ABAP Select data from SAP table FKKCRPOSPAY1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKCRPOSPAY1 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 FKKCRPOSPAY1. 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 FKKCRPOSPAY1 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_FKKCRPOSPAY1 TYPE STANDARD TABLE OF FKKCRPOSPAY1,
      WA_FKKCRPOSPAY1 TYPE FKKCRPOSPAY1,
      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: <FKKCRPOSPAY1> TYPE FKKCRPOSPAY1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKKCRPOSPAY1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKKCRPOSPAY1
  INTO TABLE IT_FKKCRPOSPAY1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKCRPOSPAY1
*  INTO TABLE @DATA(IT_FKKCRPOSPAY12).
*--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_FKKCRPOSPAY1 INDEX 1 INTO DATA(WA_FKKCRPOSPAY12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKKCRPOSPAY1 ASSIGNING <FKKCRPOSPAY1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKCRPOSPAY1>-BBUKR = 1.
<FKKCRPOSPAY1>-HBKID = 1.
<FKKCRPOSPAY1>-HKTID = 1.
<FKKCRPOSPAY1>-ZTNUM = 1.
<FKKCRPOSPAY1>-BUDAT = 1.

ENDLOOP.

LOOP AT IT_FKKCRPOSPAY1 INTO WA_FKKCRPOSPAY1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKCRPOSPAY1-RWBTR, sy-vline,
  WA_FKKCRPOSPAY1-WAERS, sy-vline,
  WA_FKKCRPOSPAY1-STATE, sy-vline,
  WA_FKKCRPOSPAY1-LAUFI, sy-vline,
  WA_FKKCRPOSPAY1-LAUFD, sy-vline,
  WA_FKKCRPOSPAY1-GPA1R, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKCRPOSPAY1 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_FKKCRPOSPAY1 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_FKKCRPOSPAY1 INTO WA_FKKCRPOSPAY1.


*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_FKKCRPOSPAY1_STR, 
BBUKR TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
ZTNUM TYPE STRING,
BUDAT TYPE STRING,
RWBTR TYPE STRING,
WAERS TYPE STRING,
STATE TYPE STRING,
LAUFI TYPE STRING,
LAUFD TYPE STRING,
GPA1R TYPE STRING,
ACC1R TYPE STRING,
HERKF TYPE STRING,
ORG1T TYPE STRING,
ORG1R TYPE STRING,
ZTART TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
CASHRD TYPE STRING,
CASHRT TYPE STRING,
VOIDRS TYPE STRING,
VOIDRD TYPE STRING,
VOIDRT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKCRPOSPAY1_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_FKKCRPOSPAY1_STR-BBUKR sy-vline 
WA_FKKCRPOSPAY1_STR-HBKID sy-vline 
WA_FKKCRPOSPAY1_STR-HKTID sy-vline 
WA_FKKCRPOSPAY1_STR-ZTNUM sy-vline 
WA_FKKCRPOSPAY1_STR-BUDAT sy-vline 
WA_FKKCRPOSPAY1_STR-RWBTR sy-vline 
WA_FKKCRPOSPAY1_STR-WAERS sy-vline 
WA_FKKCRPOSPAY1_STR-STATE sy-vline 
WA_FKKCRPOSPAY1_STR-LAUFI sy-vline 
WA_FKKCRPOSPAY1_STR-LAUFD sy-vline 
WA_FKKCRPOSPAY1_STR-GPA1R sy-vline 
WA_FKKCRPOSPAY1_STR-ACC1R sy-vline 
WA_FKKCRPOSPAY1_STR-HERKF sy-vline 
WA_FKKCRPOSPAY1_STR-ORG1T sy-vline 
WA_FKKCRPOSPAY1_STR-ORG1R sy-vline 
WA_FKKCRPOSPAY1_STR-ZTART sy-vline 
WA_FKKCRPOSPAY1_STR-ERNAM sy-vline 
WA_FKKCRPOSPAY1_STR-ERDAT sy-vline 
WA_FKKCRPOSPAY1_STR-ERTIM sy-vline 
WA_FKKCRPOSPAY1_STR-AENAM sy-vline 
WA_FKKCRPOSPAY1_STR-AEDAT sy-vline 
WA_FKKCRPOSPAY1_STR-AETIM sy-vline 
WA_FKKCRPOSPAY1_STR-CASHRD sy-vline 
WA_FKKCRPOSPAY1_STR-CASHRT sy-vline 
WA_FKKCRPOSPAY1_STR-VOIDRS sy-vline 
WA_FKKCRPOSPAY1_STR-VOIDRD sy-vline 
WA_FKKCRPOSPAY1_STR-VOIDRT sy-vline      INTO ld_text SEPARATED BY SPACE.

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