ABAP Select data from SAP table PIQ_ISR_STAMES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQ_ISR_STAMES
*  INTO TABLE @DATA(IT_PIQ_ISR_STAMES2).
*--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_PIQ_ISR_STAMES INDEX 1 INTO DATA(WA_PIQ_ISR_STAMES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQ_ISR_STAMES>-SCENARIO = 1.
<PIQ_ISR_STAMES>-SCENTX = 1.
<PIQ_ISR_STAMES>-MELDNR = 1.
<PIQ_ISR_STAMES>-PARTNER = 1.
<PIQ_ISR_STAMES>-STATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQ_ISR_STAMES-STATUSTX, sy-vline,
  WA_PIQ_ISR_STAMES-DATUM, sy-vline,
  WA_PIQ_ISR_STAMES-QMTXT, sy-vline,
  WA_PIQ_ISR_STAMES-STATUSG, sy-vline,
  WA_PIQ_ISR_STAMES-STATGTX, sy-vline,
  WA_PIQ_ISR_STAMES-ERFASSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQ_ISR_STAMES 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_PIQ_ISR_STAMES 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_PIQ_ISR_STAMES INTO WA_PIQ_ISR_STAMES.


*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 MELDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PIQ_ISR_STAMES-MELDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQ_ISR_STAMES-MELDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PIQ_ISR_STAMES-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQ_ISR_STAMES-PARTNER.
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_PIQ_ISR_STAMES_STR, 
SCENARIO TYPE STRING,
SCENTX TYPE STRING,
MELDNR TYPE STRING,
PARTNER TYPE STRING,
STATUS TYPE STRING,
STATUSTX TYPE STRING,
DATUM TYPE STRING,
QMTXT TYPE STRING,
STATUSG TYPE STRING,
STATGTX TYPE STRING,
ERFASSER TYPE STRING,
BEARB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQ_ISR_STAMES_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_PIQ_ISR_STAMES_STR-SCENARIO sy-vline 
WA_PIQ_ISR_STAMES_STR-SCENTX sy-vline 
WA_PIQ_ISR_STAMES_STR-MELDNR sy-vline 
WA_PIQ_ISR_STAMES_STR-PARTNER sy-vline 
WA_PIQ_ISR_STAMES_STR-STATUS sy-vline 
WA_PIQ_ISR_STAMES_STR-STATUSTX sy-vline 
WA_PIQ_ISR_STAMES_STR-DATUM sy-vline 
WA_PIQ_ISR_STAMES_STR-QMTXT sy-vline 
WA_PIQ_ISR_STAMES_STR-STATUSG sy-vline 
WA_PIQ_ISR_STAMES_STR-STATGTX sy-vline 
WA_PIQ_ISR_STAMES_STR-ERFASSER sy-vline 
WA_PIQ_ISR_STAMES_STR-BEARB sy-vline      INTO ld_text SEPARATED BY SPACE.

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