ABAP Select data from SAP table IMAK_M into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMAK_M
*  INTO TABLE @DATA(IT_IMAK_M2).
*--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_IMAK_M INDEX 1 INTO DATA(WA_IMAK_M2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMAK_M>-MANDT = 1.
<IMAK_M>-POSNR = 1.
<IMAK_M>-IVART = 1.
<IMAK_M>-POSID = 1.
<IMAK_M>-OBJNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMAK_M-WAERS, sy-vline,
  WA_IMAK_M-ERNAM, sy-vline,
  WA_IMAK_M-ERDAT, sy-vline,
  WA_IMAK_M-AENAM, sy-vline,
  WA_IMAK_M-AEDAT, sy-vline,
  WA_IMAK_M-VKOKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMAK_M 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_IMAK_M 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_IMAK_M INTO WA_IMAK_M.


*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 REQNR, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_REQNR_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-POSNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit REQID, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_REQID_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-POSID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit KONPD, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_KONPD_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-PSPNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field USE04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-USE04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-USE04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field USE05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-USE05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-USE05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PS_POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-PS_POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-PS_POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PS_PSPID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-PS_PSPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-PS_PSPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit POSID, internal->external for field IP_POSID1
CALL FUNCTION 'CONVERSION_EXIT_POSID_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-IP_POSID1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-IP_POSID1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field IP_GJAHR1
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-IP_GJAHR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-IP_GJAHR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit POSID, internal->external for field IP_POSID2
CALL FUNCTION 'CONVERSION_EXIT_POSID_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-IP_POSID2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-IP_POSID2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field IP_GJAHR2
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-IP_GJAHR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-IP_GJAHR2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit POSID, internal->external for field IP_POSID3
CALL FUNCTION 'CONVERSION_EXIT_POSID_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-IP_POSID3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-IP_POSID3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field IP_GJAHR3
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IMAK_M-IP_GJAHR3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAK_M-IP_GJAHR3.
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_IMAK_M_STR, 
MANDT TYPE STRING,
POSNR TYPE STRING,
IVART TYPE STRING,
POSID TYPE STRING,
OBJNR TYPE STRING,
WAERS TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
VKOKRS TYPE STRING,
ABUKRS TYPE STRING,
VBUKRS TYPE STRING,
ARCOMP TYPE STRING,
VRCOMP TYPE STRING,
FKBER TYPE STRING,
TPLNR TYPE STRING,
WERKS TYPE STRING,
SIZECL TYPE STRING,
WDATU TYPE STRING,
PRIORI TYPE STRING,
VKOSTL TYPE STRING,
VPRCTR TYPE STRING,
VGSBER TYPE STRING,
XEXTRN TYPE STRING,
AUART TYPE STRING,
PROFIDPROJ TYPE STRING,
XEINZL TYPE STRING,
