ABAP Select data from SAP table PPE_GI_FCAT_ACT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPE_GI_FCAT_ACT
*  INTO TABLE @DATA(IT_PPE_GI_FCAT_ACT2).
*--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_PPE_GI_FCAT_ACT INDEX 1 INTO DATA(WA_PPE_GI_FCAT_ACT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPE_GI_FCAT_ACT>-ACTTYPE = 1.
<PPE_GI_FCAT_ACT>-ACTTYPE_DESC = 1.
<PPE_GI_FCAT_ACT>-UNITD_ACT = 1.
<PPE_GI_FCAT_ACT>-DURATION = 1.
<PPE_GI_FCAT_ACT>-DURATION_FIX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPE_GI_FCAT_ACT-MAX_SHORT_BREAK, sy-vline,
  WA_PPE_GI_FCAT_ACT-MAX_BREAK_USE, sy-vline,
  WA_PPE_GI_FCAT_ACT-MAX_BREAK_TUNIT, sy-vline,
  WA_PPE_GI_FCAT_ACT-MODE_PRIO, sy-vline,
  WA_PPE_GI_FCAT_ACT-ACT_RPTYPE, sy-vline,
  WA_PPE_GI_FCAT_ACT-MOD_RPNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPE_GI_FCAT_ACT 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_PPE_GI_FCAT_ACT 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_PPE_GI_FCAT_ACT INTO WA_PPE_GI_FCAT_ACT.


*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 UNITD_ACT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPE_GI_FCAT_ACT-UNITD_ACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPE_GI_FCAT_ACT-UNITD_ACT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field UNITC
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPE_GI_FCAT_ACT-UNITC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPE_GI_FCAT_ACT-UNITC.
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_PPE_GI_FCAT_ACT_STR, 
ACTTYPE TYPE STRING,
ACTTYPE_DESC TYPE STRING,
UNITD_ACT TYPE STRING,
DURATION TYPE STRING,
DURATION_FIX TYPE STRING,
MAX_SHORT_BREAK TYPE STRING,
MAX_BREAK_USE TYPE STRING,
MAX_BREAK_TUNIT TYPE STRING,
MODE_PRIO TYPE STRING,
ACT_RPTYPE TYPE STRING,
MOD_RPNAME TYPE STRING,
ACT_SCRAP TYPE STRING,
ACT_SETUPGRP TYPE STRING,
STD_ACT TYPE STRING,
VWEA TYPE STRING,
XDUMMY_PAMODDPAD TYPE STRING,
UNITC TYPE STRING,
CAPREQ TYPE STRING,
TACODE TYPE STRING,
TADUR_B TYPE STRING,
TADUR_N TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPE_GI_FCAT_ACT_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_PPE_GI_FCAT_ACT_STR-ACTTYPE sy-vline 
WA_PPE_GI_FCAT_ACT_STR-ACTTYPE_DESC sy-vline 
WA_PPE_GI_FCAT_ACT_STR-UNITD_ACT sy-vline 
WA_PPE_GI_FCAT_ACT_STR-DURATION sy-vline 
WA_PPE_GI_FCAT_ACT_STR-DURATION_FIX sy-vline 
WA_PPE_GI_FCAT_ACT_STR-MAX_SHORT_BREAK sy-vline 
WA_PPE_GI_FCAT_ACT_STR-MAX_BREAK_USE sy-vline 
WA_PPE_GI_FCAT_ACT_STR-MAX_BREAK_TUNIT sy-vline 
WA_PPE_GI_FCAT_ACT_STR-MODE_PRIO sy-vline 
WA_PPE_GI_FCAT_ACT_STR-ACT_RPTYPE sy-vline 
WA_PPE_GI_FCAT_ACT_STR-MOD_RPNAME sy-vline 
WA_PPE_GI_FCAT_ACT_STR-ACT_SCRAP sy-vline 
WA_PPE_GI_FCAT_ACT_STR-ACT_SETUPGRP sy-vline 
WA_PPE_GI_FCAT_ACT_STR-STD_ACT sy-vline 
WA_PPE_GI_FCAT_ACT_STR-VWEA sy-vline 
WA_PPE_GI_FCAT_ACT_STR-XDUMMY_PAMODDPAD sy-vline 
WA_PPE_GI_FCAT_ACT_STR-UNITC sy-vline 
WA_PPE_GI_FCAT_ACT_STR-CAPREQ sy-vline 
WA_PPE_GI_FCAT_ACT_STR-TACODE sy-vline 
WA_PPE_GI_FCAT_ACT_STR-TADUR_B sy-vline 
WA_PPE_GI_FCAT_ACT_STR-TADUR_N sy-vline      INTO ld_text SEPARATED BY SPACE.

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