ABAP Select data from SAP table PAEP_SI_REP_COMP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAEP_SI_REP_COMP
*  INTO TABLE @DATA(IT_PAEP_SI_REP_COMP2).
*--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_PAEP_SI_REP_COMP INDEX 1 INTO DATA(WA_PAEP_SI_REP_COMP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAEP_SI_REP_COMP>-STATUS = 1.
<PAEP_SI_REP_COMP>-AESIF = 1.
<PAEP_SI_REP_COMP>-ICNUM = 1.
<PAEP_SI_REP_COMP>-PERNR = 1.
<PAEP_SI_REP_COMP>-SINUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAEP_SI_REP_COMP-ENAME, sy-vline,
  WA_PAEP_SI_REP_COMP-COL0, sy-vline,
  WA_PAEP_SI_REP_COMP-COL1, sy-vline,
  WA_PAEP_SI_REP_COMP-COL2, sy-vline,
  WA_PAEP_SI_REP_COMP-COL3, sy-vline,
  WA_PAEP_SI_REP_COMP-COL4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAEP_SI_REP_COMP 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_PAEP_SI_REP_COMP 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_PAEP_SI_REP_COMP INTO WA_PAEP_SI_REP_COMP.


*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_PAEP_SI_REP_COMP_STR, 
STATUS TYPE STRING,
AESIF TYPE STRING,
ICNUM TYPE STRING,
PERNR TYPE STRING,
SINUM TYPE STRING,
ENAME TYPE STRING,
COL0 TYPE STRING,
COL1 TYPE STRING,
COL2 TYPE STRING,
COL3 TYPE STRING,
COL4 TYPE STRING,
COL5 TYPE STRING,
MONTH TYPE STRING,
TOTAL TYPE STRING,
EMPCN TYPE STRING,
ORGCN TYPE STRING,
TOTCN TYPE STRING,
DISDC TYPE STRING,
ADDDC TYPE STRING,
ADJEM TYPE STRING,
ADJOR TYPE STRING,
ADJTO TYPE STRING,
REMRK TYPE STRING,
NET20 TYPE STRING,
INPER TYPE STRING,
FPPER TYPE STRING,
ABSNT TYPE STRING,
ABSPY TYPE STRING,
GPSER TYPE STRING,
USLDA TYPE STRING,
SECDA TYPE STRING,
USTDA TYPE STRING,
UABDA TYPE STRING,
UATDA TYPE STRING,
AESPE TYPE STRING,
AESPR TYPE STRING,
CALBS TYPE STRING,
FPBEG TYPE STRING,
FPEND TYPE STRING,
USLDT TYPE STRING,
SECDT TYPE STRING,
USTDT TYPE STRING,
UABDT TYPE STRING,
UATDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAEP_SI_REP_COMP_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_PAEP_SI_REP_COMP_STR-STATUS sy-vline 
WA_PAEP_SI_REP_COMP_STR-AESIF sy-vline 
WA_PAEP_SI_REP_COMP_STR-ICNUM sy-vline 
WA_PAEP_SI_REP_COMP_STR-PERNR sy-vline 
WA_PAEP_SI_REP_COMP_STR-SINUM sy-vline 
WA_PAEP_SI_REP_COMP_STR-ENAME sy-vline 
WA_PAEP_SI_REP_COMP_STR-COL0 sy-vline 
WA_PAEP_SI_REP_COMP_STR-COL1 sy-vline 
WA_PAEP_SI_REP_COMP_STR-COL2 sy-vline 
WA_PAEP_SI_REP_COMP_STR-COL3 sy-vline 
WA_PAEP_SI_REP_COMP_STR-COL4 sy-vline 
WA_PAEP_SI_REP_COMP_STR-COL5 sy-vline 
WA_PAEP_SI_REP_COMP_STR-MONTH sy-vline 
WA_PAEP_SI_REP_COMP_STR-TOTAL sy-vline 
WA_PAEP_SI_REP_COMP_STR-EMPCN sy-vline 
WA_PAEP_SI_REP_COMP_STR-ORGCN sy-vline 
WA_PAEP_SI_REP_COMP_STR-TOTCN sy-vline 
WA_PAEP_SI_REP_COMP_STR-DISDC sy-vline 
WA_PAEP_SI_REP_COMP_STR-ADDDC sy-vline 
WA_PAEP_SI_REP_COMP_STR-ADJEM sy-vline 
WA_PAEP_SI_REP_COMP_STR-ADJOR sy-vline 
WA_PAEP_SI_REP_COMP_STR-ADJTO sy-vline 
WA_PAEP_SI_REP_COMP_STR-REMRK sy-vline 
WA_PAEP_SI_REP_COMP_STR-NET20 sy-vline 
WA_PAEP_SI_REP_COMP_STR-INPER sy-vline 
WA_PAEP_SI_REP_COMP_STR-FPPER sy-vline 
WA_PAEP_SI_REP_COMP_STR-ABSNT sy-vline 
WA_PAEP_SI_REP_COMP_STR-ABSPY sy-vline 
WA_PAEP_SI_REP_COMP_STR-GPSER sy-vline 
WA_PAEP_SI_REP_COMP_STR-USLDA sy-vline 
WA_PAEP_SI_REP_COMP_STR-SECDA sy-vline 
WA_PAEP_SI_REP_COMP_STR-USTDA sy-vline 
WA_PAEP_SI_REP_COMP_STR-UABDA sy-vline 
WA_PAEP_SI_REP_COMP_STR-UATDA sy-vline 
WA_PAEP_SI_REP_COMP_STR-AESPE sy-vline 
WA_PAEP_SI_REP_COMP_STR-AESPR sy-vline 
WA_PAEP_SI_REP_COMP_STR-CALBS sy-vline 
WA_PAEP_SI_REP_COMP_STR-FPBEG sy-vline 
WA_PAEP_SI_REP_COMP_STR-FPEND sy-vline 
WA_PAEP_SI_REP_COMP_STR-USLDT sy-vline 
WA_PAEP_SI_REP_COMP_STR-SECDT sy-vline 
WA_PAEP_SI_REP_COMP_STR-USTDT sy-vline 
WA_PAEP_SI_REP_COMP_STR-UABDT sy-vline 
WA_PAEP_SI_REP_COMP_STR-UATDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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