE('||src_tab(i).col_name||'),';
   END LOOP;
   -- l_sqlstr is now:
   -- SELECT AVG(col1), VARIANCE(col1),AVG(col2), VARIANCE(col2),
   --        AVG(col3), VARIANCE(col3),
   -- So trim the trailing , and add FROM
   l_sqlstr := RTRIM(l_sqlstr,',');
   l_sqlstr := l_sqlstr||' FROM '||p_src_tab;
   -- Set up the cursor
   mv_cur := DBMS_SQL.OPEN_CURSOR;
   DBMS_SQL.Parse(mv_cur, l_sqlstr, DBMS_SQL.Native);
   -- Getting 2 results (AVG and VARIANCE) for each column
   -- and we know that they are all numeric
   -- but need to ignore the id column so
   FOR i In 1 .. (src_col_cnt - 1) * 2 LOOP
      DBMS_SQL.DEFINE_COLUMN(mv_cur, i, l_dummyn);
   END LOOP;
   -- Now Run the query and assign columns into associative array
   l_ignore := DBMS_SQL.EXECUTE_AND_FETCH(mv_cur);
   l_col_pos := 2; -- start in Record 2 of src_tab
   l_res_pos := 1; -- start in Column 1 of result set
   WHILE l_col_pos <= src_col_cnt LOOP
      DBMS_SQL.COLUMN_VALUE(mv_cur, l_res_pos, mean_cols(src_tab(l_col_pos).col_name));
      DBMS_SQL.COLUMN_VALUE(mv_cur, l_res_pos + 1, var_cols(src_tab(l_col_pos).col_name));
      l_col_pos := l_col_pos + 1;
      l_res_pos := l_res_pos + 2;
   END LOOP;
   -- I end up with two associative arrays, both indexed by column name
   -- mean_cols values are the average for each column
   -- var_cols values are the variance for each column
   -- We're done with this query so
   DBMS_SQL.Close_Cursor(mv_cur);
-- END replacement FOR scale_rec IN LOOP
   -- Build the insert statement
   -- I took the ABSolute value of the SUM of L(i) because with
   -- my data I was getting negative values which blew the SQRT
   l_sqlstr := 'INSERT INTO diag SELECT :src_id, id, SQRT(ABS(';
   FOR i IN 2 .. src_col_cnt LOOP
      -- Dynamically create bind variables to hold "fixed" values
      -- (i.e. reference values, mean, and variance
      -- and plug the correct column names for the target columns
      l_x1 := ':sc'||i; -- For i = 2 gives :sc2
      l_x2 := src_tab(i).col_name; -- For i = 2 gives COL1
      l_meani := ':mean'||i; -- For i = 2 gives :mean2
      l_vari := ':var'||i; -- For i = 2 gives :var2
      -- Append this column formula to sql statement
      l_sqlstr := l_sqlstr ||'(POWER(('||l_x1||' - '||l_meani||
                  ')/'||l_vari||', 2) - POWER(('||l_x2||' - '||
                  l_meani||')/'||l_vari||', 2)) + ';
   END LOOP;
   -- Here, l_sqlstr is:
   -- INSERT INTO diag
   -- SELECT :src_id, id, SQRT(ABS((POWER((:sc2 - :mean2)/:var2, 2) -
   --                               POWER((col1 - :mean2)/:var2, 2))+
   --                              (POWER((:sc3 - :mean3)/:var3, 2) -
   --                               POWER((col2 - :mean3)/:var3, 2))+
   --                              (POWER((:sc4 - :mean4)/:var4, 2) -
   --                               POWER((col3 - :mean4)/:var4, 2))+
   -- so get rid of the trailing + and space
   l_sqlstr := RTRIM(l_sqlstr,'+ ');
   -- Now close the open bracket from SQRT and ABS and add FROM and WHERE
   l_sqlstr := l_sqlstr||')) FROM '||p_src_tab||' WHERE id <> :src_id';
   -- Now we have a valid insert statement so
   -- Prepare and parse the insert cursor
   ins_cur := DBMS_SQL.Open_Cursor;
   DBMS_SQL.Parse(ins_cur, l_sqlstr, DBMS_SQL.Native);
   -- bind in the mean and variance which are fixed for this set of columns
   FOR i IN 2 .. src_col_cnt LOOP
      DBMS_SQL.Bind_Variable(ins_cur,':mean'||i, mean_cols(src_tab(i).col_name));
      DBMS_SQL.Bind_Variable(ins_cur,':var'||i, var_cols(src_tab(i).col_name));
      -- for i = 2, These two calls resolve as:
      -- DBMS_SQL.Bind_Variable(ins_cur,:mean2, mean_cols(COL1));
      -- DBMS_SQL.Bind_Variable(ins_cur,:var2, var_cols(COL1));
      -- which means bind the value found in mean_cols('COL1') to
      -- the bind variable :mean2 and the value found in var_cols('COL1') to
      -- the bind variable :var2
   END LOOP;
   -- Get the reference IDs
   FOR intrest_rec IN (SELECT ref_id FROM query) LOOP
      -- For each reference ID bind into the source query
      DBMS_SQL.Bind_Variable(src_cur,':src_id', intrest_rec.ref_id);
      -- So, here, on the first iteration, we are about to execute
      -- the statement
      -- SELECT * FROM t WHERE id = 1
      l_ignore := DBMS_SQL.Execute_And_Fetch(src_cur);
      -- Get the column values from each source row and
      -- bind that value (e.g. 1 in my sample) to variable :src_id
      DBMS_SQL.Bind_Variable(ins_cur,':src_id', intrest_rec.ref_id);
      FOR i IN 2 .. src_col_cnt LOOP
         -- Retrieve the value of each column of the source row
         -- into the table of NUMBERS
         DBMS_SQL.COLUMN_VALUE(src_cur, i, src_cols(i));
         -- Then bind it into the insert cursor
         DBMS_SQL.Bind_Variable(ins_cur,':sc'||i, src_cols(i));
      END LOOP;
      -- execute the insert statement
      l_ignore := DBMS_SQL.EXECUTE(ins_cur);
   END LOOP;
   COMMIT;
   DBMS_SQL.Close_Cursor(src_cur);
   DBMS_SQL.Close_Cursor(ins_cur);
END;If you still have questions, I will be around until Thursday, then back January 4.
John

