ABAP Select data from SAP table JBIUPSWAP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBIUPSWAP
*  INTO TABLE @DATA(IT_JBIUPSWAP2).
*--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_JBIUPSWAP INDEX 1 INTO DATA(WA_JBIUPSWAP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBIUPSWAP>-BUKRS = 1.
<JBIUPSWAP>-RFHA = 1.
<JBIUPSWAP>-SGSART = 1.
<JBIUPSWAP>-SFHAART = 1.
<JBIUPSWAP>-KONTRH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBIUPSWAP-EXTPARTNR, sy-vline,
  WA_JBIUPSWAP-RDEALER, sy-vline,
  WA_JBIUPSWAP-RPORTB, sy-vline,
  WA_JBIUPSWAP-DVTRAB, sy-vline,
  WA_JBIUPSWAP-TVTRAB, sy-vline,
  WA_JBIUPSWAP-RREFKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBIUPSWAP 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_JBIUPSWAP 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_JBIUPSWAP INTO WA_JBIUPSWAP.


*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 RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUPSWAP-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUPSWAP-RFHA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KONTRH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUPSWAP-KONTRH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUPSWAP-KONTRH.
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_JBIUPSWAP_STR, 
BUKRS TYPE STRING,
RFHA TYPE STRING,
SGSART TYPE STRING,
SFHAART TYPE STRING,
KONTRH TYPE STRING,
EXTPARTNR TYPE STRING,
RDEALER TYPE STRING,
RPORTB TYPE STRING,
DVTRAB TYPE STRING,
TVTRAB TYPE STRING,
RREFKONT TYPE STRING,
DBLFZ TYPE STRING,
DELFZ TYPE STRING,
SINCLE TYPE STRING,
RKONDGR TYPE STRING,
XNOMINALA TYPE STRING,
WNOMINALA TYPE STRING,
XNOMINALE TYPE STRING,
WNOMINALE TYPE STRING,
SKOART TYPE STRING,
DGUEL_KP TYPE STRING,
NSTUFE TYPE STRING,
PKOND TYPE STRING,
SZSREF TYPE STRING,
PZZUAB TYPE STRING,
BKOND TYPE STRING,
SZBMETH TYPE STRING,
SFORTREG TYPE STRING,
SFORTZAP TYPE STRING,
DVALUT TYPE STRING,
SVWERK TYPE STRING,
SVULT TYPE STRING,
INCLEXCL TYPE STRING,
DFAELL TYPE STRING,
SFWERK TYPE STRING,
SFULT TYPE STRING,
AMMRHY TYPE STRING,
ATTRHY TYPE STRING,
AFGSTAGE TYPE STRING,
AVGSTAGE TYPE STRING,
SKALID TYPE STRING,
SKALID2 TYPE STRING,
SKALID3 TYPE STRING,
JEXPOZINS TYPE STRING,
PKOND1STPER TYPE STRING,
PPAYMENT TYPE STRING,
SDWERK TYPE STRING,
SFORMREF TYPE STRING,
V1_PKOND TYPE STRING,
V1_SZSREF TYPE STRING,
V2_PKOND TYPE STRING,
V2_SZSREF TYPE STRING,
V3_PKOND TYPE STRING,
V3_SZSREF TYPE STRING,
V4_PKOND TYPE STRING,
V4_SZSREF TYPE STRING,
MIN_PKOND TYPE STRING,
MIN_SZSREF TYPE STRING,
MAX_PKOND TYPE STRING,
MAX_SZSREF TYPE STRING,
SRUNDUNG TYPE STRING,
PRUNIT TYPE STRING,
SFHAZBA TYPE STRING,
BZBETR TYPE STRING,
WZBETR TYPE STRING,
SSIGN TYPE STRING,
DZTERM TYPE STRING,
ZUOND TYPE STRING,
REFER TYPE STRING,
MERKM TYPE STRING,
JNULLKON TYPE STRING,
MODE TYPE STRING,
SEGMENT TYPE STRING,
