SAP DB2EDMPOOL ABAP Select data from SAP table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DB2EDMPOOL table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to DB2EDMPOOL. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the DB2EDMPOOL table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_DB2EDMPOOL TYPE STANDARD TABLE OF DB2EDMPOOL,
      WA_DB2EDMPOOL TYPE DB2EDMPOOL,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <DB2EDMPOOL> TYPE DB2EDMPOOL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DB2EDMPOOL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DB2EDMPOOL
  INTO TABLE IT_DB2EDMPOOL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DB2EDMPOOL
*  INTO TABLE @DATA(IT_DB2EDMPOOL2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_DB2EDMPOOL INDEX 1 INTO DATA(WA_DB2EDMPOOL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DB2EDMPOOL ASSIGNING <DB2EDMPOOL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DB2EDMPOOL>-SKELPGINUSE = 1.
<DB2EDMPOOL>-DBDPGINUSE = 1.
<DB2EDMPOOL>-EPPTHITRAT = 1.
<DB2EDMPOOL>-EPPGINUSEV9 = 1.
<DB2EDMPOOL>-EPCTHITRAT = 1.

ENDLOOP.

LOOP AT IT_DB2EDMPOOL INTO WA_DB2EDMPOOL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DB2EDMPOOL-QISESKCTV9, sy-vline,
  WA_DB2EDMPOOL-QISESKPTV9, sy-vline,
  WA_DB2EDMPOOL-EPDBDHITRAT, sy-vline,
  WA_DB2EDMPOOL-QISEFAIL, sy-vline,
  WA_DB2EDMPOOL-QISEPAGE, sy-vline,
  WA_DB2EDMPOOL-QISECTG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DB2EDMPOOL you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_DB2EDMPOOL TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_DB2EDMPOOL INTO WA_DB2EDMPOOL.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_DB2EDMPOOL_STR, 
SKELPGINUSE TYPE STRING,
DBDPGINUSE TYPE STRING,
EPPTHITRAT TYPE STRING,
EPPGINUSEV9 TYPE STRING,
EPCTHITRAT TYPE STRING,
QISESKCTV9 TYPE STRING,
QISESKPTV9 TYPE STRING,
EPDBDHITRAT TYPE STRING,
QISEFAIL TYPE STRING,
QISEPAGE TYPE STRING,
QISECTG TYPE STRING,
QISECTL TYPE STRING,
QISECT TYPE STRING,
QISEFREE TYPE STRING,
QISEDBD TYPE STRING,
QISESKCT TYPE STRING,
QISEDBDG TYPE STRING,
QISEDBDL TYPE STRING,
QISEKTG TYPE STRING,
QISEKTL TYPE STRING,
QISEKT TYPE STRING,
QISESKPT TYPE STRING,
QISEDSI TYPE STRING,
QISEDSG TYPE STRING,
QISEDSC TYPE STRING,
QISEDFAL TYPE STRING,
QISEDPGE TYPE STRING,
QISEDFRE TYPE STRING,
QISECPGE TYPE STRING,
QISECFRE TYPE STRING,
QISESTMT TYPE STRING,
QISECFAL TYPE STRING,
QISEKFAL TYPE STRING,
QISEKPGE TYPE STRING,
