ABAP Select data from SAP table /SAPAPO/MSDPCAP_USER_PARAM_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/MSDPCAP_USER_PARAM_STR 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 /SAPAPO/MSDPCAP_USER_PARAM_STR. 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 /SAPAPO/MSDPCAP_USER_PARAM_STR 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_/SAPAPO/MSDPCAP_USER_PARAM_STR TYPE STANDARD TABLE OF /SAPAPO/MSDPCAP_USER_PARAM_STR,
      WA_/SAPAPO/MSDPCAP_USER_PARAM_STR TYPE /SAPAPO/MSDPCAP_USER_PARAM_STR,
      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: </SAPAPO/MSDPCAP_USER_PARAM_STR> TYPE /SAPAPO/MSDPCAP_USER_PARAM_STR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/MSDPCAP_USER_PARAM_STR
  INTO TABLE IT_/SAPAPO/MSDPCAP_USER_PARAM_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/MSDPCAP_USER_PARAM_STR
*  INTO TABLE @DATA(IT_/SAPAPO/MSDPCAP_USER_PARAM_STR2).
*--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_/SAPAPO/MSDPCAP_USER_PARAM_STR INDEX 1 INTO DATA(WA_/SAPAPO/MSDPCAP_USER_PARAM_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/MSDPCAP_USER_PARAM_STR ASSIGNING </SAPAPO/MSDPCAP_USER_PARAM_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/MSDPCAP_USER_PARAM_STR>-MANDT = 1.
</SAPAPO/MSDPCAP_USER_PARAM_STR>-MVIEW = 1.
</SAPAPO/MSDPCAP_USER_PARAM_STR>-DVIEW = 1.
</SAPAPO/MSDPCAP_USER_PARAM_STR>-UNAME = 1.
</SAPAPO/MSDPCAP_USER_PARAM_STR>-UTSTMP = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/MSDPCAP_USER_PARAM_STR INTO WA_/SAPAPO/MSDPCAP_USER_PARAM_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/MSDPCAP_USER_PARAM_STR-CAPPRF_NAME, sy-vline,
  WA_/SAPAPO/MSDPCAP_USER_PARAM_STR-METHOD, sy-vline,
  WA_/SAPAPO/MSDPCAP_USER_PARAM_STR-DIREC, sy-vline,
  WA_/SAPAPO/MSDPCAP_USER_PARAM_STR-LEVEL_FIXED, sy-vline,
  WA_/SAPAPO/MSDPCAP_USER_PARAM_STR-SET_FIX_FLAG, sy-vline,
  WA_/SAPAPO/MSDPCAP_USER_PARAM_STR-LIFT_ORDERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/MSDPCAP_USER_PARAM_STR 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_/SAPAPO/MSDPCAP_USER_PARAM_STR 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_/SAPAPO/MSDPCAP_USER_PARAM_STR INTO WA_/SAPAPO/MSDPCAP_USER_PARAM_STR.


*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_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR, 
MANDT TYPE STRING,
MVIEW TYPE STRING,
DVIEW TYPE STRING,
UNAME TYPE STRING,
UTSTMP TYPE STRING,
CAPPRF_NAME TYPE STRING,
METHOD TYPE STRING,
DIREC TYPE STRING,
LEVEL_FIXED TYPE STRING,
SET_FIX_FLAG TYPE STRING,
LIFT_ORDERS TYPE STRING,
USAGE_MAX TYPE STRING,
PRIO TYPE STRING,
PRIO_SORT TYPE STRING,
OPT_DLAUF TYPE STRING,
TBID TYPE STRING,
LOG_EXPIRE TYPE STRING,
LOG_ERROR TYPE STRING,
LOG_ALERTS TYPE STRING,
LOG_DETAIL TYPE STRING,
LOG_RESINFO TYPE STRING,
LOG_SHOW TYPE STRING,
USE_ALTRES TYPE STRING,
ALTRES_SEL_ALL TYPE STRING,
ALTRES_SEL_ENUM TYPE STRING,
ALTRES_SEL_PROF TYPE STRING,
ALTRES_PROF TYPE STRING,
SOS_LEVEL TYPE STRING,
CAPPRF_LOADED TYPE STRING,
ALTRES_ENUM_FIRST TYPE STRING,
ALTRES_ENUM_ALL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_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_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-MANDT sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-MVIEW sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-DVIEW sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-UNAME sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-UTSTMP sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-CAPPRF_NAME sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-METHOD sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-DIREC sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-LEVEL_FIXED sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-SET_FIX_FLAG sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-LIFT_ORDERS sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-USAGE_MAX sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-PRIO sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-PRIO_SORT sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-OPT_DLAUF sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-TBID sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-LOG_EXPIRE sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-LOG_ERROR sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-LOG_ALERTS sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-LOG_DETAIL sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-LOG_RESINFO sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-LOG_SHOW sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-USE_ALTRES sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-ALTRES_SEL_ALL sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-ALTRES_SEL_ENUM sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-ALTRES_SEL_PROF sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-ALTRES_PROF sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-SOS_LEVEL sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-CAPPRF_LOADED sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-ALTRES_ENUM_FIRST sy-vline 
WA_/SAPAPO/MSDPCAP_USER_PARAM_STR_STR-ALTRES_ENUM_ALL sy-vline      INTO ld_text SEPARATED BY SPACE.

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