ABAP Select data from SAP table EDO_MX_T_COMPROBANTE_CHOICE7 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EDO_MX_T_COMPROBANTE_CHOICE7 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 EDO_MX_T_COMPROBANTE_CHOICE7. 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 EDO_MX_T_COMPROBANTE_CHOICE7 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_EDO_MX_T_COMPROBANTE_CHOICE7 TYPE STANDARD TABLE OF EDO_MX_T_COMPROBANTE_CHOICE7,
      WA_EDO_MX_T_COMPROBANTE_CHOICE7 TYPE EDO_MX_T_COMPROBANTE_CHOICE7,
      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: <EDO_MX_T_COMPROBANTE_CHOICE7> TYPE EDO_MX_T_COMPROBANTE_CHOICE7.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EDO_MX_T_COMPROBANTE_CHOICE7.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EDO_MX_T_COMPROBANTE_CHOICE7
  INTO TABLE IT_EDO_MX_T_COMPROBANTE_CHOICE7.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDO_MX_T_COMPROBANTE_CHOICE7
*  INTO TABLE @DATA(IT_EDO_MX_T_COMPROBANTE_CHOICE72).
*--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_EDO_MX_T_COMPROBANTE_CHOICE7 INDEX 1 INTO DATA(WA_EDO_MX_T_COMPROBANTE_CHOICE72).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EDO_MX_T_COMPROBANTE_CHOICE7 ASSIGNING <EDO_MX_T_COMPROBANTE_CHOICE7>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDO_MX_T_COMPROBANTE_CHOICE7>-SELECTION = 1.
<EDO_MX_T_COMPROBANTE_CHOICE7>-CONTROLLER = 1.
<EDO_MX_T_COMPROBANTE_CHOICE7>-VENTA_VEHICULOS = 1.
<EDO_MX_T_COMPROBANTE_CHOICE7>-CONTROLLER = 1.
<EDO_MX_T_COMPROBANTE_CHOICE7>-CHOICE = 1.

ENDLOOP.

LOOP AT IT_EDO_MX_T_COMPROBANTE_CHOICE7 INTO WA_EDO_MX_T_COMPROBANTE_CHOICE7.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDO_MX_T_COMPROBANTE_CHOICE7-SELECTION, sy-vline,
  WA_EDO_MX_T_COMPROBANTE_CHOICE7-CONTROLLER, sy-vline,
  WA_EDO_MX_T_COMPROBANTE_CHOICE7-INFORMACION_ADUANERA, sy-vline,
  WA_EDO_MX_T_COMPROBANTE_CHOICE7-PARTE, sy-vline,
  WA_EDO_MX_T_COMPROBANTE_CHOICE7-VERSION, sy-vline,
  WA_EDO_MX_T_COMPROBANTE_CHOICE7-CLAVE_VEHICULAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDO_MX_T_COMPROBANTE_CHOICE7 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_EDO_MX_T_COMPROBANTE_CHOICE7 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_EDO_MX_T_COMPROBANTE_CHOICE7 INTO WA_EDO_MX_T_COMPROBANTE_CHOICE7.


*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_EDO_MX_T_COMPROBANTE_CHOICE7_STR, 
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
VENTA_VEHICULOS TYPE STRING,
CONTROLLER TYPE STRING,
CHOICE TYPE STRING,
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
INFORMACION_ADUANERA TYPE STRING,
PARTE TYPE STRING,
VERSION TYPE STRING,
CLAVE_VEHICULAR TYPE STRING,
INST_EDUCATIVAS TYPE STRING,
CONTROLLER TYPE STRING,
VERSION TYPE STRING,
NOMBRE_ALUMNO TYPE STRING,
CURP TYPE STRING,
NIVEL_EDUCATIVO TYPE STRING,
AUT_RVOE TYPE STRING,
RFC_PAGO TYPE STRING,
POR_CUENTADE_TERCEROS TYPE STRING,
CONTROLLER TYPE STRING,
INFORMACION_FISCAL_TERCERO TYPE STRING,
CONTROLLER TYPE STRING,
CALLE TYPE STRING,
NO_EXTERIOR TYPE STRING,
NO_INTERIOR TYPE STRING,
COLONIA TYPE STRING,
LOCALIDAD TYPE STRING,
REFERENCIA TYPE STRING,
MUNICIPIO TYPE STRING,
ESTADO TYPE STRING,
PAIS TYPE STRING,
CODIGO_POSTAL TYPE STRING,
CHOICE TYPE STRING,
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
INFORMACION_ADUANERA TYPE STRING,
CONTROLLER TYPE STRING,
NUMERO TYPE STRING,
FECHA TYPE STRING,
ADUANA TYPE STRING,
PARTE TYPE STRING,
CUENTA_PREDIAL TYPE STRING,
CONTROLLER TYPE STRING,
NUMERO TYPE STRING,
IMPUESTOS TYPE STRING,
CONTROLLER TYPE STRING,
RETENCIONES TYPE STRING,
CONTROLLER TYPE STRING,
RETENCION TYPE STRING,
TRASLADOS TYPE STRING,
CONTROLLER TYPE STRING,
TRASLADO TYPE STRING,
VERSION TYPE STRING,
RFC TYPE STRING,
NOMBRE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDO_MX_T_COMPROBANTE_CHOICE7_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_EDO_MX_T_COMPROBANTE_CHOICE7_STR-SELECTION sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-VENTA_VEHICULOS sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CHOICE sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-SELECTION sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-INFORMACION_ADUANERA sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-PARTE sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-VERSION sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CLAVE_VEHICULAR sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-INST_EDUCATIVAS sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-VERSION sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-NOMBRE_ALUMNO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CURP sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-NIVEL_EDUCATIVO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-AUT_RVOE sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-RFC_PAGO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-POR_CUENTADE_TERCEROS sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-INFORMACION_FISCAL_TERCERO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CALLE sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-NO_EXTERIOR sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-NO_INTERIOR sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-COLONIA sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-LOCALIDAD sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-REFERENCIA sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-MUNICIPIO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-ESTADO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-PAIS sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CODIGO_POSTAL sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CHOICE sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-SELECTION sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-INFORMACION_ADUANERA sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-NUMERO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-FECHA sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-ADUANA sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-PARTE sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CUENTA_PREDIAL sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-NUMERO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-IMPUESTOS sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-RETENCIONES sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-RETENCION sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-TRASLADOS sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-CONTROLLER sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-TRASLADO sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-VERSION sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-RFC sy-vline 
WA_EDO_MX_T_COMPROBANTE_CHOICE7_STR-NOMBRE sy-vline      INTO ld_text SEPARATED BY SPACE.

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