Join Table & Dynamic Selection

Hi Gurus,
I need to do a performance tuning on a bad response time program.
Therefore i use inner join to improve the response time, it works.
But my problem is the original program was using dynamic selection(with LDB), so i need to retain the same feature(i.e. dynamic selection) in new program.
I use FM 'FREE_SELECTIONS_INIT' & FM 'FREE_SELECTIONS_DIALOG' to let user entering dynamic selections.
How can the SELECT with JOIN be done with dynamic selection?
Thanks in advance.
Regards,
Hikaruno

Hai ... here is the program for using the dynamic selection FM used .
REPORT zmodtab NO STANDARD PAGE HEADING.
TYPE-POOLS: rsds.
DATA: is_x030l TYPE x030l,
 it_dfies TYPE TABLE OF dfies,
 is_dfies TYPE dfies,
 it_fdiff TYPE TABLE OF field_dif,
 is_fdiff TYPE field_dif.
DATA: w_selid TYPE rsdynsel-selid,
 it_tables TYPE TABLE OF rsdstabs,
 is_tables TYPE rsdstabs,
 it_fields TYPE TABLE OF rsdsfields,
 it_expr TYPE rsds_texpr,
 it_ranges TYPE rsds_trange,
 it_where TYPE rsds_twhere,
 is_where TYPE rsds_where,
 w_active TYPE i.
DATA: it_content TYPE REF TO data,
 it_modif TYPE REF TO data,
 it_fcat TYPE lvc_t_fcat.
DATA: w_okcode TYPE sy-ucomm.
FIELD-SYMBOLS: <itab> TYPE STANDARD TABLE,
 <ntab> TYPE STANDARD TABLE.
* Macros
DEFINE table_error.
message e398(00) with 'Table' p_table &1.
END-OF-DEFINITION.
DEFINE fixed_val.
is_fdiff-fieldname = is_dfies-fieldname.
is_fdiff-fixed_val = &1.
is_fdiff-no_input = 'X'.
append is_fdiff to it_fdiff.
END-OF-DEFINITION.
* Selection screen
SELECTION-SCREEN: BEGIN OF BLOCK b01 WITH FRAME.
PARAMETERS: p_table TYPE tabname OBLIGATORY "table
 MEMORY ID dtb
 MATCHCODE OBJECT dd_dbtb_16.
SELECTION-SCREEN: BEGIN OF LINE,
 PUSHBUTTON 33(20) selopt USER-COMMAND sel,
 COMMENT 55(15) selcnt,
 END OF LINE.
SELECTION-SCREEN: SKIP.
PARAMETERS: p_rows TYPE i. "rows
SELECTION-SCREEN: END OF BLOCK b01,
 SKIP,
 BEGIN OF BLOCK b02 WITH FRAME.
PARAMETERS: p_displ TYPE c AS CHECKBOX. "display
SELECTION-SCREEN: END OF BLOCK b02.
* Initialization
INITIALIZATION.
MOVE '@4G@ Filter records' TO selopt.
* PBO
AT SELECTION-SCREEN OUTPUT.
IF w_active IS INITIAL.
 CLEAR: selcnt.
ELSE.
 WRITE w_active TO selcnt LEFT-JUSTIFIED.
ENDIF.
* PAI
AT SELECTION-SCREEN.
IF p_table NE is_x030l-tabname.
 CALL FUNCTION 'DDIF_NAMETAB_GET'
 EXPORTING
 tabname = p_table
 IMPORTING
 x030l_wa = is_x030l
 TABLES
 dfies_tab = it_dfies
 EXCEPTIONS
 OTHERS = 1.
 IF is_x030l IS INITIAL.
 table_error 'does not exist or is not active'.
 ELSEIF is_x030l-tabtype NE 'T'.
 table_error 'is not selectable'.
 ELSEIF is_x030l-align NE 0.
 table_error 'has alignment - cannot continue'.
 ENDIF.
* Default values for system fields
 REFRESH: it_fdiff.
 is_fdiff-tabname = p_table.
 LOOP AT it_dfies INTO is_dfies.
 IF is_dfies-datatype = 'CLNT'.
 fixed_val sy-mandt.
 ELSEIF is_dfies-rollname = 'ERDAT'
 OR is_dfies-rollname = 'ERSDA'
 OR is_dfies-rollname = 'AEDAT'
 OR is_dfies-rollname = 'LAEDA'.
 fixed_val sy-datum.
 ELSEIF is_dfies-rollname = 'ERTIM'
 OR is_dfies-rollname = 'AETIM'.
 fixed_val sy-uzeit.
 ELSEIF is_dfies-rollname = 'ERNAM'
 OR is_dfies-rollname = 'AENAM'.
 fixed_val sy-uname.
 ENDIF.
 ENDLOOP.
* Prepare free selection on table
 REFRESH it_tables.
 is_tables-prim_tab = p_table.
 APPEND is_tables TO it_tables.
 CLEAR: w_selid.
ENDIF.
IF sy-ucomm = 'SEL'.
 IF w_selid IS INITIAL.
* Init free selection dialog
 CALL FUNCTION 'FREE_SELECTIONS_INIT'
 EXPORTING
 expressions = it_expr
 IMPORTING
 selection_id = w_selid
 expressions = it_expr
 TABLES
 tables_tab = it_tables
 EXCEPTIONS
 OTHERS = 1.
 ENDIF.
* Display free selection dialog
 CALL FUNCTION 'FREE_SELECTIONS_DIALOG'
 EXPORTING
 selection_id = w_selid
 title = 'Selection'
 status = 1
 as_window = 'X'
 IMPORTING
 expressions = it_expr
 field_ranges = it_ranges
 number_of_active_fields = w_active
 TABLES
 fields_tab = it_fields
 EXCEPTIONS
 OTHERS = 1.
ENDIF.
* Start of processing
START-OF-SELECTION.
PERFORM f_create_table USING p_table.
PERFORM f_select_table.
PERFORM f_display_table.
