ABAP Select data from SAP table /SAPAPO/FOT_ALV_GUID_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/FOT_ALV_GUID_STR 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 /SAPAPO/FOT_ALV_GUID_STR. 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 /SAPAPO/FOT_ALV_GUID_STR 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_/SAPAPO/FOT_ALV_GUID_STR TYPE STANDARD TABLE OF /SAPAPO/FOT_ALV_GUID_STR,
      WA_/SAPAPO/FOT_ALV_GUID_STR TYPE /SAPAPO/FOT_ALV_GUID_STR,
      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: </SAPAPO/FOT_ALV_GUID_STR> TYPE /SAPAPO/FOT_ALV_GUID_STR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/FOT_ALV_GUID_STR
  INTO TABLE IT_/SAPAPO/FOT_ALV_GUID_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/FOT_ALV_GUID_STR
*  INTO TABLE @DATA(IT_/SAPAPO/FOT_ALV_GUID_STR2).
*--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_/SAPAPO/FOT_ALV_GUID_STR INDEX 1 INTO DATA(WA_/SAPAPO/FOT_ALV_GUID_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/FOT_ALV_GUID_STR ASSIGNING </SAPAPO/FOT_ALV_GUID_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/FOT_ALV_GUID_STR>-TEXT = 1.
</SAPAPO/FOT_ALV_GUID_STR>-SIMID = 1.
</SAPAPO/FOT_ALV_GUID_STR>-LOCNO = 1.
</SAPAPO/FOT_ALV_GUID_STR>-LOCID = 1.
</SAPAPO/FOT_ALV_GUID_STR>-MATNR = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/FOT_ALV_GUID_STR INTO WA_/SAPAPO/FOT_ALV_GUID_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/FOT_ALV_GUID_STR-MATID, sy-vline,
  WA_/SAPAPO/FOT_ALV_GUID_STR-PEGID, sy-vline,
  WA_/SAPAPO/FOT_ALV_GUID_STR-ACCID, sy-vline,
  WA_/SAPAPO/FOT_ALV_GUID_STR-VEREXT, sy-vline,
  WA_/SAPAPO/FOT_ALV_GUID_STR-TRPID, sy-vline,
  WA_/SAPAPO/FOT_ALV_GUID_STR-RESNA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/FOT_ALV_GUID_STR 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_/SAPAPO/FOT_ALV_GUID_STR 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_/SAPAPO/FOT_ALV_GUID_STR INTO WA_/SAPAPO/FOT_ALV_GUID_STR.


*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 VRSIO, internal->external for field SIMID
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/FOT_ALV_GUID_STR-SIMID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/FOT_ALV_GUID_STR-SIMID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field DURUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/FOT_ALV_GUID_STR-DURUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/FOT_ALV_GUID_STR-DURUNIT.
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_/SAPAPO/FOT_ALV_GUID_STR_STR, 
TEXT TYPE STRING,
SIMID TYPE STRING,
LOCNO TYPE STRING,
LOCID TYPE STRING,
MATNR TYPE STRING,
MATID TYPE STRING,
PEGID TYPE STRING,
ACCID TYPE STRING,
VEREXT TYPE STRING,
TRPID TYPE STRING,
RESNA TYPE STRING,
HDR_PPEGUID TYPE STRING,
HDR_OBJTYPE TYPE STRING,
HDR_SCRAP TYPE STRING,
CMP_PNAME TYPE STRING,
CMP_PVNAME TYPE STRING,
CMP_PNGUID TYPE STRING,
ACT_PNAME TYPE STRING,
ACT_PNGUID TYPE STRING,
FLO_PNAME TYPE STRING,
FLO_PNGUID TYPE STRING,
CONFID TYPE STRING,
FININD TYPE STRING,
GMSYNC TYPE STRING,
GMASYN TYPE STRING,
GM_DET TYPE STRING,
ACT_DET TYPE STRING,
ORDERID TYPE STRING,
ORDNO TYPE STRING,
EXTID TYPE STRING,
RPTID TYPE STRING,
RPNAME TYPE STRING,
RPYIELD TYPE STRING,
RPSCRAP TYPE STRING,
RPUNIT TYPE STRING,
RPACTIVE TYPE STRING,
RPLEVEL TYPE STRING,
BASEUNIT TYPE STRING,
RP_ALT_INACTIVE TYPE STRING,
RPCQUAN TYPE STRING,
RESOURCE_GUID TYPE STRING,
MODE_GUID TYPE STRING,
DURATION_VAR TYPE STRING,
DURATION_FIX TYPE STRING,
DURUNIT TYPE STRING,
DELTA_DUR_VAR TYPE STRING,
DELTA_DUR_FIX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/FOT_ALV_GUID_STR_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_/SAPAPO/FOT_ALV_GUID_STR_STR-TEXT sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-SIMID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-LOCNO sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-LOCID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-MATNR sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-MATID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-PEGID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-ACCID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-VEREXT sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-TRPID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RESNA sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-HDR_PPEGUID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-HDR_OBJTYPE sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-HDR_SCRAP sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-CMP_PNAME sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-CMP_PVNAME sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-CMP_PNGUID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-ACT_PNAME sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-ACT_PNGUID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-FLO_PNAME sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-FLO_PNGUID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-CONFID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-FININD sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-GMSYNC sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-GMASYN sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-GM_DET sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-ACT_DET sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-ORDERID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-ORDNO sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-EXTID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RPTID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RPNAME sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RPYIELD sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RPSCRAP sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RPUNIT sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RPACTIVE sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RPLEVEL sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-BASEUNIT sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RP_ALT_INACTIVE sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RPCQUAN sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-RESOURCE_GUID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-MODE_GUID sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-DURATION_VAR sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-DURATION_FIX sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-DURUNIT sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-DELTA_DUR_VAR sy-vline 
WA_/SAPAPO/FOT_ALV_GUID_STR_STR-DELTA_DUR_FIX sy-vline      INTO ld_text SEPARATED BY SPACE.

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