ABAP Select data from SAP table JIT_PRINT_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JIT_PRINT_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 JIT_PRINT_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 JIT_PRINT_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_JIT_PRINT_DATA TYPE STANDARD TABLE OF JIT_PRINT_DATA,
      WA_JIT_PRINT_DATA TYPE JIT_PRINT_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: <JIT_PRINT_DATA> TYPE JIT_PRINT_DATA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JIT_PRINT_DATA
*  INTO TABLE @DATA(IT_JIT_PRINT_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_JIT_PRINT_DATA INDEX 1 INTO DATA(WA_JIT_PRINT_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JIT_PRINT_DATA>-AUFST = 1.
<JIT_PRINT_DATA>-AUFWG = 1.
<JIT_PRINT_DATA>-STSOR = 1.
<JIT_PRINT_DATA>-MATNR = 1.
<JIT_PRINT_DATA>-WERKS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JIT_PRINT_DATA-BDART, sy-vline,
  WA_JIT_PRINT_DATA-POSTP, sy-vline,
  WA_JIT_PRINT_DATA-POSNR, sy-vline,
  WA_JIT_PRINT_DATA-DUMPS, sy-vline,
  WA_JIT_PRINT_DATA-INPOS, sy-vline,
  WA_JIT_PRINT_DATA-SGTPS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JIT_PRINT_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_JIT_PRINT_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_JIT_PRINT_DATA INTO WA_JIT_PRINT_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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_JIT_PRINT_DATA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JIT_PRINT_DATA-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_JIT_PRINT_DATA-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JIT_PRINT_DATA-POSNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field REVLV
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_JIT_PRINT_DATA-REVLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JIT_PRINT_DATA-REVLV.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field STLTX
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_JIT_PRINT_DATA-STLTX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JIT_PRINT_DATA-STLTX.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_JIT_PRINT_DATA-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JIT_PRINT_DATA-STLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MTNMT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_JIT_PRINT_DATA-MTNMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JIT_PRINT_DATA-MTNMT.
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_JIT_PRINT_DATA_STR, 
AUFST TYPE STRING,
AUFWG TYPE STRING,
STSOR TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
BDART TYPE STRING,
POSTP TYPE STRING,
POSNR TYPE STRING,
DUMPS TYPE STRING,
INPOS TYPE STRING,
SGTPS TYPE STRING,
BDMNG TYPE STRING,
LAGME TYPE STRING,
ESMNG TYPE STRING,
SHKZG TYPE STRING,
ERFMG TYPE STRING,
ERFME TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
FMENG TYPE STRING,
REVLV TYPE STRING,
ROHPS TYPE STRING,
ROANZ TYPE STRING,
