ABAP Select data from SAP table ACDOC_SI_00 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ACDOC_SI_00 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 ACDOC_SI_00. 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 ACDOC_SI_00 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_ACDOC_SI_00 TYPE STANDARD TABLE OF ACDOC_SI_00,
      WA_ACDOC_SI_00 TYPE ACDOC_SI_00,
      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: <ACDOC_SI_00> TYPE ACDOC_SI_00.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ACDOC_SI_00.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ACDOC_SI_00
  INTO TABLE IT_ACDOC_SI_00.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACDOC_SI_00
*  INTO TABLE @DATA(IT_ACDOC_SI_002).
*--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_ACDOC_SI_00 INDEX 1 INTO DATA(WA_ACDOC_SI_002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ACDOC_SI_00 ASSIGNING <ACDOC_SI_00>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACDOC_SI_00>-RMVCT = 1.
<ACDOC_SI_00>-VORGN = 1.
<ACDOC_SI_00>-VRGNG = 1.
<ACDOC_SI_00>-BTTYPE = 1.
<ACDOC_SI_00>-CBTTYPE = 1.

ENDLOOP.

LOOP AT IT_ACDOC_SI_00 INTO WA_ACDOC_SI_00.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACDOC_SI_00-CLOSINGSTEP, sy-vline,
  WA_ACDOC_SI_00-AWTYP, sy-vline,
  WA_ACDOC_SI_00-AWSYS, sy-vline,
  WA_ACDOC_SI_00-AWORG, sy-vline,
  WA_ACDOC_SI_00-AWREF, sy-vline,
  WA_ACDOC_SI_00-AWITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACDOC_SI_00 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_ACDOC_SI_00 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_ACDOC_SI_00 INTO WA_ACDOC_SI_00.


