ABAP Select data from SAP table CIFRQCPOLD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CIFRQCPOLD
*  INTO TABLE @DATA(IT_CIFRQCPOLD2).
*--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_CIFRQCPOLD INDEX 1 INTO DATA(WA_CIFRQCPOLD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CIFRQCPOLD>-PLANKEY_EX = 1.
<CIFRQCPOLD>-VORNR_EX = 1.
<CIFRQCPOLD>-AKTNR_EX = 1.
<CIFRQCPOLD>-MODUS = 1.
<CIFRQCPOLD>-KAPID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CIFRQCPOLD-RESNAME, sy-vline,
  WA_CIFRQCPOLD-LOCNO, sy-vline,
  WA_CIFRQCPOLD-LOCTYPE, sy-vline,
  WA_CIFRQCPOLD-METHOD, sy-vline,
  WA_CIFRQCPOLD-CAP1, sy-vline,
  WA_CIFRQCPOLD-CAP2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CIFRQCPOLD 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_CIFRQCPOLD 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_CIFRQCPOLD INTO WA_CIFRQCPOLD.


*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 CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CIFRQCPOLD-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIFRQCPOLD-UNIT.
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_CIFRQCPOLD_STR, 
PLANKEY_EX TYPE STRING,
VORNR_EX TYPE STRING,
AKTNR_EX TYPE STRING,
MODUS TYPE STRING,
KAPID TYPE STRING,
RESNAME TYPE STRING,
LOCNO TYPE STRING,
LOCTYPE TYPE STRING,
METHOD TYPE STRING,
CAP1 TYPE STRING,
CAP2 TYPE STRING,
UNIT TYPE STRING,
CALE TYPE STRING,
TIPP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CIFRQCPOLD_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_CIFRQCPOLD_STR-PLANKEY_EX sy-vline 
WA_CIFRQCPOLD_STR-VORNR_EX sy-vline 
WA_CIFRQCPOLD_STR-AKTNR_EX sy-vline 
WA_CIFRQCPOLD_STR-MODUS sy-vline 
WA_CIFRQCPOLD_STR-KAPID sy-vline 
WA_CIFRQCPOLD_STR-RESNAME sy-vline 
WA_CIFRQCPOLD_STR-LOCNO sy-vline 
WA_CIFRQCPOLD_STR-LOCTYPE sy-vline 
WA_CIFRQCPOLD_STR-METHOD sy-vline 
WA_CIFRQCPOLD_STR-CAP1 sy-vline 
WA_CIFRQCPOLD_STR-CAP2 sy-vline 
WA_CIFRQCPOLD_STR-UNIT sy-vline 
WA_CIFRQCPOLD_STR-CALE sy-vline 
WA_CIFRQCPOLD_STR-TIPP sy-vline      INTO ld_text SEPARATED BY SPACE.

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