ABAP Select data from SAP table FRMLS_IOT_HDR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FRMLS_IOT_HDR 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_IOT_HDR. 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_IOT_HDR 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_IOT_HDR TYPE STANDARD TABLE OF FRMLS_IOT_HDR,
      WA_FRMLS_IOT_HDR TYPE FRMLS_IOT_HDR,
      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_IOT_HDR> TYPE FRMLS_IOT_HDR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FRMLS_IOT_HDR
*  INTO TABLE @DATA(IT_FRMLS_IOT_HDR2).
*--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_IOT_HDR INDEX 1 INTO DATA(WA_FRMLS_IOT_HDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FRMLS_IOT_HDR>-MARKFLG = 1.
<FRMLS_IOT_HDR>-SELEFLG = 1.
<FRMLS_IOT_HDR>-LINENO = 1.
<FRMLS_IOT_HDR>-LINEMOD = 1.
<FRMLS_IOT_HDR>-CHCOFLG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FRMLS_IOT_HDR-LOCKMOD, sy-vline,
  WA_FRMLS_IOT_HDR-INTRFLG, sy-vline,
  WA_FRMLS_IOT_HDR-MANDT, sy-vline,
  WA_FRMLS_IOT_HDR-RECN, sy-vline,
  WA_FRMLS_IOT_HDR-ACTN, sy-vline,
  WA_FRMLS_IOT_HDR-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FRMLS_IOT_HDR 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_IOT_HDR 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_IOT_HDR INTO WA_FRMLS_IOT_HDR.


