ABAP Select data from SAP table PES_SUFORM_COINEM_CONVERSION into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PES_SUFORM_COINEM_CONVERSION 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_SUFORM_COINEM_CONVERSION. 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_SUFORM_COINEM_CONVERSION 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_SUFORM_COINEM_CONVERSION TYPE STANDARD TABLE OF PES_SUFORM_COINEM_CONVERSION,
      WA_PES_SUFORM_COINEM_CONVERSION TYPE PES_SUFORM_COINEM_CONVERSION,
      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_SUFORM_COINEM_CONVERSION> TYPE PES_SUFORM_COINEM_CONVERSION.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PES_SUFORM_COINEM_CONVERSION
*  INTO TABLE @DATA(IT_PES_SUFORM_COINEM_CONVERSION2).
*--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_SUFORM_COINEM_CONVERSION INDEX 1 INTO DATA(WA_PES_SUFORM_COINEM_CONVERSION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PES_SUFORM_COINEM_CONVERSION>-SERVICIOS = 1.
<PES_SUFORM_COINEM_CONVERSION>-FECHA = 1.
<PES_SUFORM_COINEM_CONVERSION>-CONVTCOMP = 1.
<PES_SUFORM_COINEM_CONVERSION>-CONVTPARC = 1.
<PES_SUFORM_COINEM_CONVERSION>-CONVFDISCON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PES_SUFORM_COINEM_CONVERSION-CONTRTEMP1, sy-vline,
  WA_PES_SUFORM_COINEM_CONVERSION-CONTRTEMP2, sy-vline,
  WA_PES_SUFORM_COINEM_CONVERSION-DIA, sy-vline,
  WA_PES_SUFORM_COINEM_CONVERSION-SERVICIOREG1, sy-vline,
  WA_PES_SUFORM_COINEM_CONVERSION-SERVICIOREG2, sy-vline,
  WA_PES_SUFORM_COINEM_CONVERSION-FECHAREG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PES_SUFORM_COINEM_CONVERSION 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_SUFORM_COINEM_CONVERSION 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_SUFORM_COINEM_CONVERSION INTO WA_PES_SUFORM_COINEM_CONVERSION.


*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_SUFORM_COINEM_CONVERSION_STR, 
SERVICIOS TYPE STRING,
FECHA TYPE STRING,
CONVTCOMP TYPE STRING,
CONVTPARC TYPE STRING,
CONVFDISCON TYPE STRING,
CONTRTEMP1 TYPE STRING,
CONTRTEMP2 TYPE STRING,
DIA TYPE STRING,
SERVICIOREG1 TYPE STRING,
SERVICIOREG2 TYPE STRING,
FECHAREG TYPE STRING,
NROREG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PES_SUFORM_COINEM_CONVERSION_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_SUFORM_COINEM_CONVERSION_STR-SERVICIOS sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-FECHA sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-CONVTCOMP sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-CONVTPARC sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-CONVFDISCON sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-CONTRTEMP1 sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-CONTRTEMP2 sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-DIA sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-SERVICIOREG1 sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-SERVICIOREG2 sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-FECHAREG sy-vline 
WA_PES_SUFORM_COINEM_CONVERSION_STR-NROREG sy-vline      INTO ld_text SEPARATED BY SPACE.

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