* FORM f_create_table *
FORM f_create_table USING in_tabname.
FIELD-SYMBOLS: <fcat> TYPE lvc_s_fcat.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
 EXPORTING
 i_structure_name = in_tabname
 CHANGING
 ct_fieldcat = it_fcat
 EXCEPTIONS
 OTHERS = 1.
IF sy-subrc = 0.
* Complete field catalog
 LOOP AT it_fcat ASSIGNING <fcat>.
 <fcat>-tabname = in_tabname.
 ENDLOOP.
 CALL FUNCTION 'LVC_FIELDCAT_COMPLETE'
 CHANGING
 ct_fieldcat = it_fcat
 EXCEPTIONS
 OTHERS = 1.
ELSE.
 WRITE: 'Error building field catalog'.
 STOP.
ENDIF.
* Create dynamic table for data
CALL METHOD cl_alv_table_create=>create_dynamic_table
 EXPORTING
 it_fieldcatalog = it_fcat
 IMPORTING
 ep_table = it_content.
IF sy-subrc = 0.
 ASSIGN it_content->* TO <itab>.
ELSE.
 WRITE: 'Error creating internal table'.
 STOP.
ENDIF.
* Create dynamic table for modif
CALL METHOD cl_alv_table_create=>create_dynamic_table
 EXPORTING
 it_fieldcatalog = it_fcat
 IMPORTING
 ep_table = it_modif.
IF sy-subrc = 0.
 ASSIGN it_modif->* TO <ntab>.
ELSE.
 WRITE: 'Error creating internal table'.
 STOP.
ENDIF.
ENDFORM.
* FORM f_select_table *
FORM f_select_table.
IF w_active = 0.
 SELECT * FROM (p_table)
 INTO CORRESPONDING FIELDS OF TABLE <itab>
 UP TO p_rows ROWS.
ELSE.
* Selection with parameters
 CALL FUNCTION 'FREE_SELECTIONS_RANGE_2_WHERE'
 EXPORTING
 field_ranges = it_ranges
 IMPORTING
 where_clauses = it_where.
 READ TABLE it_where INTO is_where WITH KEY tablename = p_table.
 SELECT * FROM (p_table)
 INTO CORRESPONDING FIELDS OF TABLE <itab>
 UP TO p_rows ROWS
 WHERE (is_where-where_tab).
ENDIF.
IF sy-dbcnt = 0.
 WRITE: 'No record selected'.
 STOP.
ENDIF.
ENDFORM.
* FORM f_display_table *
FORM f_display_table.
DATA: l_answer TYPE c,
 l_eflag TYPE c.
CLEAR: w_okcode.
REFRESH: <ntab>.
* Display table contents
CALL FUNCTION 'STC1_FULLSCREEN_TABLE_CONTROL'
 EXPORTING
 header = p_table
 tabname = p_table
 display_only = p_displ
 endless = 'X'
 no_button = space
 IMPORTING
 okcode = w_okcode
 TABLES
 nametab = it_dfies
 table = <itab>
 fielddif = it_fdiff
 modif_table = <ntab>
 EXCEPTIONS
 OTHERS = 1.
IF sy-subrc = 0.
 IF p_displ IS INITIAL AND w_okcode = 'SAVE'.
* Confirm update
 CALL FUNCTION 'POPUP_TO_CONFIRM'
 EXPORTING
 titlebar = p_table
 text_question = 'Do you want to update table ?'
 default_button = '2'
 display_cancel_button = ' '
 IMPORTING
 answer = l_answer
 EXCEPTIONS
 OTHERS = 1.
 IF l_answer = '1'.
* Apply modifications
 IF NOT <ntab>[] IS INITIAL.
 PERFORM f_add_system USING space.
 MODIFY (p_table) FROM TABLE <ntab>.
 IF sy-subrc NE 0.
 l_eflag = 'X'.
 ENDIF.
 ENDIF.
* Apply deletions
 IF l_eflag IS INITIAL.
 REFRESH: <ntab>.
 CALL FUNCTION 'STC1_GET_DATA'
 TABLES
 deleted_data = <ntab>
 EXCEPTIONS
 OTHERS = 1.
 IF NOT <ntab>[] IS INITIAL.
 DELETE (p_table) FROM TABLE <ntab>.
 IF sy-subrc NE 0.
 ROLLBACK WORK.
 l_eflag = 'X'.
 ENDIF.
 ENDIF.
 ENDIF.
* Apply creations
 IF l_eflag IS INITIAL.
 REFRESH: <ntab>.
 CALL FUNCTION 'STC1_GET_DATA'
 TABLES
 new_data = <ntab>
 EXCEPTIONS
 OTHERS = 1.
 IF NOT <ntab>[] IS INITIAL.
 PERFORM f_add_system USING 'X'.
 INSERT (p_table) FROM TABLE <ntab>.
 IF sy-subrc NE 0.
 ROLLBACK WORK.
 l_eflag = 'X'.
 ENDIF.
 ENDIF.
 ENDIF.
 IF l_eflag IS INITIAL.
 COMMIT WORK.
 MESSAGE s261(53).
 ELSE.
 MESSAGE s075(3i).
 PERFORM f_select_table.
 ENDIF.
 ENDIF.
* Display table again
 PERFORM f_display_table.
 ENDIF.
ENDIF.
ENDFORM.
* FORM f_add_system *
FORM f_add_system USING new TYPE c.
FIELD-SYMBOLS: <irec> TYPE ANY,
 <upd> TYPE ANY.
LOOP AT it_fdiff INTO is_fdiff.
 READ TABLE it_dfies INTO is_dfies
 WITH KEY fieldname = is_fdiff-fieldname.
 LOOP AT <ntab> ASSIGNING <irec>.
 ASSIGN COMPONENT is_fdiff-fieldname OF STRUCTURE <irec> TO <upd>.
 IF is_dfies-datatype = 'CLNT'.
 <upd> = sy-mandt.
 ELSE.
 CASE is_dfies-rollname.
 WHEN 'AENAM'.
 <upd> = sy-uname.
 WHEN 'AEDAT' OR 'LAEDA'.
 <upd> = sy-datum.
 WHEN 'AETIM'.
 <upd> = sy-uzeit.
 WHEN OTHERS.
 ENDCASE.
 ENDIF.
 ENDLOOP.
ENDLOOP.
ENDFORM.
reward points if it is usefull......
Girish