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

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

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

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

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

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

*Conversion exit CHRI2, internal->external for field SUBID_SRC
CALL FUNCTION 'CONVERSION_EXIT_CHRI2_OUTPUT'
  EXPORTING
    input =                      WA_FRMLS_IOT_HDR-SUBID_SRC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FRMLS_IOT_HDR-SUBID_SRC.
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_IOT_HDR_STR, 
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRNAM TYPE STRING,
CRDAT TYPE STRING,
UPDNAM TYPE STRING,
UPDDAT TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECN_MASTER1 TYPE STRING,
RECNROOT TYPE STRING,
UPDDATS TYPE STRING,
UPDNAMS TYPE STRING,
SUBID TYPE STRING,
SUBCAT TYPE STRING,
AUTHGRP TYPE STRING,
REM TYPE STRING,
SUBCHAR TYPE STRING,
BASE_QUAN TYPE STRING,
BASE_UNIT TYPE STRING,
LOTSIZE_MIN TYPE STRING,
LOTSIZE_MAX TYPE STRING,
LOTSIZE_UNIT TYPE STRING,
OTYPE TYPE STRING,
REALO TYPE STRING,
REAC_FLG TYPE STRING,
AGGR_FLG TYPE STRING,
EVAP_FLG TYPE STRING,
CONS_FLG TYPE STRING,
CRE_SEQ TYPE STRING,
CONS_UPDNAME TYPE STRING,
CONS_UPDDATE TYPE STRING,
STEXT_CONSNAME TYPE STRING,
SUBNAM TYPE STRING,
AUTHNAM TYPE STRING,
AETXT TYPE STRING,
AEGRU TYPE STRING,
STEXT TYPE STRING,
SUBID_SRC TYPE STRING,
BASEQUAN_MIN TYPE STRING,
BASEQUAN_MAX TYPE STRING,
STEXT_CRNAM TYPE STRING,
STEXT_UPDNAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FRMLS_IOT_HDR_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_IOT_HDR_STR-MARKFLG sy-vline 
WA_FRMLS_IOT_HDR_STR-SELEFLG sy-vline 
WA_FRMLS_IOT_HDR_STR-LINENO sy-vline 
WA_FRMLS_IOT_HDR_STR-LINEMOD sy-vline 
WA_FRMLS_IOT_HDR_STR-CHCOFLG sy-vline 
WA_FRMLS_IOT_HDR_STR-LOCKMOD sy-vline 
WA_FRMLS_IOT_HDR_STR-INTRFLG sy-vline 
WA_FRMLS_IOT_HDR_STR-MANDT sy-vline 
WA_FRMLS_IOT_HDR_STR-RECN sy-vline 
WA_FRMLS_IOT_HDR_STR-ACTN sy-vline 
WA_FRMLS_IOT_HDR_STR-VALFR sy-vline 
WA_FRMLS_IOT_HDR_STR-VALTO sy-vline 
WA_FRMLS_IOT_HDR_STR-AENNR sy-vline 
WA_FRMLS_IOT_HDR_STR-DELFLG sy-vline 
WA_FRMLS_IOT_HDR_STR-PARKFLG sy-vline 
WA_FRMLS_IOT_HDR_STR-CRNAM sy-vline 
WA_FRMLS_IOT_HDR_STR-CRDAT sy-vline 
WA_FRMLS_IOT_HDR_STR-UPDNAM sy-vline 
WA_FRMLS_IOT_HDR_STR-UPDDAT sy-vline 
WA_FRMLS_IOT_HDR_STR-SRSID sy-vline 
WA_FRMLS_IOT_HDR_STR-OWNID sy-vline 
WA_FRMLS_IOT_HDR_STR-RECN_MASTER1 sy-vline 
WA_FRMLS_IOT_HDR_STR-RECNROOT sy-vline 
WA_FRMLS_IOT_HDR_STR-UPDDATS sy-vline 
WA_FRMLS_IOT_HDR_STR-UPDNAMS sy-vline 
WA_FRMLS_IOT_HDR_STR-SUBID sy-vline 
WA_FRMLS_IOT_HDR_STR-SUBCAT sy-vline 
WA_FRMLS_IOT_HDR_STR-AUTHGRP sy-vline 
WA_FRMLS_IOT_HDR_STR-REM sy-vline 
WA_FRMLS_IOT_HDR_STR-SUBCHAR sy-vline 
WA_FRMLS_IOT_HDR_STR-BASE_QUAN sy-vline 
WA_FRMLS_IOT_HDR_STR-BASE_UNIT sy-vline 
WA_FRMLS_IOT_HDR_STR-LOTSIZE_MIN sy-vline 
WA_FRMLS_IOT_HDR_STR-LOTSIZE_MAX sy-vline 
WA_FRMLS_IOT_HDR_STR-LOTSIZE_UNIT sy-vline 
WA_FRMLS_IOT_HDR_STR-OTYPE sy-vline 
WA_FRMLS_IOT_HDR_STR-REALO sy-vline 
WA_FRMLS_IOT_HDR_STR-REAC_FLG sy-vline 
WA_FRMLS_IOT_HDR_STR-AGGR_FLG sy-vline 
WA_FRMLS_IOT_HDR_STR-EVAP_FLG sy-vline 
WA_FRMLS_IOT_HDR_STR-CONS_FLG sy-vline 
WA_FRMLS_IOT_HDR_STR-CRE_SEQ sy-vline 
WA_FRMLS_IOT_HDR_STR-CONS_UPDNAME sy-vline 
WA_FRMLS_IOT_HDR_STR-CONS_UPDDATE sy-vline 
WA_FRMLS_IOT_HDR_STR-STEXT_CONSNAME sy-vline 
WA_FRMLS_IOT_HDR_STR-SUBNAM sy-vline 
WA_FRMLS_IOT_HDR_STR-AUTHNAM sy-vline 
WA_FRMLS_IOT_HDR_STR-AETXT sy-vline 
WA_FRMLS_IOT_HDR_STR-AEGRU sy-vline 
WA_FRMLS_IOT_HDR_STR-STEXT sy-vline 
WA_FRMLS_IOT_HDR_STR-SUBID_SRC sy-vline 
WA_FRMLS_IOT_HDR_STR-BASEQUAN_MIN sy-vline 
WA_FRMLS_IOT_HDR_STR-BASEQUAN_MAX sy-vline 
WA_FRMLS_IOT_HDR_STR-STEXT_CRNAM sy-vline 
WA_FRMLS_IOT_HDR_STR-STEXT_UPDNAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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