ABAP Select data from SAP table EPROFHEAD_AUTO_HEAD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EPROFHEAD_AUTO_HEAD
*  INTO TABLE @DATA(IT_EPROFHEAD_AUTO_HEAD2).
*--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_EPROFHEAD_AUTO_HEAD INDEX 1 INTO DATA(WA_EPROFHEAD_AUTO_HEAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EPROFHEAD_AUTO_HEAD>-PROFTEXT = 1.
<EPROFHEAD_AUTO_HEAD>-SPARTE = 1.
<EPROFHEAD_AUTO_HEAD>-PROFTYPE = 1.
<EPROFHEAD_AUTO_HEAD>-PROFVALCAT = 1.
<EPROFHEAD_AUTO_HEAD>-VALUECUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EPROFHEAD_AUTO_HEAD-INTSIZEID, sy-vline,
  WA_EPROFHEAD_AUTO_HEAD-MASS, sy-vline,
  WA_EPROFHEAD_AUTO_HEAD-PROFDECIMALS, sy-vline,
  WA_EPROFHEAD_AUTO_HEAD-SOURCE, sy-vline,
  WA_EPROFHEAD_AUTO_HEAD-OBJNR, sy-vline,
  WA_EPROFHEAD_AUTO_HEAD-PROFOFFSET, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EPROFHEAD_AUTO_HEAD 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_EPROFHEAD_AUTO_HEAD 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_EPROFHEAD_AUTO_HEAD INTO WA_EPROFHEAD_AUTO_HEAD.


*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 CUNIT, internal->external for field MASS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EPROFHEAD_AUTO_HEAD-MASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EPROFHEAD_AUTO_HEAD-MASS.
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_EPROFHEAD_AUTO_HEAD_STR, 
PROFTEXT TYPE STRING,
SPARTE TYPE STRING,
PROFTYPE TYPE STRING,
PROFVALCAT TYPE STRING,
VALUECUM TYPE STRING,
INTSIZEID TYPE STRING,
MASS TYPE STRING,
PROFDECIMALS TYPE STRING,
SOURCE TYPE STRING,
OBJNR TYPE STRING,
PROFOFFSET TYPE STRING,
CONCHECKGRP TYPE STRING,
FORWARD_ORIENTED TYPE STRING,
LASTVERSNO TYPE STRING,
WAERS TYPE STRING,
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
DATETO TYPE STRING,
TIMETO TYPE STRING,
ARCH_DATEFROM TYPE STRING,
ARCH_TIMEFROM TYPE STRING,
ARCH_DATETO TYPE STRING,
ARCH_TIMETO TYPE STRING,
REF_PROFILE TYPE STRING,
REPLACEMETHODGRP TYPE STRING,
DAY_OFFSET TYPE STRING,
TIME_ZONE TYPE STRING,
SRCPROFILE TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
MDUS_LOCATED TYPE STRING,
TOU_BILLABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EPROFHEAD_AUTO_HEAD_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_EPROFHEAD_AUTO_HEAD_STR-PROFTEXT sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-SPARTE sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-PROFTYPE sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-PROFVALCAT sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-VALUECUM sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-INTSIZEID sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-MASS sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-PROFDECIMALS sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-SOURCE sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-OBJNR sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-PROFOFFSET sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-CONCHECKGRP sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-FORWARD_ORIENTED sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-LASTVERSNO sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-WAERS sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-DATEFROM sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-TIMEFROM sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-DATETO sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-TIMETO sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-ARCH_DATEFROM sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-ARCH_TIMEFROM sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-ARCH_DATETO sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-ARCH_TIMETO sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-REF_PROFILE sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-REPLACEMETHODGRP sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-DAY_OFFSET sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-TIME_ZONE sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-SRCPROFILE sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-ERDAT sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-ERNAM sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-AEDAT sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-AENAM sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-BEGRU sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-LOEVM sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-MDUS_LOCATED sy-vline 
WA_EPROFHEAD_AUTO_HEAD_STR-TOU_BILLABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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