ABAP Select data from SAP table /SAPAPO/BLRG_REQ_DATA_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/BLRG_REQ_DATA_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/BLRG_REQ_DATA_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/BLRG_REQ_DATA_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/BLRG_REQ_DATA_STR TYPE STANDARD TABLE OF /SAPAPO/BLRG_REQ_DATA_STR,
      WA_/SAPAPO/BLRG_REQ_DATA_STR TYPE /SAPAPO/BLRG_REQ_DATA_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/BLRG_REQ_DATA_STR> TYPE /SAPAPO/BLRG_REQ_DATA_STR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/BLRG_REQ_DATA_STR
*  INTO TABLE @DATA(IT_/SAPAPO/BLRG_REQ_DATA_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/BLRG_REQ_DATA_STR INDEX 1 INTO DATA(WA_/SAPAPO/BLRG_REQ_DATA_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/BLRG_REQ_DATA_STR>-COMPONENT_ID = 1.
</SAPAPO/BLRG_REQ_DATA_STR>-LINE_NO = 1.
</SAPAPO/BLRG_REQ_DATA_STR>-MATID = 1.
</SAPAPO/BLRG_REQ_DATA_STR>-RESUID = 1.
</SAPAPO/BLRG_REQ_DATA_STR>-SIMVERSID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/BLRG_REQ_DATA_STR-ORIGIN, sy-vline,
  WA_/SAPAPO/BLRG_REQ_DATA_STR-AREA, sy-vline,
  WA_/SAPAPO/BLRG_REQ_DATA_STR-PROD_FAC, sy-vline,
  WA_/SAPAPO/BLRG_REQ_DATA_STR-EQUIV_UNIT, sy-vline,
  WA_/SAPAPO/BLRG_REQ_DATA_STR-LOCID, sy-vline,
  WA_/SAPAPO/BLRG_REQ_DATA_STR-LOCNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/BLRG_REQ_DATA_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/BLRG_REQ_DATA_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/BLRG_REQ_DATA_STR INTO WA_/SAPAPO/BLRG_REQ_DATA_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.

*Conversion exit VRSIO, internal->external for field SIMVERSID
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/BLRG_REQ_DATA_STR-SIMVERSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/BLRG_REQ_DATA_STR-SIMVERSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EQUIV_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/BLRG_REQ_DATA_STR-EQUIV_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/BLRG_REQ_DATA_STR-EQUIV_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit VRSIO, internal->external for field VRSIOID
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/BLRG_REQ_DATA_STR-VRSIOID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/BLRG_REQ_DATA_STR-VRSIOID.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_/SAPAPO/BLRG_REQ_DATA_STR_STR, 
COMPONENT_ID TYPE STRING,
LINE_NO TYPE STRING,
MATID TYPE STRING,
RESUID TYPE STRING,
SIMVERSID TYPE STRING,
ORIGIN TYPE STRING,
AREA TYPE STRING,
PROD_FAC TYPE STRING,
EQUIV_UNIT TYPE STRING,
LOCID TYPE STRING,
LOCNO TYPE STRING,
NAME TYPE STRING,
VRSIOEX TYPE STRING,
VRSIOID TYPE STRING,
PEG_ID TYPE STRING,
BLOCK_DATA TYPE STRING,
TIME_INTERVAL TYPE STRING,
CONDITION_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/BLRG_REQ_DATA_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/BLRG_REQ_DATA_STR_STR-COMPONENT_ID sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-LINE_NO sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-MATID sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-RESUID sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-SIMVERSID sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-ORIGIN sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-AREA sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-PROD_FAC sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-EQUIV_UNIT sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-LOCID sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-LOCNO sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-NAME sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-VRSIOEX sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-VRSIOID sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-PEG_ID sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-BLOCK_DATA sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-TIME_INTERVAL sy-vline 
WA_/SAPAPO/BLRG_REQ_DATA_STR_STR-CONDITION_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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