ABAP Select data from SAP table ROIUBL_PBAX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUBL_PBAX 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 ROIUBL_PBAX. 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 ROIUBL_PBAX 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_ROIUBL_PBAX TYPE STANDARD TABLE OF ROIUBL_PBAX,
      WA_ROIUBL_PBAX TYPE ROIUBL_PBAX,
      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: <ROIUBL_PBAX> TYPE ROIUBL_PBAX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUBL_PBAX
*  INTO TABLE @DATA(IT_ROIUBL_PBAX2).
*--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_ROIUBL_PBAX INDEX 1 INTO DATA(WA_ROIUBL_PBAX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUBL_PBAX>-PBA_NO = 1.
<ROIUBL_PBAX>-MP_NO = 1.
<ROIUBL_PBAX>-WL_NO = 1.
<ROIUBL_PBAX>-WC_NO = 1.
<ROIUBL_PBAX>-MATNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUBL_PBAX-BUKRS, sy-vline,
  WA_ROIUBL_PBAX-VNAME, sy-vline,
  WA_ROIUBL_PBAX-DOI_NO, sy-vline,
  WA_ROIUBL_PBAX-EFF_FROM_DT, sy-vline,
  WA_ROIUBL_PBAX-EFF_TO_DT, sy-vline,
  WA_ROIUBL_PBAX-MP_DE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUBL_PBAX 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_ROIUBL_PBAX 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_ROIUBL_PBAX INTO WA_ROIUBL_PBAX.


*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 ALPHA, internal->external for field PBA_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUBL_PBAX-PBA_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUBL_PBAX-PBA_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MP_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUBL_PBAX-MP_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUBL_PBAX-MP_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WL_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUBL_PBAX-WL_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUBL_PBAX-WL_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WC_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUBL_PBAX-WC_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUBL_PBAX-WC_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ROIUBL_PBAX-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUBL_PBAX-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUBL_PBAX-VNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUBL_PBAX-VNAME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOI_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUBL_PBAX-DOI_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUBL_PBAX-DOI_NO.
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_ROIUBL_PBAX_STR, 
PBA_NO TYPE STRING,
MP_NO TYPE STRING,
WL_NO TYPE STRING,
WC_NO TYPE STRING,
MATNR TYPE STRING,
BUKRS TYPE STRING,
VNAME TYPE STRING,
DOI_NO TYPE STRING,
EFF_FROM_DT TYPE STRING,
EFF_TO_DT TYPE STRING,
MP_DE TYPE STRING,
NAME TYPE STRING,
DOI_NM TYPE STRING,
BUTXT TYPE STRING,
PBA_DE TYPE STRING,
MAKTX TYPE STRING,
XXDBACTION TYPE STRING,
OIU_CRUSER TYPE STRING,
OIU_TIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUBL_PBAX_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_ROIUBL_PBAX_STR-PBA_NO sy-vline 
WA_ROIUBL_PBAX_STR-MP_NO sy-vline 
WA_ROIUBL_PBAX_STR-WL_NO sy-vline 
WA_ROIUBL_PBAX_STR-WC_NO sy-vline 
WA_ROIUBL_PBAX_STR-MATNR sy-vline 
WA_ROIUBL_PBAX_STR-BUKRS sy-vline 
WA_ROIUBL_PBAX_STR-VNAME sy-vline 
WA_ROIUBL_PBAX_STR-DOI_NO sy-vline 
WA_ROIUBL_PBAX_STR-EFF_FROM_DT sy-vline 
WA_ROIUBL_PBAX_STR-EFF_TO_DT sy-vline 
WA_ROIUBL_PBAX_STR-MP_DE sy-vline 
WA_ROIUBL_PBAX_STR-NAME sy-vline 
WA_ROIUBL_PBAX_STR-DOI_NM sy-vline 
WA_ROIUBL_PBAX_STR-BUTXT sy-vline 
WA_ROIUBL_PBAX_STR-PBA_DE sy-vline 
WA_ROIUBL_PBAX_STR-MAKTX sy-vline 
WA_ROIUBL_PBAX_STR-XXDBACTION sy-vline 
WA_ROIUBL_PBAX_STR-OIU_CRUSER sy-vline 
WA_ROIUBL_PBAX_STR-OIU_TIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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