ABAP Select data from SAP table PES_CMB_STRCT_OUTPUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PES_CMB_STRCT_OUTPUT
*  INTO TABLE @DATA(IT_PES_CMB_STRCT_OUTPUT2).
*--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_PES_CMB_STRCT_OUTPUT INDEX 1 INTO DATA(WA_PES_CMB_STRCT_OUTPUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PES_CMB_STRCT_OUTPUT>-SEL = 1.
<PES_CMB_STRCT_OUTPUT>-PERNR = 1.
<PES_CMB_STRCT_OUTPUT>-ENAME = 1.
<PES_CMB_STRCT_OUTPUT>-BEGDA = 1.
<PES_CMB_STRCT_OUTPUT>-IDCON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PES_CMB_STRCT_OUTPUT-CLCON, sy-vline,
  WA_PES_CMB_STRCT_OUTPUT-TIDCO, sy-vline,
  WA_PES_CMB_STRCT_OUTPUT-WERKS, sy-vline,
  WA_PES_CMB_STRCT_OUTPUT-ENDCO, sy-vline,
  WA_PES_CMB_STRCT_OUTPUT-TIPO, sy-vline,
  WA_PES_CMB_STRCT_OUTPUT-MODAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PES_CMB_STRCT_OUTPUT 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_PES_CMB_STRCT_OUTPUT 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_PES_CMB_STRCT_OUTPUT INTO WA_PES_CMB_STRCT_OUTPUT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PES_CMB_STRCT_OUTPUT_STR, 
SEL TYPE STRING,
PERNR TYPE STRING,
ENAME TYPE STRING,
BEGDA TYPE STRING,
IDCON TYPE STRING,
CLCON TYPE STRING,
TIDCO TYPE STRING,
WERKS TYPE STRING,
ENDCO TYPE STRING,
TIPO TYPE STRING,
MODAL TYPE STRING,
JORN TYPE STRING,
STACOM TYPE STRING,
CTTEXT TYPE STRING,
STACOP TYPE STRING,
PRTEXT TYPE STRING,
STACOC TYPE STRING,
CBTEXT TYPE STRING,
STACOL TYPE STRING,
LATEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PES_CMB_STRCT_OUTPUT_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_PES_CMB_STRCT_OUTPUT_STR-SEL sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-PERNR sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-ENAME sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-BEGDA sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-IDCON sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-CLCON sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-TIDCO sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-WERKS sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-ENDCO sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-TIPO sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-MODAL sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-JORN sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-STACOM sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-CTTEXT sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-STACOP sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-PRTEXT sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-STACOC sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-CBTEXT sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-STACOL sy-vline 
WA_PES_CMB_STRCT_OUTPUT_STR-LATEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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