ABAP Select data from SAP table ACDOCP_SI_CO_ORD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACDOCP_SI_CO_ORD
*  INTO TABLE @DATA(IT_ACDOCP_SI_CO_ORD2).
*--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_ACDOCP_SI_CO_ORD INDEX 1 INTO DATA(WA_ACDOCP_SI_CO_ORD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACDOCP_SI_CO_ORD>-CO_BELKZ = 1.
<ACDOCP_SI_CO_ORD>-PS_POSID = 1.
<ACDOCP_SI_CO_ORD>-PS_PSPID = 1.
<ACDOCP_SI_CO_ORD>-PERNR = 1.
<ACDOCP_SI_CO_ORD>-PBUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACDOCP_SI_CO_ORD-UKOSTL, sy-vline,
  WA_ACDOCP_SI_CO_ORD-ULSTAR, sy-vline,
  WA_ACDOCP_SI_CO_ORD-UPRCTR, sy-vline,
  WA_ACDOCP_SI_CO_ORD-ACCASTY, sy-vline,
  WA_ACDOCP_SI_CO_ORD-LSTAR, sy-vline,
  WA_ACDOCP_SI_CO_ORD-AUFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACDOCP_SI_CO_ORD 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_ACDOCP_SI_CO_ORD 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_ACDOCP_SI_CO_ORD INTO WA_ACDOCP_SI_CO_ORD.


*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 BEKNZ, internal->external for field CO_BELKZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_ACDOCP_SI_CO_ORD-CO_BELKZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOCP_SI_CO_ORD-CO_BELKZ.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SERVICE_CONTRACT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACDOCP_SI_CO_ORD-SERVICE_CONTRACT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACDOCP_SI_CO_ORD-SERVICE_CONTRACT_ID.
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_ACDOCP_SI_CO_ORD_STR, 
CO_BELKZ TYPE STRING,
PS_POSID TYPE STRING,
PS_PSPID TYPE STRING,
PERNR TYPE STRING,
PBUKRS TYPE STRING,
UKOSTL TYPE STRING,
ULSTAR TYPE STRING,
UPRCTR TYPE STRING,
ACCASTY TYPE STRING,
LSTAR TYPE STRING,
AUFNR TYPE STRING,
RSRCE TYPE STRING,
PAUFNR TYPE STRING,
PACCASTY TYPE STRING,
PLSTAR TYPE STRING,
PPS_POSID TYPE STRING,
PPS_PSPID TYPE STRING,
WORK_ITEM_ID TYPE STRING,
BEMOT TYPE STRING,
PSKNZ TYPE STRING,
SERVICE_DOC_TYPE TYPE STRING,
SERVICE_DOC_ID TYPE STRING,
SERVICE_DOC_ITEM_ID TYPE STRING,
SERVICE_CONTRACT_TYPE TYPE STRING,
SERVICE_CONTRACT_ID TYPE STRING,
SERVICE_CONTRACT_ITEM_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACDOCP_SI_CO_ORD_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_ACDOCP_SI_CO_ORD_STR-CO_BELKZ sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PS_POSID sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PS_PSPID sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PERNR sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PBUKRS sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-UKOSTL sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-ULSTAR sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-UPRCTR sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-ACCASTY sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-LSTAR sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-AUFNR sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-RSRCE sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PAUFNR sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PACCASTY sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PLSTAR sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PPS_POSID sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PPS_PSPID sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-WORK_ITEM_ID sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-BEMOT sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-PSKNZ sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-SERVICE_DOC_TYPE sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-SERVICE_DOC_ID sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-SERVICE_DOC_ITEM_ID sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-SERVICE_CONTRACT_TYPE sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-SERVICE_CONTRACT_ID sy-vline 
WA_ACDOCP_SI_CO_ORD_STR-SERVICE_CONTRACT_ITEM_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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