ABAP Select data from SAP table ROIU_TIER_GROSS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIU_TIER_GROSS
*  INTO TABLE @DATA(IT_ROIU_TIER_GROSS2).
*--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_ROIU_TIER_GROSS INDEX 1 INTO DATA(WA_ROIU_TIER_GROSS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIU_TIER_GROSS>-OR_LVL_1_NO = 1.
<ROIU_TIER_GROSS>-DN_NO = 1.
<ROIU_TIER_GROSS>-SALE_DT = 1.
<ROIU_TIER_GROSS>-WL_NO = 1.
<ROIU_TIER_GROSS>-WC_NO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIU_TIER_GROSS-MP_NO, sy-vline,
  WA_ROIU_TIER_GROSS-VNAME, sy-vline,
  WA_ROIU_TIER_GROSS-DOI_NO, sy-vline,
  WA_ROIU_TIER_GROSS-MAJPD_CD, sy-vline,
  WA_ROIU_TIER_GROSS-PD_CD, sy-vline,
  WA_ROIU_TIER_GROSS-CT_NO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIU_TIER_GROSS 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_ROIU_TIER_GROSS 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_ROIU_TIER_GROSS INTO WA_ROIU_TIER_GROSS.


*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 DN_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIU_TIER_GROSS-DN_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIU_TIER_GROSS-DN_NO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field COST_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIU_TIER_GROSS-COST_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIU_TIER_GROSS-COST_CENTER.
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_ROIU_TIER_GROSS_STR, 
OR_LVL_1_NO TYPE STRING,
DN_NO TYPE STRING,
SALE_DT TYPE STRING,
WL_NO TYPE STRING,
WC_NO TYPE STRING,
MP_NO TYPE STRING,
VNAME TYPE STRING,
DOI_NO TYPE STRING,
MAJPD_CD TYPE STRING,
PD_CD TYPE STRING,
CT_NO TYPE STRING,
VL_TYPE_CD TYPE STRING,
OWN_NO TYPE STRING,
INT_TYPE_CD TYPE STRING,
OWN_ISQ_NO TYPE STRING,
TAX_TYPE TYPE STRING,
ORIG_MP_NO TYPE STRING,
COST_CENTER TYPE STRING,
TAX_CLS TYPE STRING,
ACT_GR_BASE TYPE STRING,
ACT_GR_ABOVE TYPE STRING,
ENT_GR_BASE TYPE STRING,
ENT_GR_ABOVE TYPE STRING,
CURR TYPE STRING,
EOR_RI_DECM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIU_TIER_GROSS_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_ROIU_TIER_GROSS_STR-OR_LVL_1_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-DN_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-SALE_DT sy-vline 
WA_ROIU_TIER_GROSS_STR-WL_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-WC_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-MP_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-VNAME sy-vline 
WA_ROIU_TIER_GROSS_STR-DOI_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-MAJPD_CD sy-vline 
WA_ROIU_TIER_GROSS_STR-PD_CD sy-vline 
WA_ROIU_TIER_GROSS_STR-CT_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-VL_TYPE_CD sy-vline 
WA_ROIU_TIER_GROSS_STR-OWN_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-INT_TYPE_CD sy-vline 
WA_ROIU_TIER_GROSS_STR-OWN_ISQ_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-TAX_TYPE sy-vline 
WA_ROIU_TIER_GROSS_STR-ORIG_MP_NO sy-vline 
WA_ROIU_TIER_GROSS_STR-COST_CENTER sy-vline 
WA_ROIU_TIER_GROSS_STR-TAX_CLS sy-vline 
WA_ROIU_TIER_GROSS_STR-ACT_GR_BASE sy-vline 
WA_ROIU_TIER_GROSS_STR-ACT_GR_ABOVE sy-vline 
WA_ROIU_TIER_GROSS_STR-ENT_GR_BASE sy-vline 
WA_ROIU_TIER_GROSS_STR-ENT_GR_ABOVE sy-vline 
WA_ROIU_TIER_GROSS_STR-CURR sy-vline 
WA_ROIU_TIER_GROSS_STR-EOR_RI_DECM sy-vline      INTO ld_text SEPARATED BY SPACE.

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