ABAP Select data from SAP table ISJP_S_INVSUMIT_PUB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISJP_S_INVSUMIT_PUB
*  INTO TABLE @DATA(IT_ISJP_S_INVSUMIT_PUB2).
*--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_ISJP_S_INVSUMIT_PUB INDEX 1 INTO DATA(WA_ISJP_S_INVSUMIT_PUB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISJP_S_INVSUMIT_PUB>-MANDT = 1.
<ISJP_S_INVSUMIT_PUB>-BUKRS = 1.
<ISJP_S_INVSUMIT_PUB>-BELNR = 1.
<ISJP_S_INVSUMIT_PUB>-GJAHR = 1.
<ISJP_S_INVSUMIT_PUB>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISJP_S_INVSUMIT_PUB-BSTAT, sy-vline,
  WA_ISJP_S_INVSUMIT_PUB-INVSUMPAYER, sy-vline,
  WA_ISJP_S_INVSUMIT_PUB-PIGRUNIT, sy-vline,
  WA_ISJP_S_INVSUMIT_PUB-WAERS, sy-vline,
  WA_ISJP_S_INVSUMIT_PUB-INVSUMRECIP, sy-vline,
  WA_ISJP_S_INVSUMIT_PUB-GRUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISJP_S_INVSUMIT_PUB 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_ISJP_S_INVSUMIT_PUB 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_ISJP_S_INVSUMIT_PUB INTO WA_ISJP_S_INVSUMIT_PUB.


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

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

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

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

*Conversion exit AU132, internal->external for field NETAMNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVSUMIT_PUB-NETAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVSUMIT_PUB-NETAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXAMNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVSUMIT_PUB-TAXAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVSUMIT_PUB-TAXAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field NETAMNT1
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVSUMIT_PUB-NETAMNT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVSUMIT_PUB-NETAMNT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXAMNT1
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVSUMIT_PUB-TAXAMNT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVSUMIT_PUB-TAXAMNT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field NETAMNT2
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVSUMIT_PUB-NETAMNT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVSUMIT_PUB-NETAMNT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXAMNT2
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVSUMIT_PUB-TAXAMNT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVSUMIT_PUB-TAXAMNT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field NETAMNT3
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVSUMIT_PUB-NETAMNT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVSUMIT_PUB-NETAMNT3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXAMNT3
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVSUMIT_PUB-TAXAMNT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVSUMIT_PUB-TAXAMNT3.
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_ISJP_S_INVSUMIT_PUB_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
BSTAT TYPE STRING,
INVSUMPAYER TYPE STRING,
PIGRUNIT TYPE STRING,
WAERS TYPE STRING,
INVSUMRECIP TYPE STRING,
GRUNIT TYPE STRING,
CLOSDATE TYPE STRING,
NETDT TYPE STRING,
MINR TYPE STRING,
NOTINCL TYPE STRING,
MIBLOCK TYPE STRING,
NETAMNT TYPE STRING,
TAXAMNT TYPE STRING,
MWSKZ TYPE STRING,
TXDAT_FROM TYPE STRING,
CREAUSER TYPE STRING,
CREADATE TYPE STRING,
CREATIME TYPE STRING,
CHANUSER TYPE STRING,
CHANDATE TYPE STRING,
CHANTIME TYPE STRING,
ITEMCAT TYPE STRING,
CLEARDATE TYPE STRING,
NETAMNT1 TYPE STRING,
TAXAMNT1 TYPE STRING,
MWSK1 TYPE STRING,
TXDAT_FROM1 TYPE STRING,
NETAMNT2 TYPE STRING,
TAXAMNT2 TYPE STRING,
MWSK2 TYPE STRING,
TXDAT_FROM2 TYPE STRING,
NETAMNT3 TYPE STRING,
TAXAMNT3 TYPE STRING,
MWSK3 TYPE STRING,
TXDAT_FROM3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISJP_S_INVSUMIT_PUB_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_ISJP_S_INVSUMIT_PUB_STR-MANDT sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-BUKRS sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-BELNR sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-GJAHR sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-BUZEI sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-BSTAT sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-INVSUMPAYER sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-PIGRUNIT sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-WAERS sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-INVSUMRECIP sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-GRUNIT sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-CLOSDATE sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-NETDT sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-MINR sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-NOTINCL sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-MIBLOCK sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-NETAMNT sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-TAXAMNT sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-MWSKZ sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-TXDAT_FROM sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-CREAUSER sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-CREADATE sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-CREATIME sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-CHANUSER sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-CHANDATE sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-CHANTIME sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-ITEMCAT sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-CLEARDATE sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-NETAMNT1 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-TAXAMNT1 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-MWSK1 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-TXDAT_FROM1 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-NETAMNT2 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-TAXAMNT2 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-MWSK2 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-TXDAT_FROM2 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-NETAMNT3 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-TAXAMNT3 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-MWSK3 sy-vline 
WA_ISJP_S_INVSUMIT_PUB_STR-TXDAT_FROM3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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