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hI,
TAKE THIS CODE... HOPE IT WORKS FOR YOU....
clear: itwa_where_cond[], itwa_where_cond.
move `BZOBJ = '0'` to wa_where_cond.
append wa_where_cond to itwa_where_cond.
clear wa_where_cond.
concatenate `AND KADKY >= '` l_date_start `'` into wa_where_cond.
append wa_where_cond to itwa_where_cond.
clear wa_where_cond.
concatenate `AND KADKY <= '` l_date_end `'` into wa_where_cond.
append wa_where_cond to itwa_where_cond.
clear wa_where_cond.
concatenate `AND MATNR = '` wa_matwrk-matnr `'` into wa_where_cond.
append wa_where_cond to itwa_where_cond.
clear wa_where_cond.
concatenate `AND WERKS = '` wa_matwrk-werks `'` into wa_where_cond.
append wa_where_cond to itwa_where_cond.
clear wa_where_cond.
concatenate `AND KOKRS = '` pi_kokrs `'` into wa_where_cond.
append wa_where_cond to itwa_where_cond.
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 append wa_where_cond to itwa_where_cond.
endif.
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 clear wa_where_cond.
 concatenate `AND TVERS = '` pi_tvers `'` into wa_where_cond.
 append wa_where_cond to itwa_where_cond.
endif.
if not pi_klvar is initial.
 clear wa_where_cond.
 concatenate `AND KLVAR = '` pi_klvar `'` into wa_where_cond.
 append wa_where_cond to itwa_where_cond.
endif.
if not pi_feh_sta is initial.
 clear wa_where_cond.
 concatenate `AND FEH_STA = '` pi_feh_sta `'` into wa_where_cond.
 append wa_where_cond to itwa_where_cond.
endif.
if not pi_kkzma is initial.
 clear wa_where_cond.
 concatenate `AND KKZMA = '` pi_kkzma `'` into wa_where_cond.
 append wa_where_cond to itwa_where_cond.
endif.
SELECT * FROM KEKO into corresponding fields of table it_keko
 WHERE (itwa_where_cond).
REGARDS
SIDDARTH

