ABAP Select data from SAP table CACSCD_DOCCD_PD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CACSCD_DOCCD_PD
*  INTO TABLE @DATA(IT_CACSCD_DOCCD_PD2).
*--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_CACSCD_DOCCD_PD INDEX 1 INTO DATA(WA_CACSCD_DOCCD_PD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CACSCD_DOCCD_PD>-MANDT = 1.
<CACSCD_DOCCD_PD>-SETTLE_POST_YEAR = 1.
<CACSCD_DOCCD_PD>-SETTLE_DOC_ID = 1.
<CACSCD_DOCCD_PD>-ITEM = 1.
<CACSCD_DOCCD_PD>-CCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CACSCD_DOCCD_PD-PMNT_BLOCK, sy-vline,
  WA_CACSCD_DOCCD_PD-KONTO, sy-vline,
  WA_CACSCD_DOCCD_PD-AKTYP, sy-vline,
  WA_CACSCD_DOCCD_PD-BLTYP, sy-vline,
  WA_CACSCD_DOCCD_PD-BLART, sy-vline,
  WA_CACSCD_DOCCD_PD-HVORG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CACSCD_DOCCD_PD 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_CACSCD_DOCCD_PD 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_CACSCD_DOCCD_PD INTO WA_CACSCD_DOCCD_PD.


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

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

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

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

*Conversion exit ALPHA, internal->external for field EMGPA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACSCD_DOCCD_PD-EMGPA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACSCD_DOCCD_PD-EMGPA.
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_CACSCD_DOCCD_PD_STR, 
MANDT TYPE STRING,
SETTLE_POST_YEAR TYPE STRING,
SETTLE_DOC_ID TYPE STRING,
ITEM TYPE STRING,
CCODE TYPE STRING,
PMNT_BLOCK TYPE STRING,
KONTO TYPE STRING,
AKTYP TYPE STRING,
BLTYP TYPE STRING,
BLART TYPE STRING,
HVORG TYPE STRING,
TVORG TYPE STRING,
GPART TYPE STRING,
PARTNER TYPE STRING,
EMGPA TYPE STRING,
BLINE_DATE TYPE STRING,
TAX_CODE TYPE STRING,
TAX_DIFF TYPE STRING,
PSNGL TYPE STRING,
PAY_REASON_DAYS TYPE STRING,
DUE_CONAMNT TYPE STRING,
PMTFR TYPE STRING,
PMTTO TYPE STRING,
FAEDN TYPE STRING,
COMPRS_UUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CACSCD_DOCCD_PD_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_CACSCD_DOCCD_PD_STR-MANDT sy-vline 
WA_CACSCD_DOCCD_PD_STR-SETTLE_POST_YEAR sy-vline 
WA_CACSCD_DOCCD_PD_STR-SETTLE_DOC_ID sy-vline 
WA_CACSCD_DOCCD_PD_STR-ITEM sy-vline 
WA_CACSCD_DOCCD_PD_STR-CCODE sy-vline 
WA_CACSCD_DOCCD_PD_STR-PMNT_BLOCK sy-vline 
WA_CACSCD_DOCCD_PD_STR-KONTO sy-vline 
WA_CACSCD_DOCCD_PD_STR-AKTYP sy-vline 
WA_CACSCD_DOCCD_PD_STR-BLTYP sy-vline 
WA_CACSCD_DOCCD_PD_STR-BLART sy-vline 
WA_CACSCD_DOCCD_PD_STR-HVORG sy-vline 
WA_CACSCD_DOCCD_PD_STR-TVORG sy-vline 
WA_CACSCD_DOCCD_PD_STR-GPART sy-vline 
WA_CACSCD_DOCCD_PD_STR-PARTNER sy-vline 
WA_CACSCD_DOCCD_PD_STR-EMGPA sy-vline 
WA_CACSCD_DOCCD_PD_STR-BLINE_DATE sy-vline 
WA_CACSCD_DOCCD_PD_STR-TAX_CODE sy-vline 
WA_CACSCD_DOCCD_PD_STR-TAX_DIFF sy-vline 
WA_CACSCD_DOCCD_PD_STR-PSNGL sy-vline 
WA_CACSCD_DOCCD_PD_STR-PAY_REASON_DAYS sy-vline 
WA_CACSCD_DOCCD_PD_STR-DUE_CONAMNT sy-vline 
WA_CACSCD_DOCCD_PD_STR-PMTFR sy-vline 
WA_CACSCD_DOCCD_PD_STR-PMTTO sy-vline 
WA_CACSCD_DOCCD_PD_STR-FAEDN sy-vline 
WA_CACSCD_DOCCD_PD_STR-COMPRS_UUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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