QISEKFRE TYPE STRING,
QISECTA TYPE STRING,
QISEKTA TYPE STRING,
QISESFAL TYPE STRING,
QISESPGE TYPE STRING,
QISESFRE TYPE STRING,
QISEKNFM TYPE STRING,
QISEKNFA TYPE STRING,
QISEKNFR TYPE STRING,
QISEKSPG TYPE STRING,
QISEKLRU TYPE STRING,
QISEDLRU TYPE STRING,
QISESQCB TYPE STRING,
QISESQKB TYPE STRING,
QISESQCA TYPE STRING,
QISESQKA TYPE STRING,
QISEKSPA8 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DB2EDMPOOL_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_DB2EDMPOOL_STR-SKELPGINUSE sy-vline 
WA_DB2EDMPOOL_STR-DBDPGINUSE sy-vline 
WA_DB2EDMPOOL_STR-EPPTHITRAT sy-vline 
WA_DB2EDMPOOL_STR-EPPGINUSEV9 sy-vline 
WA_DB2EDMPOOL_STR-EPCTHITRAT sy-vline 
WA_DB2EDMPOOL_STR-QISESKCTV9 sy-vline 
WA_DB2EDMPOOL_STR-QISESKPTV9 sy-vline 
WA_DB2EDMPOOL_STR-EPDBDHITRAT sy-vline 
WA_DB2EDMPOOL_STR-QISEFAIL sy-vline 
WA_DB2EDMPOOL_STR-QISEPAGE sy-vline 
WA_DB2EDMPOOL_STR-QISECTG sy-vline 
WA_DB2EDMPOOL_STR-QISECTL sy-vline 
WA_DB2EDMPOOL_STR-QISECT sy-vline 
WA_DB2EDMPOOL_STR-QISEFREE sy-vline 
WA_DB2EDMPOOL_STR-QISEDBD sy-vline 
WA_DB2EDMPOOL_STR-QISESKCT sy-vline 
WA_DB2EDMPOOL_STR-QISEDBDG sy-vline 
WA_DB2EDMPOOL_STR-QISEDBDL sy-vline 
WA_DB2EDMPOOL_STR-QISEKTG sy-vline 
WA_DB2EDMPOOL_STR-QISEKTL sy-vline 
WA_DB2EDMPOOL_STR-QISEKT sy-vline 
WA_DB2EDMPOOL_STR-QISESKPT sy-vline 
WA_DB2EDMPOOL_STR-QISEDSI sy-vline 
WA_DB2EDMPOOL_STR-QISEDSG sy-vline 
WA_DB2EDMPOOL_STR-QISEDSC sy-vline 
WA_DB2EDMPOOL_STR-QISEDFAL sy-vline 
WA_DB2EDMPOOL_STR-QISEDPGE sy-vline 
WA_DB2EDMPOOL_STR-QISEDFRE sy-vline 
WA_DB2EDMPOOL_STR-QISECPGE sy-vline 
WA_DB2EDMPOOL_STR-QISECFRE sy-vline 
WA_DB2EDMPOOL_STR-QISESTMT sy-vline 
WA_DB2EDMPOOL_STR-QISECFAL sy-vline 
WA_DB2EDMPOOL_STR-QISEKFAL sy-vline 
WA_DB2EDMPOOL_STR-QISEKPGE sy-vline 
WA_DB2EDMPOOL_STR-QISEKFRE sy-vline 
WA_DB2EDMPOOL_STR-QISECTA sy-vline 
WA_DB2EDMPOOL_STR-QISEKTA sy-vline 
WA_DB2EDMPOOL_STR-QISESFAL sy-vline 
WA_DB2EDMPOOL_STR-QISESPGE sy-vline 
WA_DB2EDMPOOL_STR-QISESFRE sy-vline 
WA_DB2EDMPOOL_STR-QISEKNFM sy-vline 
WA_DB2EDMPOOL_STR-QISEKNFA sy-vline 
WA_DB2EDMPOOL_STR-QISEKNFR sy-vline 
WA_DB2EDMPOOL_STR-QISEKSPG sy-vline 
WA_DB2EDMPOOL_STR-QISEKLRU sy-vline 
WA_DB2EDMPOOL_STR-QISEDLRU sy-vline 
WA_DB2EDMPOOL_STR-QISESQCB sy-vline 
WA_DB2EDMPOOL_STR-QISESQKB sy-vline 
WA_DB2EDMPOOL_STR-QISESQCA sy-vline 
WA_DB2EDMPOOL_STR-QISESQKA sy-vline 
WA_DB2EDMPOOL_STR-QISEKSPA8 sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.

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