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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CTMFIG
*  INTO TABLE @DATA(IT_/SAPAPO/CTMFIG2).
*--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/CTMFIG INDEX 1 INTO DATA(WA_/SAPAPO/CTMFIG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CTMFIG>-NODEID = 1.
</SAPAPO/CTMFIG>-NODETYPE = 1.
</SAPAPO/CTMFIG>-FIGSTART = 1.
</SAPAPO/CTMFIG>-FIGEND = 1.
</SAPAPO/CTMFIG>-QUANTITY1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CTMFIG-QUANTITY2, sy-vline,
  WA_/SAPAPO/CTMFIG-KEYFIG1, sy-vline,
  WA_/SAPAPO/CTMFIG-KEYFIG2, sy-vline,
  WA_/SAPAPO/CTMFIG-FIG1, sy-vline,
  WA_/SAPAPO/CTMFIG-FIG2, sy-vline,
  WA_/SAPAPO/CTMFIG-FIG3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CTMFIG 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/CTMFIG 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/CTMFIG INTO WA_/SAPAPO/CTMFIG.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/SAPAPO/CTMFIG_STR, 
NODEID TYPE STRING,
NODETYPE TYPE STRING,
FIGSTART TYPE STRING,
FIGEND TYPE STRING,
QUANTITY1 TYPE STRING,
QUANTITY2 TYPE STRING,
KEYFIG1 TYPE STRING,
KEYFIG2 TYPE STRING,
FIG1 TYPE STRING,
FIG2 TYPE STRING,
FIG3 TYPE STRING,
FIG4 TYPE STRING,
SONNODEID TYPE STRING,
SIBLINGNODEID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CTMFIG_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/CTMFIG_STR-NODEID sy-vline 
WA_/SAPAPO/CTMFIG_STR-NODETYPE sy-vline 
WA_/SAPAPO/CTMFIG_STR-FIGSTART sy-vline 
WA_/SAPAPO/CTMFIG_STR-FIGEND sy-vline 
WA_/SAPAPO/CTMFIG_STR-QUANTITY1 sy-vline 
WA_/SAPAPO/CTMFIG_STR-QUANTITY2 sy-vline 
WA_/SAPAPO/CTMFIG_STR-KEYFIG1 sy-vline 
WA_/SAPAPO/CTMFIG_STR-KEYFIG2 sy-vline 
WA_/SAPAPO/CTMFIG_STR-FIG1 sy-vline 
WA_/SAPAPO/CTMFIG_STR-FIG2 sy-vline 
WA_/SAPAPO/CTMFIG_STR-FIG3 sy-vline 
WA_/SAPAPO/CTMFIG_STR-FIG4 sy-vline 
WA_/SAPAPO/CTMFIG_STR-SONNODEID sy-vline 
WA_/SAPAPO/CTMFIG_STR-SIBLINGNODEID sy-vline      INTO ld_text SEPARATED BY SPACE.

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