Totalling Averages

Hi,
I have a column of averages in a report. I need to total them, which
obviously means taking the average of all the averages, not just totalling the
averages. I am using a pivot table. Even when I set the 'Average' on the column within
the Pivot table view:
Column -> More Options -> Aggregation Rule -> Average
it doesn't seem to be totalling the averages correctly on the totals line.
Is there anything for the totals line itself, which is doing other totals on the
same line which aren't averages, I should be doing so get the average total column to
calculate properly.
Thanks for any ideas.
- Alan.

Duplicate question:
Totalling Averages
Alan please close this one so people only reply in one place.

Difference Between the grouped column

Hi ,
I have matrix based report in which the columns are dynamically generated based on the month and year.
3 filter value in the report
quarter,
year and
Previous 12 months .
Katherine community moderator reporting services helped me achieving the with a similar kind of report. Due to some difference from the previous requirement am posting a new question .
Current Matrix Outcome :
Desired Outcome
Please note that the Month columns are dynamically generated so for example if the filter value is quarterly
3 months will be generated , march-14,april-14,may-14 and then i need to display the difference
in new columns like march-14 - april-14 ,april-14-may-14. The column headers of the new differential columns i can achieve
but the difference between the types on monthly basis am unable to achieve.
Similarly it goes for the yearly and previous 12 months filter value.
Kindly let me know if more detail is required .
Thanks
Priya

