ABAP Select data from SAP table PES_SUFORM_COINEM_DECL_CONTREL 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_DECL_CONTREL 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_DECL_CONTREL. 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_DECL_CONTREL 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_DECL_CONTREL TYPE STANDARD TABLE OF PES_SUFORM_COINEM_DECL_CONTREL,
      WA_PES_SUFORM_COINEM_DECL_CONTREL TYPE PES_SUFORM_COINEM_DECL_CONTREL,
      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_DECL_CONTREL> TYPE PES_SUFORM_COINEM_DECL_CONTREL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PES_SUFORM_COINEM_DECL_CONTREL
*  INTO TABLE @DATA(IT_PES_SUFORM_COINEM_DECL_CONTREL2).
*--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_DECL_CONTREL INDEX 1 INTO DATA(WA_PES_SUFORM_COINEM_DECL_CONTREL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PES_SUFORM_COINEM_DECL_CONTREL>-DESEMPLEADO = 1.
<PES_SUFORM_COINEM_DECL_CONTREL>-SERVICIODESEMP1 = 1.
<PES_SUFORM_COINEM_DECL_CONTREL>-SERVICIODESEMP2 = 1.
<PES_SUFORM_COINEM_DECL_CONTREL>-CONTR_DETERM = 1.
<PES_SUFORM_COINEM_DECL_CONTREL>-SERVICIO1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PES_SUFORM_COINEM_DECL_CONTREL-NROCONTR1, sy-vline,
  WA_PES_SUFORM_COINEM_DECL_CONTREL-FECHA1, sy-vline,
  WA_PES_SUFORM_COINEM_DECL_CONTREL-DODONA, sy-vline,
  WA_PES_SUFORM_COINEM_DECL_CONTREL-FECNAC, sy-vline,
  WA_PES_SUFORM_COINEM_DECL_CONTREL-UBICACION1, sy-vline,
  WA_PES_SUFORM_COINEM_DECL_CONTREL-UBICACION2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PES_SUFORM_COINEM_DECL_CONTREL 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_DECL_CONTREL 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_DECL_CONTREL INTO WA_PES_SUFORM_COINEM_DECL_CONTREL.


*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_DECL_CONTREL_STR, 
DESEMPLEADO TYPE STRING,
SERVICIODESEMP1 TYPE STRING,
SERVICIODESEMP2 TYPE STRING,
CONTR_DETERM TYPE STRING,
SERVICIO1 TYPE STRING,
NROCONTR1 TYPE STRING,
FECHA1 TYPE STRING,
DODONA TYPE STRING,
FECNAC TYPE STRING,
UBICACION1 TYPE STRING,
UBICACION2 TYPE STRING,
PROFESION TYPE STRING,
CATEGORIA TYPE STRING,
PORC_REDUC TYPE STRING,
CON TYPE STRING,
HASTA TYPE STRING,
SERVICIO2 TYPE STRING,
NROCONTR2 TYPE STRING,
FECHA2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PES_SUFORM_COINEM_DECL_CONTREL_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_DECL_CONTREL_STR-DESEMPLEADO sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-SERVICIODESEMP1 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-SERVICIODESEMP2 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-CONTR_DETERM sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-SERVICIO1 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-NROCONTR1 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-FECHA1 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-DODONA sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-FECNAC sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-UBICACION1 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-UBICACION2 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-PROFESION sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-CATEGORIA sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-PORC_REDUC sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-CON sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-HASTA sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-SERVICIO2 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-NROCONTR2 sy-vline 
WA_PES_SUFORM_COINEM_DECL_CONTREL_STR-FECHA2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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