DB connectivity toolkit: syntax error in a SELECT data from joined tables

Hello everyone
I'm trying to put in labview an SQL query on joined tables.
As example I take a DB for storing the data of 2on2 basketball games, whose tables are
matches(matchId,teamA,teamB)
teams(teamId,PlayerAname,PlayerBname,Nationality)
nationalities(NatId,natName)
To get a result table with the match number and the player names along with their nationality I use this query on MySQL (which works on the command line interface)
SELECT MatchID,
t1.PlayerAName, t1.PlayerBName, n1.natName,
t2.PlayerAName, t2.PlayerBName, n2.natName
FROM matches m
INNER JOIN teams t1 ON t1.teamID = m.teamA
INNER JOIN teams t2 ON t2.teamID = m.teamB
INNER JOIN nationalities n1 ON n1.natID = t1.nationality
INNER JOIN nationalities n2 ON n2.natID = t2.nationality
When I put it in labview, using the "select data" block, I get a syntax error as shown in the attached screenshot.
Am I mistanking something in using the JOIN statements, or the aliases?
Thanks in advance!
Solved!
Go to Solution.
Attachments:
select2dabone.vi ‏12 KB

Giovasa wrote:
I do't like very much the chain of blocks execute query+n*(fetch element)+free object, so I try to avoid that as much that I can...
Sounds like a prime candidate for a subVI. You don't have to use it every time, but it probably would help for cases where you do want to put the SQL query directly in code.
Incidentally, if you're doing joins, you might consider using views, as that allows you to hide the details of the interactions of the tables in the DB itself.
Try to take over the world!

Select distinct problem with muliple join tables, help needed

Hi,
I have two main tables. Each has its of sub joined tables.
guest_id_for_reservation connects two major tables. This has
to be that way
because my guest may change the room status from single to
double (and the
similar exceptional requests).
guests reservation
guest_id_for_reservation
countrytable hoteltable
delegationtable roomtype
I form a query. I want to select distinct those results. But
it does not
work.
If I do not include any table related to reservation table
and its sub
joined tables (disregarding guest_id_for_reservation), it
works.
Is there a specific syntax for select distinct of this type
or any
workaround.?
Thank you
Hakan

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So I don't think there's a problem with the AX, and my current wireless network (BT Home Hub) is working fine.
And when I restore factory settings Airport Utility can see the AX before updating settings so the wireless side of AX must work too.
I'm figuring it must be something about the settings that mean AU can't see it anymore. But I can't work out what, since security is the same.
Any ideas would be great!