*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 AWSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-AWSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AWREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-AWREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-AWREF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AWREF_REV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-AWREF_REV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-AWREF_REV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PREC_AWSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-PREC_AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-PREC_AWSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PREC_AWREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-PREC_AWREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-PREC_AWREF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PREC_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-PREC_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-PREC_GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PREC_BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-PREC_BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-PREC_BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRC_AWSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-SRC_AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-SRC_AWSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRC_AWREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-SRC_AWREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-SRC_AWREF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-RUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-RUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RVUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-RVUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-RVUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RRUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-RRUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-RRUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RIUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-RIUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-RIUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUNIT1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-QUNIT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-QUNIT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUNIT2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-QUNIT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-QUNIT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUNIT3
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-QUNIT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-QUNIT3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CO_MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACDOC_SI_00-CO_MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOC_SI_00-CO_MEINH.
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_ACDOC_SI_00_STR, 
RMVCT TYPE STRING,
VORGN TYPE STRING,
VRGNG TYPE STRING,
BTTYPE TYPE STRING,
CBTTYPE TYPE STRING,
CLOSINGSTEP TYPE STRING,
AWTYP TYPE STRING,
AWSYS TYPE STRING,
AWORG TYPE STRING,
AWREF TYPE STRING,
AWITEM TYPE STRING,
AWITGRP TYPE STRING,
SUBTA TYPE STRING,
XREVERSING TYPE STRING,
XREVERSED TYPE STRING,
XTRUEREV TYPE STRING,
AWTYP_REV TYPE STRING,
AWORG_REV TYPE STRING,
AWREF_REV TYPE STRING,
AWITEM_REV TYPE STRING,
SUBTA_REV TYPE STRING,
XSETTLING TYPE STRING,
XSETTLED TYPE STRING,
PREC_AWTYP TYPE STRING,
PREC_AWSYS TYPE STRING,
PREC_AWORG TYPE STRING,
PREC_AWREF TYPE STRING,
PREC_AWITEM TYPE STRING,
PREC_SUBTA TYPE STRING,
PREC_AWMULT TYPE STRING,
PREC_BUKRS TYPE STRING,
PREC_GJAHR TYPE STRING,
PREC_BELNR TYPE STRING,
PREC_DOCLN TYPE STRING,
XSECONDARY TYPE STRING,
CLOSING_RUN_ID TYPE STRING,
ORGL_CHANGE TYPE STRING,
SRC_AWTYP TYPE STRING,
SRC_AWSYS TYPE STRING,
SRC_AWORG TYPE STRING,
SRC_AWREF TYPE STRING,
SRC_AWITEM TYPE STRING,
SRC_AWSUBIT TYPE STRING,
XCOMMITMENT TYPE STRING,
OBS_REASON TYPE STRING,
RTCUR TYPE STRING,
RWCUR TYPE STRING,
RHCUR TYPE STRING,
RKCUR TYPE STRING,
RFCCUR TYPE STRING,
ROCUR TYPE STRING,
RVCUR TYPE STRING,
RBCUR TYPE STRING,
RCCUR TYPE STRING,
RDCUR TYPE STRING,
RECUR TYPE STRING,
RFCUR TYPE STRING,
RGCUR TYPE STRING,
RCO_OCUR TYPE STRING,
RGM_OCUR TYPE STRING,
RUNIT TYPE STRING,
RVUNIT TYPE STRING,
RRUNIT TYPE STRING,
RMSL_TYPE TYPE STRING,
RIUNIT TYPE STRING,
QUNIT1 TYPE STRING,
QUNIT2 TYPE STRING,
QUNIT3 TYPE STRING,
CO_MEINH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACDOC_SI_00_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_ACDOC_SI_00_STR-RMVCT sy-vline 
WA_ACDOC_SI_00_STR-VORGN sy-vline 
WA_ACDOC_SI_00_STR-VRGNG sy-vline 
WA_ACDOC_SI_00_STR-BTTYPE sy-vline 
WA_ACDOC_SI_00_STR-CBTTYPE sy-vline 
WA_ACDOC_SI_00_STR-CLOSINGSTEP sy-vline 
WA_ACDOC_SI_00_STR-AWTYP sy-vline 
WA_ACDOC_SI_00_STR-AWSYS sy-vline 
WA_ACDOC_SI_00_STR-AWORG sy-vline 
WA_ACDOC_SI_00_STR-AWREF sy-vline 
WA_ACDOC_SI_00_STR-AWITEM sy-vline 
WA_ACDOC_SI_00_STR-AWITGRP sy-vline 
WA_ACDOC_SI_00_STR-SUBTA sy-vline 
WA_ACDOC_SI_00_STR-XREVERSING sy-vline 
WA_ACDOC_SI_00_STR-XREVERSED sy-vline 
WA_ACDOC_SI_00_STR-XTRUEREV sy-vline 
WA_ACDOC_SI_00_STR-AWTYP_REV sy-vline 
WA_ACDOC_SI_00_STR-AWORG_REV sy-vline 
WA_ACDOC_SI_00_STR-AWREF_REV sy-vline 
WA_ACDOC_SI_00_STR-AWITEM_REV sy-vline 
WA_ACDOC_SI_00_STR-SUBTA_REV sy-vline 
WA_ACDOC_SI_00_STR-XSETTLING sy-vline 
WA_ACDOC_SI_00_STR-XSETTLED sy-vline 
WA_ACDOC_SI_00_STR-PREC_AWTYP sy-vline 
WA_ACDOC_SI_00_STR-PREC_AWSYS sy-vline 
WA_ACDOC_SI_00_STR-PREC_AWORG sy-vline 
WA_ACDOC_SI_00_STR-PREC_AWREF sy-vline 
WA_ACDOC_SI_00_STR-PREC_AWITEM sy-vline 
WA_ACDOC_SI_00_STR-PREC_SUBTA sy-vline 
WA_ACDOC_SI_00_STR-PREC_AWMULT sy-vline 
WA_ACDOC_SI_00_STR-PREC_BUKRS sy-vline 
WA_ACDOC_SI_00_STR-PREC_GJAHR sy-vline 
WA_ACDOC_SI_00_STR-PREC_BELNR sy-vline 
WA_ACDOC_SI_00_STR-PREC_DOCLN sy-vline 
WA_ACDOC_SI_00_STR-XSECONDARY sy-vline 
WA_ACDOC_SI_00_STR-CLOSING_RUN_ID sy-vline 
WA_ACDOC_SI_00_STR-ORGL_CHANGE sy-vline 
WA_ACDOC_SI_00_STR-SRC_AWTYP sy-vline 
WA_ACDOC_SI_00_STR-SRC_AWSYS sy-vline 
WA_ACDOC_SI_00_STR-SRC_AWORG sy-vline 
WA_ACDOC_SI_00_STR-SRC_AWREF sy-vline 
WA_ACDOC_SI_00_STR-SRC_AWITEM sy-vline 
WA_ACDOC_SI_00_STR-SRC_AWSUBIT sy-vline 
WA_ACDOC_SI_00_STR-XCOMMITMENT sy-vline 
WA_ACDOC_SI_00_STR-OBS_REASON sy-vline 
WA_ACDOC_SI_00_STR-RTCUR sy-vline 
WA_ACDOC_SI_00_STR-RWCUR sy-vline 
WA_ACDOC_SI_00_STR-RHCUR sy-vline 
WA_ACDOC_SI_00_STR-RKCUR sy-vline 
WA_ACDOC_SI_00_STR-RFCCUR sy-vline 
WA_ACDOC_SI_00_STR-ROCUR sy-vline 
WA_ACDOC_SI_00_STR-RVCUR sy-vline 
WA_ACDOC_SI_00_STR-RBCUR sy-vline 
WA_ACDOC_SI_00_STR-RCCUR sy-vline 
WA_ACDOC_SI_00_STR-RDCUR sy-vline 
WA_ACDOC_SI_00_STR-RECUR sy-vline 
WA_ACDOC_SI_00_STR-RFCUR sy-vline 
WA_ACDOC_SI_00_STR-RGCUR sy-vline 
WA_ACDOC_SI_00_STR-RCO_OCUR sy-vline 
WA_ACDOC_SI_00_STR-RGM_OCUR sy-vline 
WA_ACDOC_SI_00_STR-RUNIT sy-vline 
WA_ACDOC_SI_00_STR-RVUNIT sy-vline 
WA_ACDOC_SI_00_STR-RRUNIT sy-vline 
WA_ACDOC_SI_00_STR-RMSL_TYPE sy-vline 
WA_ACDOC_SI_00_STR-RIUNIT sy-vline 
WA_ACDOC_SI_00_STR-QUNIT1 sy-vline 
WA_ACDOC_SI_00_STR-QUNIT2 sy-vline 
WA_ACDOC_SI_00_STR-QUNIT3 sy-vline 
WA_ACDOC_SI_00_STR-CO_MEINH sy-vline      INTO ld_text SEPARATED BY SPACE.

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