Hi Priya,
According to your description, you have a matrix in your report. Now for each month, you want to always get the difference value between current month and previous month with columns generated. Right?
In Reporting Service, if we want to compare values of two adjacent columns in a matrix, the best way is using custom code to deal with the logic. In this scenario, we want to compare the current value with previous value. The difference value is always along
with columns generated. So we suggest put this column inside of group instead of appending them at the end of the matrix. In this column, we can call the function defined in the custom code. We have tested this case in our local environment. Here are steps
and screenshots for your reference:
Put the custom code into report:
Private queueLength As Integer = 2
Private queueSum As Double = 0
Private queueFull As Boolean = False
Private idChange As String=""
Dim queue As New System.Collections.Generic.Queue(Of Integer)
Public Function CumulativeQueue(ByVal currentValue As Integer,id As String) As Object
Dim removedValue As Double = 0
If idChange <> id then
ClearQueue()
idChange = id
queueSum = 0
queueFull = False
CumulativeQueue(currentValue,id)
Else
If queue.Count >= queueLength Then
removedValue = queue.Dequeue()
End If
queueSum += currentValue
queueSum -= removedValue
queue.Enqueue(currentValue)
If queue.Count < queueLength Then
Return Nothing
ElseIf queue.Count = queueLength And queueFull = False Then
queueFull = True
Return (queueSum-currentValue-currentValue)
Else
Return (queueSum-currentValue-currentValue)
End If
End If
End Function
public function ClearQueue()
Dim i as Integer
Dim n as Integer = Queue.Count-1
for i=n To 0 Step-1
queue.Dequeue()
next i
End function
Create a matrix based on your information. Put expression into corresponding position.
A: =Code.CumulativeQueue(Fields!Amount.Value,Fields!Type.Value)
B: =IIF(Previous(Fields!Month.Value) is nothing,"",MonthName(IIF(Previous(Fields!Month.Value) is nothing,1,Previous(Fields!Month.Value)))&" - "&MonthName(Fields!Month.Value))
C: =MonthName(Fields!Month.Value)
Ps : You may need to modify the custom code and expression based on the data type in your dataset.
Create parameter for filtering data.
Save and preview. It looks like below:
Reference:
SSRS 2008 R2 - Add moving average to column group
If you have any question, please feel free to ask.
Best Regards,
Simon Hou

Runnning averages for a gradesheet

Ok, so I had this nice, amazing, single formula that did exactly what I needed without accessesing separate tables. The problem is that I lost it (and everything else) when the dog knocked my macbook off the couch and crashed the hard drive. Sadly, I cannot figure how I did it in the first place...here's my issue.
I have a Header column with student's names, and then two header rows, one with the assignment name, and a second with the value for said assignment, looks like this:
               A                      B                 C               D                 E                    F
1         Name               Lab 1          Lab 2          Lab 3          Lab 4          Average
2                                    50               40                50               20               %
3         Dave
4         Steve
5         Sarah
The second row is the maximum value of points that can be obtained on that assignment. I need the equation for the average to only account for cells in which a grade value has been entered. Basically if I have entered in grades for columns B, C, and D, I only want the average to reflect those, and not count and empty E column against the average. Also, I had it where a dash, or '-' was just seen as an empty cell, not sure how I managed that either. I think I remember the formula using a good amount of IF's and LOOKUPS....I'm just drawing such a blank
If someone can help me get started, maybe formatting the first two or three rows, I could take it from there, and be eternally thankful!

Would this work? Ignore the 'marks', they're there to give me predictable results.
Formulas:
F3, filled down to F10: =IF(COUNT($B3:$E3)>0,SUM($B3:$E3)/SUMIF($B3:$E3,">0",$B$2:$E$2),"")
B11, Filled right to E11: =AVERAGE(B)/B$2
F11: =AVERAGE(F)
Column F and (Footer) Row 11 cells formatted as Percentage.
Error triangle in E11 is due to a division by zero error. It can be ignored, or avoided by wrapping formulas in this row in an IFERROR statement, or by using an IF statement similar to the one used in column F.
Regards,
Barry

SYS_REFCURSOR takes more time than direct query execution

I have a stored proc which has 4 inputs and 10 output and all outputs are sys_refcursor type.
Among 10 ouputs, 1 cursor returns 4k+ records and all other cursors has 3 or 4 records and average 5 columns in each cursors. For this, it takes 8 sec to complete the execution. If we directly query, it gives output in .025 sec.
I verified code located the issue with cursor which returns 4k+ only.
The cursor opening from a temporary table (which has 4k+ records ) without any filter. The query which inserted into temporary is direct inserts only and i found nothing to modify there.
Can anyone suggest, how we can bring the results in less than 3 sec? This is really a challenge since the code needs to go live next week.
Any help appreciated.
Thanks
Renjish

