ABAP Select data from SAP table /STTPEC/S_PROC_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /STTPEC/S_PROC_EXT
*  INTO TABLE @DATA(IT_/STTPEC/S_PROC_EXT2).
*--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_/STTPEC/S_PROC_EXT INDEX 1 INTO DATA(WA_/STTPEC/S_PROC_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</STTPEC/S_PROC_EXT>-EVTATTRIBUTES = 1.
</STTPEC/S_PROC_EXT>-TRG_COUNTRY = 1.
</STTPEC/S_PROC_EXT>-OBJATTRIBUTES = 1.
</STTPEC/S_PROC_EXT>-GTIN = 1.
</STTPEC/S_PROC_EXT>-SERNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/STTPEC/S_PROC_EXT-LOT_OBJID, sy-vline,
  WA_/STTPEC/S_PROC_EXT-WEIGHT, sy-vline,
  WA_/STTPEC/S_PROC_EXT-WEIGHT_UOM, sy-vline,
  WA_/STTPEC/S_PROC_EXT-VOLUME, sy-vline,
  WA_/STTPEC/S_PROC_EXT-VOLUME_UOM, sy-vline,
  WA_/STTPEC/S_PROC_EXT-QUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/STTPEC/S_PROC_EXT 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_/STTPEC/S_PROC_EXT 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_/STTPEC/S_PROC_EXT INTO WA_/STTPEC/S_PROC_EXT.


*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 WEIGHT_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_PROC_EXT-WEIGHT_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_PROC_EXT-WEIGHT_UOM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_PROC_EXT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_PROC_EXT-MATNR.
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_/STTPEC/S_PROC_EXT_STR, 
EVTATTRIBUTES TYPE STRING,
TRG_COUNTRY TYPE STRING,
OBJATTRIBUTES TYPE STRING,
GTIN TYPE STRING,
SERNO TYPE STRING,
LOT_OBJID TYPE STRING,
WEIGHT TYPE STRING,
WEIGHT_UOM TYPE STRING,
VOLUME TYPE STRING,
VOLUME_UOM TYPE STRING,
QUANTITY TYPE STRING,
QUANTITY_UOM TYPE STRING,
GLN TYPE STRING,
GLN_EXT TYPE STRING,
LOTNO TYPE STRING,
DATEX TYPE STRING,
DATMF TYPE STRING,
MATNR TYPE STRING,
QTY_PROD TYPE STRING,
QTY_REC TYPE STRING,
QTY_SHP TYPE STRING,
TRNATTRIBUTES TYPE STRING,
SHIP_FR_LOC TYPE STRING,
SHIP_TO_LOC TYPE STRING,
SOLD_FR_LOC TYPE STRING,
SOLD_TO_LOC TYPE STRING,
OBJATTGROUPLIST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/STTPEC/S_PROC_EXT_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_/STTPEC/S_PROC_EXT_STR-EVTATTRIBUTES sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-TRG_COUNTRY sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-OBJATTRIBUTES sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-GTIN sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-SERNO sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-LOT_OBJID sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-WEIGHT sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-WEIGHT_UOM sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-VOLUME sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-VOLUME_UOM sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-QUANTITY sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-QUANTITY_UOM sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-GLN sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-GLN_EXT sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-LOTNO sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-DATEX sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-DATMF sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-MATNR sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-QTY_PROD sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-QTY_REC sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-QTY_SHP sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-TRNATTRIBUTES sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-SHIP_FR_LOC sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-SHIP_TO_LOC sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-SOLD_FR_LOC sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-SOLD_TO_LOC sy-vline 
WA_/STTPEC/S_PROC_EXT_STR-OBJATTGROUPLIST sy-vline      INTO ld_text SEPARATED BY SPACE.

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