ABAP Select data from SAP table GLE_MCA_VACDOCA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GLE_MCA_VACDOCA
*  INTO TABLE @DATA(IT_GLE_MCA_VACDOCA2).
*--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_GLE_MCA_VACDOCA INDEX 1 INTO DATA(WA_GLE_MCA_VACDOCA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GLE_MCA_VACDOCA>-RCLNT = 1.
<GLE_MCA_VACDOCA>-RLDNR = 1.
<GLE_MCA_VACDOCA>-RBUKRS = 1.
<GLE_MCA_VACDOCA>-GJAHR = 1.
<GLE_MCA_VACDOCA>-BELNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GLE_MCA_VACDOCA-DOCLN, sy-vline,
  WA_GLE_MCA_VACDOCA-BSTAT, sy-vline,
  WA_GLE_MCA_VACDOCA-BLDAT, sy-vline,
  WA_GLE_MCA_VACDOCA-BUDAT, sy-vline,
  WA_GLE_MCA_VACDOCA-TIMESTAMP, sy-vline,
  WA_GLE_MCA_VACDOCA-BLART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GLE_MCA_VACDOCA 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_GLE_MCA_VACDOCA 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_GLE_MCA_VACDOCA INTO WA_GLE_MCA_VACDOCA.


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

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

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

*Conversion exit PERI7, internal->external for field FISCYEARPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_VACDOCA-FISCYEARPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_VACDOCA-FISCYEARPER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RASSC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_VACDOCA-RASSC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_VACDOCA-RASSC.
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_GLE_MCA_VACDOCA_STR, 
RCLNT TYPE STRING,
RLDNR TYPE STRING,
RBUKRS TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
DOCLN TYPE STRING,
BSTAT TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
TIMESTAMP TYPE STRING,
BLART TYPE STRING,
POPER TYPE STRING,
FISCYEARPER TYPE STRING,
PERIV TYPE STRING,
DRCRK TYPE STRING,
BSCHL TYPE STRING,
RACCT TYPE STRING,
GLACCOUNT_TYPE TYPE STRING,
LOKKT TYPE STRING,
KOART TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
KTOPL TYPE STRING,
KTOP2 TYPE STRING,
KOKRS TYPE STRING,
RCNTR TYPE STRING,
SCNTR TYPE STRING,
PRCTR TYPE STRING,
PPRCTR TYPE STRING,
EPRCTR TYPE STRING,
RBUSA TYPE STRING,
SBUSA TYPE STRING,
RFAREA TYPE STRING,
SFAREA TYPE STRING,
SEGMENT TYPE STRING,
PSEGMENT TYPE STRING,
ZUONR TYPE STRING,
SGTXT TYPE STRING,
AUFNR TYPE STRING,
PS_PSP_PNR TYPE STRING,
AWREF TYPE STRING,
AWORG TYPE STRING,
AWREF_REV TYPE STRING,
AWORG_REV TYPE STRING,
RASSC TYPE STRING,
RMVCT TYPE STRING,
RWCUR TYPE STRING,
WSL TYPE STRING,
RHCUR TYPE STRING,
HSL TYPE STRING,
RKCUR TYPE STRING,
KSL TYPE STRING,
ROCUR TYPE STRING,
OSL TYPE STRING,
RVCUR TYPE STRING,
VSL TYPE STRING,
RTCUR TYPE STRING,
TSL TYPE STRING,
STGRD TYPE STRING,
