ABAP Select data from SAP table FVD_GDPDU_XSTR_COND_HEAD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FVD_GDPDU_XSTR_COND_HEAD
*  INTO TABLE @DATA(IT_FVD_GDPDU_XSTR_COND_HEAD2).
*--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_FVD_GDPDU_XSTR_COND_HEAD INDEX 1 INTO DATA(WA_FVD_GDPDU_XSTR_COND_HEAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FVD_GDPDU_XSTR_COND_HEAD>-MANDT = 1.
<FVD_GDPDU_XSTR_COND_HEAD>-BUKRS = 1.
<FVD_GDPDU_XSTR_COND_HEAD>-SANLF = 1.
<FVD_GDPDU_XSTR_COND_HEAD>-RKEY1 = 1.
<FVD_GDPDU_XSTR_COND_HEAD>-DGUEL_KK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FVD_GDPDU_XSTR_COND_HEAD-NLFD_ANG, sy-vline,
  WA_FVD_GDPDU_XSTR_COND_HEAD-SSTATI, sy-vline,
  WA_FVD_GDPDU_XSTR_COND_HEAD-STILGRHY, sy-vline,
  WA_FVD_GDPDU_XSTR_COND_HEAD-STILGART, sy-vline,
  WA_FVD_GDPDU_XSTR_COND_HEAD-SWHRZUSA, sy-vline,
  WA_FVD_GDPDU_XSTR_COND_HEAD-DBLFZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FVD_GDPDU_XSTR_COND_HEAD 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_FVD_GDPDU_XSTR_COND_HEAD 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_FVD_GDPDU_XSTR_COND_HEAD INTO WA_FVD_GDPDU_XSTR_COND_HEAD.


*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 RKEY1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FVD_GDPDU_XSTR_COND_HEAD-RKEY1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FVD_GDPDU_XSTR_COND_HEAD-RKEY1.
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_FVD_GDPDU_XSTR_COND_HEAD_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
SANLF TYPE STRING,
RKEY1 TYPE STRING,
DGUEL_KK TYPE STRING,
NLFD_ANG TYPE STRING,
SSTATI TYPE STRING,
STILGRHY TYPE STRING,
STILGART TYPE STRING,
SWHRZUSA TYPE STRING,
DBLFZ TYPE STRING,
DELFZ TYPE STRING,
PMANEFFZ TYPE STRING,
SEFFM2 TYPE STRING,
ORIGINAL_TERM TYPE STRING,
OVERALL_RUNTIME TYPE STRING,
EFF_INT_L_PYMNP TYPE STRING,
DEFF_INT_L_PYMNP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FVD_GDPDU_XSTR_COND_HEAD_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_FVD_GDPDU_XSTR_COND_HEAD_STR-MANDT sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-BUKRS sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-SANLF sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-RKEY1 sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-DGUEL_KK sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-NLFD_ANG sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-SSTATI sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-STILGRHY sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-STILGART sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-SWHRZUSA sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-DBLFZ sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-DELFZ sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-PMANEFFZ sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-SEFFM2 sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-ORIGINAL_TERM sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-OVERALL_RUNTIME sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-EFF_INT_L_PYMNP sy-vline 
WA_FVD_GDPDU_XSTR_COND_HEAD_STR-DEFF_INT_L_PYMNP sy-vline      INTO ld_text SEPARATED BY SPACE.

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