ABAP Select data from SAP table P12_FORM_BELCC0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P12_FORM_BELCC0 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 P12_FORM_BELCC0. 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 P12_FORM_BELCC0 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_P12_FORM_BELCC0 TYPE STANDARD TABLE OF P12_FORM_BELCC0,
      WA_P12_FORM_BELCC0 TYPE P12_FORM_BELCC0,
      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: <P12_FORM_BELCC0> TYPE P12_FORM_BELCC0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P12_FORM_BELCC0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P12_FORM_BELCC0
  INTO TABLE IT_P12_FORM_BELCC0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P12_FORM_BELCC0
*  INTO TABLE @DATA(IT_P12_FORM_BELCC02).
*--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_P12_FORM_BELCC0 INDEX 1 INTO DATA(WA_P12_FORM_BELCC02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P12_FORM_BELCC0 ASSIGNING <P12_FORM_BELCC0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P12_FORM_BELCC0>-SENDER = 1.
<P12_FORM_BELCC0>-NOM014 = 1.
<P12_FORM_BELCC0>-ADR015 = 1.
<P12_FORM_BELCC0>-CPT016 = 1.
<P12_FORM_BELCC0>-LOC017 = 1.

ENDLOOP.

LOOP AT IT_P12_FORM_BELCC0 INTO WA_P12_FORM_BELCC0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P12_FORM_BELCC0-ITCONT, sy-vline,
  WA_P12_FORM_BELCC0-ITPHONE, sy-vline,
  WA_P12_FORM_BELCC0-ITFAX, sy-vline,
  WA_P12_FORM_BELCC0-HRADM, sy-vline,
  WA_P12_FORM_BELCC0-HRPHONE, sy-vline,
  WA_P12_FORM_BELCC0-SEC013, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P12_FORM_BELCC0 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_P12_FORM_BELCC0 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_P12_FORM_BELCC0 INTO WA_P12_FORM_BELCC0.


*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_P12_FORM_BELCC0_STR, 
SENDER TYPE STRING,
NOM014 TYPE STRING,
ADR015 TYPE STRING,
CPT016 TYPE STRING,
LOC017 TYPE STRING,
ITCONT TYPE STRING,
ITPHONE TYPE STRING,
ITFAX TYPE STRING,
HRADM TYPE STRING,
HRPHONE TYPE STRING,
SEC013 TYPE STRING,
SECPH TYPE STRING,
DATA_SUPPORT TYPE STRING,
MEDTYP TYPE STRING,
MEDDENS TYPE STRING,
MEDCOD TYPE STRING,
CRE011 TYPE STRING,
SEQ012 TYPE STRING,
LOGFNR TYPE STRING,
IDENT1 TYPE STRING,
IDENT2 TYPE STRING,
IDENT3 TYPE STRING,
VARREM TYPE STRING,
CONTROL_DATA TYPE STRING,
TOTAL_LOG_FILES TYPE STRING,
TOTAL_RECORDS TYPE STRING,
TOTAL_811 TYPE STRING,
TOTAL_812 TYPE STRING,
TOTAL_812_SIGN TYPE STRING,
TOTAL_813 TYPE STRING,
TOTAL_813_SIGN TYPE STRING,
CERTIFIED TYPE STRING,
CERTIF_DATE TYPE STRING,
CERTIF_NAME TYPE STRING,
CERTIF_JOB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P12_FORM_BELCC0_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_P12_FORM_BELCC0_STR-SENDER sy-vline 
WA_P12_FORM_BELCC0_STR-NOM014 sy-vline 
WA_P12_FORM_BELCC0_STR-ADR015 sy-vline 
WA_P12_FORM_BELCC0_STR-CPT016 sy-vline 
WA_P12_FORM_BELCC0_STR-LOC017 sy-vline 
WA_P12_FORM_BELCC0_STR-ITCONT sy-vline 
WA_P12_FORM_BELCC0_STR-ITPHONE sy-vline 
WA_P12_FORM_BELCC0_STR-ITFAX sy-vline 
WA_P12_FORM_BELCC0_STR-HRADM sy-vline 
WA_P12_FORM_BELCC0_STR-HRPHONE sy-vline 
WA_P12_FORM_BELCC0_STR-SEC013 sy-vline 
WA_P12_FORM_BELCC0_STR-SECPH sy-vline 
WA_P12_FORM_BELCC0_STR-DATA_SUPPORT sy-vline 
WA_P12_FORM_BELCC0_STR-MEDTYP sy-vline 
WA_P12_FORM_BELCC0_STR-MEDDENS sy-vline 
WA_P12_FORM_BELCC0_STR-MEDCOD sy-vline 
WA_P12_FORM_BELCC0_STR-CRE011 sy-vline 
WA_P12_FORM_BELCC0_STR-SEQ012 sy-vline 
WA_P12_FORM_BELCC0_STR-LOGFNR sy-vline 
WA_P12_FORM_BELCC0_STR-IDENT1 sy-vline 
WA_P12_FORM_BELCC0_STR-IDENT2 sy-vline 
WA_P12_FORM_BELCC0_STR-IDENT3 sy-vline 
WA_P12_FORM_BELCC0_STR-VARREM sy-vline 
WA_P12_FORM_BELCC0_STR-CONTROL_DATA sy-vline 
WA_P12_FORM_BELCC0_STR-TOTAL_LOG_FILES sy-vline 
WA_P12_FORM_BELCC0_STR-TOTAL_RECORDS sy-vline 
WA_P12_FORM_BELCC0_STR-TOTAL_811 sy-vline 
WA_P12_FORM_BELCC0_STR-TOTAL_812 sy-vline 
WA_P12_FORM_BELCC0_STR-TOTAL_812_SIGN sy-vline 
WA_P12_FORM_BELCC0_STR-TOTAL_813 sy-vline 
WA_P12_FORM_BELCC0_STR-TOTAL_813_SIGN sy-vline 
WA_P12_FORM_BELCC0_STR-CERTIFIED sy-vline 
WA_P12_FORM_BELCC0_STR-CERTIF_DATE sy-vline 
WA_P12_FORM_BELCC0_STR-CERTIF_NAME sy-vline 
WA_P12_FORM_BELCC0_STR-CERTIF_JOB sy-vline      INTO ld_text SEPARATED BY SPACE.

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