ABAP Select data from SAP table FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM 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 FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM. 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 FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM 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_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM TYPE STANDARD TABLE OF FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM,
      WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM TYPE FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM,
      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: <FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM> TYPE FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM
  INTO TABLE IT_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM
*  INTO TABLE @DATA(IT_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM2).
*--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_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM INDEX 1 INTO DATA(WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM ASSIGNING <FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM>-SUBID = 1.
<FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM>-SUBCAT = 1.
<FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM>-AUTHGRP = 1.
<FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM>-CRNAM = 1.
<FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM>-CRDAT = 1.

ENDLOOP.

LOOP AT IT_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM INTO WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-UPDNAM, sy-vline,
  WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-UPDDAT, sy-vline,
  WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-REM, sy-vline,
  WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-LOTSIZE_MIN, sy-vline,
  WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-LOTSIZE_MAX, sy-vline,
  WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-CONS_FLG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM 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_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM 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_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM INTO WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM.


*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 CHRI2, internal->external for field SUBID
CALL FUNCTION 'CONVERSION_EXIT_CHRI2_OUTPUT'
  EXPORTING
    input =                      WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-SUBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASE_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-BASE_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-BASE_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field INP_TGT_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-INP_TGT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM-INP_TGT_UNIT.
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_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR, 
SUBID TYPE STRING,
SUBCAT TYPE STRING,
AUTHGRP TYPE STRING,
CRNAM TYPE STRING,
CRDAT TYPE STRING,
UPDNAM TYPE STRING,
UPDDAT TYPE STRING,
REM TYPE STRING,
LOTSIZE_MIN TYPE STRING,
LOTSIZE_MAX TYPE STRING,
CONS_FLG TYPE STRING,
STEXT_CONSNAME TYPE STRING,
BASE_QUAN TYPE STRING,
BASE_UNIT TYPE STRING,
INP_TGT_QTY TYPE STRING,
INP_TGT_UNIT TYPE STRING,
LAYOUT TYPE STRING,
REAC_FLG TYPE STRING,
AGGR_FLG TYPE STRING,
EVAP_FLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_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_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-SUBID sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-SUBCAT sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-AUTHGRP sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-CRNAM sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-CRDAT sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-UPDNAM sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-UPDDAT sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-REM sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-LOTSIZE_MIN sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-LOTSIZE_MAX sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-CONS_FLG sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-STEXT_CONSNAME sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-BASE_QUAN sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-BASE_UNIT sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-INP_TGT_QTY sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-INP_TGT_UNIT sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-LAYOUT sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-REAC_FLG sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-AGGR_FLG sy-vline 
WA_FRMLS_OTPT_4UDE_SIMPLE_HDR_FRM_STR-EVAP_FLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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