ROMNG TYPE STRING,
ROMEI TYPE STRING,
ROMS1 TYPE STRING,
ROMS2 TYPE STRING,
ROMS3 TYPE STRING,
LGPRO TYPE STRING,
PRVBE TYPE STRING,
AUSME TYPE STRING,
STLTX TYPE STRING,
SGTX1 TYPE STRING,
SGTX2 TYPE STRING,
NOMNG TYPE STRING,
AENNR TYPE STRING,
BAUGR TYPE STRING,
BAUST TYPE STRING,
BAUWG TYPE STRING,
STLTY TYPE STRING,
STLNR TYPE STRING,
MATKL TYPE STRING,
DISMM TYPE STRING,
DISVF TYPE STRING,
DISST TYPE STRING,
MISKZ TYPE STRING,
MAKTX TYPE STRING,
XCHPF TYPE STRING,
MTAKZ TYPE STRING,
MTADT TYPE STRING,
MTNMT TYPE STRING,
ARBPL TYPE STRING,
KTEXT TYPE STRING,
JINUM TYPE STRING,
POSID TYPE STRING,
MATID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JIT_PRINT_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_JIT_PRINT_DATA_STR-AUFST sy-vline 
WA_JIT_PRINT_DATA_STR-AUFWG sy-vline 
WA_JIT_PRINT_DATA_STR-STSOR sy-vline 
WA_JIT_PRINT_DATA_STR-MATNR sy-vline 
WA_JIT_PRINT_DATA_STR-WERKS sy-vline 
WA_JIT_PRINT_DATA_STR-BDART sy-vline 
WA_JIT_PRINT_DATA_STR-POSTP sy-vline 
WA_JIT_PRINT_DATA_STR-POSNR sy-vline 
WA_JIT_PRINT_DATA_STR-DUMPS sy-vline 
WA_JIT_PRINT_DATA_STR-INPOS sy-vline 
WA_JIT_PRINT_DATA_STR-SGTPS sy-vline 
WA_JIT_PRINT_DATA_STR-BDMNG sy-vline 
WA_JIT_PRINT_DATA_STR-LAGME sy-vline 
WA_JIT_PRINT_DATA_STR-ESMNG sy-vline 
WA_JIT_PRINT_DATA_STR-SHKZG sy-vline 
WA_JIT_PRINT_DATA_STR-ERFMG sy-vline 
WA_JIT_PRINT_DATA_STR-ERFME sy-vline 
WA_JIT_PRINT_DATA_STR-UMREZ sy-vline 
WA_JIT_PRINT_DATA_STR-UMREN sy-vline 
WA_JIT_PRINT_DATA_STR-FMENG sy-vline 
WA_JIT_PRINT_DATA_STR-REVLV sy-vline 
WA_JIT_PRINT_DATA_STR-ROHPS sy-vline 
WA_JIT_PRINT_DATA_STR-ROANZ sy-vline 
WA_JIT_PRINT_DATA_STR-ROMNG sy-vline 
WA_JIT_PRINT_DATA_STR-ROMEI sy-vline 
WA_JIT_PRINT_DATA_STR-ROMS1 sy-vline 
WA_JIT_PRINT_DATA_STR-ROMS2 sy-vline 
WA_JIT_PRINT_DATA_STR-ROMS3 sy-vline 
WA_JIT_PRINT_DATA_STR-LGPRO sy-vline 
WA_JIT_PRINT_DATA_STR-PRVBE sy-vline 
WA_JIT_PRINT_DATA_STR-AUSME sy-vline 
WA_JIT_PRINT_DATA_STR-STLTX sy-vline 
WA_JIT_PRINT_DATA_STR-SGTX1 sy-vline 
WA_JIT_PRINT_DATA_STR-SGTX2 sy-vline 
WA_JIT_PRINT_DATA_STR-NOMNG sy-vline 
WA_JIT_PRINT_DATA_STR-AENNR sy-vline 
WA_JIT_PRINT_DATA_STR-BAUGR sy-vline 
WA_JIT_PRINT_DATA_STR-BAUST sy-vline 
WA_JIT_PRINT_DATA_STR-BAUWG sy-vline 
WA_JIT_PRINT_DATA_STR-STLTY sy-vline 
WA_JIT_PRINT_DATA_STR-STLNR sy-vline 
WA_JIT_PRINT_DATA_STR-MATKL sy-vline 
WA_JIT_PRINT_DATA_STR-DISMM sy-vline 
WA_JIT_PRINT_DATA_STR-DISVF sy-vline 
WA_JIT_PRINT_DATA_STR-DISST sy-vline 
WA_JIT_PRINT_DATA_STR-MISKZ sy-vline 
WA_JIT_PRINT_DATA_STR-MAKTX sy-vline 
WA_JIT_PRINT_DATA_STR-XCHPF sy-vline 
WA_JIT_PRINT_DATA_STR-MTAKZ sy-vline 
WA_JIT_PRINT_DATA_STR-MTADT sy-vline 
WA_JIT_PRINT_DATA_STR-MTNMT sy-vline 
WA_JIT_PRINT_DATA_STR-ARBPL sy-vline 
WA_JIT_PRINT_DATA_STR-KTEXT sy-vline 
WA_JIT_PRINT_DATA_STR-JINUM sy-vline 
WA_JIT_PRINT_DATA_STR-POSID sy-vline 
WA_JIT_PRINT_DATA_STR-MATID sy-vline      INTO ld_text SEPARATED BY SPACE.

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