I've just repeated the test in SQL*Plus on my test database.
Both the ref cursor and direct SQL took 4.75 seconds.
However, that time is not the time to execute the SQL statement, but the time it took SQL*Plus in my command window to print out the 3999 rows of results.
SQL> create or replace PROCEDURE TEST_PROC (O_OUTPUT OUT SYS_REFCURSOR) is
2 BEGIN
3    OPEN O_OUTPUT FOR
4      select 11 plan_num, 22 loc_num, 'aaa' loc_nm from dual connect by level < 4000;
5 end;
6 /
Procedure created.
SQL> set timing on
SQL> set linesize 1000
SQL> set serverout on
SQL> var o_output refcursor;
SQL> exec test_proc(:o_output);
PL/SQL procedure successfully completed.
Elapsed: 00:00:00.04
SQL> print o_output;
PLAN_NUM    LOC_NUM LOC
        11         22 aaa
        11         22 aaa
        11         22 aaa
        11         22 aaa
        11         22 aaa
3999 rows selected.
Elapsed: 00:00:04.75
SQL> select 11 plan_num, 22 loc_num, 'aaa' loc_nm from dual connect by level < 4000;
PLAN_NUM    LOC_NUM LOC
        11         22 aaa
        11         22 aaa
        11         22 aaa
        11         22 aaa
        11         22 aaa
        11         22 aaa
3999 rows selected.
Elapsed: 00:00:04.75
That's the result I expect to see, both taking the same amount of time to do the same thing.
Please demonstrate how you are running it and getting different results.

How do I reference a cell in a matrix that performs the aggregate?

Assuming I have a Matrix such as:
Year
Customer Name SUM(sales amount)
... and the text control the aggregate takes place in (the sum function) is named "matrix1_tb_sum"...
After the report is executed, there will be a column for each year. Let's say 2013 and 2014 both return.
What will be the name of the text control for each year? If I reference "ReportItems!matrix1_tb_sum.Value" from any scope it returns the value of the "right most" column grouping. How do I reference other column groupings?
My goal is to add out-of-grouping columns to the right to show additional data, but I don't want to re-type the formulas. For example, I would add an out-of-group column to the right and add something like:
=ReportItems!matrix1_tb_sum[2014].Value - ReportItems!matrix1_tb_sum[2013].Value
...to show the difference between the two columns without making a SUM IIF.

Hi Mini Button,
Base on your description, you have a matrix in your report which you want to add an aggregation field of the Sales Amount for each year and finally add an column to show the difference between two years. Right?
In Reporting Service, if we want to compare values of two adjacent columns in a matrix, the best way is using custom code to deal with the logic. I have tested in our local environment. In this scenario, we can compare the current value with previous value.
The difference value is always along with columns generated. So we suggest put this column inside of group instead of appending them at the end of the matrix. In this column, we can call the function defined in the custom code. Here are steps and screenshots
for your reference:
Custom code:
Put the custom code into report:
Private queueLength As Integer = 2
Private queueSum As Double = 0
Private queueFull As Boolean = False
Private idChange As String=""
Dim queue As New System.Collections.Generic.Queue(Of Integer)
Public Function CumulativeQueue(ByVal currentValue As Integer,id As String) As Object
Dim removedValue As Double = 0
If idChange <> id then
ClearQueue()
idChange = id
queueSum = 0
queueFull = False
CumulativeQueue(currentValue,id)
Else
If queue.Count >= queueLength Then
removedValue = queue.Dequeue()
End If
queueSum += currentValue
queueSum -= removedValue
queue.Enqueue(currentValue)
If queue.Count < queueLength Then
Return Nothing
ElseIf queue.Count = queueLength And queueFull = False Then
queueFull = True
Return (queueSum-currentValue-currentValue)
Else
Return (queueSum-currentValue-currentValue)
End If
End If
End Function
public function ClearQueue()
Dim i as Integer
Dim n as Integer = Queue.Count-1
for i=n To 0 Step-1
queue.Dequeue()
next i
End function
Click the report Properties and click the “Code” than add above custom code in it, click ok.
Create a matrix based on your information. Put expression into corresponding positions:
Expression in the first row: =IIF(Previous(Fields!Year.Value) is nothing,"",IIF(Previous(Fields!Year.Value) is nothing,1,Previous(Fields!Year.Value))&" - "&Fields!Year.Value)
Expression in the second row: =Code.CumulativeQueue(Fields!SalesAmount.Value,Fields!CustomerName.Value))
Expression in the third row: =Code.CumulativeQueue(sum(Fields!SalesAmount.Value),Fields!CustomerName.Value)
Note : You may need to modify the custom code and expression based on the data type in your dataset.
Save and preview. It looks like below:
Below similar threads are for your reference:
SSRS 2008 R2 - Add moving average to column group
Difference Between the grouped column
If you still have any question, please feel free to ask.
Regards
Vicky Liu

Average Quanitity Columns in REUSE_ALV_HIERSEQ_LIST_DISPLAY

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