ABAP Select data from SAP table REEX_POSTING_CC_HEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REEX_POSTING_CC_HEADER
*  INTO TABLE @DATA(IT_REEX_POSTING_CC_HEADER2).
*--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_REEX_POSTING_CC_HEADER INDEX 1 INTO DATA(WA_REEX_POSTING_CC_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REEX_POSTING_CC_HEADER>-OBJNR = 1.
<REEX_POSTING_CC_HEADER>-REFBT = 1.
<REEX_POSTING_CC_HEADER>-REFBK = 1.
<REEX_POSTING_CC_HEADER>-REFBN = 1.
<REEX_POSTING_CC_HEADER>-AWORG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REEX_POSTING_CC_HEADER-AWKEY, sy-vline,
  WA_REEX_POSTING_CC_HEADER-REFGJ, sy-vline,
  WA_REEX_POSTING_CC_HEADER-REFBZ, sy-vline,
  WA_REEX_POSTING_CC_HEADER-AWTYP, sy-vline,
  WA_REEX_POSTING_CC_HEADER-LOGSYSTEM, sy-vline,
  WA_REEX_POSTING_CC_HEADER-KOKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REEX_POSTING_CC_HEADER 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_REEX_POSTING_CC_HEADER 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_REEX_POSTING_CC_HEADER INTO WA_REEX_POSTING_CC_HEADER.


*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.

*Conversion exit ALPHA, internal->external for field REFBN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-REFBN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-REFBN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REFGJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-REFGJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-REFGJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-LOGSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-LOGSYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-SWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-SNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-SNKSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEMPSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-SEMPSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-SEMPSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-VALIDTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SCKEYGRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-SCKEYGRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-SCKEYGRP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field IMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-IMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-IMKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STBLG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-STBLG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-STBLG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field STJAH
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REEX_POSTING_CC_HEADER-STJAH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEX_POSTING_CC_HEADER-STJAH.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_REEX_POSTING_CC_HEADER_STR, 
OBJNR TYPE STRING,
REFBT TYPE STRING,
REFBK TYPE STRING,
REFBN TYPE STRING,
AWORG TYPE STRING,
AWKEY TYPE STRING,
REFGJ TYPE STRING,
REFBZ TYPE STRING,
AWTYP TYPE STRING,
LOGSYSTEM TYPE STRING,
KOKRS TYPE STRING,
BELNR TYPE STRING,
BUKRS TYPE STRING,
SWENR TYPE STRING,
SNKSL TYPE STRING,
SEMPSL TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
XSSCKEY TYPE STRING,
XSU TYPE STRING,
KSTGRP TYPE STRING,
XKSTGRP TYPE STRING,
SKABRF TYPE STRING,
XMBEZ TYPE STRING,
XKBEZ TYPE STRING,
ABRKDNR TYPE STRING,
EXTERNAL_OBJID TYPE STRING,
SKSTSCHL TYPE STRING,
KBRART TYPE STRING,
XSKSTSCHL TYPE STRING,
XSBRART TYPE STRING,
IDENTPARENTSU TYPE STRING,
HASCOSTOBJECT TYPE STRING,
EXCHANGETYPE TYPE STRING,
COST_INDICATOR TYPE STRING,
IS_APPORTIONABLE TYPE STRING,
ONLY_COMMERCIAL TYPE STRING,
USE_HEATDAYS TYPE STRING,
DIRECTCOSTID TYPE STRING,
CREDITGLACCSYMB TYPE STRING,
SCKEYPROCIND TYPE STRING,
SCKEYGRP TYPE STRING,
XSCKEYGRP TYPE STRING,
PAROB1 TYPE STRING,
IMKEY TYPE STRING,
DABRBEZ TYPE STRING,
HWAERS TYPE STRING,
WAERS TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
USNAM TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
GJAHR TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
XWETEXT TYPE STRING,
ADRESSE TYPE STRING,
ISARCHIVED TYPE STRING,
BKTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REEX_POSTING_CC_HEADER_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_REEX_POSTING_CC_HEADER_STR-OBJNR sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-REFBT sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-REFBK sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-REFBN sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-AWORG sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-AWKEY sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-REFGJ sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-REFBZ sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-AWTYP sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-LOGSYSTEM sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-KOKRS sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-BELNR sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-BUKRS sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-SWENR sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-SNKSL sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-SEMPSL sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-VALIDFROM sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-VALIDTO sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XSSCKEY sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XSU sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-KSTGRP sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XKSTGRP sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-SKABRF sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XMBEZ sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XKBEZ sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-ABRKDNR sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-EXTERNAL_OBJID sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-SKSTSCHL sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-KBRART sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XSKSTSCHL sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XSBRART sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-IDENTPARENTSU sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-HASCOSTOBJECT sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-EXCHANGETYPE sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-COST_INDICATOR sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-IS_APPORTIONABLE sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-ONLY_COMMERCIAL sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-USE_HEATDAYS sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-DIRECTCOSTID sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-CREDITGLACCSYMB sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-SCKEYPROCIND sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-SCKEYGRP sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XSCKEYGRP sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-PAROB1 sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-IMKEY sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-DABRBEZ sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-HWAERS sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-WAERS sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-BUDAT sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-BLDAT sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-USNAM sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-CPUDT sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-CPUTM sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-GJAHR sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-STBLG sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-STJAH sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-XWETEXT sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-ADRESSE sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-ISARCHIVED sy-vline 
WA_REEX_POSTING_CC_HEADER_STR-BKTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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