ABAP Select data from SAP table COCF_MD_S_PLNACT_PCC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COCF_MD_S_PLNACT_PCC
*  INTO TABLE @DATA(IT_COCF_MD_S_PLNACT_PCC2).
*--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_COCF_MD_S_PLNACT_PCC INDEX 1 INTO DATA(WA_COCF_MD_S_PLNACT_PCC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COCF_MD_S_PLNACT_PCC>-AUFNR = 1.
<COCF_MD_S_PLNACT_PCC>-WERKS = 1.
<COCF_MD_S_PLNACT_PCC>-PLANT_DESC = 1.
<COCF_MD_S_PLNACT_PCC>-HEADER_MAT_ID = 1.
<COCF_MD_S_PLNACT_PCC>-HEADER_MAT_DESC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COCF_MD_S_PLNACT_PCC-MAT_GRUP_HED_MAT, sy-vline,
  WA_COCF_MD_S_PLNACT_PCC-TARGET_QTY_PCC, sy-vline,
  WA_COCF_MD_S_PLNACT_PCC-ACT_CONF_QTY_PCC, sy-vline,
  WA_COCF_MD_S_PLNACT_PCC-TGT_FSH_DT_PCC, sy-vline,
  WA_COCF_MD_S_PLNACT_PCC-ACT_LST_CONF_PCC, sy-vline,
  WA_COCF_MD_S_PLNACT_PCC-GMEIN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COCF_MD_S_PLNACT_PCC 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_COCF_MD_S_PLNACT_PCC 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_COCF_MD_S_PLNACT_PCC INTO WA_COCF_MD_S_PLNACT_PCC.


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

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

*Conversion exit CUNIT, internal->external for field GMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_COCF_MD_S_PLNACT_PCC-GMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COCF_MD_S_PLNACT_PCC-GMEIN.
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_COCF_MD_S_PLNACT_PCC_STR, 
AUFNR TYPE STRING,
WERKS TYPE STRING,
PLANT_DESC TYPE STRING,
HEADER_MAT_ID TYPE STRING,
HEADER_MAT_DESC TYPE STRING,
MAT_GRUP_HED_MAT TYPE STRING,
TARGET_QTY_PCC TYPE STRING,
ACT_CONF_QTY_PCC TYPE STRING,
TGT_FSH_DT_PCC TYPE STRING,
ACT_LST_CONF_PCC TYPE STRING,
GMEIN TYPE STRING,
MD_VAR TYPE STRING,
APPLID TYPE STRING,
REFRESH_IND TYPE STRING,
TIME_BUCKET TYPE STRING,
TGT_FNSH_VALUE TYPE STRING,
ACT_CONF_VALUE TYPE STRING,
WAERS TYPE STRING,
VALUE_CURR_VBL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COCF_MD_S_PLNACT_PCC_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_COCF_MD_S_PLNACT_PCC_STR-AUFNR sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-WERKS sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-PLANT_DESC sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-HEADER_MAT_ID sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-HEADER_MAT_DESC sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-MAT_GRUP_HED_MAT sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-TARGET_QTY_PCC sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-ACT_CONF_QTY_PCC sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-TGT_FSH_DT_PCC sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-ACT_LST_CONF_PCC sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-GMEIN sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-MD_VAR sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-APPLID sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-REFRESH_IND sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-TIME_BUCKET sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-TGT_FNSH_VALUE sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-ACT_CONF_VALUE sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-WAERS sy-vline 
WA_COCF_MD_S_PLNACT_PCC_STR-VALUE_CURR_VBL sy-vline      INTO ld_text SEPARATED BY SPACE.

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