ABAP Select data from SAP table PES_FORM_RE_L6_R into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PES_FORM_RE_L6_R 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_FORM_RE_L6_R. 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_FORM_RE_L6_R 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_FORM_RE_L6_R TYPE STANDARD TABLE OF PES_FORM_RE_L6_R,
      WA_PES_FORM_RE_L6_R TYPE PES_FORM_RE_L6_R,
      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_FORM_RE_L6_R> TYPE PES_FORM_RE_L6_R.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PES_FORM_RE_L6_R.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PES_FORM_RE_L6_R
  INTO TABLE IT_PES_FORM_RE_L6_R.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PES_FORM_RE_L6_R
*  INTO TABLE @DATA(IT_PES_FORM_RE_L6_R2).
*--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_FORM_RE_L6_R INDEX 1 INTO DATA(WA_PES_FORM_RE_L6_R2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PES_FORM_RE_L6_R ASSIGNING <PES_FORM_RE_L6_R>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PES_FORM_RE_L6_R>-PERS = 1.
<PES_FORM_RE_L6_R>-NIF = 1.
<PES_FORM_RE_L6_R>-NATSS = 1.
<PES_FORM_RE_L6_R>-NOMBRE_PILA = 1.
<PES_FORM_RE_L6_R>-PRIMER_APELLIDO = 1.

ENDLOOP.

LOOP AT IT_PES_FORM_RE_L6_R INTO WA_PES_FORM_RE_L6_R.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PES_FORM_RE_L6_R-SEGUNDO_APELLIDO, sy-vline,
  WA_PES_FORM_RE_L6_R-NOMBRE, sy-vline,
  WA_PES_FORM_RE_L6_R-EDOCIVIL, sy-vline,
  WA_PES_FORM_RE_L6_R-EDOCIVILDESC, sy-vline,
  WA_PES_FORM_RE_L6_R-NUMHIJOS, sy-vline,
  WA_PES_FORM_RE_L6_R-FECHNAC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PES_FORM_RE_L6_R 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_FORM_RE_L6_R 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_FORM_RE_L6_R INTO WA_PES_FORM_RE_L6_R.


*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_FORM_RE_L6_R_STR, 
PERS TYPE STRING,
NIF TYPE STRING,
NATSS TYPE STRING,
NOMBRE_PILA TYPE STRING,
PRIMER_APELLIDO TYPE STRING,
SEGUNDO_APELLIDO TYPE STRING,
NOMBRE TYPE STRING,
EDOCIVIL TYPE STRING,
EDOCIVILDESC TYPE STRING,
NUMHIJOS TYPE STRING,
FECHNAC TYPE STRING,
LUGAR_NAC TYPE STRING,
NACIONALIDAD TYPE STRING,
TIPODOC TYPE STRING,
PROVINCIA TYPE STRING,
SEXO TYPE STRING,
PREST_ANTI TYPE STRING,
PREST_NUEV TYPE STRING,
DIRE TYPE STRING,
TIPO_VIA_PUBL TYPE STRING,
DOMICILIO TYPE STRING,
NUMERO_CASA TYPE STRING,
ID_VIV_CASA TYPE STRING,
LOC TYPE STRING,
PROVINCIA TYPE STRING,
CODPOS TYPE STRING,
PAIS TYPE STRING,
TELEFONO TYPE STRING,
MOVIL TYPE STRING,
FECHA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PES_FORM_RE_L6_R_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_FORM_RE_L6_R_STR-PERS sy-vline 
WA_PES_FORM_RE_L6_R_STR-NIF sy-vline 
WA_PES_FORM_RE_L6_R_STR-NATSS sy-vline 
WA_PES_FORM_RE_L6_R_STR-NOMBRE_PILA sy-vline 
WA_PES_FORM_RE_L6_R_STR-PRIMER_APELLIDO sy-vline 
WA_PES_FORM_RE_L6_R_STR-SEGUNDO_APELLIDO sy-vline 
WA_PES_FORM_RE_L6_R_STR-NOMBRE sy-vline 
WA_PES_FORM_RE_L6_R_STR-EDOCIVIL sy-vline 
WA_PES_FORM_RE_L6_R_STR-EDOCIVILDESC sy-vline 
WA_PES_FORM_RE_L6_R_STR-NUMHIJOS sy-vline 
WA_PES_FORM_RE_L6_R_STR-FECHNAC sy-vline 
WA_PES_FORM_RE_L6_R_STR-LUGAR_NAC sy-vline 
WA_PES_FORM_RE_L6_R_STR-NACIONALIDAD sy-vline 
WA_PES_FORM_RE_L6_R_STR-TIPODOC sy-vline 
WA_PES_FORM_RE_L6_R_STR-PROVINCIA sy-vline 
WA_PES_FORM_RE_L6_R_STR-SEXO sy-vline 
WA_PES_FORM_RE_L6_R_STR-PREST_ANTI sy-vline 
WA_PES_FORM_RE_L6_R_STR-PREST_NUEV sy-vline 
WA_PES_FORM_RE_L6_R_STR-DIRE sy-vline 
WA_PES_FORM_RE_L6_R_STR-TIPO_VIA_PUBL sy-vline 
WA_PES_FORM_RE_L6_R_STR-DOMICILIO sy-vline 
WA_PES_FORM_RE_L6_R_STR-NUMERO_CASA sy-vline 
WA_PES_FORM_RE_L6_R_STR-ID_VIV_CASA sy-vline 
WA_PES_FORM_RE_L6_R_STR-LOC sy-vline 
WA_PES_FORM_RE_L6_R_STR-PROVINCIA sy-vline 
WA_PES_FORM_RE_L6_R_STR-CODPOS sy-vline 
WA_PES_FORM_RE_L6_R_STR-PAIS sy-vline 
WA_PES_FORM_RE_L6_R_STR-TELEFONO sy-vline 
WA_PES_FORM_RE_L6_R_STR-MOVIL sy-vline 
WA_PES_FORM_RE_L6_R_STR-FECHA sy-vline      INTO ld_text SEPARATED BY SPACE.

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