Dynamic selection of tables

Hi
Is it possible to create a dynamic selection of tables in the 'from' clause.
Thanks in advance

Hi,
Thanks for the reply.
I have two tables. Currently in our existing production system we have two different procedures for example say, P1 and P2. These procedures have the same logic except that the data is retrieved from two different tables.
I felt that if there is a possibility to select data from the tables dynamically then i could just use one common procedure and pass the tables as parameters to that.
To make it more clear, please see the following.
I have two tables , say T1, T2.
I have two procedures P1, P2 in one package.
P1 procedure
Procedure P1 is
cnt number := 0;
Begin
select count(*) into cnt from T1;
if cnt = 0 then
 IF GVAR.T1_RecordNbr <= '1' -- GVAR is Global Variable package
 THEN
 IF NAME_IN('T1.col_name') IS NULL
 THEN
 display_msg('Error');
 END IF;
end if;
end if;
end;
[\pre]
P2 procedure
[pre]
Procedure P2 is
cnt number := 0;
Begin
select count(*) into cnt from T2;
if cnt = 0 then
 IF GVAR.T2_RecordNbr <= '1'
 THEN
 IF NAME_IN('T2.col_name') IS NULL
 THEN
 display_msg('Error');
 END IF;
 end if;
end if;
end;
[\pre]
Now I want to write only one procedure and just change the table names dynamically. Could you please suggest.

Dynamic selection screen fetching the value from table fields

hi gurus,
i have one table say ztable...and i should create a dynamic selection screen which should populate the selection screen by the table field names.
example..if i have 3 fields im my table..my selection screen should have three selection option fields..and in future if i add one more field in my table it should automatically create another slection-option in selection screen..
thanks
Sudheer

Do you mean like SE16 works. If so, you should notice that if you amend the selection fields, the screen program is actually re-generated.
That is what is happening. A program is being created and re-generated.
To create a dynamic selection screen in a single program is not possible ( I may be wrong ). If it is possible, then you would have problems in defining selection screen field names and using them.

Which table the dynamic selection view will be stored

Dear Freinds,
I have created a dynamic selections view form Se80 > Editobject>Selection view > Created by adding the required tables pa0002,pa006,pa0009 . But the transport request we have saved it locally
now i want to create a transport request for the dynamic view . Could any please let me know how to create transport reqest for the Dynamic selection
View which has been created.
regards
divya

HiDivya,
yo have saved the changes into local object and now you want to generate the TRN and for the save you have to change the attribute > GOTO > Other object Entry and changed the package and TRN will generate .
Regards
Sheetal

Extend dynamic selection for a field added on PRPS table

Hi Gurus,
I want to see the field that I've added in PRPS table as part of dynamic selection on the reports like S_ALR_87013542/ S_ALR_87013532. The LDB for project systems is PSJ. How do I make it appear as a dynamic selection on the selection-screen criteria for these reports?
Thanks...

Hi,
We have done this a lot on my project. Follow these steps:
(1) Transaction SE36 for logical database PSJ
(2) Choose menu path Extras -> Selection views (Ctrl+F7)
(3) Change the "Origin of view" to SAP
(4) Find the PRPS_R node in the top, right "Tables/nodes" view.
(5) Double-click PRPS_R.
(6) Find your custom field that you added in PRPS (in the bottom "Table fields/node fields" view.
(7) Choose and enter a 2-character Function Group ID (see the top, left view) next to the new field.
(8) Save and transport...
Best Regards,
James Gaddis

Urgent...... how to select few fields, from database table, (dynamic ita.)

Dear all experts,
I am able to populate all fields data from database table, using dynamic table creation.
eg,
SELECT * FROM (w_tabname) INTO TABLE <t_itab>.
where w_tabname is the table name given by the user, and t_itab is field symbol.
but some requirement is like that i need to pick up only few fields, which user will give at the runtime.
I can take those fields from file into any internal table,
but the problem is that instead of select *, i need to put selected the fields given by user.
i have tried with field symbol, it is not working (as per my knowledge.)
do i need to create any structures dynamically ?
Can anybody please help in this regards ?
Your help will be surely rewarded with points.
Waiting for reply..
Regards
Vinay

Hi Vinay ,
Adding to the below code , you can use some more fields in the select stmt as below:-
REPORT ychatest.
PARAMETERS : p_field1 LIKE dd03l-fieldname,
 P_field2 LIKE dd03l-fieldname,
 p_table LIKE dd03l-tabname.
FIELD-SYMBOLS : <fs> TYPE STANDARD TABLE.
SELECT (p_field1) (p_field2) ( FROM (p_table) INTO TABLE <fs>.
Now p_field1 & p_field2 belong to the same table since you have give the user to enter only one table name.
This should work fine.
please try & let me know .
Thanks & Regards,
Daniel

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