ABAP Select data from SAP table FMHIE_S_HIE_MAINT_SCREEN_FMPEP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMHIE_S_HIE_MAINT_SCREEN_FMPEP
*  INTO TABLE @DATA(IT_FMHIE_S_HIE_MAINT_SCREEN_FMPEP2).
*--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_FMHIE_S_HIE_MAINT_SCREEN_FMPEP INDEX 1 INTO DATA(WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMHIE_S_HIE_MAINT_SCREEN_FMPEP>-FM_AREA = 1.
<FMHIE_S_HIE_MAINT_SCREEN_FMPEP>-FISCYEAR = 1.
<FMHIE_S_HIE_MAINT_SCREEN_FMPEP>-BS = 1.
<FMHIE_S_HIE_MAINT_SCREEN_FMPEP>-BUDCAT = 1.
<FMHIE_S_HIE_MAINT_SCREEN_FMPEP>-BUDCAT_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-HIE_ID, sy-vline,
  WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-TEXT, sy-vline,
  WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-FUND, sy-vline,
  WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-FUNDSCTR, sy-vline,
  WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-CMMTITEM, sy-vline,
  WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-FUNCAREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP 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_FMHIE_S_HIE_MAINT_SCREEN_FMPEP 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_FMHIE_S_HIE_MAINT_SCREEN_FMPEP INTO WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP.


*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 GJAHR, internal->external for field FISCYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-FISCYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-FISCYEAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit FMCIL, internal->external for field CMMTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-CMMTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-CMMTITEM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit FMCIL, internal->external for field CMMTITEM_C
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-CMMTITEM_C
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-CMMTITEM_C.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field CMMTITEM_H
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-CMMTITEM_H
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-CMMTITEM_H.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR_C
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-GRANT_NBR_C
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP-GRANT_NBR_C.
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_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR, 
FM_AREA TYPE STRING,
FISCYEAR TYPE STRING,
BS TYPE STRING,
BUDCAT TYPE STRING,
BUDCAT_TEXT TYPE STRING,
HIE_ID TYPE STRING,
TEXT TYPE STRING,
FUND TYPE STRING,
FUNDSCTR TYPE STRING,
CMMTITEM TYPE STRING,
FUNCAREA TYPE STRING,
GRANT_NBR TYPE STRING,
MEASURE TYPE STRING,
FUND_C TYPE STRING,
FUNDSCTR_C TYPE STRING,
CMMTITEM_C TYPE STRING,
FUNCAREA_C TYPE STRING,
MEASURE_C TYPE STRING,
FUND_H TYPE STRING,
FUNDSCTR_H TYPE STRING,
CMMTITEM_H TYPE STRING,
FUNCAREA_H TYPE STRING,
MEASURE_H TYPE STRING,
BA_DEFINITION TYPE STRING,
PA_DEFINITION TYPE STRING,
AUTHGRP TYPE STRING,
BUDGET_PD TYPE STRING,
BUDGET_PD_C TYPE STRING,
BUDGET_PD_H TYPE STRING,
USERDIM TYPE STRING,
USERDIM_C TYPE STRING,
USERDIM_H TYPE STRING,
GRANT_NBR_C TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_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_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FM_AREA sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FISCYEAR sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-BS sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-BUDCAT sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-BUDCAT_TEXT sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-HIE_ID sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-TEXT sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUND sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUNDSCTR sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-CMMTITEM sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUNCAREA sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-GRANT_NBR sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-MEASURE sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUND_C sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUNDSCTR_C sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-CMMTITEM_C sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUNCAREA_C sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-MEASURE_C sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUND_H sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUNDSCTR_H sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-CMMTITEM_H sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-FUNCAREA_H sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-MEASURE_H sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-BA_DEFINITION sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-PA_DEFINITION sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-AUTHGRP sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-BUDGET_PD sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-BUDGET_PD_C sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-BUDGET_PD_H sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-USERDIM sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-USERDIM_C sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-USERDIM_H sy-vline 
WA_FMHIE_S_HIE_MAINT_SCREEN_FMPEP_STR-GRANT_NBR_C sy-vline      INTO ld_text SEPARATED BY SPACE.

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