ABAP Select data from SAP table PRMGMKZ_ZT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRMGMKZ_ZT
*  INTO TABLE @DATA(IT_PRMGMKZ_ZT2).
*--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_PRMGMKZ_ZT INDEX 1 INTO DATA(WA_PRMGMKZ_ZT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRMGMKZ_ZT>-FISCVAR = 1.
<PRMGMKZ_ZT>-FISCYEAR = 1.
<PRMGMKZ_ZT>-FISCPER3 = 1.
<PRMGMKZ_ZT>-PLNNR = 1.
<PRMGMKZ_ZT>-PLNAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRMGMKZ_ZT-WAPOS, sy-vline,
  WA_PRMGMKZ_ZT-SAKTO, sy-vline,
  WA_PRMGMKZ_ZT-KOKRS, sy-vline,
  WA_PRMGMKZ_ZT-DATUM, sy-vline,
  WA_PRMGMKZ_ZT-SWG, sy-vline,
  WA_PRMGMKZ_ZT-WAERS_SWG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRMGMKZ_ZT 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_PRMGMKZ_ZT 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_PRMGMKZ_ZT INTO WA_PRMGMKZ_ZT.


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

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

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

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

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

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

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

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

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

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

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_PRMGMKZ_ZT-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRMGMKZ_ZT-TPLNR.
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_PRMGMKZ_ZT_STR, 
FISCVAR TYPE STRING,
FISCYEAR TYPE STRING,
FISCPER3 TYPE STRING,
PLNNR TYPE STRING,
PLNAL TYPE STRING,
WAPOS TYPE STRING,
SAKTO TYPE STRING,
KOKRS TYPE STRING,
DATUM TYPE STRING,
SWG TYPE STRING,
WAERS_SWG TYPE STRING,
CURTYPE TYPE STRING,
AUFNR TYPE STRING,
AUART TYPE STRING,
VORNR TYPE STRING,
UVORN TYPE STRING,
LTXA1 TYPE STRING,
QMNUM TYPE STRING,
QMART TYPE STRING,
EQUNR TYPE STRING,
TPLNR TYPE STRING,
STRAT TYPE STRING,
HIERA TYPE STRING,
PAKET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRMGMKZ_ZT_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_PRMGMKZ_ZT_STR-FISCVAR sy-vline 
WA_PRMGMKZ_ZT_STR-FISCYEAR sy-vline 
WA_PRMGMKZ_ZT_STR-FISCPER3 sy-vline 
WA_PRMGMKZ_ZT_STR-PLNNR sy-vline 
WA_PRMGMKZ_ZT_STR-PLNAL sy-vline 
WA_PRMGMKZ_ZT_STR-WAPOS sy-vline 
WA_PRMGMKZ_ZT_STR-SAKTO sy-vline 
WA_PRMGMKZ_ZT_STR-KOKRS sy-vline 
WA_PRMGMKZ_ZT_STR-DATUM sy-vline 
WA_PRMGMKZ_ZT_STR-SWG sy-vline 
WA_PRMGMKZ_ZT_STR-WAERS_SWG sy-vline 
WA_PRMGMKZ_ZT_STR-CURTYPE sy-vline 
WA_PRMGMKZ_ZT_STR-AUFNR sy-vline 
WA_PRMGMKZ_ZT_STR-AUART sy-vline 
WA_PRMGMKZ_ZT_STR-VORNR sy-vline 
WA_PRMGMKZ_ZT_STR-UVORN sy-vline 
WA_PRMGMKZ_ZT_STR-LTXA1 sy-vline 
WA_PRMGMKZ_ZT_STR-QMNUM sy-vline 
WA_PRMGMKZ_ZT_STR-QMART sy-vline 
WA_PRMGMKZ_ZT_STR-EQUNR sy-vline 
WA_PRMGMKZ_ZT_STR-TPLNR sy-vline 
WA_PRMGMKZ_ZT_STR-STRAT sy-vline 
WA_PRMGMKZ_ZT_STR-HIERA sy-vline 
WA_PRMGMKZ_ZT_STR-PAKET sy-vline      INTO ld_text SEPARATED BY SPACE.

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