ABAP Select data from SAP table MEACCT1000 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MEACCT1000 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 MEACCT1000. 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 MEACCT1000 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_MEACCT1000 TYPE STANDARD TABLE OF MEACCT1000,
      WA_MEACCT1000 TYPE MEACCT1000,
      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: <MEACCT1000> TYPE MEACCT1000.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MEACCT1000.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MEACCT1000
  INTO TABLE IT_MEACCT1000.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MEACCT1000
*  INTO TABLE @DATA(IT_MEACCT10002).
*--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_MEACCT1000 INDEX 1 INTO DATA(WA_MEACCT10002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MEACCT1000 ASSIGNING <MEACCT1000>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MEACCT1000>-ZEXKN = 1.
<MEACCT1000>-LOEKZ = 1.
<MEACCT1000>-MENGE = 1.
<MEACCT1000>-VPROZ = 1.
<MEACCT1000>-SAKTO = 1.

ENDLOOP.

LOOP AT IT_MEACCT1000 INTO WA_MEACCT1000.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MEACCT1000-GSBER, sy-vline,
  WA_MEACCT1000-KOSTL, sy-vline,
  WA_MEACCT1000-VBELN, sy-vline,
  WA_MEACCT1000-VBELP, sy-vline,
  WA_MEACCT1000-VETEN, sy-vline,
  WA_MEACCT1000-ANLN1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MEACCT1000 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_MEACCT1000 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_MEACCT1000 INTO WA_MEACCT1000.


