ABAP Select data from SAP table ISI_SUMJIT_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISI_SUMJIT_DATA
*  INTO TABLE @DATA(IT_ISI_SUMJIT_DATA2).
*--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_ISI_SUMJIT_DATA INDEX 1 INTO DATA(WA_ISI_SUMJIT_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISI_SUMJIT_DATA>-PABNUM = 1.
<ISI_SUMJIT_DATA>-PABPOS = 1.
<ISI_SUMJIT_DATA>-H_PABZPK = 1.
<ISI_SUMJIT_DATA>-H_DATE = 1.
<ISI_SUMJIT_DATA>-H_TIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISI_SUMJIT_DATA-WERKS, sy-vline,
  WA_ISI_SUMJIT_DATA-LIFNR, sy-vline,
  WA_ISI_SUMJIT_DATA-PABDKZ, sy-vline,
  WA_ISI_SUMJIT_DATA-MATNR, sy-vline,
  WA_ISI_SUMJIT_DATA-IDNLF, sy-vline,
  WA_ISI_SUMJIT_DATA-MAT_DESC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISI_SUMJIT_DATA 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_ISI_SUMJIT_DATA 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_ISI_SUMJIT_DATA INTO WA_ISI_SUMJIT_DATA.


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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISI_SUMJIT_DATA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_SUMJIT_DATA-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISI_SUMJIT_DATA-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_SUMJIT_DATA-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISI_SUMJIT_DATA-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_SUMJIT_DATA-EBELN.
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_ISI_SUMJIT_DATA_STR, 
PABNUM TYPE STRING,
PABPOS TYPE STRING,
H_PABZPK TYPE STRING,
H_DATE TYPE STRING,
H_TIME TYPE STRING,
WERKS TYPE STRING,
LIFNR TYPE STRING,
PABDKZ TYPE STRING,
MATNR TYPE STRING,
IDNLF TYPE STRING,
MAT_DESC TYPE STRING,
PRVBE TYPE STRING,
PABMNG TYPE STRING,
MEINS TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ABLAD TYPE STRING,
LGBZO TYPE STRING,
I_PABZPK TYPE STRING,
I_DATE TYPE STRING,
I_TIME TYPE STRING,
PABWEF TYPE STRING,
PABWEM TYPE STRING,
STATUS TYPE STRING,
STATUST TYPE STRING,
SAEDT TYPE STRING,
SAEUZ TYPE STRING,
KANBAN TYPE STRING,
PKKEY TYPE STRING,
PRODN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISI_SUMJIT_DATA_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_ISI_SUMJIT_DATA_STR-PABNUM sy-vline 
WA_ISI_SUMJIT_DATA_STR-PABPOS sy-vline 
WA_ISI_SUMJIT_DATA_STR-H_PABZPK sy-vline 
WA_ISI_SUMJIT_DATA_STR-H_DATE sy-vline 
WA_ISI_SUMJIT_DATA_STR-H_TIME sy-vline 
WA_ISI_SUMJIT_DATA_STR-WERKS sy-vline 
WA_ISI_SUMJIT_DATA_STR-LIFNR sy-vline 
WA_ISI_SUMJIT_DATA_STR-PABDKZ sy-vline 
WA_ISI_SUMJIT_DATA_STR-MATNR sy-vline 
WA_ISI_SUMJIT_DATA_STR-IDNLF sy-vline 
WA_ISI_SUMJIT_DATA_STR-MAT_DESC sy-vline 
WA_ISI_SUMJIT_DATA_STR-PRVBE sy-vline 
WA_ISI_SUMJIT_DATA_STR-PABMNG sy-vline 
WA_ISI_SUMJIT_DATA_STR-MEINS sy-vline 
WA_ISI_SUMJIT_DATA_STR-EBELN sy-vline 
WA_ISI_SUMJIT_DATA_STR-EBELP sy-vline 
WA_ISI_SUMJIT_DATA_STR-ABLAD sy-vline 
WA_ISI_SUMJIT_DATA_STR-LGBZO sy-vline 
WA_ISI_SUMJIT_DATA_STR-I_PABZPK sy-vline 
WA_ISI_SUMJIT_DATA_STR-I_DATE sy-vline 
WA_ISI_SUMJIT_DATA_STR-I_TIME sy-vline 
WA_ISI_SUMJIT_DATA_STR-PABWEF sy-vline 
WA_ISI_SUMJIT_DATA_STR-PABWEM sy-vline 
WA_ISI_SUMJIT_DATA_STR-STATUS sy-vline 
WA_ISI_SUMJIT_DATA_STR-STATUST sy-vline 
WA_ISI_SUMJIT_DATA_STR-SAEDT sy-vline 
WA_ISI_SUMJIT_DATA_STR-SAEUZ sy-vline 
WA_ISI_SUMJIT_DATA_STR-KANBAN sy-vline 
WA_ISI_SUMJIT_DATA_STR-PKKEY sy-vline 
WA_ISI_SUMJIT_DATA_STR-PRODN sy-vline      INTO ld_text SEPARATED BY SPACE.

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