ABAP Select data from SAP table PRTOCCOGMHDRITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRTOCCOGMHDRITM
*  INTO TABLE @DATA(IT_PRTOCCOGMHDRITM2).
*--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_PRTOCCOGMHDRITM INDEX 1 INTO DATA(WA_PRTOCCOGMHDRITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRTOCCOGMHDRITM>-MANDT = 1.
<PRTOCCOGMHDRITM>-COSTELEMENT = 1.
<PRTOCCOGMHDRITM>-CTRLGORIGINCLASSIFICATION = 1.
<PRTOCCOGMHDRITM>-CONTROLLINGDEBITCREDITCODE = 1.
<PRTOCCOGMHDRITM>-COSTORIGINGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRTOCCOGMHDRITM-PARTNERCOSTCENTER, sy-vline,
  WA_PRTOCCOGMHDRITM-PARTNERCOSTCTRACTIVITYTYPE, sy-vline,
  WA_PRTOCCOGMHDRITM-PARTNERBUSINESSPROCESS, sy-vline,
  WA_PRTOCCOGMHDRITM-PARTNERORDER, sy-vline,
  WA_PRTOCCOGMHDRITM-UNITOFMEASURE, sy-vline,
  WA_PRTOCCOGMHDRITM-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRTOCCOGMHDRITM 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_PRTOCCOGMHDRITM 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_PRTOCCOGMHDRITM INTO WA_PRTOCCOGMHDRITM.


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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PRTOCCOGMHDRITM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRTOCCOGMHDRITM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRTOCCOGMHDRITM-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRTOCCOGMHDRITM-SALESORDER.
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_PRTOCCOGMHDRITM_STR, 
MANDT TYPE STRING,
COSTELEMENT TYPE STRING,
CTRLGORIGINCLASSIFICATION TYPE STRING,
CONTROLLINGDEBITCREDITCODE TYPE STRING,
COSTORIGINGROUP TYPE STRING,
PARTNERCOSTCENTER TYPE STRING,
PARTNERCOSTCTRACTIVITYTYPE TYPE STRING,
PARTNERBUSINESSPROCESS TYPE STRING,
PARTNERORDER TYPE STRING,
UNITOFMEASURE TYPE STRING,
MATERIAL TYPE STRING,
ISLOTSIZEINDEPENDENT TYPE STRING,
RATIOUNIT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COMPANYCODE TYPE STRING,
PROFITCENTER TYPE STRING,
RESPONSIBLECOSTCENTER TYPE STRING,
ORDERCATEGORY TYPE STRING,
ORDERTYPE TYPE STRING,
PLANT TYPE STRING,
SALESORDER TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
VALIDITYDATE TYPE STRING,
DEBITACTLCOSTINDSPCRCY TYPE STRING,
DEBITSTDCOSTINDSPCRCY TYPE STRING,
DEBITTARGETCOSTINDSPCRCY TYPE STRING,
DEBITACTLTGTDIFFCOSTINDSPCRCY TYPE STRING,
COSTCOMPONENT TYPE STRING,
COSTCOMPONENTGROUP TYPE STRING,
COSTCOMPONENTGROUPNAME TYPE STRING,
COSTCOMPONENTSTRUCTURE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRTOCCOGMHDRITM_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_PRTOCCOGMHDRITM_STR-MANDT sy-vline 
WA_PRTOCCOGMHDRITM_STR-COSTELEMENT sy-vline 
WA_PRTOCCOGMHDRITM_STR-CTRLGORIGINCLASSIFICATION sy-vline 
WA_PRTOCCOGMHDRITM_STR-CONTROLLINGDEBITCREDITCODE sy-vline 
WA_PRTOCCOGMHDRITM_STR-COSTORIGINGROUP sy-vline 
WA_PRTOCCOGMHDRITM_STR-PARTNERCOSTCENTER sy-vline 
WA_PRTOCCOGMHDRITM_STR-PARTNERCOSTCTRACTIVITYTYPE sy-vline 
WA_PRTOCCOGMHDRITM_STR-PARTNERBUSINESSPROCESS sy-vline 
WA_PRTOCCOGMHDRITM_STR-PARTNERORDER sy-vline 
WA_PRTOCCOGMHDRITM_STR-UNITOFMEASURE sy-vline 
WA_PRTOCCOGMHDRITM_STR-MATERIAL sy-vline 
WA_PRTOCCOGMHDRITM_STR-ISLOTSIZEINDEPENDENT sy-vline 
WA_PRTOCCOGMHDRITM_STR-RATIOUNIT sy-vline 
WA_PRTOCCOGMHDRITM_STR-DISPLAYCURRENCY sy-vline 
WA_PRTOCCOGMHDRITM_STR-CONTROLLINGAREA sy-vline 
WA_PRTOCCOGMHDRITM_STR-COMPANYCODE sy-vline 
WA_PRTOCCOGMHDRITM_STR-PROFITCENTER sy-vline 
WA_PRTOCCOGMHDRITM_STR-RESPONSIBLECOSTCENTER sy-vline 
WA_PRTOCCOGMHDRITM_STR-ORDERCATEGORY sy-vline 
WA_PRTOCCOGMHDRITM_STR-ORDERTYPE sy-vline 
WA_PRTOCCOGMHDRITM_STR-PLANT sy-vline 
WA_PRTOCCOGMHDRITM_STR-SALESORDER sy-vline 
WA_PRTOCCOGMHDRITM_STR-CHARTOFACCOUNTS sy-vline 
WA_PRTOCCOGMHDRITM_STR-VALIDITYDATE sy-vline 
WA_PRTOCCOGMHDRITM_STR-DEBITACTLCOSTINDSPCRCY sy-vline 
WA_PRTOCCOGMHDRITM_STR-DEBITSTDCOSTINDSPCRCY sy-vline 
WA_PRTOCCOGMHDRITM_STR-DEBITTARGETCOSTINDSPCRCY sy-vline 
WA_PRTOCCOGMHDRITM_STR-DEBITACTLTGTDIFFCOSTINDSPCRCY sy-vline 
WA_PRTOCCOGMHDRITM_STR-COSTCOMPONENT sy-vline 
WA_PRTOCCOGMHDRITM_STR-COSTCOMPONENTGROUP sy-vline 
WA_PRTOCCOGMHDRITM_STR-COSTCOMPONENTGROUPNAME sy-vline 
WA_PRTOCCOGMHDRITM_STR-COSTCOMPONENTSTRUCTURE sy-vline      INTO ld_text SEPARATED BY SPACE.

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