XBLNR TYPE STRING,
BKTXT TYPE STRING,
LDGRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GLE_MCA_VACDOCA_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_GLE_MCA_VACDOCA_STR-RCLNT sy-vline 
WA_GLE_MCA_VACDOCA_STR-RLDNR sy-vline 
WA_GLE_MCA_VACDOCA_STR-RBUKRS sy-vline 
WA_GLE_MCA_VACDOCA_STR-GJAHR sy-vline 
WA_GLE_MCA_VACDOCA_STR-BELNR sy-vline 
WA_GLE_MCA_VACDOCA_STR-DOCLN sy-vline 
WA_GLE_MCA_VACDOCA_STR-BSTAT sy-vline 
WA_GLE_MCA_VACDOCA_STR-BLDAT sy-vline 
WA_GLE_MCA_VACDOCA_STR-BUDAT sy-vline 
WA_GLE_MCA_VACDOCA_STR-TIMESTAMP sy-vline 
WA_GLE_MCA_VACDOCA_STR-BLART sy-vline 
WA_GLE_MCA_VACDOCA_STR-POPER sy-vline 
WA_GLE_MCA_VACDOCA_STR-FISCYEARPER sy-vline 
WA_GLE_MCA_VACDOCA_STR-PERIV sy-vline 
WA_GLE_MCA_VACDOCA_STR-DRCRK sy-vline 
WA_GLE_MCA_VACDOCA_STR-BSCHL sy-vline 
WA_GLE_MCA_VACDOCA_STR-RACCT sy-vline 
WA_GLE_MCA_VACDOCA_STR-GLACCOUNT_TYPE sy-vline 
WA_GLE_MCA_VACDOCA_STR-LOKKT sy-vline 
WA_GLE_MCA_VACDOCA_STR-KOART sy-vline 
WA_GLE_MCA_VACDOCA_STR-KUNNR sy-vline 
WA_GLE_MCA_VACDOCA_STR-LIFNR sy-vline 
WA_GLE_MCA_VACDOCA_STR-ANLN1 sy-vline 
WA_GLE_MCA_VACDOCA_STR-ANLN2 sy-vline 
WA_GLE_MCA_VACDOCA_STR-KTOPL sy-vline 
WA_GLE_MCA_VACDOCA_STR-KTOP2 sy-vline 
WA_GLE_MCA_VACDOCA_STR-KOKRS sy-vline 
WA_GLE_MCA_VACDOCA_STR-RCNTR sy-vline 
WA_GLE_MCA_VACDOCA_STR-SCNTR sy-vline 
WA_GLE_MCA_VACDOCA_STR-PRCTR sy-vline 
WA_GLE_MCA_VACDOCA_STR-PPRCTR sy-vline 
WA_GLE_MCA_VACDOCA_STR-EPRCTR sy-vline 
WA_GLE_MCA_VACDOCA_STR-RBUSA sy-vline 
WA_GLE_MCA_VACDOCA_STR-SBUSA sy-vline 
WA_GLE_MCA_VACDOCA_STR-RFAREA sy-vline 
WA_GLE_MCA_VACDOCA_STR-SFAREA sy-vline 
WA_GLE_MCA_VACDOCA_STR-SEGMENT sy-vline 
WA_GLE_MCA_VACDOCA_STR-PSEGMENT sy-vline 
WA_GLE_MCA_VACDOCA_STR-ZUONR sy-vline 
WA_GLE_MCA_VACDOCA_STR-SGTXT sy-vline 
WA_GLE_MCA_VACDOCA_STR-AUFNR sy-vline 
WA_GLE_MCA_VACDOCA_STR-PS_PSP_PNR sy-vline 
WA_GLE_MCA_VACDOCA_STR-AWREF sy-vline 
WA_GLE_MCA_VACDOCA_STR-AWORG sy-vline 
WA_GLE_MCA_VACDOCA_STR-AWREF_REV sy-vline 
WA_GLE_MCA_VACDOCA_STR-AWORG_REV sy-vline 
WA_GLE_MCA_VACDOCA_STR-RASSC sy-vline 
WA_GLE_MCA_VACDOCA_STR-RMVCT sy-vline 
WA_GLE_MCA_VACDOCA_STR-RWCUR sy-vline 
WA_GLE_MCA_VACDOCA_STR-WSL sy-vline 
WA_GLE_MCA_VACDOCA_STR-RHCUR sy-vline 
WA_GLE_MCA_VACDOCA_STR-HSL sy-vline 
WA_GLE_MCA_VACDOCA_STR-RKCUR sy-vline 
WA_GLE_MCA_VACDOCA_STR-KSL sy-vline 
WA_GLE_MCA_VACDOCA_STR-ROCUR sy-vline 
WA_GLE_MCA_VACDOCA_STR-OSL sy-vline 
WA_GLE_MCA_VACDOCA_STR-RVCUR sy-vline 
WA_GLE_MCA_VACDOCA_STR-VSL sy-vline 
WA_GLE_MCA_VACDOCA_STR-RTCUR sy-vline 
WA_GLE_MCA_VACDOCA_STR-TSL sy-vline 
WA_GLE_MCA_VACDOCA_STR-STGRD sy-vline 
WA_GLE_MCA_VACDOCA_STR-XBLNR sy-vline 
WA_GLE_MCA_VACDOCA_STR-BKTXT sy-vline 
WA_GLE_MCA_VACDOCA_STR-LDGRP sy-vline      INTO ld_text SEPARATED BY SPACE.

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