ORG_INDEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBIUPSWAP_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_JBIUPSWAP_STR-BUKRS sy-vline 
WA_JBIUPSWAP_STR-RFHA sy-vline 
WA_JBIUPSWAP_STR-SGSART sy-vline 
WA_JBIUPSWAP_STR-SFHAART sy-vline 
WA_JBIUPSWAP_STR-KONTRH sy-vline 
WA_JBIUPSWAP_STR-EXTPARTNR sy-vline 
WA_JBIUPSWAP_STR-RDEALER sy-vline 
WA_JBIUPSWAP_STR-RPORTB sy-vline 
WA_JBIUPSWAP_STR-DVTRAB sy-vline 
WA_JBIUPSWAP_STR-TVTRAB sy-vline 
WA_JBIUPSWAP_STR-RREFKONT sy-vline 
WA_JBIUPSWAP_STR-DBLFZ sy-vline 
WA_JBIUPSWAP_STR-DELFZ sy-vline 
WA_JBIUPSWAP_STR-SINCLE sy-vline 
WA_JBIUPSWAP_STR-RKONDGR sy-vline 
WA_JBIUPSWAP_STR-XNOMINALA sy-vline 
WA_JBIUPSWAP_STR-WNOMINALA sy-vline 
WA_JBIUPSWAP_STR-XNOMINALE sy-vline 
WA_JBIUPSWAP_STR-WNOMINALE sy-vline 
WA_JBIUPSWAP_STR-SKOART sy-vline 
WA_JBIUPSWAP_STR-DGUEL_KP sy-vline 
WA_JBIUPSWAP_STR-NSTUFE sy-vline 
WA_JBIUPSWAP_STR-PKOND sy-vline 
WA_JBIUPSWAP_STR-SZSREF sy-vline 
WA_JBIUPSWAP_STR-PZZUAB sy-vline 
WA_JBIUPSWAP_STR-BKOND sy-vline 
WA_JBIUPSWAP_STR-SZBMETH sy-vline 
WA_JBIUPSWAP_STR-SFORTREG sy-vline 
WA_JBIUPSWAP_STR-SFORTZAP sy-vline 
WA_JBIUPSWAP_STR-DVALUT sy-vline 
WA_JBIUPSWAP_STR-SVWERK sy-vline 
WA_JBIUPSWAP_STR-SVULT sy-vline 
WA_JBIUPSWAP_STR-INCLEXCL sy-vline 
WA_JBIUPSWAP_STR-DFAELL sy-vline 
WA_JBIUPSWAP_STR-SFWERK sy-vline 
WA_JBIUPSWAP_STR-SFULT sy-vline 
WA_JBIUPSWAP_STR-AMMRHY sy-vline 
WA_JBIUPSWAP_STR-ATTRHY sy-vline 
WA_JBIUPSWAP_STR-AFGSTAGE sy-vline 
WA_JBIUPSWAP_STR-AVGSTAGE sy-vline 
WA_JBIUPSWAP_STR-SKALID sy-vline 
WA_JBIUPSWAP_STR-SKALID2 sy-vline 
WA_JBIUPSWAP_STR-SKALID3 sy-vline 
WA_JBIUPSWAP_STR-JEXPOZINS sy-vline 
WA_JBIUPSWAP_STR-PKOND1STPER sy-vline 
WA_JBIUPSWAP_STR-PPAYMENT sy-vline 
WA_JBIUPSWAP_STR-SDWERK sy-vline 
WA_JBIUPSWAP_STR-SFORMREF sy-vline 
WA_JBIUPSWAP_STR-V1_PKOND sy-vline 
WA_JBIUPSWAP_STR-V1_SZSREF sy-vline 
WA_JBIUPSWAP_STR-V2_PKOND sy-vline 
WA_JBIUPSWAP_STR-V2_SZSREF sy-vline 
WA_JBIUPSWAP_STR-V3_PKOND sy-vline 
WA_JBIUPSWAP_STR-V3_SZSREF sy-vline 
WA_JBIUPSWAP_STR-V4_PKOND sy-vline 
WA_JBIUPSWAP_STR-V4_SZSREF sy-vline 
WA_JBIUPSWAP_STR-MIN_PKOND sy-vline 
WA_JBIUPSWAP_STR-MIN_SZSREF sy-vline 
WA_JBIUPSWAP_STR-MAX_PKOND sy-vline 
WA_JBIUPSWAP_STR-MAX_SZSREF sy-vline 
WA_JBIUPSWAP_STR-SRUNDUNG sy-vline 
WA_JBIUPSWAP_STR-PRUNIT sy-vline 
WA_JBIUPSWAP_STR-SFHAZBA sy-vline 
WA_JBIUPSWAP_STR-BZBETR sy-vline 
WA_JBIUPSWAP_STR-WZBETR sy-vline 
WA_JBIUPSWAP_STR-SSIGN sy-vline 
WA_JBIUPSWAP_STR-DZTERM sy-vline 
WA_JBIUPSWAP_STR-ZUOND sy-vline 
WA_JBIUPSWAP_STR-REFER sy-vline 
WA_JBIUPSWAP_STR-MERKM sy-vline 
WA_JBIUPSWAP_STR-JNULLKON sy-vline 
WA_JBIUPSWAP_STR-MODE sy-vline 
WA_JBIUPSWAP_STR-SEGMENT sy-vline 
WA_JBIUPSWAP_STR-ORG_INDEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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