VBUND TYPE STRING,
PSPNR TYPE STRING,
GDATU TYPE STRING,
GJAHR TYPE STRING,
STORT TYPE STRING,
PRART TYPE STRING,
LOGSYSTEM TYPE STRING,
LAND1 TYPE STRING,
XWFLOW TYPE STRING,
SCOPE TYPE STRING,
USR00 TYPE STRING,
USR01 TYPE STRING,
USR02 TYPE STRING,
USR03 TYPE STRING,
USR04 TYPE STRING,
USE04 TYPE STRING,
USR05 TYPE STRING,
USE05 TYPE STRING,
USR06 TYPE STRING,
USE06 TYPE STRING,
USR07 TYPE STRING,
USE07 TYPE STRING,
USR08 TYPE STRING,
USR09 TYPE STRING,
USR10 TYPE STRING,
USR11 TYPE STRING,
USR12 TYPE STRING,
USR13 TYPE STRING,
SYST_OLD TYPE STRING,
USER_OLD TYPE STRING,
SYST_NEW TYPE STRING,
USER_NEW TYPE STRING,
ACTIVITY TYPE STRING,
USER_STATUS TYPE STRING,
INACTIVATE TYPE STRING,
FUNCT TYPE STRING,
PS_POSID TYPE STRING,
PS_PSPID TYPE STRING,
IP_PRNAM1 TYPE STRING,
IP_POSID1 TYPE STRING,
IP_GJAHR1 TYPE STRING,
IP_PROZU1 TYPE STRING,
IP_IPPOS1 TYPE STRING,
IP_BAPRZ1 TYPE STRING,
IP_PRNAM2 TYPE STRING,
IP_POSID2 TYPE STRING,
IP_GJAHR2 TYPE STRING,
IP_PROZU2 TYPE STRING,
IP_IPPOS2 TYPE STRING,
IP_BAPRZ2 TYPE STRING,
IP_PRNAM3 TYPE STRING,
IP_POSID3 TYPE STRING,
IP_GJAHR3 TYPE STRING,
IP_PROZU3 TYPE STRING,
IP_IPPOS3 TYPE STRING,
IP_BAPRZ3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMAK_M_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_IMAK_M_STR-MANDT sy-vline 
WA_IMAK_M_STR-POSNR sy-vline 
WA_IMAK_M_STR-IVART sy-vline 
WA_IMAK_M_STR-POSID sy-vline 
WA_IMAK_M_STR-OBJNR sy-vline 
WA_IMAK_M_STR-WAERS sy-vline 
WA_IMAK_M_STR-ERNAM sy-vline 
WA_IMAK_M_STR-ERDAT sy-vline 
WA_IMAK_M_STR-AENAM sy-vline 
WA_IMAK_M_STR-AEDAT sy-vline 
WA_IMAK_M_STR-VKOKRS sy-vline 
WA_IMAK_M_STR-ABUKRS sy-vline 
WA_IMAK_M_STR-VBUKRS sy-vline 
WA_IMAK_M_STR-ARCOMP sy-vline 
WA_IMAK_M_STR-VRCOMP sy-vline 
WA_IMAK_M_STR-FKBER sy-vline 
WA_IMAK_M_STR-TPLNR sy-vline 
WA_IMAK_M_STR-WERKS sy-vline 
WA_IMAK_M_STR-SIZECL sy-vline 
WA_IMAK_M_STR-WDATU sy-vline 
WA_IMAK_M_STR-PRIORI sy-vline 
WA_IMAK_M_STR-VKOSTL sy-vline 
WA_IMAK_M_STR-VPRCTR sy-vline 
WA_IMAK_M_STR-VGSBER sy-vline 
WA_IMAK_M_STR-XEXTRN sy-vline 
WA_IMAK_M_STR-AUART sy-vline 
WA_IMAK_M_STR-PROFIDPROJ sy-vline 
WA_IMAK_M_STR-XEINZL sy-vline 
WA_IMAK_M_STR-VBUND sy-vline 
WA_IMAK_M_STR-PSPNR sy-vline 
WA_IMAK_M_STR-GDATU sy-vline 
WA_IMAK_M_STR-GJAHR sy-vline 
WA_IMAK_M_STR-STORT sy-vline 
WA_IMAK_M_STR-PRART sy-vline 
WA_IMAK_M_STR-LOGSYSTEM sy-vline 
WA_IMAK_M_STR-LAND1 sy-vline 
WA_IMAK_M_STR-XWFLOW sy-vline 
WA_IMAK_M_STR-SCOPE sy-vline 
WA_IMAK_M_STR-USR00 sy-vline 
WA_IMAK_M_STR-USR01 sy-vline 
WA_IMAK_M_STR-USR02 sy-vline 
WA_IMAK_M_STR-USR03 sy-vline 
WA_IMAK_M_STR-USR04 sy-vline 
WA_IMAK_M_STR-USE04 sy-vline 
WA_IMAK_M_STR-USR05 sy-vline 
WA_IMAK_M_STR-USE05 sy-vline 
WA_IMAK_M_STR-USR06 sy-vline 
WA_IMAK_M_STR-USE06 sy-vline 
WA_IMAK_M_STR-USR07 sy-vline 
WA_IMAK_M_STR-USE07 sy-vline 
WA_IMAK_M_STR-USR08 sy-vline 
WA_IMAK_M_STR-USR09 sy-vline 
WA_IMAK_M_STR-USR10 sy-vline 
WA_IMAK_M_STR-USR11 sy-vline 
WA_IMAK_M_STR-USR12 sy-vline 
WA_IMAK_M_STR-USR13 sy-vline 
WA_IMAK_M_STR-SYST_OLD sy-vline 
WA_IMAK_M_STR-USER_OLD sy-vline 
WA_IMAK_M_STR-SYST_NEW sy-vline 
WA_IMAK_M_STR-USER_NEW sy-vline 
WA_IMAK_M_STR-ACTIVITY sy-vline 
WA_IMAK_M_STR-USER_STATUS sy-vline 
WA_IMAK_M_STR-INACTIVATE sy-vline 
WA_IMAK_M_STR-FUNCT sy-vline 
WA_IMAK_M_STR-PS_POSID sy-vline 
WA_IMAK_M_STR-PS_PSPID sy-vline 
WA_IMAK_M_STR-IP_PRNAM1 sy-vline 
WA_IMAK_M_STR-IP_POSID1 sy-vline 
WA_IMAK_M_STR-IP_GJAHR1 sy-vline 
WA_IMAK_M_STR-IP_PROZU1 sy-vline 
WA_IMAK_M_STR-IP_IPPOS1 sy-vline 
WA_IMAK_M_STR-IP_BAPRZ1 sy-vline 
WA_IMAK_M_STR-IP_PRNAM2 sy-vline 
WA_IMAK_M_STR-IP_POSID2 sy-vline 
WA_IMAK_M_STR-IP_GJAHR2 sy-vline 
WA_IMAK_M_STR-IP_PROZU2 sy-vline 
WA_IMAK_M_STR-IP_IPPOS2 sy-vline 
WA_IMAK_M_STR-IP_BAPRZ2 sy-vline 
WA_IMAK_M_STR-IP_PRNAM3 sy-vline 
WA_IMAK_M_STR-IP_POSID3 sy-vline 
WA_IMAK_M_STR-IP_GJAHR3 sy-vline 
WA_IMAK_M_STR-IP_PROZU3 sy-vline 
WA_IMAK_M_STR-IP_IPPOS3 sy-vline 
WA_IMAK_M_STR-IP_BAPRZ3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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