*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 SAKTO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SAKTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SAKTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-PRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-PRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-KBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-KBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field SGENR
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SGENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field SGRNR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SGRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SGRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field SMENR
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SMENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SMENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SMIVE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SMIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SMIVE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SNKSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEMPSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SEMPSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SEMPSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SVWNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SVWNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SVWNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-RECNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-RECNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SBERI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SBERI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SBERI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TCNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-TCNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-TCNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-PSP_PNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERVICE_DOC_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-SERVICE_DOC_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-SERVICE_DOC_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KBLNR_CAB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEACCT1000-KBLNR_CAB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEACCT1000-KBLNR_CAB.
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_MEACCT1000_STR, 
ZEXKN TYPE STRING,
LOEKZ TYPE STRING,
MENGE TYPE STRING,
VPROZ TYPE STRING,
SAKTO TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
VBELN TYPE STRING,
VBELP TYPE STRING,
VETEN TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
AUFNR TYPE STRING,
WEMPF TYPE STRING,
ABLAD TYPE STRING,
PRCTR TYPE STRING,
NPLNR TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
LSTAR TYPE STRING,
PRZNR TYPE STRING,
KBLNR TYPE STRING,
KBLPOS TYPE STRING,
VORNR TYPE STRING,
BUKRS TYPE STRING,
VRTKZ TYPE STRING,
MKNTM TYPE STRING,
ERGKZ TYPE STRING,
MKNTW TYPE STRING,
TCSELFLAG TYPE STRING,
STATUSICON TYPE STRING,
AA_FINAL_IND TYPE STRING,
AA_FINAL_REASON TYPE STRING,
AA_FINAL_QTY TYPE STRING,
AA_FINAL_RS_TXT TYPE STRING,
SWENR TYPE STRING,
SGENR TYPE STRING,
SGRNR TYPE STRING,
SMENR TYPE STRING,
SMIVE TYPE STRING,
SNKSL TYPE STRING,
SEMPSL TYPE STRING,
SVWNR TYPE STRING,
RECNNR TYPE STRING,
SBERI TYPE STRING,
TCNO TYPE STRING,
DABRZ TYPE STRING,
PSP_PNR TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
NETWR TYPE STRING,
MEASURE TYPE STRING,
BUDGET_PD TYPE STRING,
WAERS TYPE STRING,
FMFGUS_KEY TYPE STRING,
USKEYICON TYPE STRING,
SERVICE_DOC_TYPE TYPE STRING,
SERVICE_DOC_ID TYPE STRING,
SERVICE_DOC_ITEM_ID TYPE STRING,
KBLNR_CAB TYPE STRING,
KBLPOS_CAB TYPE STRING,
DATEOFSERVICE TYPE STRING,
NOTAXCORR TYPE STRING,
DIFFOPTRATE TYPE STRING,
HASDIFFOPTRATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MEACCT1000_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_MEACCT1000_STR-ZEXKN sy-vline 
WA_MEACCT1000_STR-LOEKZ sy-vline 
WA_MEACCT1000_STR-MENGE sy-vline 
WA_MEACCT1000_STR-VPROZ sy-vline 
WA_MEACCT1000_STR-SAKTO sy-vline 
WA_MEACCT1000_STR-GSBER sy-vline 
WA_MEACCT1000_STR-KOSTL sy-vline 
WA_MEACCT1000_STR-VBELN sy-vline 
WA_MEACCT1000_STR-VBELP sy-vline 
WA_MEACCT1000_STR-VETEN sy-vline 
WA_MEACCT1000_STR-ANLN1 sy-vline 
WA_MEACCT1000_STR-ANLN2 sy-vline 
WA_MEACCT1000_STR-AUFNR sy-vline 
WA_MEACCT1000_STR-WEMPF sy-vline 
WA_MEACCT1000_STR-ABLAD sy-vline 
WA_MEACCT1000_STR-PRCTR sy-vline 
WA_MEACCT1000_STR-NPLNR sy-vline 
WA_MEACCT1000_STR-FIPOS sy-vline 
WA_MEACCT1000_STR-FISTL sy-vline 
WA_MEACCT1000_STR-GEBER sy-vline 
WA_MEACCT1000_STR-LSTAR sy-vline 
WA_MEACCT1000_STR-PRZNR sy-vline 
WA_MEACCT1000_STR-KBLNR sy-vline 
WA_MEACCT1000_STR-KBLPOS sy-vline 
WA_MEACCT1000_STR-VORNR sy-vline 
WA_MEACCT1000_STR-BUKRS sy-vline 
WA_MEACCT1000_STR-VRTKZ sy-vline 
WA_MEACCT1000_STR-MKNTM sy-vline 
WA_MEACCT1000_STR-ERGKZ sy-vline 
WA_MEACCT1000_STR-MKNTW sy-vline 
WA_MEACCT1000_STR-TCSELFLAG sy-vline 
WA_MEACCT1000_STR-STATUSICON sy-vline 
WA_MEACCT1000_STR-AA_FINAL_IND sy-vline 
WA_MEACCT1000_STR-AA_FINAL_REASON sy-vline 
WA_MEACCT1000_STR-AA_FINAL_QTY sy-vline 
WA_MEACCT1000_STR-AA_FINAL_RS_TXT sy-vline 
WA_MEACCT1000_STR-SWENR sy-vline 
WA_MEACCT1000_STR-SGENR sy-vline 
WA_MEACCT1000_STR-SGRNR sy-vline 
WA_MEACCT1000_STR-SMENR sy-vline 
WA_MEACCT1000_STR-SMIVE sy-vline 
WA_MEACCT1000_STR-SNKSL sy-vline 
WA_MEACCT1000_STR-SEMPSL sy-vline 
WA_MEACCT1000_STR-SVWNR sy-vline 
WA_MEACCT1000_STR-RECNNR sy-vline 
WA_MEACCT1000_STR-SBERI sy-vline 
WA_MEACCT1000_STR-TCNO sy-vline 
WA_MEACCT1000_STR-DABRZ sy-vline 
WA_MEACCT1000_STR-PSP_PNR sy-vline 
WA_MEACCT1000_STR-FKBER sy-vline 
WA_MEACCT1000_STR-GRANT_NBR sy-vline 
WA_MEACCT1000_STR-NETWR sy-vline 
WA_MEACCT1000_STR-MEASURE sy-vline 
WA_MEACCT1000_STR-BUDGET_PD sy-vline 
WA_MEACCT1000_STR-WAERS sy-vline 
WA_MEACCT1000_STR-FMFGUS_KEY sy-vline 
WA_MEACCT1000_STR-USKEYICON sy-vline 
WA_MEACCT1000_STR-SERVICE_DOC_TYPE sy-vline 
WA_MEACCT1000_STR-SERVICE_DOC_ID sy-vline 
WA_MEACCT1000_STR-SERVICE_DOC_ITEM_ID sy-vline 
WA_MEACCT1000_STR-KBLNR_CAB sy-vline 
WA_MEACCT1000_STR-KBLPOS_CAB sy-vline 
WA_MEACCT1000_STR-DATEOFSERVICE sy-vline 
WA_MEACCT1000_STR-NOTAXCORR sy-vline 
WA_MEACCT1000_STR-DIFFOPTRATE sy-vline 
WA_MEACCT1000_STR-HASDIFFOPTRATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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