ABAP Select data from SAP table FILA_SELFIELDS_CUST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FILA_SELFIELDS_CUST
*  INTO TABLE @DATA(IT_FILA_SELFIELDS_CUST2).
*--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_FILA_SELFIELDS_CUST INDEX 1 INTO DATA(WA_FILA_SELFIELDS_CUST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FILA_SELFIELDS_CUST>-COMPONENT = 1.
<FILA_SELFIELDS_CUST>-EVENT = 1.
<FILA_SELFIELDS_CUST>-SUBEVENT = 1.
<FILA_SELFIELDS_CUST>-METHOD = 1.
<FILA_SELFIELDS_CUST>-TABNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FILA_SELFIELDS_CUST-VALUEID, sy-vline,
  WA_FILA_SELFIELDS_CUST-CALCMETHODID, sy-vline,
  WA_FILA_SELFIELDS_CUST-CALCMETHOD, sy-vline,
  WA_FILA_SELFIELDS_CUST-STRUNAME_FROM, sy-vline,
  WA_FILA_SELFIELDS_CUST-STRUNAME_TO, sy-vline,
  WA_FILA_SELFIELDS_CUST-BASEEVENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FILA_SELFIELDS_CUST 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_FILA_SELFIELDS_CUST 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_FILA_SELFIELDS_CUST INTO WA_FILA_SELFIELDS_CUST.


*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_FILA_SELFIELDS_CUST_STR, 
COMPONENT TYPE STRING,
EVENT TYPE STRING,
SUBEVENT TYPE STRING,
METHOD TYPE STRING,
TABNAME TYPE STRING,
VALUEID TYPE STRING,
CALCMETHODID TYPE STRING,
CALCMETHOD TYPE STRING,
STRUNAME_FROM TYPE STRING,
STRUNAME_TO TYPE STRING,
BASEEVENT TYPE STRING,
BASESTATUS TYPE STRING,
EVENTPROC TYPE STRING,
PROCMODE TYPE STRING,
AREA TYPE STRING,
COMP TYPE STRING,
LDBNAME TYPE STRING,
LDBNODE TYPE STRING,
DBTAB TYPE STRING,
DBFIELD_PARAM TYPE STRING,
DBFIELD_CONTENT TYPE STRING,
FUNCNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FILA_SELFIELDS_CUST_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_FILA_SELFIELDS_CUST_STR-COMPONENT sy-vline 
WA_FILA_SELFIELDS_CUST_STR-EVENT sy-vline 
WA_FILA_SELFIELDS_CUST_STR-SUBEVENT sy-vline 
WA_FILA_SELFIELDS_CUST_STR-METHOD sy-vline 
WA_FILA_SELFIELDS_CUST_STR-TABNAME sy-vline 
WA_FILA_SELFIELDS_CUST_STR-VALUEID sy-vline 
WA_FILA_SELFIELDS_CUST_STR-CALCMETHODID sy-vline 
WA_FILA_SELFIELDS_CUST_STR-CALCMETHOD sy-vline 
WA_FILA_SELFIELDS_CUST_STR-STRUNAME_FROM sy-vline 
WA_FILA_SELFIELDS_CUST_STR-STRUNAME_TO sy-vline 
WA_FILA_SELFIELDS_CUST_STR-BASEEVENT sy-vline 
WA_FILA_SELFIELDS_CUST_STR-BASESTATUS sy-vline 
WA_FILA_SELFIELDS_CUST_STR-EVENTPROC sy-vline 
WA_FILA_SELFIELDS_CUST_STR-PROCMODE sy-vline 
WA_FILA_SELFIELDS_CUST_STR-AREA sy-vline 
WA_FILA_SELFIELDS_CUST_STR-COMP sy-vline 
WA_FILA_SELFIELDS_CUST_STR-LDBNAME sy-vline 
WA_FILA_SELFIELDS_CUST_STR-LDBNODE sy-vline 
WA_FILA_SELFIELDS_CUST_STR-DBTAB sy-vline 
WA_FILA_SELFIELDS_CUST_STR-DBFIELD_PARAM sy-vline 
WA_FILA_SELFIELDS_CUST_STR-DBFIELD_CONTENT sy-vline 
WA_FILA_SELFIELDS_CUST_STR-FUNCNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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