Union reporting involving null fields.
Hello ALL;
I'm new to OBIEE and the following is a query on 10g.
I use the union reporting using dummy/null fields as the Subject areas are built in a way that they don't include all fields one report would need at my work place.
(Let me know if I could work otherwise)
Suppose I have a, b fields from S1 and c from S2, I implement the following approach:
S1 a b 0
S2 a 0 c
What I expect to see is:
Result a b c
What I see is:
Result a b 0
a 0 c
I see two records with one ID(feild a).
Could anyone help me on this, please?
Thanks,
-RB
Goto Table View in the answers, change result column formula to avg(saw_1 by saw_0).
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This formula you used above is corrcet but is returning you a character '0' and when a descending sort is applied character values will be at the top.
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Statement 1:
SELECT E0380.CardValue
FROM (SELECT E0465.CardValue FROM E0465 UNION ALL
SELECT null AS CardValue FROM E0465) E0380
Statement 2:
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I use OleDbCommand to execute these 2 statements. For statement 1 I use GetDecimal method to get value.
For statement 2 I use GetDouble to get value. The type of field CardValue is FLOAT. Why the type in these 2
statements are different? How to solve this problem?
My Oracle is 10g and connection string is "Provider=OraOLEDB.Oracle;Data Source=EMS;Password=abc;User ID=S000"
Thanks a lot
Edited by: user1095915 on May 8, 2012 10:59 AMI believe the behavior you're describing is apparent outside of OLEDB, so the database sql forum may be better equipped to assist.
I tested the following, so we could easily see the resulting datatype from the union:
SQL> create table floattab(col1 float);
Table created.
SQL> SELECT E0380.col1
2 FROM (SELECT floattab.col1 FROM floattab UNION ALL
3 SELECT null AS CardValue FROM dual) E0380;
COL1
SQL> create table tt as SELECT E0380.col1
2 FROM (SELECT floattab.col1 FROM floattab UNION ALL
3 SELECT null AS CardValue FROM dual) E0380;
Table created.
SQL> desc tt;
Name Null? Type
COL1 NUMBER
SQL> desc floattab;
Name Null? Type
COL1 FLOAT(126)
SQL>If I read the docs correctly, it looks like this is probably expected, but the database folks may be able to comment better since the behavior does not seem related to OLEDB.
http://docs.oracle.com/cd/B19306_01/server.102/b14200/queries004.htm
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The program-internal table must either be in a TOP Include or its
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*& Example of a simple ALV Grid Report *
*& The basic requirement for this demo is to display a number of *
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REPORT zdemo_alvgrid .
TABLES: ekko.
type-pools: slis. "ALV Declarations
*Data Declaration
TYPES: BEGIN OF t_ekko,
ebeln TYPE ekpo-ebeln,
ebelp TYPE ekpo-ebelp,
statu TYPE ekpo-statu,
aedat TYPE ekpo-aedat,
matnr TYPE ekpo-matnr,
menge TYPE ekpo-menge,
meins TYPE ekpo-meins,
netpr TYPE ekpo-netpr,
peinh TYPE ekpo-peinh,
END OF t_ekko.
DATA: it_ekko TYPE STANDARD TABLE OF t_ekko INITIAL SIZE 0,
wa_ekko TYPE t_ekko.
*ALV data declarations
data: fieldcatalog type slis_t_fieldcat_alv with header line,
gd_tab_group type slis_t_sp_group_alv,
gd_layout type slis_layout_alv,
gd_repid like sy-repid.
*Start-of-selection.
START-OF-SELECTION.
perform data_retrieval.
perform build_fieldcatalog.
perform build_layout.
perform display_alv_report.
*& Form BUILD_FIELDCATALOG
* Build Fieldcatalog for ALV Report
form build_fieldcatalog.
* There are a number of ways to create a fieldcat.
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fieldcatalog-key = 'X'.
* fieldcatalog-do_sum = 'X'.
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clear fieldcatalog.
fieldcatalog-fieldname = 'EBELP'.
fieldcatalog-seltext_m = 'PO Item'.
fieldcatalog-col_pos = 1.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
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fieldcatalog-seltext_m = 'Status'.
fieldcatalog-col_pos = 2.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'AEDAT'.
fieldcatalog-seltext_m = 'Item change date'.
fieldcatalog-col_pos = 3.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'MATNR'.
fieldcatalog-seltext_m = 'Material Number'.
fieldcatalog-col_pos = 4.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
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fieldcatalog-col_pos = 5.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.
fieldcatalog-fieldname = 'MEINS'.
fieldcatalog-seltext_m = 'Order Unit'.
fieldcatalog-col_pos = 6.
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clear fieldcatalog.
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fieldcatalog-seltext_m = 'Net Price'.
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fieldcatalog-outputlen = 15.
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fieldcatalog-datatype = 'CURR'.
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clear fieldcatalog.
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others = 2.
if sy-subrc <> 0.
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* Retrieve data form EKPO table and populate itab it_ekko
form data_retrieval.
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TYPE-POOLS: slis. "ALV Declarations
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ebeln TYPE ekpo-ebeln,
ebelp TYPE ekpo-ebelp,
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