ABAP Select data from SAP table PTM_DETAIL_INDEX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTM_DETAIL_INDEX
*  INTO TABLE @DATA(IT_PTM_DETAIL_INDEX2).
*--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_PTM_DETAIL_INDEX INDEX 1 INTO DATA(WA_PTM_DETAIL_INDEX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTM_DETAIL_INDEX>-PERNR = 1.
<PTM_DETAIL_INDEX>-ENAME = 1.
<PTM_DETAIL_INDEX>-TDTYPE = 1.
<PTM_DETAIL_INDEX>-TDTYPETXT = 1.
<PTM_DETAIL_INDEX>-STDAZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTM_DETAIL_INDEX-BEGDA, sy-vline,
  WA_PTM_DETAIL_INDEX-ENDDA, sy-vline,
  WA_PTM_DETAIL_INDEX-SPRPS, sy-vline,
  WA_PTM_DETAIL_INDEX-BEGUZ, sy-vline,
  WA_PTM_DETAIL_INDEX-ENDUZ, sy-vline,
  WA_PTM_DETAIL_INDEX-NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTM_DETAIL_INDEX 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_PTM_DETAIL_INDEX 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_PTM_DETAIL_INDEX INTO WA_PTM_DETAIL_INDEX.


*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 TDTYP, internal->external for field TDTYPE
CALL FUNCTION 'CONVERSION_EXIT_TDTYP_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_INDEX-TDTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_INDEX-TDTYPE.
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_PTM_DETAIL_INDEX_STR, 
PERNR TYPE STRING,
ENAME TYPE STRING,
TDTYPE TYPE STRING,
TDTYPETXT TYPE STRING,
STDAZ TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
SPRPS TYPE STRING,
BEGUZ TYPE STRING,
ENDUZ TYPE STRING,
NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTM_DETAIL_INDEX_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_PTM_DETAIL_INDEX_STR-PERNR sy-vline 
WA_PTM_DETAIL_INDEX_STR-ENAME sy-vline 
WA_PTM_DETAIL_INDEX_STR-TDTYPE sy-vline 
WA_PTM_DETAIL_INDEX_STR-TDTYPETXT sy-vline 
WA_PTM_DETAIL_INDEX_STR-STDAZ sy-vline 
WA_PTM_DETAIL_INDEX_STR-BEGDA sy-vline 
WA_PTM_DETAIL_INDEX_STR-ENDDA sy-vline 
WA_PTM_DETAIL_INDEX_STR-SPRPS sy-vline 
WA_PTM_DETAIL_INDEX_STR-BEGUZ sy-vline 
WA_PTM_DETAIL_INDEX_STR-ENDUZ sy-vline 
WA_PTM_DETAIL_INDEX_STR-NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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