ABAP Select data from SAP table ACIDPJMMCK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACIDPJMMCK
*  INTO TABLE @DATA(IT_ACIDPJMMCK2).
*--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_ACIDPJMMCK INDEX 1 INTO DATA(WA_ACIDPJMMCK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACIDPJMMCK>-GLVOR = 1.
<ACIDPJMMCK>-BUDAT = 1.
<ACIDPJMMCK>-BLDAT = 1.
<ACIDPJMMCK>-BUKRS = 1.
<ACIDPJMMCK>-HKONT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACIDPJMMCK-GSBER, sy-vline,
  WA_ACIDPJMMCK-KOSTL, sy-vline,
  WA_ACIDPJMMCK-AUFNR, sy-vline,
  WA_ACIDPJMMCK-ANLN1, sy-vline,
  WA_ACIDPJMMCK-ANLN2, sy-vline,
  WA_ACIDPJMMCK-BZDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACIDPJMMCK 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_ACIDPJMMCK 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_ACIDPJMMCK INTO WA_ACIDPJMMCK.


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

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

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

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACIDPJMMCK-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACIDPJMMCK-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACIDPJMMCK-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACIDPJMMCK-ANLN2.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ACIDPJMMCK-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACIDPJMMCK-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_ACIDPJMMCK-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACIDPJMMCK-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACIDPJMMCK-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACIDPJMMCK-KDAUF.
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_ACIDPJMMCK_STR, 
GLVOR TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
BUKRS TYPE STRING,
HKONT TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
BZDAT TYPE STRING,
MATNR TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
WERKS TYPE STRING,
PARGB TYPE STRING,
KSTRG TYPE STRING,
PRCTR TYPE STRING,
PPRCTR TYPE STRING,
PS_PSP_PNR TYPE STRING,
NPLNR TYPE STRING,
AFPOS TYPE STRING,
FIKRS TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
BUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACIDPJMMCK_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_ACIDPJMMCK_STR-GLVOR sy-vline 
WA_ACIDPJMMCK_STR-BUDAT sy-vline 
WA_ACIDPJMMCK_STR-BLDAT sy-vline 
WA_ACIDPJMMCK_STR-BUKRS sy-vline 
WA_ACIDPJMMCK_STR-HKONT sy-vline 
WA_ACIDPJMMCK_STR-GSBER sy-vline 
WA_ACIDPJMMCK_STR-KOSTL sy-vline 
WA_ACIDPJMMCK_STR-AUFNR sy-vline 
WA_ACIDPJMMCK_STR-ANLN1 sy-vline 
WA_ACIDPJMMCK_STR-ANLN2 sy-vline 
WA_ACIDPJMMCK_STR-BZDAT sy-vline 
WA_ACIDPJMMCK_STR-MATNR sy-vline 
WA_ACIDPJMMCK_STR-MENGE sy-vline 
WA_ACIDPJMMCK_STR-MEINS sy-vline 
WA_ACIDPJMMCK_STR-WERKS sy-vline 
WA_ACIDPJMMCK_STR-PARGB sy-vline 
WA_ACIDPJMMCK_STR-KSTRG sy-vline 
WA_ACIDPJMMCK_STR-PRCTR sy-vline 
WA_ACIDPJMMCK_STR-PPRCTR sy-vline 
WA_ACIDPJMMCK_STR-PS_PSP_PNR sy-vline 
WA_ACIDPJMMCK_STR-NPLNR sy-vline 
WA_ACIDPJMMCK_STR-AFPOS sy-vline 
WA_ACIDPJMMCK_STR-FIKRS sy-vline 
WA_ACIDPJMMCK_STR-FIPOS sy-vline 
WA_ACIDPJMMCK_STR-FISTL sy-vline 
WA_ACIDPJMMCK_STR-GEBER sy-vline 
WA_ACIDPJMMCK_STR-KDAUF sy-vline 
WA_ACIDPJMMCK_STR-KDPOS sy-vline 
WA_ACIDPJMMCK_STR-BUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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